Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Denver/Boulder, CO
Issued by NWS Denver/Boulder, CO
208
FNUS55 KBOU 182004
FWFBOU
Fire Weather Forecast for Northeast and North Central Colorado
National Weather Service Denver/Boulder CO
204 PM MDT Fri Sep 18 2026
.DISCUSSION...Rest of today through Wednesday...Scattered to
numerous showers and thunderstorms are expected through early to
mid evening, bringing isolated heavy rain and elevated humidity
levels. Winds will remain light outside of brief gusty outflow
from any convection. Numerous showers and thunderstorms are
expected Saturday with widespread coverage over the plains. It
will be cooler and moist Sunday. If there are enough breaks
clouds, scattered showers and thunderstorms will be possible
Sunday afternoon and evening. Drier conditions are expected for
early next week, though enough moisture may be present for
isolated showers and thunderstorms.
...Thunderstorms imply strong gusty erratic winds...
...All surface winds are 20-Foot...10-Minute averaged winds...
...CWR is Chance of Wetting Rain - 0.10 inch or more liquid...
...24 HR Trends are based on averages over the respective zone
groups and may not match the actual forecast values
shown in those groups...
COZ238-191030-
Larimer County Below 6000 Feet/Northwest Weld County-
Including Fort Collins, Hereford, Loveland, Nunn,
and West Pawnee Grasslands
204 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy until 2400, then partly
cloudy(35-45%). Chance of thunderstorms until
2000, then slight chance of thunderstorms until
2100.
Chance of thunder...30 percent.
Min Temperature.....50-54.
24 hr trend......4-7 degrees cooler.
Max Humidity........90-100%.
24 hr trend......4-7% wetter.
20-foot winds.......Northwest winds 4-7 mph.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....West 15-25 mph.
Mixing height.......1000-1500 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....West around 10 mph until 2000, then southwest
until 2100, then light.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy(40-50%) until 1200, then mostly
cloudy(60-65%). Slight chance of rain showers
until 1200, then rain showers likely and chance
of thunderstorms.
Chance of thunder...40 percent.
Max Temperature.....71-75.
24 hr trend......7-10 degrees cooler.
Min Humidity........42-48%.
24 hr trend......7-10% wetter.
20-foot winds.......West winds 4-7 mph until 1200, then east 4-9
mph.
CWR.................0 percent increasing to 40 percent in the
afternoon.
15K FT MSL winds....Southwest 20-30 mph.
Mixing height.......Below 1000 FT AGL until 0900, then 3500-4500 ft
AGL.
Transport winds.....Light winds until 1200, then southwest 10-15
mph until 1600, then northwest.
Smoke dispersal.....Poor.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy(50-60%) until 2100, then partly
cloudy(40-50%) until 2400, then mostly
cloudy(50-60%). Chance of thunderstorms until
2000, then slight chance of thunderstorms until
2200. Chance of rain showers after 0500.
Chance of thunder...30 percent.
Min Temperature.....46-50.
24 hr trend......4-7 degrees cooler.
Max Humidity........96-99%.
24 hr trend......2-4% wetter.
20-foot winds.......North winds 4-7 mph until 2400, then west.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....West 25-35 mph.
Mixing height.......1000-1500 ft AGL until 2100, then Below 1000 FT
AGL until 0300, then 1000 ft AGL until 0400,
then Below 1000 FT AGL.
Transport winds.....North around 10 mph until 2100, then west until
2400, then south until 0200, then northwest
until 0400, then northwest around 10 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy. Chance of rain showers until
1200, then rain showers likely and chance of
thunderstorms.
Chance of thunder...30 percent.
Max Temperature.....67-71.
24 hr trend......4-7 degrees cooler.
Min Humidity........41-49%.
24 hr trend......Little change.
20-foot winds.......North winds 4-9 mph. Gusts up to 20 mph in the
afternoon.
CWR.................20 percent.
15K FT MSL winds....West 25-35 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 4500-5500 ft
AGL.
Transport winds.....North around 10 mph until 1100, then west until
1700, then northwest.
Smoke dispersal.....Poor.
.SUNDAY NIGHT...Partly cloudy. Slight chance of rain showers.
Lows in the mid 40s. North winds 4-7 mph.
.MONDAY...Mostly clear. Highs around 70. Southeast winds 4-9 mph.
.TUESDAY...Partly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows in the upper 40s. Highs in the mid
70s. Southeast winds 4-9 mph.
.WEDNESDAY...Mostly cloudy. Slight chance of thunderstorms. Lows
around 50. Highs in the mid 70s. Southeast winds 4-8 mph.
$$
COZ239-191030-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield
County-
Including Arvada, Boulder, Golden, Lakewood, and Longmont
204 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy(55-60%) until 2400, then partly
cloudy(30-40%). Chance of rain showers until
2000. Slight chance of thunderstorms until
2100.
Chance of thunder...20 percent.
Min Temperature.....52-56.
24 hr trend......4-7 degrees cooler.
Max Humidity........81-91%.
24 hr trend......7-10% wetter.
20-foot winds.......West winds 4-7 mph.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....West 15-25 mph.
Mixing height.......1000-1500 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....Light winds.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy(30-40%) until 1200, then mostly
cloudy. Slight chance of rain showers until
1200Rain showers likely and chance of
thunderstorms after 1200.
Chance of thunder...40 percent.
Max Temperature.....73-77.
24 hr trend......4-7 degrees cooler.
Min Humidity........40-46%.
24 hr trend......4-7% wetter.
20-foot winds.......Southwest winds 4-6 mph until 1200, then north
4-8 mph.
CWR.................0 percent increasing to 30 percent in the
afternoon.
15K FT MSL winds....Southwest 15-25 mph.
Mixing height.......1000 ft AGL until 0700, then Below 1000 FT AGL
until 0900, then 3500-4500 ft AGL.
Transport winds.....Light winds until 1200, then south around 10
mph until 1400, then west until 1700, then
northeast.
Smoke dispersal.....Poor.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy(55-60%) until 2100, then partly
cloudy(40-50%) until 0300, then mostly
cloudy(55-60%). Chance of thunderstorms until
2000, then slight chance of thunderstorms until
2200. Slight chance of rain showers after 0500.
Chance of thunder...30 percent.
Min Temperature.....48-52.
24 hr trend......2-4 degrees cooler.
Max Humidity........85-95%.
24 hr trend......10-15% wetter.
20-foot winds.......Northwest winds 4-6 mph until 2400, then
variable less than 8 mph.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....West 20-30 mph.
Mixing height.......1000-2000 ft AGL until 2400, then Below 1000 FT
AGL.
Transport winds.....Light winds.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy(60-65%) until 0900, then partly
cloudy(40-50%) until 1200, then mostly cloudy.
Slight chance of rain showers until 1200, then
chance of rain showers and slight chance of
thunderstorms until 1500, then chance of
thunderstorms.
Chance of thunder...30 percent.
Max Temperature.....68-72.
24 hr trend......2-4 degrees cooler.
Min Humidity........45-51%.
24 hr trend......4-7% wetter.
20-foot winds.......Northeast winds 4-8 mph.
CWR.................10 percent increasing to 20 percent in the
afternoon.
15K FT MSL winds....West 25-35 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 4000-5000 ft
AGL.
Transport winds.....Light winds until 1300, then northeast around
10 mph.
Smoke dispersal.....Poor.
.SUNDAY NIGHT...Partly cloudy. Chance of rain showers. Lows in
the upper 40s. North winds 4-8 mph.
.MONDAY...Mostly clear. Highs in the lower 70s. East winds
4-6 mph.
.TUESDAY...Partly cloudy. Slight chance of thunderstorms. Lows
around 50. Highs in the mid 70s. East winds 4-6 mph.
.WEDNESDAY...Mostly cloudy. Slight chance of thunderstorms. Lows
in the lower 50s. Highs in the mid 70s. Southeast winds 4-6 mph.
$$
COZ240-191030-
North Douglas County Below 6000 Feet/Denver/West Adams and
Arapahoe Counties/East Broomfield County-
Including Aurora, Brighton, City of Denver,
Denver International Airport, Highlands Ranch, Littleton,
and Parker
204 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy(60-65%) until 2400, then partly
cloudy(30-40%). Chance of rain showers and
slight chance of thunderstorms until 2100.
Chance of thunder...20 percent.
Min Temperature.....53-57.
24 hr trend......7-10 degrees cooler.
Max Humidity........85-95%.
24 hr trend......10-15% wetter.
20-foot winds.......Southwest winds 4-8 mph.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....West 15-25 mph.
Mixing height.......1000-2000 ft AGL until 2400, then Below 1000 FT
AGL until 0100, then 1000 ft AGL until 0200,
then Below 1000 FT AGL.
Transport winds.....Northeast around 10 mph until 1900, then light.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy(30-40%) until 1200, then mostly
cloudy(60-65%). Rain showers likely and chance
of thunderstorms after 1200.
Chance of thunder...40 percent.
Max Temperature.....74-78.
24 hr trend......4-7 degrees cooler.
Min Humidity........37-43%.
24 hr trend......4-7% wetter.
20-foot winds.......Southwest winds 4-7 mph until 1200, then
northeast 4-13 mph.
CWR.................0 percent increasing to 30 percent in the
afternoon.
15K FT MSL winds....Southwest 15-25 mph.
Mixing height.......Below 1000 FT AGL until 0900, then 4000-5000 ft
AGL.
Transport winds.....Light winds until 1300, then southeast around
10 mph until 1500, then north.
Smoke dispersal.....Poor until 1400, then fair.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy(60-65%) until 2100, then partly
cloudy(40-50%) until 0300, then mostly
cloudy(55-60%). Chance of thunderstorms until
2000, then slight chance of thunderstorms until
2200. Slight chance of rain showers after 0500.
Chance of thunder...30 percent.
Min Temperature.....50-54.
24 hr trend......2-4 degrees cooler.
Max Humidity........89-99%.
24 hr trend......4-7% wetter.
20-foot winds.......Northeast winds 4-7 mph until 2400, then
southwest 4-6 mph.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....Southwest 20-30 mph.
Mixing height.......1000-2000 ft AGL until 0100, then Below 1000 FT
AGL until 0300, then 1000 ft AGL until 0400,
then Below 1000 FT AGL.
Transport winds.....Northeast around 10 mph until 1900, then south
until 2000, then north until 2100, then light.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy(50-60%) until 0900, then partly
cloudy(50-60%) until 1200, then mostly cloudy.
Slight chance of rain showers until 1200, then
rain showers likely and chance of
thunderstorms.
Chance of thunder...30 percent.
Max Temperature.....69-73.
24 hr trend......4-7 degrees cooler.
Min Humidity........43-47%.
24 hr trend......2-4% wetter.
20-foot winds.......East winds 4-12 mph. Gusts up to 20 mph in the
afternoon.
CWR.................10 percent increasing to 20 percent in the
afternoon.
15K FT MSL winds....West 25-35 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 4000-5000 ft
AGL.
Transport winds.....Light winds until 0900, then southeast around
10 mph until 1100, then northeast.
Smoke dispersal.....Poor.
.SUNDAY NIGHT...Partly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows in the upper 40s. Southeast winds
4-6 mph.
.MONDAY...Partly cloudy. Slight chance of thunderstorms. Highs in
the lower 70s. East winds 4-8 mph.
.TUESDAY...Partly cloudy. Slight chance of thunderstorms. Lows in
the lower 50s. Highs in the upper 70s. Southeast winds 4-8 mph.
.WEDNESDAY...Mostly cloudy. Slight chance of thunderstorms. Lows
in the mid 50s. Highs in the upper 70s. South winds 4-8 mph.
$$
COZ241-191030-
Elbert/Central and East Douglas Counties Above 6000 Feet-
Including Castle Rock, Elbert, Fondis, Kiowa, and Larkspur
204 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy(60-65%) until 2400, then partly
cloudy(35-45%). Chance of thunderstorms until
2100, then slight chance of rain showers until
2200.
Chance of thunder...30 percent.
Min Temperature.....49-53.
24 hr trend......2-4 degrees cooler.
Max Humidity........89-99%.
24 hr trend......4-7% wetter.
20-foot winds.......Northwest winds 4-9 mph until 2400, then west
4-8 mph.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....Southwest 15-25 mph.
Mixing height.......1000-2000 ft AGL until 2000, then Below 1000 FT
AGL until 2300, then 1000 ft AGL until 0200,
then Below 1000 FT AGL.
Transport winds.....North around 10 mph until 2200, then light.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy until 0900, then mostly sunny
until 1200, then mostly cloudy. Slight chance
of thunderstorms after 1300 until 1400, then
chance of thunderstorms. Rain showers likely
after 1500 until 1700.
Chance of thunder...40 percent.
Max Temperature.....72-76.
24 hr trend......4-7 degrees cooler.
Min Humidity........35-43%.
24 hr trend......Little change.
20-foot winds.......West winds 4-7 mph until 1200, then east 4-9
mph.
CWR.................0 percent increasing to 30 percent in the
afternoon.
15K FT MSL winds....Southwest 15-25 mph.
Mixing height.......Below 1000 FT AGL until 0900, then 4000-5000 ft
AGL.
Transport winds.....Light winds until 1300, then south around 10
mph until 1700, then north.
Smoke dispersal.....Poor until 1300, then fair.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy(60-65%) until 0300, then partly
cloudy(40-50%). Rain showers likely and chance
of thunderstorms until 2400. Slight chance of
rain showers after 2400.
Chance of thunder...40 percent.
Min Temperature.....46-50.
24 hr trend......2-4 degrees cooler.
Max Humidity........90-100%.
24 hr trend......2-4% wetter.
20-foot winds.......North winds 4-7 mph with gusts to around 20 mph
until 2400, then west 4-6 mph.
CWR.................20 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....Southwest 25-35 mph.
Mixing height.......1000-1500 ft AGL until 0100, then Below 1000 FT
AGL until 0300, then 1000 ft AGL until 0400,
then Below 1000 FT AGL.
Transport winds.....Northeast around 10 mph until 2300, then west
until 0200, then southwest until 0300, then
light until 0400, then south around 10 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy(55-60%) until 0900, then partly
cloudy(40-50%) until 1200, then mostly cloudy.
Slight chance of rain showers until 1200, then
rain showers likely and chance of
thunderstorms.
Chance of thunder...30 percent.
Max Temperature.....66-70.
24 hr trend......4-7 degrees cooler.
Min Humidity........45-55%.
24 hr trend......10-15% wetter.
20-foot winds.......South winds 4-7 mph until 1200, then east 4-13
mph with gusts to around 20 mph.
CWR.................0 percent increasing to 20 percent in the
afternoon.
15K FT MSL winds....West 20-30 mph.
Mixing height.......1000 ft AGL until 0700, then Below 1000 FT AGL
until 0800, then 3500-4500 ft AGL.
Transport winds.....South around 10 mph until 1600, then east.
Smoke dispersal.....Poor.
.SUNDAY NIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows in the mid 40s. Southeast winds
4-6 mph.
.MONDAY...Partly cloudy. Slight chance of thunderstorms. Highs in
the upper 60s. Southeast winds 5-12 mph.
.TUESDAY...Partly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows in the upper 40s. Highs in the
lower 70s. South winds 9-16 mph.
.WEDNESDAY...Mostly cloudy. Slight chance of thunderstorms. Lows
in the lower 50s. Highs in the lower 70s. South winds 4-9 mph.
$$
COZ242-191030-
Northeast Weld County-
Including Briggsdale, East Pawnee Grasslands, Grover,
Pawnee Buttes, Raymer, and Stoneham
204 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy. Rain showers likely until 2000.
Chance of thunderstorms until 2100, then slight
chance of thunderstorms until 2300.
Chance of thunder...40 percent.
Min Temperature.....51-57.
24 hr trend......2-4 degrees cooler.
Max Humidity........97-99%.
24 hr trend......4-7% wetter.
20-foot winds.......Northwest winds 4-9 mph.
CWR.................30 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....West 15-20 mph.
Mixing height.......1000-2000 ft AGL until 2100, then Below 1000 FT
AGL.
Transport winds.....Southwest around 10 mph until 2000, then
northwest until 0400, then light.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy(40-50%) until 1500, then mostly
cloudy. Rain showers and chance of
thunderstorms after 1200.
Chance of thunder...50 percent.
Max Temperature.....74-78.
24 hr trend......4-7 degrees cooler.
Min Humidity........41-49%.
24 hr trend......7-10% wetter.
20-foot winds.......West winds 4-7 mph until 1200, then northeast
4-9 mph.
CWR.................0 percent increasing to 40 percent in the
afternoon.
15K FT MSL winds....Southwest 15-25 mph.
Mixing height.......Below 1000 FT AGL until 0900, then 4000-5000 ft
AGL.
Transport winds.....Light winds until 1500, then south around 10
mph until 1600, then northwest.
Smoke dispersal.....Poor.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy. Rain showers likely and chance
of thunderstorms until 2400. Chance of rain
showers after 2400.
Chance of thunder...40 percent.
Min Temperature.....48-52.
24 hr trend......7-10 degrees cooler.
Max Humidity........100%.
24 hr trend......Little change.
20-foot winds.......Northeast winds 4-9 mph with gusts to around 20
mph until 2400, then southwest 4-7 mph.
CWR.................30 percent decreasing to 10 percent after
midnight.
15K FT MSL winds....West 20-30 mph.
Mixing height.......1000-1500 ft AGL until 0100, then Below 1000 FT
AGL until 0300, then 1000 ft AGL until 0400,
then Below 1000 FT AGL.
Transport winds.....Northeast 10-15 mph until 2200, then east until
0100, then west until 0400, then northwest.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy. Chance of rain showers until
1500. Slight chance of thunderstorms after 1200
until 1500, then chance of thunderstorms.
Chance of thunder...30 percent.
Max Temperature.....67-71.
24 hr trend......4-7 degrees cooler.
Min Humidity........42-52%.
24 hr trend......2-4% wetter.
20-foot winds.......North winds 5-13 mph. Gusts up to 20 mph in the
afternoon.
CWR.................20 percent increasing to 30 percent in the
afternoon.
15K FT MSL winds....West 25-35 mph.
Mixing height.......1000 ft AGL until 0700, then Below 1000 FT AGL
until 0800, then 4000-5000 ft AGL.
Transport winds.....North around 10 mph until 1200, then southeast
until 1300, then west until 1700, then north.
Smoke dispersal.....Poor.
.SUNDAY NIGHT...Partly cloudy. Slight chance of rain showers.
Lows in the mid 40s. North winds 4-8 mph.
.MONDAY...Mostly clear. Highs around 70. Southeast winds 4-9 mph.
.TUESDAY...Partly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows in the upper 40s. Highs in the mid
70s. Southeast winds 13-20 mph.
.WEDNESDAY...Mostly cloudy. Slight chance of thunderstorms. Lows
in the lower 50s. Highs in the upper 70s. Southeast winds
5-12 mph.
$$
COZ243-191030-
Central and South Weld County-
Including Eaton, Fort Lupton, Greeley, and Roggen
204 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy until 2400, then partly
cloudy(40-50%). Chance of thunderstorms until
2100, then slight chance of rain showers until
2300.
Chance of thunder...30 percent.
Min Temperature.....51-55.
24 hr trend......2-4 degrees cooler.
Max Humidity........97-99%.
24 hr trend......7-10% wetter.
20-foot winds.......West winds 4-8 mph.
CWR.................20 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....West 15-20 mph.
Mixing height.......1000-1500 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....South around 10 mph until 1900, then north
until 2300, then light.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy(40-50%) until 1200, then mostly
cloudy(60-65%). Slight chance of thunderstorms
after 1200 until 1400, then chance of
thunderstorms. Rain showers after 1500.
Chance of thunder...40 percent.
Max Temperature.....74-78.
24 hr trend......7-10 degrees cooler.
Min Humidity........41-47%.
24 hr trend......4-7% wetter.
20-foot winds.......Southwest winds 4-6 mph until 1200, then
northeast 4-9 mph.
CWR.................0 percent increasing to 40 percent in the
afternoon.
15K FT MSL winds....Southwest 15-25 mph.
Mixing height.......1000 ft AGL until 0700, then Below 1000 FT AGL
until 0900, then 3500-4500 ft AGL.
Transport winds.....Light winds until 1400, then southeast around
10 mph until 1500, then west until 1600, then
northwest.
Smoke dispersal.....Poor.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy. Rain showers likely and chance
of thunderstorms until 2400. Slight chance of
rain showers after 2400.
Chance of thunder...30 percent.
Min Temperature.....48-52.
24 hr trend......2-4 degrees cooler.
Max Humidity........100%.
24 hr trend......Little change.
20-foot winds.......Northeast winds 4-8 mph with gusts to around 20
mph until 2400, then southwest 4-6 mph.
CWR.................20 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....West 20-30 mph.
Mixing height.......1000-1500 ft AGL until 2400, then Below 1000 FT
AGL until 0300, then 1000 ft AGL until 0400,
then Below 1000 FT AGL.
Transport winds.....Northeast around 10 mph until 2100, then east
until 2200, then south until 2300, then light.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy. Chance of rain showers until
1500. Slight chance of thunderstorms after 1200
until 1500, then chance of thunderstorms.
Chance of thunder...30 percent.
Max Temperature.....69-73.
24 hr trend......4-7 degrees cooler.
Min Humidity........43-49%.
24 hr trend......4-7% wetter.
20-foot winds.......Northeast winds 4-9 mph. Gusts up to 20 mph in
the afternoon.
CWR.................10 percent increasing to 20 percent in the
afternoon.
15K FT MSL winds....West 25-35 mph.
Mixing height.......1000 ft AGL until 0700, then Below 1000 FT AGL
until 0800, then 4000-5000 ft AGL.
Transport winds.....Light winds until 0900, then east around 10 mph
until 1100, then light until 1300, then
northeast around 10 mph.
Smoke dispersal.....Poor.
.SUNDAY NIGHT...Partly cloudy. Chance of rain showers. Lows in
the mid 40s. East winds 4-6 mph.
.MONDAY...Partly cloudy. Slight chance of thunderstorms. Highs in
the lower 70s. East winds 4-9 mph.
.TUESDAY...Partly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows in the upper 40s. Highs in the
upper 70s. Southeast winds 5-12 mph.
.WEDNESDAY...Mostly cloudy. Slight chance of rain showers. Lows
in the lower 50s. Highs in the upper 70s. Southeast winds
4-8 mph.
$$
COZ244-191030-
Morgan County-
Including Brush, Fort Morgan, Goodrich, and Wiggins
204 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy. Rain showers likely and chance
of thunderstorms until 2400.
Chance of thunder...40 percent.
Min Temperature.....53-57.
24 hr trend......4-7 degrees cooler.
Max Humidity........100%.
24 hr trend......2-4% wetter.
20-foot winds.......Northwest winds 4-12 mph.
CWR.................40 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....West 15-20 mph.
Mixing height.......1000-1500 ft AGL until 2400, then Below 1000 FT
AGL.
Transport winds.....Northwest around 10 mph until 2000, then north
until 0100, then light.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy(40-50%) until 1500, then mostly
cloudy. Rain showers with thunderstorms likely
after 1200.
Chance of thunder...60 percent.
Max Temperature.....75-79.
24 hr trend......7-10 degrees cooler.
Min Humidity........44-48%.
24 hr trend......10-15% wetter.
20-foot winds.......West winds 4-6 mph until 1200, then east 4-9
mph.
CWR.................0 percent increasing to 50 percent in the
afternoon.
15K FT MSL winds....Southwest 20-30 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 4000-5000 ft
AGL.
Transport winds.....Light winds until 1500, then southeast around
10 mph until 1700, then northwest.
Smoke dispersal.....Poor.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy. Rain showers with thunderstorms
likely until 2400, then chance of rain showers.
Chance of thunder...50 percent.
Min Temperature.....49-53.
24 hr trend......2-4 degrees cooler.
Max Humidity........100%.
24 hr trend......Little change.
20-foot winds.......Northeast winds 4-9 mph with gusts to around 25
mph until 2400, then west 4-7 mph.
CWR.................40 percent decreasing to 10 percent after
midnight.
15K FT MSL winds....West 20-30 mph.
Mixing height.......1000-1500 ft AGL until 0100, then Below 1000 FT
AGL until 0300, then 1000 ft AGL until 0400,
then Below 1000 FT AGL.
Transport winds.....Northeast around 15 mph until 2100, then
southeast until 2400, then southwest until
0100, then west.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy. Chance of rain showers until
1500. Slight chance of thunderstorms after 1200
until 1500, then chance of thunderstorms.
Chance of thunder...30 percent.
Max Temperature.....69-73.
24 hr trend......4-7 degrees cooler.
Min Humidity........48-56%.
24 hr trend......7-10% wetter.
20-foot winds.......Northeast winds 5-13 mph. Gusts up to 20 mph in
the afternoon.
CWR.................10 percent increasing to 40 percent in the
afternoon.
15K FT MSL winds....West 25-35 mph.
Mixing height.......1000 ft AGL until 0700, then Below 1000 FT AGL
until 0800, then 3500-4500 ft AGL.
Transport winds.....Light winds until 0700. East around 10 mph
after 0900.
Smoke dispersal.....Poor.
.SUNDAY NIGHT...Partly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows in the upper 40s. Northeast winds
4-8 mph.
.MONDAY...Partly cloudy. Highs in the lower 70s. East winds
5-12 mph.
.TUESDAY...Partly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows around 50. Highs in the mid 70s.
Southeast winds 13-23 mph.
.WEDNESDAY...Mostly cloudy. Slight chance of thunderstorms. Lows
in the mid 50s. Highs in the upper 70s. South winds 6-13 mph.
$$
COZ245-191030-
Central and East Adams and Arapahoe Counties-
Including Bennett, Byers, Deer Trail, and Leader
204 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy until 2400, then partly
cloudy(35-45%). Chance of thunderstorms until
2100, then chance of rain showers until 2200,
then slight chance of rain showers until 2300.
Chance of thunder...30 percent.
Min Temperature.....53-57.
24 hr trend......4-7 degrees cooler.
Max Humidity........96-99%.
24 hr trend......Little change.
20-foot winds.......West winds 4-9 mph.
CWR.................30 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....West 15-25 mph.
Mixing height.......1000-1500 ft AGL until 0200, then Below 1000 FT
AGL until 0300, then 1000 ft AGL until 0400,
then Below 1000 FT AGL.
Transport winds.....North around 10 mph until 2400, then light.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy(35-45%) until 0900, then mostly
sunny until 1200, then partly cloudy(40-50%)
until 1500, then mostly cloudy. Rain showers
with thunderstorms likely after 1200.
Chance of thunder...50 percent.
Max Temperature.....74-78.
24 hr trend......7-10 degrees cooler.
Min Humidity........41-45%.
24 hr trend......4-7% wetter.
20-foot winds.......West winds 4-6 mph until 1200, then east 5-12
mph.
CWR.................0 percent increasing to 40 percent in the
afternoon.
15K FT MSL winds....Southwest 15-25 mph.
Mixing height.......Below 1000 FT AGL until 0700, then 1000 ft AGL
until 0800, then Below 1000 FT AGL until 0900,
then 3500-4500 ft AGL.
Transport winds.....Light winds until 1400, then southeast around
10 mph until 1700, then north.
Smoke dispersal.....Poor.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy. Rain showers likely and chance
of thunderstorms until 2400. Slight chance of
rain showers after 2400.
Chance of thunder...50 percent.
Min Temperature.....49-53.
24 hr trend......2-4 degrees cooler.
Max Humidity........100%.
24 hr trend......Little change.
20-foot winds.......Northeast winds 4-9 mph with gusts to around 20
mph until 2400, then west 4-7 mph.
CWR.................30 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....Southwest 20-30 mph.
Mixing height.......1000-1500 ft AGL until 0100, then Below 1000 FT
AGL until 0300, then 1000 ft AGL until 0400,
then Below 1000 FT AGL.
Transport winds.....Northeast around 10 mph until 1900, then
northwest until 2000, then northeast until
2300, then south until 0100, then southwest
until 0300, then light until 0400, then
southwest around 10 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy. Chance of rain showers until
1200, then rain showers likely and chance of
thunderstorms.
Chance of thunder...30 percent.
Max Temperature.....68-72.
24 hr trend......4-7 degrees cooler.
Min Humidity........45-51%.
24 hr trend......4-7% wetter.
20-foot winds.......Northeast winds 4-13 mph. Gusts up to 20 mph in
the afternoon.
CWR.................10 percent increasing to 40 percent in the
afternoon.
15K FT MSL winds....West 25-35 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 4000-5000 ft
AGL.
Transport winds.....South around 10 mph until 0700, then southwest
until 0800, then south until 0900, then east.
Smoke dispersal.....Poor.
.SUNDAY NIGHT...Partly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows in the upper 40s. Southeast winds
4-8 mph.
.MONDAY...Partly cloudy. Slight chance of thunderstorms. Highs in
the lower 70s. Southeast winds 6-13 mph.
.TUESDAY...Partly cloudy. Slight chance of thunderstorms. Lows in
the lower 50s. Highs in the mid 70s. South winds 13-23 mph.
.WEDNESDAY...Mostly cloudy. Slight chance of thunderstorms. Lows
in the mid 50s. Highs in the upper 70s. South winds 7-14 mph.
$$
COZ248-191030-
Logan County-
Including Crook, Merino, Sterling, and Peetz
204 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy. Rain showers likely and chance
of thunderstorms until 2400, then slight chance
of thunderstorms.
Chance of thunder...40 percent.
Min Temperature.....55-59.
24 hr trend......4-7 degrees cooler.
Max Humidity........100%.
24 hr trend......Little change.
20-foot winds.......Northwest winds 4-9 mph.
CWR.................40 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....West 15-25 mph.
Mixing height.......1000-2000 ft AGL until 2100, then Below 1000 FT
AGL.
Transport winds.....East around 10 mph until 1900, then north until
2000, then northwest until 0500, then light.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy(40-50%) until 1500, then mostly
cloudy. Slight chance of thunderstorms after
1400 until 1500, then chance of thunderstorms.
Rain showers likely after 1700.
Chance of thunder...50 percent.
Max Temperature.....74-78.
24 hr trend......7-10 degrees cooler.
Min Humidity........51-59%.
24 hr trend......15-20% wetter.
20-foot winds.......West winds 4-6 mph until 1200, then east 4-8
mph.
CWR.................0 percent increasing to 20 percent in the
afternoon.
15K FT MSL winds....Southwest 15-25 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 4000-5000 ft
AGL.
Transport winds.....Light winds until 1600, then southeast 10-15
mph.
Smoke dispersal.....Poor.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy. Rain showers with thunderstorms
likely until 2400, then chance of rain showers.
Chance of thunder...60 percent.
Min Temperature.....51-55.
24 hr trend......2-4 degrees cooler.
Max Humidity........100%.
24 hr trend......Little change.
20-foot winds.......Northeast winds 4-8 mph with gusts to around 20
mph until 2400, then southeast 4-6 mph.
CWR.................60 percent decreasing to 10 percent after
midnight.
15K FT MSL winds....West 15-25 mph.
Mixing height.......1500-2500 ft AGL until 0400, then Below 1000 FT
AGL.
Transport winds.....North around 15 mph until 2000, then east until
0100, then northwest until 0200, then southeast
until 0400, then west.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy. Chance of rain showers until
1200, then rain showers likely and chance of
thunderstorms.
Chance of thunder...40 percent.
Max Temperature.....66-70.
24 hr trend......7-10 degrees cooler.
Min Humidity........57-67%.
24 hr trend......4-7% wetter.
20-foot winds.......Northeast winds 4-9 mph.
CWR.................20 percent increasing to 60 percent in the
afternoon.
15K FT MSL winds....West 20-30 mph.
Mixing height.......1000 ft AGL until 0700, then Below 1000 FT AGL
until 0800, then 3000-4000 ft AGL.
Transport winds.....Northeast around 10 mph until 0700, then light
until 0800, then northeast around 10 mph until
1000, then southeast until 1400, then south
until 1700, then east.
Smoke dispersal.....Poor.
.SUNDAY NIGHT...Partly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows in the upper 40s. North winds
4-6 mph.
.MONDAY...Partly cloudy. Highs in the upper 60s. East winds
4-9 mph.
.TUESDAY...Partly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows around 50. Highs in the lower 70s.
Southeast winds 13-23 mph.
.WEDNESDAY...Mostly cloudy. Slight chance of thunderstorms. Lows
in the mid 50s. Highs in the mid 70s. Southeast winds 8-15 mph.
$$
COZ249-191030-
Washington County-
Including Akron, Cope, Last Chance, and Otis
204 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy. Rain showers likely and chance
of thunderstorms until 2100, then chance of
rain showers until 2300. Slight chance of
thunderstorms after 2100 until 2400.
Chance of thunder...40 percent.
Min Temperature.....55-59.
24 hr trend......4-7 degrees cooler.
Max Humidity........99-100%.
24 hr trend......2-4% wetter.
20-foot winds.......Northwest winds 5-13 mph.
CWR.................40 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....Southwest 15-25 mph.
Mixing height.......1000-2000 ft AGL until 0200, then Below 1000 FT
AGL until 0300, then 1000 ft AGL until 0500,
then Below 1000 FT AGL.
Transport winds.....North around 10 mph until 0200, then northwest
until 0400, then light.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy(50-60%) until 0900, then partly
cloudy(40-50%) until 1500, then mostly cloudy.
Slight chance of thunderstorms after 1300 until
1500, then chance of thunderstorms until 1700,
then rain showers with thunderstorms likely.
Chance of thunder...60 percent.
Max Temperature.....75-79.
24 hr trend......7-10 degrees cooler.
Min Humidity........45-53%.
24 hr trend......10-15% wetter.
20-foot winds.......Northwest winds 4-7 mph until 1200, then east
5-12 mph.
CWR.................0 percent increasing to 30 percent in the
afternoon.
15K FT MSL winds....Southwest 15-25 mph.
Mixing height.......4000-5000 ft AGL.
Transport winds.....Light winds until 1400, then east around 10 mph
until 1700, then southeast.
Smoke dispersal.....Poor.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy. Rain showers with thunderstorms
likely until 2400, then chance of rain showers
and slight chance of thunderstorms.
Chance of thunder...60 percent.
Min Temperature.....51-55.
24 hr trend......2-4 degrees cooler.
Max Humidity........100%.
24 hr trend......Little change.
20-foot winds.......Northeast winds 5-13 mph. Gusts up to 25 mph in
the evening.
CWR.................60 percent decreasing to 10 percent after
midnight.
15K FT MSL winds....West 15-25 mph.
Mixing height.......1000-2000 ft AGL until 0400, then Below 1000 FT
AGL.
Transport winds.....North around 15 mph until 2100, then east until
0200, then southwest until 0400, then south.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy. Chance of rain showers until
1200, then rain showers likely and chance of
thunderstorms.
Chance of thunder...40 percent.
Max Temperature.....67-71.
24 hr trend......4-7 degrees cooler.
Min Humidity........50-60%.
24 hr trend......10-15% wetter.
20-foot winds.......Northeast winds 4-12 mph. Gusts up to 20 mph in
the afternoon.
CWR.................10 percent increasing to 60 percent in the
afternoon.
15K FT MSL winds....West 20-30 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 3000-4000 ft
AGL.
Transport winds.....Light winds until 0700, then northwest around
10 mph until 0800, then north until 0900, then
east.
Smoke dispersal.....Poor.
.SUNDAY NIGHT...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows in the upper 40s. Southeast winds
4-8 mph.
.MONDAY...Partly cloudy. Highs around 70. Southeast winds
7-14 mph.
.TUESDAY...Breezy. Partly cloudy. Chance of rain showers and
slight chance of thunderstorms. Lows in the lower 50s. Highs in
the lower 70s. Southeast winds 16-26 mph.
.WEDNESDAY...Mostly cloudy. Slight chance of thunderstorms. Lows
in the mid 50s. Highs in the upper 70s. South winds 14-24 mph.
$$
COZ250-191030-
Sedgwick County-
Including Julesburg, Ovid, and Sedgwick
204 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy. Rain showers likely and chance
of thunderstorms until 2400, then chance of
rain showers and slight chance of
thunderstorms.
Chance of thunder...40 percent.
Min Temperature.....57-61.
24 hr trend......4-7 degrees cooler.
Max Humidity........100%.
24 hr trend......Little change.
20-foot winds.......Northwest winds 4-8 mph.
CWR.................40 percent decreasing to 10 percent after
midnight.
15K FT MSL winds....West 15-25 mph.
Mixing height.......1000-1500 ft AGL until 0100, then Below 1000 FT
AGL.
Transport winds.....Northeast around 10 mph until 2000, then north
until 2100, then west until 2400, then north
until 0300, then light.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy(60-65%) until 1200, then partly
cloudy(40-50%) until 1500, then mostly cloudy.
Slight chance of rain showers until 0900.
Slight chance of thunderstorms after 0900 until
1200. Chance of thunderstorms after 1500.
Chance of thunder...40 percent.
Max Temperature.....72-76.
24 hr trend......10-15 degrees cooler.
Min Humidity........62-66%.
24 hr trend......20-25% wetter.
20-foot winds.......Northeast winds 4-9 mph.
CWR.................10 percent.
15K FT MSL winds....West 20-30 mph.
Mixing height.......Below 1000 FT AGL until 0700, then 3500-4500 ft
AGL.
Transport winds.....Light winds until 1600, then east around 10
mph.
Smoke dispersal.....Poor.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy. Rain showers with thunderstorms
likely until 2400, then chance of rain showers
and slight chance of thunderstorms.
Chance of thunder...50 percent.
Min Temperature.....Around 55.
24 hr trend......2-4 degrees cooler.
Max Humidity........100%.
24 hr trend......Little change.
20-foot winds.......Northeast winds 4-12 mph.
CWR.................60 percent decreasing to 20 percent after
midnight.
15K FT MSL winds....West 15-25 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....East around 10 mph until 1900, then northwest
until 2100, then east.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Cloudy. Chance of rain showers until 1200, then
rain showers and chance of thunderstorms.
Chance of thunder...40 percent.
Max Temperature.....64-68.
24 hr trend......7-10 degrees cooler.
Min Humidity........72-78%.
24 hr trend......10-15% wetter.
20-foot winds.......East winds 4-8 mph.
CWR.................30 percent increasing to 60 percent in the
afternoon.
15K FT MSL winds....West 20-30 mph.
Mixing height.......2500-3500 ft AGL.
Transport winds.....East around 10 mph until 1500, then southeast.
Smoke dispersal.....Poor.
.SUNDAY NIGHT...Mostly cloudy. Slight chance of thunderstorms.
Lows around 50. Northeast winds 4-7 mph.
.MONDAY...Partly cloudy. Highs in the upper 60s. Northeast winds
4-9 mph.
.TUESDAY...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows around 50. Highs in the upper 60s.
Southeast winds 14-24 mph.
.WEDNESDAY...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows in the mid 50s. Highs in the lower
70s. Southeast winds 13-23 mph.
$$
COZ251-191030-
Phillips County-
Including Amherst, Haxtun, and Holyoke
204 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy. Rain showers likely and chance
of thunderstorms until 2100, then chance of
rain showers until 0200. Slight chance of
thunderstorms after 2100 until 0300.
Chance of thunder...40 percent.
Min Temperature.....Around 59.
24 hr trend......4-7 degrees cooler.
Max Humidity........100%.
24 hr trend......Little change.
20-foot winds.......North winds 4-9 mph.
CWR.................40 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....West 15-25 mph.
Mixing height.......1000-2000 ft AGL until 2100, then Below 1000 FT
AGL until 2200, then 1000 ft AGL until 2400,
then Below 1000 FT AGL until 0100, then 1000 ft
AGL until 0200, then Below 1000 FT AGL until
0300, then 1000 ft AGL until 0500, then Below
1000 FT AGL.
Transport winds.....Northeast around 10 mph until 2000, then
northwest.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy(50-60%) until 1200, then partly
cloudy(35-45%) until 1500, then mostly cloudy.
Slight chance of rain showers until 0900.
Slight chance of thunderstorms after 1500 until
1700, then chance of thunderstorms.
Chance of thunder...40 percent.
Max Temperature.....73-77.
24 hr trend......10-15 degrees cooler.
Min Humidity........58-64%.
24 hr trend......20-25% wetter.
20-foot winds.......Northeast winds 5-13 mph.
CWR.................0 percent increasing to 10 percent in the
afternoon.
15K FT MSL winds....West 15-25 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 3500-4500 ft
AGL.
Transport winds.....Northeast around 10 mph until 0700, then light
until 1500, then east around 10 mph.
Smoke dispersal.....Poor.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy. Rain showers with thunderstorms
likely until 2400, then chance of rain showers
and slight chance of thunderstorms.
Chance of thunder...50 percent.
Min Temperature.....52-56.
24 hr trend......4-7 degrees cooler.
Max Humidity........100%.
24 hr trend......Little change.
20-foot winds.......Northeast winds 4-13 mph.
CWR.................70 percent decreasing to 20 percent after
midnight.
15K FT MSL winds....West 20-30 mph.
Mixing height.......1500-2500 ft AGL until 0200, then Below 1000 FT
AGL until 0300, then 1000 ft AGL.
Transport winds.....East around 10 mph until 1900, then northwest
until 2100, then east until 0100, then
northeast.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Cloudy. Chance of rain showers until 1200, then
rain showers and chance of thunderstorms.
Chance of thunder...40 percent.
Max Temperature.....65-69.
24 hr trend......7-10 degrees cooler.
Min Humidity........66-76%.
24 hr trend......7-10% wetter.
20-foot winds.......East winds 4-9 mph.
CWR.................30 percent increasing to 50 percent in the
afternoon.
15K FT MSL winds....West 25-35 mph.
Mixing height.......2500-3500 ft AGL.
Transport winds.....East around 10 mph until 1400, then southwest
until 1700, then east.
Smoke dispersal.....Poor.
.SUNDAY NIGHT...Mostly cloudy. Slight chance of thunderstorms.
Lows around 50. Northeast winds 4-7 mph.
.MONDAY...Partly cloudy. Highs in the upper 60s. Northeast winds
4-9 mph.
.TUESDAY...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows around 50. Highs in the upper 60s.
Southeast winds 13-23 mph.
.WEDNESDAY...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows in the mid 50s. Highs in the mid
70s. Southeast winds 13-23 mph.
$$
COZ246-191030-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County-
Including Agate, Hugo, Limon, and Matheson
204 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy(60-65%) until 2400, then partly
cloudy(40-50%). Rain showers likely until 2000.
Chance of thunderstorms until 2100, then slight
chance of thunderstorms until 2300.
Chance of thunder...40 percent.
Min Temperature.....52-56.
24 hr trend......2-4 degrees cooler.
Max Humidity........98-100%.
24 hr trend......4-7% wetter.
20-foot winds.......Northwest winds 5-13 mph. Gusts up to 20 mph in
the evening.
CWR.................20 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....Southwest 15-20 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....North around 10 mph until 0300, then light.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy(35-45%) until 1500, then mostly
cloudy. Slight chance of thunderstorms after
1300 until 1500, then chance of thunderstorms
until 1700, then rain showers with
thunderstorms likely.
Chance of thunder...60 percent.
Max Temperature.....74-78.
24 hr trend......7-10 degrees cooler.
Min Humidity........42-46%.
24 hr trend......4-7% wetter.
20-foot winds.......Northwest winds 4-8 mph until 1200, then east
5-12 mph with gusts to around 20 mph.
CWR.................0 percent increasing to 30 percent in the
afternoon.
15K FT MSL winds....Southwest 15-25 mph.
Mixing height.......1000 ft AGL until 0700, then Below 1000 FT AGL
until 0800, then 5000-6000 ft AGL.
Transport winds.....Light winds until 1300, then north around 10
mph until 1400, then southeast.
Smoke dispersal.....Poor until 1500, then fair.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy. Rain showers and chance of
thunderstorms until 2400, then slight chance of
thunderstorms.
Chance of thunder...50 percent.
Min Temperature.....48-52.
24 hr trend......2-4 degrees cooler.
Max Humidity........100%.
24 hr trend......Little change.
20-foot winds.......North winds 4-12 mph. Gusts up to 20 mph in the
evening.
CWR.................50 percent decreasing to 10 percent after
midnight.
15K FT MSL winds....Southwest 20-30 mph.
Mixing height.......1000-1500 ft AGL until 0400, then Below 1000 FT
AGL.
Transport winds.....Northeast around 15 mph until 1900, then north
until 2400, then northeast until 0100, then
north until 0400, then light.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy. Chance of rain showers until
1200, then rain showers and chance of
thunderstorms.
Chance of thunder...30 percent.
Max Temperature.....66-70.
24 hr trend......4-7 degrees cooler.
Min Humidity........50-54%.
24 hr trend......7-10% wetter.
20-foot winds.......East winds 4-12 mph. Gusts up to 20 mph in the
afternoon.
CWR.................10 percent increasing to 50 percent in the
afternoon.
15K FT MSL winds....West 20-30 mph.
Mixing height.......1000 ft AGL until 0700, then Below 1000 FT AGL
until 0800, then 3000-4000 ft AGL.
Transport winds.....South around 10 mph until 0700, then southwest
until 0900, then southeast.
Smoke dispersal.....Poor.
.SUNDAY NIGHT...Mostly cloudy. Chance of thunderstorms. Lows in
the upper 40s. Southeast winds 4-7 mph.
.MONDAY...Partly cloudy. Slight chance of rain showers. Highs in
the upper 60s. Southeast winds 6-13 mph.
.TUESDAY...Breezy. Partly cloudy. Chance of rain showers and
slight chance of thunderstorms. Lows in the upper 40s. Highs in
the lower 70s. South winds 15-25 mph.
.WEDNESDAY...Mostly cloudy. Slight chance of thunderstorms. Lows
in the lower 50s. Highs in the lower 70s. South winds 12-18 mph.
$$
COZ247-191030-
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Including Forder, Karval, Kutch, and Punkin Center
204 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy(50-60%) until 2100, then partly
cloudy(40-50%). Slight chance of thunderstorms
until 2100.
Chance of thunder...20 percent.
Min Temperature.....52-58.
24 hr trend......4-7 degrees cooler.
Max Humidity........95-99%.
24 hr trend......7-10% wetter.
20-foot winds.......North winds 5-13 mph with gusts to around 20
mph.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....Southwest 15-25 mph.
Mixing height.......2000-3000 ft AGL until 2000, then Below 1000 FT
AGL until 2200, then 1000 ft AGL until 2300,
then Below 1000 FT AGL until 0100, then 1000 ft
AGL.
Transport winds.....South around 15 mph until 1900, then north.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy(35-45%). Slight chance of
thunderstorms after 1500 until 1700, then
chance of thunderstorms.
Chance of thunder...30 percent.
Max Temperature.....78-82.
24 hr trend......7-10 degrees cooler.
Min Humidity........30-40%.
24 hr trend......4-7% wetter.
20-foot winds.......Northwest winds 4-8 mph until 1200, then
southeast 6-13 mph with gusts to around 20 mph.
CWR.................0 percent increasing to 10 percent in the
afternoon.
15K FT MSL winds....Southwest 15-25 mph.
Mixing height.......7000-8000 ft AGL.
Transport winds.....North around 10 mph until 0700, then light
until 1400, then south 10-15 mph.
Smoke dispersal.....Poor until 1400, then good.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy(60-65%) until 2400, then partly
cloudy(40-50%) until 0300, then mostly
cloudy(55-60%). Rain showers likely and chance
of thunderstorms until 2400. Slight chance of
thunderstorms after 2400.
Chance of thunder...50 percent.
Min Temperature.....48-54.
24 hr trend......2-4 degrees cooler.
Max Humidity........100%.
24 hr trend......Little change.
20-foot winds.......Northeast winds 7-15 mph with gusts to around
25 mph.
CWR.................30 percent decreasing to 10 percent after
midnight.
15K FT MSL winds....Southwest 25-35 mph.
Mixing height.......1500-2500 ft AGL until 0400, then Below 1000 FT
AGL.
Transport winds.....Southeast around 15 mph until 1900, then
northeast until 0500, then light.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy. Slight chance of rain showers
until 1200, then rain showers likely and chance
of thunderstorms.
Chance of thunder...30 percent.
Max Temperature.....68-72.
24 hr trend......7-10 degrees cooler.
Min Humidity........43-53%.
24 hr trend......15-20% wetter.
20-foot winds.......East winds 5-13 mph. Gusts up to 20 mph in the
afternoon.
CWR.................10 percent increasing to 20 percent in the
afternoon.
15K FT MSL winds....West 20-30 mph.
Mixing height.......1000 ft AGL until 0700, then Below 1000 FT AGL
until 0800, then 4000-5000 ft AGL.
Transport winds.....Northeast around 10 mph until 0700, then light
until 0800, then southwest around 10 mph until
0900, then southeast until 1700, then east.
Smoke dispersal.....Poor.
.SUNDAY NIGHT...Rain showers likely and chance of thunderstorms.
Lows in the upper 40s. Northeast winds 4-8 mph.
.MONDAY...Partly cloudy. Slight chance of thunderstorms. Highs in
the upper 60s. Southeast winds 6-13 mph.
.TUESDAY...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows in the upper 40s. Highs in the
lower 70s. Southeast winds 13-23 mph.
.WEDNESDAY...Mostly cloudy. Slight chance of thunderstorms. Lows
in the lower 50s. Highs in the lower 70s. South winds 12-18 mph.
$$
COZ215-191030-
Larimer and Boulder Counties Between 6000 and 9000 Feet-
Including Estes Park, Glendevey, Laramie River Valley, Nederland,
and Red Feather Lakes
204 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy(50-60%) until 2400, then partly
cloudy(35-45%). Chance of rain showers until
2000. Slight chance of thunderstorms until
2100. Slight chance of rain showers after 2400.
Chance of thunder...20 percent.
Min Temperature.....42-52.
24 hr trend......4-7 degrees cooler.
Max Humidity........86-96%.
24 hr trend......15-20% wetter.
20-foot winds.......
Valleys/lwr slopes...West winds 4-8 mph.
Ridges/upr slopes....West winds 4-9 mph.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....West 20-30 mph.
Mixing height.......1000-2000 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....Southwest around 10 mph until 1900, then light
until 0100, then west 10-15 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy(40-50%) until 1200, then mostly
cloudy. Slight chance of rain showers until
1200, then chance of thunderstorms. Rain
showers likely after 1400 until 1700.
Chance of thunder...40 percent.
Max Temperature.....62-70.
24 hr trend......4-7 degrees cooler.
Min Humidity........43-51%.
24 hr trend......2-4% wetter.
20-foot winds.......
Valleys/lwr slopes...Southwest winds 4-8 mph.
Ridges/upr slopes....Southwest winds 4-8 mph.
CWR.................10 percent increasing to 40 percent in the
afternoon.
15K FT MSL winds....Southwest 20-30 mph.
Mixing height.......Below 1000 FT AGL until 0900, then 4500-5500 ft
AGL.
Transport winds.....West around 15 mph.
Smoke dispersal.....Poor until 1200, then fair.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy(50-60%) until 2100, then partly
cloudy(35-45%) until 0300, then mostly
cloudy(50-60%). Slight chance of thunderstorms
until 2400. Chance of rain showers.
Chance of thunder...20 percent.
Min Temperature.....39-49.
24 hr trend......Little change.
Max Humidity........80-90%.
24 hr trend......10-15% drier.
20-foot winds.......
Valleys/lwr slopes...West winds 4-7 mph.
Ridges/upr slopes....West winds 4-7 mph.
CWR.................10 percent.
15K FT MSL winds....West 25-35 mph.
Mixing height.......2000-3000 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....West around 10 mph until 2200, then light until
2400, then west 10-15 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy. Chance of rain showers until
1200, then chance of thunderstorms.
Chance of thunder...30 percent.
Max Temperature.....57-67.
24 hr trend......4-7 degrees cooler.
Min Humidity........40-50%.
24 hr trend......2-4% drier.
20-foot winds.......
Valleys/lwr slopes...West winds 4-9 mph with gusts to around 20
mph.
Ridges/upr slopes....Northwest winds 4-9 mph with gusts to
around 20 mph.
CWR.................10 percent.
15K FT MSL winds....West 30-40 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 6000-7000 ft
AGL.
Transport winds.....West 10-15 mph.
Smoke dispersal.....Poor until 1200, then good.
.SUNDAY NIGHT...Partly cloudy. Slight chance of rain showers.
Lows in the lower 40s. West winds 4-6 mph.
.MONDAY...Mostly clear. Highs in the mid 60s. South winds
4-7 mph.
.TUESDAY...Partly cloudy. Slight chance of thunderstorms. Lows in
the mid 40s. Highs in the upper 60s. South winds 4-6 mph.
.WEDNESDAY...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows in the upper 40s. Highs in the
upper 60s. Southwest winds 4-6 mph.
$$
COZ216-191030-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-
Including Bailey, Central City, Evergreen, Georgetown,
Idaho Springs, Northern Rampart Range, Tarryall, and Westcreek
204 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy until 2100, then partly
cloudy(40-50%). Chance of rain showers until
2000. Slight chance of thunderstorms until
2100.
Chance of thunder...20 percent.
Min Temperature.....42-52.
24 hr trend......4-7 degrees cooler.
Max Humidity........80-90%.
24 hr trend......2-4% wetter.
20-foot winds.......
Valleys/lwr slopes...West winds 4-8 mph.
Ridges/upr slopes....West winds 4-9 mph.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....West 20-30 mph.
Mixing height.......1000-2000 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....Northwest around 10 mph until 1900, then light
until 0100, then west around 10 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly sunny until 0900, then partly cloudy
until 1200, then mostly cloudy(55-60%). Slight
chance of thunderstorms after 1200 until 1300,
then chance of thunderstorms. Rain showers
likely after 1400 until 1500.
Chance of thunder...40 percent.
Max Temperature.....64-74.
24 hr trend......2-4 degrees cooler.
Min Humidity........33-43%.
24 hr trend......7-10% drier.
20-foot winds.......
Valleys/lwr slopes...Southwest winds 4-8 mph until 1200, then
southeast.
Ridges/upr slopes....Southwest winds 4-8 mph.
CWR.................0 percent increasing to 30 percent in the
afternoon.
15K FT MSL winds....Southwest 20-30 mph.
Mixing height.......Below 1000 FT AGL until 0900, then 5000-6000 ft
AGL.
Transport winds.....West around 10 mph until 0900, then light until
1100, then southwest 10-15 mph until 1700, then
northeast.
Smoke dispersal.....Poor until 1200, then fair.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy(55-60%) until 2100, then partly
cloudy(30-40%). Chance of thunderstorms until
2000, then slight chance of thunderstorms until
2200.
Chance of thunder...30 percent.
Min Temperature.....40-50.
24 hr trend......2-4 degrees cooler.
Max Humidity........73-83%.
24 hr trend......7-10% drier.
20-foot winds.......
Valleys/lwr slopes...Northwest winds 4-6 mph until 2400, then
southwest.
Ridges/upr slopes....West winds 4-7 mph.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....Southwest 20-30 mph.
Mixing height.......1000-2000 ft AGL until 2100, then Below 1000 FT
AGL.
Transport winds.....West around 10 mph until 1900, then light until
0100, then southwest around 10 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Partly cloudy(35-45%) until 1500, then mostly
cloudy(50-60%). Slight chance of rain showers
until 1200, then chance of rain showers and
slight chance of thunderstorms until 1500, then
chance of thunderstorms.
Chance of thunder...30 percent.
Max Temperature.....60-70.
24 hr trend......4-7 degrees cooler.
Min Humidity........34-44%.
24 hr trend......7-10% wetter.
20-foot winds.......
Valleys/lwr slopes...Southwest winds 4-6 mph until 1200, then
northeast 4-9 mph with gusts to around 20
mph.
Ridges/upr slopes....Southwest winds 4-7 mph until 1200, then
north 4-9 mph with gusts to around 25 mph.
CWR.................0 percent increasing to 10 percent in the
afternoon.
15K FT MSL winds....West 20-30 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 5000-6000 ft
AGL.
Transport winds.....West around 10 mph until 1300. North after
1700.
Smoke dispersal.....Poor until 1200, then fair.
.SUNDAY NIGHT...Partly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows in the mid 40s. North winds
4-8 mph.
.MONDAY...Mostly clear. Highs in the mid 60s. Southeast winds
4-7 mph.
.TUESDAY...Partly cloudy. Chance of thunderstorms. Lows in the
mid 40s. Highs around 70. South winds 4-7 mph.
.WEDNESDAY...Mostly cloudy. Chance of thunderstorms. Lows in the
upper 40s. Highs in the upper 60s. Southwest winds 4-7 mph.
$$
COZ211-191030-
Jackson County Below 9000 Feet-
Including Gould, North Park, Rand, Spicer, and Walden
204 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy(60-65%). Slight chance of
thunderstorms until 2400. Chance of rain
showers after 2000.
Chance of thunder...20 percent.
Min Temperature.....34-42.
24 hr trend......7-10 degrees cooler.
Max Humidity........95-99%.
24 hr trend......Little change.
20-foot winds.......South winds 4-8 mph.
CWR.................10 percent.
15K FT MSL winds....Southwest 25-35 mph.
Mixing height.......2000 ft AGL until 1900, then Below 1000 FT AGL.
Transport winds.....West around 10 mph until 1900, then light until
2200, then southwest around 10 mph until 0200,
then light.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy. Chance of rain showers until
1200, then chance of thunderstorms.
Chance of thunder...40 percent.
Max Temperature.....62-66.
24 hr trend......2-4 degrees cooler.
Min Humidity........41-49%.
24 hr trend......2-4% drier.
20-foot winds.......Southwest winds 5-13 mph. Gusts up to 20 mph in
the afternoon.
CWR.................10 percent increasing to 30 percent in the
afternoon.
15K FT MSL winds....Southwest 25-35 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 4500-5500 ft
AGL.
Transport winds.....Southwest 10-15 mph until 1200, then 15-20 mph.
Smoke dispersal.....Poor until 1100, then good.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy(50-60%) until 2100, then partly
cloudy(50-60%) until 0300, then mostly cloudy.
Chance of thunderstorms until 2400. Chance of
rain showers after 2400.
Chance of thunder...30 percent.
Min Temperature.....27-37.
24 hr trend......2-4 degrees cooler.
Max Humidity........96-99%.
24 hr trend......Little change.
20-foot winds.......South winds 4-7 mph. Gusts up to 20 mph in the
evening.
CWR.................10 percent.
15K FT MSL winds....Southwest 30-40 mph.
Mixing height.......1500-2500 ft AGL until 2100, then Below 1000 FT
AGL.
Transport winds.....Southwest 10-15 mph until 2300, then south
until 2400, then light.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy until 1200, then partly
cloudy(35-45%). Chance of rain showers until
1200.
Chance of thunder...0 percent.
Max Temperature.....57-61.
24 hr trend......4-7 degrees cooler.
Min Humidity........37-45%.
24 hr trend......2-4% drier.
20-foot winds.......Southwest winds 4-6 mph until 1200, then west
9-16 mph. Gusts up to 25 mph.
CWR.................10 percent decreasing to 0 percent in the
afternoon.
15K FT MSL winds....West 30-40 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 6000-7000 ft
AGL.
Transport winds.....Light winds until 0800. West 15-20 mph after
1300.
Smoke dispersal.....Poor until 1100. Good after 1500.
.SUNDAY NIGHT...Mostly clear. Lows around 30. South winds
4-6 mph.
.MONDAY...Mostly clear. Highs in the mid 60s. Southwest winds
4-7 mph.
.TUESDAY...Partly cloudy. Slight chance of thunderstorms. Lows in
the lower 30s. Highs in the upper 60s. South winds 4-8 mph.
.WEDNESDAY...Partly cloudy. Slight chance of thunderstorms. Lows
in the mid 30s. Highs in the upper 60s. Southwest winds 4-7 mph.
$$
COZ213-191030-
Grand and Summit Counties Below 9000 Feet-
Including Dillon, Fraser, Granby, Grand Lake,
Green Mountain Reservoir, Hot Sulphur Springs, Kremmling,
Middle Park, and Williams Fork Reservoir
204 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy(60-65%) until 2100, then partly
cloudy(40-50%) until 0300, then mostly
cloudy(50-60%). Slight chance of thunderstorms
until 2100. Slight chance of rain showers after
2100.
Chance of thunder...20 percent.
Min Temperature.....36-44.
24 hr trend......7-10 degrees cooler.
Max Humidity........89-99%.
24 hr trend......Little change.
20-foot winds.......South winds 4-7 mph.
CWR.................10 percent.
15K FT MSL winds....Southwest 25-35 mph.
Mixing height.......1500-2500 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....Southwest around 10 mph until 1900, then light.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy(60-65%). Chance of rain showers
until 1200, then chance of thunderstorms.
Chance of thunder...40 percent.
Max Temperature.....61-69.
24 hr trend......Little change.
Min Humidity........37-47%.
24 hr trend......2-4% drier.
20-foot winds.......Southwest winds 5-13 mph.
CWR.................10 percent increasing to 20 percent in the
afternoon.
15K FT MSL winds....Southwest 25-35 mph.
Mixing height.......Below 1000 FT AGL until 0900, then 5000-6000 ft
AGL.
Transport winds.....Light winds until 1100. Southwest 15-20 mph
after 1400.
Smoke dispersal.....Poor until 1200, then good.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy(50-60%) until 2100, then partly
cloudy(40-50%) until 0300, then mostly
cloudy(50-60%). Slight chance of thunderstorms
until 2100. Slight chance of rain showers after
2100.
Chance of thunder...20 percent.
Min Temperature.....32-40.
24 hr trend......2-4 degrees cooler.
Max Humidity........88-98%.
24 hr trend......Little change.
20-foot winds.......West winds 4-6 mph with gusts to around 20 mph
until 2400, then south 4-8 mph.
CWR.................10 percent.
15K FT MSL winds....Southwest 25-35 mph.
Mixing height.......2000-3000 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....West 10-15 mph until 2000, then light.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy(50-60%) until 0900, then partly
cloudy(40-50%). Slight chance of rain showers
until 1200.
Chance of thunder...0 percent.
Max Temperature.....57-65.
24 hr trend......4-7 degrees cooler.
Min Humidity........34-44%.
24 hr trend......Little change.
20-foot winds.......West winds 6-14 mph. Gusts up to 25 mph in the
afternoon.
CWR.................10 percent decreasing to 0 percent in the
afternoon.
15K FT MSL winds....West 30-40 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 6000-7000 ft
AGL.
Transport winds.....Light winds until 1000, then west 10-15 mph.
Smoke dispersal.....Poor until 1200, then good.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 30s. West winds
4-8 mph.
.MONDAY...Mostly clear. Highs in the mid 60s. West winds 4-6 mph.
.TUESDAY...Partly cloudy. Slight chance of thunderstorms. Lows in
the mid 30s. Highs in the upper 60s. South winds 4-6 mph.
.WEDNESDAY...Mostly cloudy. Slight chance of thunderstorms. Lows
in the upper 30s. Highs in the mid 60s. West winds 4-6 mph.
$$
COZ214-191030-
Central and Southeast Park County-
Including Eleven Mile Canyon Reservoir, Fairplay, Guffey,
Hartsel, Lake George, and South Park
204 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy(55-60%) until 2100, then partly
cloudy(40-50%). Slight chance of thunderstorms
until 2100.
Chance of thunder...20 percent.
Min Temperature.....39-47.
24 hr trend......4-7 degrees cooler.
Max Humidity........77-87%.
24 hr trend......15-20% drier.
20-foot winds.......
Valleys/lwr slopes...West winds 4-8 mph.
Ridges/upr slopes....West winds 4-9 mph.
CWR.................0 percent.
15K FT MSL winds....Southwest 15-25 mph.
Mixing height.......2000-3000 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....West 10-15 mph until 2000, then light until
2300, then west around 10 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly sunny until 1200, then partly
cloudy(40-50%) until 1500, then mostly
cloudy(50-60%). Chance of thunderstorms after
1200.
Chance of thunder...30 percent.
Max Temperature.....62-70.
24 hr trend......Little change.
Min Humidity........26-32%.
24 hr trend......10-15% drier.
20-foot winds.......
Valleys/lwr slopes...Southwest winds 6-14 mph.
Ridges/upr slopes....Southwest winds 6-14 mph.
CWR.................0 percent increasing to 10 percent in the
afternoon.
15K FT MSL winds....Southwest 20-30 mph.
Mixing height.......Below 1000 FT AGL until 0900, then 6000-7000 ft
AGL.
Transport winds.....West 10-15 mph until 1200, then southwest 15-20
mph.
Smoke dispersal.....Poor until 1100, then good until 1300, then
excellent until 1600, then good.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy(30-40%). Slight chance of
thunderstorms until 1900.
Chance of thunder...10 percent.
Min Temperature.....34-42.
24 hr trend......2-4 degrees cooler.
Max Humidity........70-80%.
24 hr trend......7-10% drier.
20-foot winds.......
Valleys/lwr slopes...West winds 4-12 mph. Gusts up to 25 mph in
the evening.
Ridges/upr slopes....West winds 4-12 mph. Gusts up to 25 mph in
the evening.
CWR.................0 percent.
15K FT MSL winds....Southwest 20-30 mph.
Mixing height.......2500-3500 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....West 10-15 mph until 2400, then light until
0100, then southwest around 10 mph until 0300,
then light until 0400, then southwest around 10
mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny until 1200, then partly
cloudy(35-45%).
Chance of thunder...0 percent.
Max Temperature.....62-68.
24 hr trend......Little change.
Min Humidity........21-27%.
24 hr trend......4-7% drier.
20-foot winds.......
Valleys/lwr slopes...Southwest winds 4-6 mph with gusts to
around 20 mph until 1200, then west 9-16
mph with gusts to around 30 mph.
Ridges/upr slopes....West winds 6-14 mph. Gusts up to 20 mph
increasing to 30 mph in the afternoon.
CWR.................0 percent.
15K FT MSL winds....West 20-30 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 8000-9000 ft
AGL.
Transport winds.....Southwest 10-15 mph until 1200, then west 15-20
mph.
Smoke dispersal.....Poor until 1100, then very good until 1700,
then good.
.SUNDAY NIGHT...Partly cloudy. Slight chance of rain showers.
Lows in the upper 30s. Northwest winds 4-7 mph.
.MONDAY...Partly cloudy. Slight chance of thunderstorms. Highs in
the mid 60s. South winds 4-8 mph.
.TUESDAY...Mostly cloudy. Chance of thunderstorms. Lows in the
lower 40s. Highs in the mid 60s. Southwest winds 4-8 mph.
.WEDNESDAY...Mostly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows in the lower 40s. Highs in the mid
60s. Southwest winds 4-8 mph.
$$
COZ218-191030-
South and East Jackson/Larimer/North and Northeast Grand/
Northwest Boulder Counties Above 9000 Feet-
Including Cameron Pass, Laramie and Medicine Bow Mountains,
Rabbit Ears Range, Rocky Mountain National Park,
and Willow Creek Pass
204 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy(50-60%) until 2400, then partly
cloudy(40-50%). Chance of rain showers until
2000. Slight chance of thunderstorms until
2100. Slight chance of rain showers after 2100.
Chance of thunder...20 percent.
Min Temperature.....36-46.
24 hr trend......Little change.
Max Humidity........87-97%.
24 hr trend......Little change.
20-foot winds.......
Valleys/lwr slopes...Southwest winds 4-9 mph.
Ridges/upr slopes....Southwest winds 4-12 mph. Gusts up to 20
mph after midnight.
CWR.................10 percent.
15K FT MSL winds....Southwest 20-30 mph.
Mixing height.......1500-2500 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....West around 10 mph until 1900, then light until
2300, then southwest around 10 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy(50-60%). Chance of rain showers
until 1200, then chance of thunderstorms. Rain
showers likely after 1500 until 1700.
Chance of thunder...40 percent.
Max Temperature.....51-61.
24 hr trend......2-4 degrees cooler.
Min Humidity........47-57%.
24 hr trend......4-7% drier.
20-foot winds.......
Valleys/lwr slopes...Southwest winds 5-13 mph.
Ridges/upr slopes....Southwest winds 5-13 mph. Gusts up to 20
mph in the morning.
CWR.................10 percent increasing to 30 percent in the
afternoon.
15K FT MSL winds....Southwest 25-35 mph.
Mixing height.......Below 1000 FT AGL until 0700, then 4500-5500 ft
AGL.
Transport winds.....Southwest 10-15 mph until 1200, then 15-20 mph.
Smoke dispersal.....Poor until 1100, then good.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy(50-60%) until 2100, then partly
cloudy(40-50%) until 0300, then mostly
cloudy(60-65%). Slight chance of thunderstorms
until 2400. Chance of rain showers. Chance of
snow showers after 2400.
Chance of thunder...20 percent.
Min Temperature.....30-40.
24 hr trend......7-10 degrees cooler.
Max Humidity........85-95%.
24 hr trend......Little change.
20-foot winds.......
Valleys/lwr slopes...Southwest winds 4-7 mph. Gusts up to 20
mph in the evening.
Ridges/upr slopes....Southwest winds 4-7 mph. Gusts up to 20
mph in the evening.
CWR.................10 percent.
15K FT MSL winds....Southwest 25-35 mph.
Mixing height.......1500-2500 ft AGL until 2100, then Below 1000 FT
AGL until 2400, then 1000 ft AGL until 0100,
then Below 1000 FT AGL.
Transport winds.....West 10-15 mph until 2200, then light until
2300, then southwest around 10 mph until 0100,
then light until 0200, then southwest around 10
mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy(55-60%). Chance of rain and snow
showers until 1200, then slight chance of
thunderstorms.
Chance of thunder...20 percent.
Max Temperature.....46-56.
24 hr trend......4-7 degrees cooler.
Min Humidity........41-51%.
24 hr trend......2-4% drier.
20-foot winds.......
Valleys/lwr slopes...West winds 6-14 mph with gusts to around
25 mph.
Ridges/upr slopes....West winds 6-14 mph with gusts to around
25 mph.
CWR.................10 percent.
15K FT MSL winds....West 30-40 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 5500-6500 ft
AGL.
Transport winds.....Southwest 10-15 mph until 1200, then west 15-20
mph.
Smoke dispersal.....Poor until 1100, then good.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 30s. Southwest
winds 4-6 mph.
.MONDAY...Mostly clear. Highs in the upper 50s. Southwest winds
4-7 mph.
.TUESDAY...Partly cloudy. Slight chance of thunderstorms. Lows in
the mid 30s. Highs in the upper 50s. Southwest winds 4-7 mph.
.WEDNESDAY...Mostly cloudy. Chance of thunderstorms. Lows in the
upper 30s. Highs in the upper 50s. Southwest winds 4-7 mph.
$$
COZ212-191030-
South and Southeast Grand/West Central and Southwest Boulder/
Gilpin/Clear Creek/Summit/North and West Park Counties Above
9000 Feet-
Including Berthoud Pass, Breckenridge,
East Slopes Mosquito Range, East Slopes Southern Gore Range,
Eisenhower Tunnel, Indian Peaks, Kenosha Mountains,
Mount Blue Sky, Puma Hills, Tarryall Mountains,
Williams Fork Mountains, and Winter Park
204 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy(60-65%) until 2100, then partly
cloudy(40-50%). Chance of rain showers until
2000. Slight chance of thunderstorms until
2100. Slight chance of rain showers after 2200.
Chance of thunder...20 percent.
Min Temperature.....36-44.
24 hr trend......7-10 degrees cooler.
Max Humidity........81-91%.
24 hr trend......10-15% drier.
20-foot winds.......
Valleys/lwr slopes...West winds 4-8 mph.
Ridges/upr slopes....West winds 4-12 mph.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....Southwest 20-30 mph.
Mixing height.......1000-2000 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....West around 10 mph until 2000, then light until
2300, then west around 10 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy(35-45%) until 1200, then mostly
cloudy(55-60%). Slight chance of rain showers
until 1200, then chance of thunderstorms.
Chance of thunder...40 percent.
Max Temperature.....52-62.
24 hr trend......Little change.
Min Humidity........38-48%.
24 hr trend......10-15% drier.
20-foot winds.......
Valleys/lwr slopes...Southwest winds 5-13 mph. Gusts up to 20
mph in the afternoon.
Ridges/upr slopes....Southwest winds 5-13 mph. Gusts up to 20
mph in the afternoon.
CWR.................0 percent increasing to 20 percent in the
afternoon.
15K FT MSL winds....Southwest 20-30 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 6000-7000 ft
AGL.
Transport winds.....West 10-15 mph until 1500, then 15-20 mph.
Smoke dispersal.....Poor until 1100, then good.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy(35-45%). Slight chance of
thunderstorms until 2100. Slight chance of rain
showers after 0400.
Chance of thunder...20 percent.
Min Temperature.....30-40.
24 hr trend......2-4 degrees cooler.
Max Humidity........74-84%.
24 hr trend......2-4% drier.
20-foot winds.......
Valleys/lwr slopes...West winds 4-8 mph. Gusts up to 20 mph in
the evening.
Ridges/upr slopes....West winds 4-12 mph. Gusts up to 25 mph in
the evening.
CWR.................0 percent.
15K FT MSL winds....West 25-35 mph.
Mixing height.......2000-3000 ft AGL until 2100, then Below 1000 FT
AGL.
Transport winds.....Southwest 10-15 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Partly cloudy(30-40%). Slight chance of rain
showers until 1200. Slight chance of
thunderstorms after 1200.
Chance of thunder...10 percent.
Max Temperature.....49-59.
24 hr trend......2-4 degrees cooler.
Min Humidity........30-40%.
24 hr trend......7-10% drier.
20-foot winds.......
Valleys/lwr slopes...West winds 6-14 mph with gusts to around
30 mph.
Ridges/upr slopes....West winds 8-16 mph with gusts to around
30 mph.
CWR.................0 percent.
15K FT MSL winds....West 25-35 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 7000-8000 ft
AGL.
Transport winds.....West 10-15 mph until 1200, then 15-20 mph.
Smoke dispersal.....Poor until 1100, then good.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 30s. West winds
4-7 mph.
.MONDAY...Partly cloudy. Highs in the upper 50s. West winds
4-8 mph.
.TUESDAY...Partly cloudy. Chance of thunderstorms. Lows in the
upper 30s. Highs in the upper 50s. Southwest winds 4-8 mph.
.WEDNESDAY...Mostly cloudy. Chance of thunderstorms. Lows in the
upper 30s. Highs in the upper 50s. West winds 4-8 mph.
$$
COZ217-191030-
West Jackson and West Grand Counties Above 9000 Feet-
Including East Slopes Park and Northern Gore Ranges, Gore Pass,
and Rabbit Ears Pass
204 PM MDT Fri Sep 18 2026
.TONIGHT...
Sky/weather.........Mostly cloudy(55-60%). Slight chance of
thunderstorms until 2400. Chance of rain
showers after 2000.
Chance of thunder...20 percent.
Min Temperature.....37-45.
24 hr trend......4-7 degrees cooler.
Max Humidity........87-97%.
24 hr trend......Little change.
20-foot winds.......
Valleys/lwr slopes...Southwest winds 4-9 mph.
Ridges/upr slopes....Southwest winds 5-13 mph. Gusts up to 20
mph after midnight.
CWR.................10 percent increasing to 20 percent after
midnight.
15K FT MSL winds....Southwest 25-35 mph.
Mixing height.......1500-2500 ft AGL until 2000, then Below 1000 FT
AGL until 0400, then 1000 ft AGL until 0500,
then Below 1000 FT AGL.
Transport winds.....Southwest around 10 mph until 2000, then light
until 2200, then southwest around 10 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy. Rain showers likely until 1300.
Chance of thunderstorms after 1200. Rain
showers likely after 1400 until 1700.
Chance of thunder...40 percent.
Max Temperature.....53-63.
24 hr trend......2-4 degrees cooler.
Min Humidity........49-59%.
24 hr trend......2-4% wetter.
20-foot winds.......
Valleys/lwr slopes...Southwest winds 6-14 mph.
Ridges/upr slopes....Southwest winds 6-14 mph.
CWR.................10 percent increasing to 30 percent in the
afternoon.
15K FT MSL winds....Southwest 25-35 mph.
Mixing height.......1000 ft AGL until 0700, then Below 1000 FT AGL
until 0800, then 4500-5500 ft AGL.
Transport winds.....Southwest 10-15 mph until 1200, then around 20
mph.
Smoke dispersal.....Poor until 1100, then good.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy(50-60%). Chance of thunderstorms
until 2100, then slight chance of thunderstorms
until 0300. Chance of rain showers after 0300.
Chance of thunder...30 percent.
Min Temperature.....32-40.
24 hr trend......4-7 degrees cooler.
Max Humidity........87-97%.
24 hr trend......Little change.
20-foot winds.......
Valleys/lwr slopes...Southwest winds 4-9 mph. Gusts up to 20
mph in the evening.
Ridges/upr slopes....Southwest winds 4-9 mph. Gusts up to 20
mph in the evening.
CWR.................10 percent.
15K FT MSL winds....Southwest 25-35 mph.
Mixing height.......2500-3000 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....West 10-15 mph until 2400, then light until
0400, then southwest around 10 mph until 0500,
then light.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly cloudy until 1200, then partly
cloudy(35-45%). Chance of rain showers until
1200.
Chance of thunder...0 percent.
Max Temperature.....48-58.
24 hr trend......2-4 degrees cooler.
Min Humidity........42-52%.
24 hr trend......2-4% drier.
20-foot winds.......
Valleys/lwr slopes...West winds 6-14 mph. Gusts up to 20 mph
increasing to 30 mph in the afternoon.
Ridges/upr slopes....West winds 7-15 mph. Gusts up to 20 mph
increasing to 30 mph in the afternoon.
CWR.................10 percent decreasing to 0 percent in the
afternoon.
15K FT MSL winds....West 25-35 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 6000-7000 ft
AGL.
Transport winds.....Light winds until 0800. West 15-20 mph after
1300.
Smoke dispersal.....Poor until 1200, then good.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 30s. Southwest
winds 4-7 mph.
.MONDAY...Mostly clear. Highs around 60. Southwest winds 4-8 mph.
.TUESDAY...Partly cloudy. Slight chance of thunderstorms. Lows in
the upper 30s. Highs in the lower 60s. South winds 4-8 mph.
.WEDNESDAY...Partly cloudy. Slight chance of thunderstorms. Lows
in the upper 30s. Highs around 60. Southwest winds 4-8 mph.
$$
.Outlook 6 to 10 Days...
Temperatures Above Normal and Precipitation Above Normal.
$$