Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Denver/Boulder, CO
Issued by NWS Denver/Boulder, CO
577
FNUS55 KBOU 282034
FWFBOU
Fire Weather Forecast for Northeast and North Central Colorado
National Weather Service Denver/Boulder CO
234 PM MDT Thu Aug 28 2025
.DISCUSSION...Tonight and Friday...Scattered showers and
thunderstorms will occur this evening and again on Friday
with a few areas of locally heavy rain. Temperatures will
remain slightly below normal.
LONG TERM DISCUSSION...Friday night through Tuesday...
Saturday will see another round of showers and thunderstorms
with locally heavy rain in some areas. Temperatures will be
below normal. For Sunday through Tuesday a drier and warmer
pattern will develop. Temperatures will return to seasonal
levels.
...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...
COZ238-291015-
Larimer County Below 6000 Feet/Northwest Weld County-
Including Fort Collins, Hereford, Loveland, Nunn,
and West Pawnee Grasslands
234 PM MDT Thu Aug 28 2025
.TONIGHT...
Sky/weather.........Mostly cloudy until 2400, then partly
cloudy(40-50%). Chance of thunderstorms until
2100, then chance of rain showers and slight
chance of thunderstorms until 2400.
Chance of thunder...30 percent.
Min Temperature.....52-56.
24 hr trend......Little change.
Max Humidity........88-98%.
24 hr trend......Little change.
20-foot winds.......Southeast winds 4-7 mph until 2400, then west
4-8 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.....Northeast around 10 mph until 1900, then light
until 2000, then south around 10 mph until
2400, then southwest until 0200, then light.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy(35-45%) until 1200, then mostly
cloudy(50-60%). Chance of rain showers and
slight chance of thunderstorms after 1200 until
1500, then chance of thunderstorms.
Chance of thunder...30 percent.
Max Temperature.....78-82.
24 hr trend......2-4 degrees warmer.
Min Humidity........28-38%.
24 hr trend......20-25% drier.
20-foot winds.......Northwest winds 4-12 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 8000-9000 ft
AGL.
Transport winds.....West 10-15 mph.
Smoke dispersal.....Poor until 1100, then good.
.FRIDAY NIGHT...
Sky/weather.........Mostly cloudy until 2400, then partly
cloudy(40-50%). Chance of thunderstorms until
2100, then chance of rain showers and slight
chance of thunderstorms until 2400, then slight
chance of rain showers.
Chance of thunder...30 percent.
Min Temperature.....51-55.
24 hr trend......Little change.
Max Humidity........89-99%.
24 hr trend......Little change.
20-foot winds.......Northwest winds 4-9 mph.
CWR.................10 percent.
15K FT MSL winds....Northwest 15-20 mph.
Mixing height.......2500-3500 ft AGL until 2100, then Below 1000 FT
AGL until 2300, then 1000 ft AGL until 0300,
then Below 1000 FT AGL.
Transport winds.....West around 10 mph until 2000, then north.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........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...50 percent.
Max Temperature.....73-77.
24 hr trend......4-7 degrees cooler.
Min Humidity........44-52%.
24 hr trend......15-20% wetter.
20-foot winds.......North winds 5-13 mph. Gusts up to 20 mph in the
afternoon.
CWR.................10 percent increasing to 50 percent in the
afternoon.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......Below 1000 FT AGL until 0700, then 5000-6000 ft
AGL.
Transport winds.....Northwest around 10 mph until 0900, then light
until 1000, then northwest around 10 mph until
1600, then northeast.
Smoke dispersal.....Poor until 1200, then fair.
.SATURDAY NIGHT...Partly cloudy. Slight chance of thunderstorms.
Lows around 50. North winds 4-8 mph.
.SUNDAY...Mostly clear. Highs in the upper 70s. Northeast winds
4-8 mph.
.LABOR DAY...Mostly clear. Lows around 50. Highs around 80. North
winds 4-8 mph.
.TUESDAY...Mostly clear. Slight chance of rain showers. Lows in
the lower 50s. Highs in the lower 80s. North winds 4-9 mph.
$$
COZ239-291015-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield
County-
Including Arvada, Boulder, Golden, Lakewood, and Longmont
234 PM MDT Thu Aug 28 2025
.TONIGHT...
Sky/weather.........Mostly cloudy(60-65%) until 2400, then partly
cloudy(30-40%). Chance of thunderstorms until
2100, then chance of rain showers and slight
chance of thunderstorms until 2400, then slight
chance of rain showers.
Chance of thunder...30 percent.
Min Temperature.....54-58.
24 hr trend......Little change.
Max Humidity........78-88%.
24 hr trend......20-25% drier.
20-foot winds.......North winds 4-6 mph until 2400, then west.
CWR.................20 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....West 15-25 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....Light winds.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy(40-50%) until 1200, then mostly
cloudy(60-65%). Chance of thunderstorms after
1200.
Chance of thunder...30 percent.
Max Temperature.....77-81.
24 hr trend......Little change.
Min Humidity........34-40%.
24 hr trend......10-15% drier.
20-foot winds.......West winds 4-6 mph.
CWR.................0 percent increasing to 10 percent in the
afternoon.
15K FT MSL winds....West 20-30 mph.
Mixing height.......5500-6500 ft AGL.
Transport winds.....Light winds until 1300, then west around 10 mph
until 1400, then light until 1600, then west
around 10 mph.
Smoke dispersal.....Poor.
.FRIDAY NIGHT...
Sky/weather.........Mostly cloudy(60-65%). Chance of thunderstorms
until 2100, then slight chance of thunderstorms
until 2400. Chance of rain showers after 2100.
Chance of thunder...30 percent.
Min Temperature.....53-57.
24 hr trend......Little change.
Max Humidity........80-90%.
24 hr trend......15-20% wetter.
20-foot winds.......West winds 4-7 mph.
CWR.................10 percent.
15K FT MSL winds....West 15-25 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....Northwest around 10 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy. Chance of rain showers until
1200, then rain showers likely and chance of
thunderstorms until 1500, then thunderstorms
likely.
Chance of thunder...60 percent.
Max Temperature.....74-78.
24 hr trend......2-4 degrees cooler.
Min Humidity........43-51%.
24 hr trend......10-15% wetter.
20-foot winds.......Northeast winds 4-7 mph.
CWR.................10 percent increasing to 20 percent in the
afternoon.
15K FT MSL winds....West 15-25 mph.
Mixing height.......5000-6000 ft AGL.
Transport winds.....Light winds until 1500, then southwest around
10 mph until 1600, then light.
Smoke dispersal.....Poor.
.SATURDAY NIGHT...Partly cloudy. Slight chance of thunderstorms.
Lows in the lower 50s. West winds 4-6 mph.
.SUNDAY...Mostly clear. Highs in the upper 70s. Northeast winds
4-7 mph.
.LABOR DAY...Mostly clear. Lows in the lower 50s. Highs around
80. Northeast winds 4-7 mph.
.TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the
lower 80s. Northwest winds 4-7 mph.
$$
COZ240-291015-
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
234 PM MDT Thu Aug 28 2025
.TONIGHT...
Sky/weather.........Mostly cloudy(60-65%) until 2400, then partly
cloudy(40-50%). Chance of thunderstorms until
2100, then chance of rain showers and slight
chance of thunderstorms until 2400, then slight
chance of rain showers.
Chance of thunder...40 percent.
Min Temperature.....56-60.
24 hr trend......Little change.
Max Humidity........77-87%.
24 hr trend......10-15% drier.
20-foot winds.......East winds 4-8 mph until 2400, then southwest.
CWR.................20 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....West 15-25 mph.
Mixing height.......1500-2500 ft AGL until 2400, then Below 1000 FT
AGL.
Transport winds.....East around 10 mph until 2000, then light until
0100, then southwest around 10 mph until 0500,
then light.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy(35-45%) until 1200, then mostly
cloudy(50-60%). Chance of rain showers and
slight chance of thunderstorms after 1200 until
1500, then chance of thunderstorms.
Chance of thunder...30 percent.
Max Temperature.....79-83.
24 hr trend......Little change.
Min Humidity........29-35%.
24 hr trend......10-15% drier.
20-foot winds.......West winds 4-7 mph until 1200, then north 4-8
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 0900, then 6000-7000 ft
AGL.
Transport winds.....Light winds until 1300, then northwest around
10 mph until 1700, then light.
Smoke dispersal.....Poor until 1500, then fair.
.FRIDAY NIGHT...
Sky/weather.........Mostly cloudy until 0300, then partly
cloudy(50-60%). Chance of thunderstorms until
2100, then slight chance of thunderstorms until
2400. Chance of rain showers after 2100.
Chance of thunder...30 percent.
Min Temperature.....55-59.
24 hr trend......Little change.
Max Humidity........78-88%.
24 hr trend......7-10% wetter.
20-foot winds.......West winds 4-8 mph.
CWR.................10 percent.
15K FT MSL winds....West 20-30 mph.
Mixing height.......2000-3000 ft AGL until 2100, then Below 1000 FT
AGL until 0200, then 1000 ft AGL.
Transport winds.....Light winds until 1900, then west around 10 mph
until 2400, then light until 0100, then north
around 10 mph until 0500, then light.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy(40-50%) until 0900, then mostly
cloudy(60-65%). Slight chance of rain showers
until 1200, then rain showers likely and chance
of thunderstorms.
Chance of thunder...50 percent.
Max Temperature.....75-79.
24 hr trend......2-4 degrees cooler.
Min Humidity........35-43%.
24 hr trend......7-10% wetter.
20-foot winds.......Northwest winds 4-7 mph until 1200, then
northeast 4-13 mph.
CWR.................10 percent increasing to 30 percent in the
afternoon.
15K FT MSL winds....West 15-25 mph.
Mixing height.......Below 1000 FT AGL until 0700, then 6000-7000 ft
AGL.
Transport winds.....Light winds until 1500. North around 10 mph
after 1700.
Smoke dispersal.....Poor.
.SATURDAY NIGHT...Partly cloudy. Slight chance of thunderstorms.
Lows in the mid 50s. South winds 4-8 mph.
.SUNDAY...Mostly clear. Highs in the upper 70s. East winds
4-8 mph.
.LABOR DAY...Mostly clear. Lows in the mid 50s. Highs in the
lower 80s. East winds 4-8 mph.
.TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the lower
80s. West winds 4-8 mph.
$$
COZ241-291015-
Elbert/Central and East Douglas Counties Above 6000 Feet-
Including Castle Rock, Elbert, Fondis, Kiowa, and Larkspur
234 PM MDT Thu Aug 28 2025
.TONIGHT...
Sky/weather.........Mostly cloudy(55-60%). Rain showers likely and
chance of thunderstorms until 2400, then chance
of rain showers and slight chance of
thunderstorms.
Chance of thunder...50 percent.
Min Temperature.....53-57.
24 hr trend......Little change.
Max Humidity........89-99%.
24 hr trend......Little change.
20-foot winds.......South winds 4-9 mph.
CWR.................30 percent decreasing to 10 percent after
midnight.
15K FT MSL winds....West 15-25 mph.
Mixing height.......1500-2500 ft AGL until 2400, then Below 1000 FT
AGL until 0200, then 1000 ft AGL until 0300,
then Below 1000 FT AGL.
Transport winds.....South around 10 mph until 1900, then light
until 2000, then south 10-15 mph until 0500,
then southwest.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy(40-50%) until 1200, then mostly
cloudy. Slight chance of rain showers after
0900 until 1200, then chance of thunderstorms.
Chance of thunder...50 percent.
Max Temperature.....75-79.
24 hr trend......Little change.
Min Humidity........36-42%.
24 hr trend......7-10% drier.
20-foot winds.......Southwest winds 4-8 mph until 1200, then north
4-7 mph.
CWR.................0 percent increasing to 20 percent in the
afternoon.
15K FT MSL winds....West 20-30 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 5500-6500 ft
AGL.
Transport winds.....Southwest around 10 mph until 1000, then
northwest.
Smoke dispersal.....Poor.
.FRIDAY NIGHT...
Sky/weather.........Mostly cloudy(60-65%). Chance of thunderstorms
until 2100, then slight chance of thunderstorms
until 2400. Chance of rain showers after 2100.
Chance of thunder...30 percent.
Min Temperature.....51-55.
24 hr trend......2-4 degrees cooler.
Max Humidity........86-96%.
24 hr trend......7-10% drier.
20-foot winds.......West winds 4-8 mph.
CWR.................20 percent decreasing to 10 percent after
midnight.
15K FT MSL winds....West 20-30 mph.
Mixing height.......2000-3000 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....Northwest around 10 mph until 2000, then light
until 2100, then west around 10 mph until 2200,
then light until 2300, then west around 10 mph
until 0100, then light until 0200, then
northwest around 10 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy(50-60%) until 0900, then mostly
cloudy(60-65%). Chance of rain showers until
1200, then rain showers with thunderstorms
likely.
Chance of thunder...50 percent.
Max Temperature.....71-75.
24 hr trend......2-4 degrees cooler.
Min Humidity........45-53%.
24 hr trend......10-15% wetter.
20-foot winds.......Northwest winds 4-8 mph until 1200, then
northeast 4-12 mph.
CWR.................10 percent increasing to 70 percent in the
afternoon.
15K FT MSL winds....West 15-25 mph.
Mixing height.......Below 1000 FT AGL until 0700, then 5000-6000 ft
AGL.
Transport winds.....Northwest around 10 mph until 1200, then light
until 1300, then northwest around 10 mph.
Smoke dispersal.....Poor.
.SATURDAY NIGHT...Partly cloudy. Chance of thunderstorms. Lows
around 50. Southwest winds 4-8 mph.
.SUNDAY...Mostly clear. Slight chance of thunderstorms. Highs in
the mid 70s. East winds 4-8 mph.
.LABOR DAY...Mostly clear. Lows around 50. Highs in the upper
70s. Northeast winds 4-8 mph.
.TUESDAY...Mostly clear. Slight chance of thunderstorms. Lows in
the lower 50s. Highs in the upper 70s. West winds 4-9 mph.
$$
COZ242-291015-
Northeast Weld County-
Including Briggsdale, East Pawnee Grasslands, Grover,
Pawnee Buttes, Raymer, and Stoneham
234 PM MDT Thu Aug 28 2025
.TONIGHT...
Sky/weather.........Mostly cloudy until 2400, then partly
cloudy(50-60%) until 0300, then mostly
cloudy(50-60%). Chance of thunderstorms until
2100, then chance of rain showers and slight
chance of thunderstorms until 2400.
Chance of thunder...30 percent.
Min Temperature.....53-57.
24 hr trend......Little change.
Max Humidity........100%.
24 hr trend......Little change.
20-foot winds.......Southeast winds 4-13 mph until 2400, then
southwest 4-8 mph.
CWR.................20 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....West 20-30 mph.
Mixing height.......1000-2000 ft AGL until 2100, then Below 1000 FT
AGL.
Transport winds.....East around 10 mph until 2100, then south until
0100, then southwest.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy(50-60%) until 0900, then partly
cloudy(30-40%). Slight chance of thunderstorms
after 1200.
Chance of thunder...20 percent.
Max Temperature.....81-85.
24 hr trend......2-4 degrees warmer.
Min Humidity........29-33%.
24 hr trend......15-20% drier.
20-foot winds.......Northwest winds 4-12 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 0900, then 8000-9000 ft
AGL.
Transport winds.....West 10-15 mph until 1100, then northwest.
Smoke dispersal.....Poor until 1200, then good.
.FRIDAY NIGHT...
Sky/weather.........Mostly cloudy until 2400, then partly
cloudy(35-45%). Chance of thunderstorms until
2100, then chance of rain showers and slight
chance of thunderstorms until 2400, then slight
chance of rain showers.
Chance of thunder...30 percent.
Min Temperature.....53-57.
24 hr trend......Little change.
Max Humidity........98-100%.
24 hr trend......Little change.
20-foot winds.......Northwest winds 5-13 mph.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....Northwest 15-25 mph.
Mixing height.......7000 ft AGL until 1900. Below 1000 FT AGL after
2100.
Transport winds.....Northwest 10-15 mph until 2200, then north.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........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...40 percent.
Max Temperature.....75-79.
24 hr trend......4-7 degrees cooler.
Min Humidity........43-49%.
24 hr trend......15-20% wetter.
20-foot winds.......North winds 6-12 mph. Gusts up to 20 mph in the
afternoon.
CWR.................10 percent increasing to 50 percent in the
afternoon.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......Below 1000 FT AGL until 0700, then 4000-5000 ft
AGL.
Transport winds.....North 10-15 mph.
Smoke dispersal.....Poor.
.SATURDAY NIGHT...Partly cloudy. Chance of thunderstorms. Lows in
the lower 50s. North winds 4-12 mph.
.SUNDAY...Mostly clear. Highs in the upper 70s. Northeast winds
4-9 mph.
.LABOR DAY...Mostly clear. Lows in the upper 40s. Highs around
80. Northeast winds 4-8 mph.
.TUESDAY...Mostly clear. Slight chance of thunderstorms. Lows
around 50. Highs in the lower 80s. North winds 4-9 mph.
$$
COZ243-291015-
Central and South Weld County-
Including Eaton, Fort Lupton, Greeley, and Roggen
234 PM MDT Thu Aug 28 2025
.TONIGHT...
Sky/weather.........Mostly cloudy until 2400, then partly
cloudy(40-50%). Chance of thunderstorms until
2100, then chance of rain showers and slight
chance of thunderstorms until 2400.
Chance of thunder...30 percent.
Min Temperature.....53-57.
24 hr trend......Little change.
Max Humidity........94-98%.
24 hr trend......Little change.
20-foot winds.......East winds 4-8 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.......1500-2500 ft AGL until 2300, then Below 1000 FT
AGL.
Transport winds.....East around 10 mph until 2100, then south until
2400, then south around 10 mph until 0100, then
light.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy(50-60%) until 0900, then partly
cloudy(35-45%) until 1500, then mostly
cloudy(50-60%). Slight chance of thunderstorms
after 1200.
Chance of thunder...20 percent.
Max Temperature.....81-85.
24 hr trend......2-4 degrees warmer.
Min Humidity........31-37%.
24 hr trend......10-15% drier.
20-foot winds.......Northwest winds 4-8 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 0900, then 6500-7500 ft
AGL.
Transport winds.....Light winds until 1100. West around 10 mph
after 1700.
Smoke dispersal.....Poor until 1400, then fair.
.FRIDAY NIGHT...
Sky/weather.........Mostly cloudy(60-65%) until 0300, then partly
cloudy(40-50%). Chance of thunderstorms until
2100, then chance of rain showers and slight
chance of thunderstorms until 2400, then slight
chance of rain showers.
Chance of thunder...30 percent.
Min Temperature.....52-56.
24 hr trend......Little change.
Max Humidity........96-99%.
24 hr trend......Little change.
20-foot winds.......Northwest winds 4-9 mph.
CWR.................10 percent.
15K FT MSL winds....Northwest 15-25 mph.
Mixing height.......2000-3000 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....West around 10 mph until 2300, then north.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........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...40 percent.
Max Temperature.....76-80.
24 hr trend......4-7 degrees cooler.
Min Humidity........42-52%.
24 hr trend......10-15% wetter.
20-foot winds.......North winds 4-8 mph until 1200, then east 4-13
mph.
CWR.................10 percent increasing to 30 percent in the
afternoon.
15K FT MSL winds....West 15-25 mph.
Mixing height.......Below 1000 FT AGL until 0700, then 5500-6500 ft
AGL.
Transport winds.....North around 10 mph until 0800, then light
until 1300, then north around 10 mph.
Smoke dispersal.....Poor until 1500, then fair.
.SATURDAY NIGHT...Partly cloudy. Slight chance of thunderstorms.
Lows in the lower 50s. East winds 4-7 mph.
.SUNDAY...Mostly clear. Highs around 80. Northeast winds 4-7 mph.
.LABOR DAY...Mostly clear. Lows around 50. Highs in the lower
80s. Northeast winds 4-7 mph.
.TUESDAY...Mostly clear. Lows around 50. Highs in the mid 80s.
North winds 4-8 mph.
$$
COZ244-291015-
Morgan County-
Including Brush, Fort Morgan, Goodrich, and Wiggins
234 PM MDT Thu Aug 28 2025
.TONIGHT...
Sky/weather.........Mostly cloudy until 2400, then partly
cloudy(40-50%). Chance of thunderstorms until
2400.
Chance of thunder...40 percent.
Min Temperature.....54-58.
24 hr trend......Little change.
Max Humidity........98-100%.
24 hr trend......Little change.
20-foot winds.......Southeast winds 6-10 mph until 2400, then south
4-8 mph.
CWR.................20 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....West 20-30 mph.
Mixing height.......1500-2500 ft AGL until 2300, then Below 1000 FT
AGL.
Transport winds.....East 10-15 mph until 2200, then south until
0500, then light.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy(40-50%) until 1200, then mostly
cloudy(50-60%). Chance of rain showers and
slight chance of thunderstorms after 1200 until
1500, then chance of thunderstorms.
Chance of thunder...30 percent.
Max Temperature.....82-86.
24 hr trend......2-4 degrees warmer.
Min Humidity........32-36%.
24 hr trend......15-20% drier.
20-foot winds.......West winds 4-8 mph until 1200, then northwest
4-13 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 7500-8500 ft
AGL.
Transport winds.....Light winds until 1000, then northwest around
10 mph.
Smoke dispersal.....Poor until 1400, then good.
.FRIDAY NIGHT...
Sky/weather.........Mostly cloudy until 2400, then partly
cloudy(40-50%). Chance of thunderstorms until
2400, then slight chance of thunderstorms.
Chance of thunder...40 percent.
Min Temperature.....53-57.
24 hr trend......Little change.
Max Humidity........98-100%.
24 hr trend......Little change.
20-foot winds.......Northwest winds 4-12 mph.
CWR.................10 percent.
15K FT MSL winds....Northwest 15-25 mph.
Mixing height.......2500-3500 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....Northwest around 10 mph until 0100, then north.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........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...40 percent.
Max Temperature.....77-81.
24 hr trend......4-7 degrees cooler.
Min Humidity........48-54%.
24 hr trend......15-20% wetter.
20-foot winds.......North winds 6-12 mph. Gusts up to 20 mph in the
afternoon.
CWR.................10 percent increasing to 50 percent in the
afternoon.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......Below 1000 FT AGL until 0700, then 4500-5500 ft
AGL.
Transport winds.....North around 10 mph.
Smoke dispersal.....Poor.
.SATURDAY NIGHT...Partly cloudy. Chance of thunderstorms. Lows in
the lower 50s. Northwest winds 4-9 mph.
.SUNDAY...Mostly clear. Highs around 80. Northeast winds 4-9 mph.
.LABOR DAY...Clear. Lows around 50. Highs in the lower 80s.
Northeast winds 4-8 mph.
.TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the mid
80s. North winds 4-9 mph.
$$
COZ245-291015-
Central and East Adams and Arapahoe Counties-
Including Bennett, Byers, Deer Trail, and Leader
234 PM MDT Thu Aug 28 2025
.TONIGHT...
Sky/weather.........Mostly cloudy(60-65%) until 0300, then partly
cloudy(50-60%). Chance of thunderstorms until
2400, then slight chance of rain showers.
Chance of thunder...40 percent.
Min Temperature.....55-59.
24 hr trend......Little change.
Max Humidity........88-98%.
24 hr trend......4-7% drier.
20-foot winds.......Southeast winds 6-10 mph until 2400, then
south.
CWR.................40 percent decreasing to 10 percent after
midnight.
15K FT MSL winds....West 20-30 mph.
Mixing height.......1500-2500 ft AGL until 2300, then Below 1000 FT
AGL.
Transport winds.....Southeast around 10 mph until 2300, then south.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy(30-35%) until 1200, then mostly
cloudy(50-60%). Chance of rain showers and
slight chance of thunderstorms after 1200 until
1500, then chance of thunderstorms.
Chance of thunder...40 percent.
Max Temperature.....80-84.
24 hr trend......2-4 degrees warmer.
Min Humidity........30-36%.
24 hr trend......10-15% drier.
20-foot winds.......West winds 4-12 mph until 1200, then north 4-9
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 6500-7500 ft
AGL.
Transport winds.....West around 10 mph until 1000, then northwest.
Smoke dispersal.....Poor until 1400, then fair.
.FRIDAY NIGHT...
Sky/weather.........Mostly cloudy(50-60%) until 0300, then partly
cloudy(40-50%). Chance of thunderstorms until
2400, then slight chance of thunderstorms.
Chance of thunder...30 percent.
Min Temperature.....Around 56.
24 hr trend......Little change.
Max Humidity........87-97%.
24 hr trend......Little change.
20-foot winds.......West winds 4-12 mph.
CWR.................10 percent.
15K FT MSL winds....West 20-30 mph.
Mixing height.......2500-3500 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....West around 10 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........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...50 percent.
Max Temperature.....76-80.
24 hr trend......4-7 degrees cooler.
Min Humidity........39-47%.
24 hr trend......4-7% wetter.
20-foot winds.......Northwest winds 6-10 mph until 1200, then
northeast.
CWR.................10 percent increasing to 50 percent in the
afternoon.
15K FT MSL winds....West 15-25 mph.
Mixing height.......Below 1000 FT AGL until 0700, then 6000-7000 ft
AGL.
Transport winds.....North around 10 mph.
Smoke dispersal.....Poor until 1500, then fair.
.SATURDAY NIGHT...Partly cloudy. Chance of thunderstorms. Lows in
the lower 50s. South winds 4-12 mph.
.SUNDAY...Mostly clear. Highs in the upper 70s. Northeast winds
4-9 mph.
.LABOR DAY...Mostly clear. Lows in the lower 50s. Highs in the
lower 80s. East winds 4-13 mph.
.TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the mid
80s. West winds 6-10 mph.
$$
COZ248-291015-
Logan County-
Including Crook, Merino, Sterling, and Peetz
234 PM MDT Thu Aug 28 2025
.TONIGHT...
Sky/weather.........Mostly cloudy(55-60%). Chance of thunderstorms
until 2100, then chance of rain showers and
slight chance of thunderstorms until 2400.
Chance of thunder...30 percent.
Min Temperature.....54-58.
24 hr trend......Little change.
Max Humidity........100%.
24 hr trend......Little change.
20-foot winds.......South winds 5-13 mph.
CWR.................20 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....West 20-30 mph.
Mixing height.......1500-2500 ft AGL until 0100, then Below 1000 FT
AGL.
Transport winds.....Southeast around 10 mph until 2300, then south.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy(50-60%) until 0900, then partly
cloudy(30-40%). Slight chance of thunderstorms
after 1200.
Chance of thunder...20 percent.
Max Temperature.....81-85.
24 hr trend......4-7 degrees warmer.
Min Humidity........36-44%.
24 hr trend......10-15% drier.
20-foot winds.......Southwest winds 4-13 mph until 1200, then
northwest 4-9 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 7500-8500 ft
AGL.
Transport winds.....Southwest around 10 mph until 1000, then
northwest.
Smoke dispersal.....Poor until 1300, then good.
.FRIDAY NIGHT...
Sky/weather.........Mostly cloudy until 2400, then partly
cloudy(35-45%). Chance of thunderstorms until
2100, then chance of rain showers and slight
chance of thunderstorms until 2400, then slight
chance of rain showers.
Chance of thunder...40 percent.
Min Temperature.....54-58.
24 hr trend......Little change.
Max Humidity........100%.
24 hr trend......Little change.
20-foot winds.......Northeast winds 4-9 mph until 2400, then
northwest 4-8 mph.
CWR.................10 percent.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......6000 ft AGL until 1900, then 1000 ft AGL until
2000, then Below 1000 FT AGL until 2200, then
1000 ft AGL until 2300, then Below 1000 FT AGL
until 2400, then 1000 ft AGL until 0200, then
Below 1000 FT AGL until 0400, then 1000 ft AGL.
Transport winds.....North around 10 mph until 2100, then northeast
until 0200, then north.
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 chance of rain showers and
slight chance of thunderstorms until 1500, then
chance of thunderstorms.
Chance of thunder...40 percent.
Max Temperature.....75-79.
24 hr trend......4-7 degrees cooler.
Min Humidity........47-55%.
24 hr trend......10-15% wetter.
20-foot winds.......North winds 6-13 mph with gusts to around 20
mph.
CWR.................10 percent increasing to 20 percent in the
afternoon.
15K FT MSL winds....Northwest 15-25 mph.
Mixing height.......5500-6500 ft AGL.
Transport winds.....North 10-15 mph.
Smoke dispersal.....Poor until 1500, then fair.
.SATURDAY NIGHT...Partly cloudy. Chance of thunderstorms. Lows in
the lower 50s. Northwest winds 4-8 mph.
.SUNDAY...Mostly clear. Highs in the upper 70s. North winds
4-9 mph.
.LABOR DAY...Mostly clear. Lows around 50. Highs in the upper
70s. Northeast winds 4-8 mph.
.TUESDAY...Mostly clear. Slight chance of thunderstorms. Lows in
the lower 50s. Highs in the lower 80s. North winds 4-9 mph.
$$
COZ249-291015-
Washington County-
Including Akron, Cope, Last Chance, and Otis
234 PM MDT Thu Aug 28 2025
.TONIGHT...
Sky/weather.........Mostly cloudy(60-65%). Chance of thunderstorms
until 2400, then slight chance of
thunderstorms.
Chance of thunder...30 percent.
Min Temperature.....56-60.
24 hr trend......Little change.
Max Humidity........96-99%.
24 hr trend......Little change.
20-foot winds.......Southeast winds 6-13 mph. Gusts up to 20 mph in
the evening.
CWR.................30 percent decreasing to 10 percent after
midnight.
15K FT MSL winds....West 20-30 mph.
Mixing height.......1500-2500 ft AGL until 2400, then Below 1000 FT
AGL.
Transport winds.....Southeast 10-15 mph until 2400, then south.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy(50-60%) until 0900, then partly
cloudy(35-45%) until 1200, then mostly
cloudy(55-60%). Patchy fog until 0700. Chance
of rain showers and slight chance of
thunderstorms after 1200 until 1500, then
chance of thunderstorms.
Chance of thunder...40 percent.
Max Temperature.....81-85.
24 hr trend......2-4 degrees warmer.
Min Humidity........36-44%.
24 hr trend......10-15% drier.
20-foot winds.......Southwest winds 6-10 mph until 1200, then
northwest 4-13 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 0700, then 7000-8000 ft
AGL.
Transport winds.....Southwest around 10 mph until 1100, then
northwest.
Smoke dispersal.....Poor until 1500, then fair.
.FRIDAY NIGHT...
Sky/weather.........Mostly cloudy until 2400, then partly
cloudy(40-50%). Chance of thunderstorms until
2400, then slight chance of thunderstorms.
Chance of thunder...40 percent.
Min Temperature.....54-58.
24 hr trend......Little change.
Max Humidity........91-100%.
24 hr trend......Little change.
20-foot winds.......South winds 4-13 mph until 2400, then west.
CWR.................30 percent decreasing to 10 percent after
midnight.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......3000-4000 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....West around 10 mph until 2000. Northwest after
0300.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy(40-50%) until 0900, then mostly
cloudy(55-60%). 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...40 percent.
Max Temperature.....75-79.
24 hr trend......4-7 degrees cooler.
Min Humidity........47-55%.
24 hr trend......10-15% wetter.
20-foot winds.......North winds 7-14 mph with gusts to around 20
mph.
CWR.................10 percent increasing to 40 percent in the
afternoon.
15K FT MSL winds....West 15-25 mph.
Mixing height.......Below 1000 FT AGL until 0700, then 5000-6000 ft
AGL.
Transport winds.....North around 10 mph.
Smoke dispersal.....Poor until 1400, then fair.
.SATURDAY NIGHT...Partly cloudy. Chance of thunderstorms. Lows in
the lower 50s. Northwest winds 4-9 mph.
.SUNDAY...Mostly clear. Highs in the upper 70s. North winds
4-13 mph.
.LABOR DAY...Mostly clear. Lows in the lower 50s. Highs around
80. Northeast winds 5-12 mph.
.TUESDAY...Mostly clear. Slight chance of thunderstorms. Lows in
the lower 50s. Highs in the lower 80s. Northwest winds 6-13 mph.
$$
COZ250-291015-
Sedgwick County-
Including Julesburg, Ovid, and Sedgwick
234 PM MDT Thu Aug 28 2025
.TONIGHT...
Sky/weather.........Mostly cloudy(60-65%). Slight chance of
thunderstorms until 2400. Patchy fog after
0500.
Chance of thunder...20 percent.
Min Temperature.....55-59.
24 hr trend......Little change.
Max Humidity........100%.
24 hr trend......Little change.
20-foot winds.......South winds 6-12 mph.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....Northwest 15-25 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....South 10-15 mph.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy(50-60%). Patchy fog until 0800.
Chance of rain showers and slight chance of
thunderstorms after 1200 until 1500, then
chance of thunderstorms.
Chance of thunder...30 percent.
Max Temperature.....79-83.
24 hr trend......2-4 degrees warmer.
Min Humidity........44-52%.
24 hr trend......4-7% drier.
20-foot winds.......Southwest winds 5-13 mph.
CWR.................0 percent increasing to 10 percent in the
afternoon.
15K FT MSL winds....West 20-30 mph.
Mixing height.......7000-8000 ft AGL.
Transport winds.....South 10-15 mph until 1200, then west.
Smoke dispersal.....Poor until 1500, then good.
.FRIDAY NIGHT...
Sky/weather.........Mostly cloudy until 2400, then partly
cloudy(40-50%). Rain showers likely and chance
of thunderstorms until 2400, then slight chance
of rain showers.
Chance of thunder...30 percent.
Min Temperature.....54-58.
24 hr trend......Little change.
Max Humidity........100%.
24 hr trend......Little change.
20-foot winds.......Southeast winds 4-8 mph until 2400, then
northwest.
CWR.................30 percent decreasing to 10 percent after
midnight.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......1500-2500 ft AGL until 0100, then Below 1000 FT
AGL until 0300, then 1000 ft AGL.
Transport winds.....North around 10 mph until 1900, then southeast
until 0100, then north.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy(40-50%) until 1200, then mostly
cloudy(50-60%). Slight chance of rain showers
until 1200, then chance of rain showers until
1500, then chance of thunderstorms.
Chance of thunder...30 percent.
Max Temperature.....75-79.
24 hr trend......2-4 degrees cooler.
Min Humidity........50-54%.
24 hr trend......Little change.
20-foot winds.......North winds 7-13 mph. Gusts up to 20 mph in the
afternoon.
CWR.................10 percent.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......6000-7000 ft AGL.
Transport winds.....North 10-15 mph.
Smoke dispersal.....Poor until 1400, then fair.
.SATURDAY NIGHT...Partly cloudy. Chance of thunderstorms. Lows in
the lower 50s. North winds 4-13 mph.
.SUNDAY...Mostly clear. Highs in the upper 70s. North winds
4-12 mph.
.LABOR DAY...Mostly clear. Lows in the lower 50s. Highs in the
upper 70s. North winds 4-12 mph.
.TUESDAY...Mostly clear. Slight chance of thunderstorms. Lows in
the lower 50s. Highs in the lower 80s. Northwest winds 4-13 mph.
$$
COZ251-291015-
Phillips County-
Including Amherst, Haxtun, and Holyoke
234 PM MDT Thu Aug 28 2025
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of thunderstorms
until 2400. Patchy fog after 0400.
Chance of thunder...20 percent.
Min Temperature.....55-59.
24 hr trend......Little change.
Max Humidity........100%.
24 hr trend......Little change.
20-foot winds.......South winds 5-13 mph.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....Northwest 15-25 mph.
Mixing height.......1500-2500 ft AGL until 2400, then Below 1000 FT
AGL until 0300, then 1000 ft AGL until 0400,
then Below 1000 FT AGL.
Transport winds.....South 10-15 mph.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy(55-60%). Patchy fog until 0800.
Chance of rain showers and slight chance of
thunderstorms after 1200 until 1500, then
chance of thunderstorms.
Chance of thunder...30 percent.
Max Temperature.....79-83.
24 hr trend......4-7 degrees warmer.
Min Humidity........45-53%.
24 hr trend......10-15% drier.
20-foot winds.......South winds 5-13 mph.
CWR.................0 percent increasing to 10 percent in the
afternoon.
15K FT MSL winds....West 20-30 mph.
Mixing height.......6000-7000 ft AGL.
Transport winds.....South around 10 mph until 1300, then west.
Smoke dispersal.....Poor until 1500, then fair.
.FRIDAY NIGHT...
Sky/weather.........Mostly cloudy until 2400, then partly
cloudy(40-50%). Rain showers likely and chance
of thunderstorms until 2400, then slight chance
of rain showers.
Chance of thunder...40 percent.
Min Temperature.....54-58.
24 hr trend......Little change.
Max Humidity........100%.
24 hr trend......Little change.
20-foot winds.......South winds 4-9 mph until 2400, then west 4-8
mph.
CWR.................40 percent decreasing to 10 percent after
midnight.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......2000-3000 ft AGL until 2100, then Below 1000 FT
AGL until 2200, then 1000 ft AGL until 0100,
then Below 1000 FT AGL.
Transport winds.....Southeast 10-15 mph until 0100, then west until
0500, then northwest.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy(40-50%) until 1200, then mostly
cloudy(50-60%). Slight chance of rain showers
until 1200, then chance of rain showers until
1500, then chance of thunderstorms.
Chance of thunder...30 percent.
Max Temperature.....75-79.
24 hr trend......4-7 degrees cooler.
Min Humidity........52-58%.
24 hr trend......4-7% wetter.
20-foot winds.......North winds 6-12 mph with gusts to around 20
mph.
CWR.................10 percent.
15K FT MSL winds....Northwest 15-25 mph.
Mixing height.......Below 1000 FT AGL until 0700, then 5500-6500 ft
AGL.
Transport winds.....North 10-15 mph.
Smoke dispersal.....Poor.
.SATURDAY NIGHT...Partly cloudy. Chance of thunderstorms. Lows in
the lower 50s. Northwest winds 4-12 mph.
.SUNDAY...Mostly clear. Highs in the upper 70s. North winds
4-12 mph.
.LABOR DAY...Mostly clear. Lows in the lower 50s. Highs in the
upper 70s. North winds 4-12 mph.
.TUESDAY...Mostly clear. Slight chance of thunderstorms. Lows in
the lower 50s. Highs in the lower 80s. Northwest winds 4-13 mph.
$$
COZ246-291015-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County-
Including Agate, Hugo, Limon, and Matheson
234 PM MDT Thu Aug 28 2025
.TONIGHT...
Sky/weather.........Mostly cloudy(60-65%). Chance of thunderstorms
until 2400, then slight chance of thunderstorms
until 0300. Chance of rain showers after 2400.
Chance of thunder...40 percent.
Min Temperature.....54-58.
24 hr trend......Little change.
Max Humidity........96-99%.
24 hr trend......Little change.
20-foot winds.......South winds 5-12 mph.
CWR.................50 percent decreasing to 10 percent after
midnight.
15K FT MSL winds....West 20-30 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....South 10-15 mph until 0500, then southwest.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy(50-60%) until 1200, then mostly
cloudy. Patchy fog until 0800. Slight chance of
rain showers after 0900 until 1200, then chance
of rain showers and slight chance of
thunderstorms until 1500, then chance of
thunderstorms.
Chance of thunder...50 percent.
Max Temperature.....77-81.
24 hr trend......Little change.
Min Humidity........38-48%.
24 hr trend......2-4% drier.
20-foot winds.......Southwest winds 6-12 mph until 1200, then north
4-8 mph.
CWR.................0 percent increasing to 20 percent in the
afternoon.
15K FT MSL winds....West 20-30 mph.
Mixing height.......5000-6000 ft AGL.
Transport winds.....Southwest 10-15 mph until 1200, then northwest.
Smoke dispersal.....Poor.
.FRIDAY NIGHT...
Sky/weather.........Mostly cloudy(60-65%). Chance of thunderstorms
until 2100, then slight chance of thunderstorms
until 0300. Chance of rain showers after 2100.
Chance of thunder...40 percent.
Min Temperature.....53-57.
24 hr trend......Little change.
Max Humidity........89-99%.
24 hr trend......Little change.
20-foot winds.......West winds 5-13 mph.
CWR.................20 percent decreasing to 10 percent after
midnight.
15K FT MSL winds....West 20-30 mph.
Mixing height.......2500-3500 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....North around 10 mph until 1900, then west until
2200, then light until 2300, then west around
10 mph until 0500, then northwest.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy(40-50%) until 0900, 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.....74-78.
24 hr trend......2-4 degrees cooler.
Min Humidity........43-51%.
24 hr trend......4-7% wetter.
20-foot winds.......North winds 6-13 mph. Gusts up to 20 mph in the
afternoon.
CWR.................10 percent increasing to 50 percent in the
afternoon.
15K FT MSL winds....West 15-20 mph.
Mixing height.......Below 1000 FT AGL until 0700, then 5500-6500 ft
AGL.
Transport winds.....North 10-15 mph.
Smoke dispersal.....Poor until 1500, then fair.
.SATURDAY NIGHT...Partly cloudy. Chance of thunderstorms. Lows in
the lower 50s. Northwest winds 4-8 mph.
.SUNDAY...Mostly clear. Highs in the upper 70s. Northeast winds
4-8 mph.
.LABOR DAY...Mostly clear. Lows in the lower 50s. Highs in the
upper 70s. North winds 4-9 mph.
.TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the
lower 80s. Northwest winds 5-12 mph.
$$
COZ247-291015-
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Including Forder, Karval, Kutch, and Punkin Center
234 PM MDT Thu Aug 28 2025
.TONIGHT...
Sky/weather.........Mostly cloudy. Chance of thunderstorms until
2400, then chance of rain showers and slight
chance of thunderstorms.
Chance of thunder...50 percent.
Min Temperature.....54-58.
24 hr trend......Little change.
Max Humidity........100%.
24 hr trend......Little change.
20-foot winds.......Southeast winds 4-12 mph.
CWR.................40 percent.
15K FT MSL winds....West 20-30 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....Southeast around 10 mph until 0300, then south.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy(60-65%). Patchy fog until 0800.
Slight chance of rain showers after 0900 until
1200, then chance of rain showers and slight
chance of thunderstorms until 1500, then chance
of thunderstorms.
Chance of thunder...50 percent.
Max Temperature.....77-81.
24 hr trend......Little change.
Min Humidity........47-53%.
24 hr trend......Little change.
20-foot winds.......South winds 4-9 mph.
CWR.................0 percent increasing to 20 percent in the
afternoon.
15K FT MSL winds....West 25-35 mph.
Mixing height.......4000-5000 ft AGL.
Transport winds.....Southwest around 10 mph until 1200, then light
until 1500, then east around 10 mph until 1600,
then north.
Smoke dispersal.....Poor.
.FRIDAY NIGHT...
Sky/weather.........Mostly cloudy(60-65%). 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.....53-57.
24 hr trend......Little change.
Max Humidity........98-100%.
24 hr trend......Little change.
20-foot winds.......Northwest winds 4-8 mph.
CWR.................30 percent decreasing to 10 percent after
midnight.
15K FT MSL winds....West 20-30 mph.
Mixing height.......1500-2500 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....North around 10 mph until 2200, then light
until 0500, then north around 10 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Partly cloudy(40-50%) until 0900, then mostly
cloudy(60-65%). Chance of rain showers until
1200, then rain showers likely and chance of
thunderstorms.
Chance of thunder...30 percent.
Max Temperature.....75-79.
24 hr trend......Little change.
Min Humidity........44-50%.
24 hr trend......4-7% drier.
20-foot winds.......North winds 6-13 mph.
CWR.................10 percent increasing to 50 percent in the
afternoon.
15K FT MSL winds....Northwest 15-25 mph.
Mixing height.......Below 1000 FT AGL until 0700, then 5500-6500 ft
AGL.
Transport winds.....North around 10 mph until 1700, then northeast.
Smoke dispersal.....Poor until 1500, then fair.
.SATURDAY NIGHT...Partly cloudy. Chance of thunderstorms. Lows in
the lower 50s. North winds 4-9 mph.
.SUNDAY...Mostly clear. Highs in the upper 70s. Northeast winds
4-9 mph.
.LABOR DAY...Mostly clear. Lows in the lower 50s. Highs in the
upper 70s. Northeast winds 4-8 mph.
.TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the
lower 80s. North winds 4-8 mph.
$$
COZ215-291015-
Larimer and Boulder Counties Between 6000 and 9000 Feet-
Including Estes Park, Glendevey, Laramie River Valley, Nederland,
and Red Feather Lakes
234 PM MDT Thu Aug 28 2025
.TONIGHT...
Sky/weather.........Mostly cloudy(60-65%) until 2400, then partly
cloudy(40-50%). Chance of thunderstorms until
2100, then chance of rain showers and slight
chance of thunderstorms until 2400.
Chance of thunder...30 percent.
Min Temperature.....45-55.
24 hr trend......Little change.
Max Humidity........78-88%.
24 hr trend......7-10% drier.
20-foot winds.......
Valleys/lwr slopes...Southwest winds 4-8 mph.
Ridges/upr slopes....West winds 4-8 mph.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....West 20-30 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....Light winds until 0200, then west around 10
mph.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy(50-60%). Chance of thunderstorms
after 1200.
Chance of thunder...40 percent.
Max Temperature.....66-76.
24 hr trend......Little change.
Min Humidity........31-41%.
24 hr trend......20-25% drier.
20-foot winds.......
Valleys/lwr slopes...West winds 4-12 mph. Gusts up to 20 mph in
the afternoon.
Ridges/upr slopes....West winds 4-12 mph. Gusts up to 20 mph in
the afternoon.
CWR.................0 percent increasing to 10 percent in the
afternoon.
15K FT MSL winds....West 15-25 mph.
Mixing height.......7500-8500 ft AGL.
Transport winds.....West 10-15 mph.
Smoke dispersal.....Poor until 1100, then good.
.FRIDAY NIGHT...
Sky/weather.........Mostly cloudy until 2400, then partly
cloudy(40-50%). Chance of thunderstorms until
2100, then chance of rain showers and slight
chance of thunderstorms until 2400, then slight
chance of rain showers.
Chance of thunder...30 percent.
Min Temperature.....43-53.
24 hr trend......2-4 degrees cooler.
Max Humidity........76-86%.
24 hr trend......Little change.
20-foot winds.......
Valleys/lwr slopes...West winds 4-8 mph.
Ridges/upr slopes....West winds 4-8 mph.
CWR.................10 percent.
15K FT MSL winds....Northwest 15-20 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....West 10-15 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy. Chance of rain showers until
1200, then rain showers and chance of
thunderstorms.
Chance of thunder...50 percent.
Max Temperature.....62-72.
24 hr trend......Little change.
Min Humidity........40-50%.
24 hr trend......10-15% wetter.
20-foot winds.......
Valleys/lwr slopes...Northwest winds 4-9 mph.
Ridges/upr slopes....West winds 4-7 mph until 1200, then north
4-8 mph.
CWR.................10 percent increasing to 50 percent in the
afternoon.
15K FT MSL winds....Northwest 15-25 mph.
Mixing height.......6500-7500 ft AGL.
Transport winds.....Northwest around 10 mph until 1700, then north.
Smoke dispersal.....Poor until 1200, then fair.
.SATURDAY NIGHT...Partly cloudy. Slight chance of thunderstorms.
Lows in the mid 40s. Northwest winds 4-7 mph.
.SUNDAY...Mostly clear. Highs around 70. North winds 4-7 mph.
.LABOR DAY...Mostly clear. Lows in the mid 40s. Highs in the
lower 70s. North winds 4-7 mph.
.TUESDAY...Partly cloudy. Slight chance of thunderstorms. Lows in
the upper 40s. Highs in the lower 70s. Northwest winds 4-8 mph.
$$
COZ216-291015-
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
234 PM MDT Thu Aug 28 2025
.TONIGHT...
Sky/weather.........Mostly cloudy until 2400, then partly
cloudy(40-50%). Chance of thunderstorms until
2100, then chance of rain showers and slight
chance of thunderstorms until 2400, then slight
chance of rain showers.
Chance of thunder...40 percent.
Min Temperature.....46-56.
24 hr trend......Little change.
Max Humidity........79-89%.
24 hr trend......7-10% drier.
20-foot winds.......
Valleys/lwr slopes...Southwest winds 4-8 mph.
Ridges/upr slopes....South winds 4-6 mph until 2400, then
southwest 4-8 mph.
CWR.................10 percent.
15K FT MSL winds....West 15-25 mph.
Mixing height.......2000-3000 ft AGL.
Transport winds.....Light winds until 0200, then west around 10
mph.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Partly cloudy(50-60%) until 0900, then mostly
cloudy(60-65%). Slight chance of rain showers
after 0900 until 1200, then rain showers likely
and chance of thunderstorms.
Chance of thunder...50 percent.
Max Temperature.....66-76.
24 hr trend......2-4 degrees warmer.
Min Humidity........36-46%.
24 hr trend......10-15% drier.
20-foot winds.......
Valleys/lwr slopes...West winds 4-7 mph until 1200, then north.
Ridges/upr slopes....West winds 4-7 mph until 1200, then north.
CWR.................0 percent increasing to 30 percent in the
afternoon.
15K FT MSL winds....West 20-30 mph.
Mixing height.......5000-6000 ft AGL.
Transport winds.....West around 10 mph until 0800, then light until
1200, then northwest around 10 mph.
Smoke dispersal.....Poor.
.FRIDAY NIGHT...
Sky/weather.........Mostly cloudy(60-65%). Chance of thunderstorms
until 2100, then slight chance of thunderstorms
until 2400. Chance of rain showers after 2100.
Chance of thunder...30 percent.
Min Temperature.....45-55.
24 hr trend......2-4 degrees cooler.
Max Humidity........75-85%.
24 hr trend......7-10% 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 15-25 mph.
Mixing height.......2000-3000 ft AGL.
Transport winds.....Northwest around 10 mph until 1900, then light
until 2000, then west around 10 mph until 0100,
then light until 0200, then northwest around 10
mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy. Chance of rain showers until
1200, then rain showers with thunderstorms
likely.
Chance of thunder...60 percent.
Max Temperature.....63-73.
24 hr trend......Little change.
Min Humidity........41-51%.
24 hr trend......7-10% wetter.
20-foot winds.......
Valleys/lwr slopes...Northwest winds 4-7 mph until 1200, then
northeast 4-8 mph.
Ridges/upr slopes....Northwest winds 4-7 mph until 1200, then
northeast 4-9 mph.
CWR.................10 percent increasing to 60 percent in the
afternoon.
15K FT MSL winds....West 15-25 mph.
Mixing height.......5500-6500 ft AGL.
Transport winds.....Northwest around 10 mph until 0700, then light
until 1400, then northwest around 10 mph until
1700, then north.
Smoke dispersal.....Poor.
.SATURDAY NIGHT...Partly cloudy. Chance of thunderstorms. Lows in
the upper 40s. Southwest winds 4-7 mph.
.SUNDAY...Partly cloudy. Chance of thunderstorms. Highs around
70. Northeast winds 4-8 mph.
.LABOR DAY...Mostly clear. Slight chance of thunderstorms. Lows
in the upper 40s. Highs in the lower 70s. North winds 4-8 mph.
.TUESDAY...Partly cloudy. Chance of thunderstorms. Lows in the
upper 40s. Highs in the lower 70s. Northwest winds 4-8 mph.
$$
COZ211-291015-
Jackson County Below 9000 Feet-
Including Gould, North Park, Rand, Spicer, and Walden
234 PM MDT Thu Aug 28 2025
.TONIGHT...
Sky/weather.........Mostly cloudy(50-60%) until 2400, then partly
cloudy(35-45%). Slight chance of thunderstorms
until 2100, then slight chance of rain showers
until 2400.
Chance of thunder...20 percent.
Min Temperature.....34-42.
24 hr trend......4-7 degrees cooler.
Max Humidity........94-98%.
24 hr trend......Little change.
20-foot winds.......Southwest winds 4-8 mph.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....West 20-30 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....West 10-15 mph until 2100, then light.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy(60-65%). Chance of thunderstorms
after 1200.
Chance of thunder...30 percent.
Max Temperature.....65-71.
24 hr trend......Little change.
Min Humidity........32-40%.
24 hr trend......4-7% drier.
20-foot winds.......Southwest winds 5-13 mph. Gusts up to 20 mph in
the afternoon.
CWR.................0 percent increasing to 10 percent in the
afternoon.
15K FT MSL winds....West 15-25 mph.
Mixing height.......6500-7500 ft AGL.
Transport winds.....Light winds until 0900, then west 10-15 mph.
Smoke dispersal.....Poor until 1100, then good.
.FRIDAY NIGHT...
Sky/weather.........Mostly cloudy until 2400, then partly
cloudy(50-60%). Chance of thunderstorms until
2100, then chance of rain showers.
Chance of thunder...30 percent.
Min Temperature.....32-40.
24 hr trend......Little change.
Max Humidity........90-100%.
24 hr trend......Little change.
20-foot winds.......Southwest winds 4-8 mph. Gusts up to 20 mph in
the evening.
CWR.................10 percent.
15K FT MSL winds....Northwest around 15 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....Southwest 10-15 mph until 2200, then light.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy. Chance of rain showers until
1200, then rain showers likely and chance of
thunderstorms.
Chance of thunder...50 percent.
Max Temperature.....64-70.
24 hr trend......Little change.
Min Humidity........34-40%.
24 hr trend......Little change.
20-foot winds.......Southwest winds 4-7 mph until 1200, then
northwest 8-14 mph with gusts to around 20 mph.
CWR.................10 percent increasing to 20 percent in the
afternoon.
15K FT MSL winds....Northwest 15-20 mph.
Mixing height.......4000-5000 ft AGL until 1200, then 7500-8500 ft
AGL.
Transport winds.....Light winds until 1000, then northwest 10-15
mph.
Smoke dispersal.....Poor until 1200, then good.
.SATURDAY NIGHT...Mostly clear. Lows in the mid 30s. East winds
4-7 mph.
.SUNDAY...Mostly clear. Highs around 70. North winds 4-8 mph.
.LABOR DAY...Mostly clear. Lows in the mid 30s. Highs in the
lower 70s. Northeast winds 4-8 mph.
.TUESDAY...Partly cloudy. Slight chance of thunderstorms. Lows in
the mid 30s. Highs in the lower 70s. East winds 4-8 mph.
$$
COZ213-291015-
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
234 PM MDT Thu Aug 28 2025
.TONIGHT...
Sky/weather.........Mostly cloudy(55-60%) until 2400, then partly
cloudy(40-50%). Slight chance of thunderstorms
until 2100. Slight chance of rain showers after
2100.
Chance of thunder...20 percent.
Min Temperature.....38-46.
24 hr trend......Little change.
Max Humidity........86-96%.
24 hr trend......Little change.
20-foot winds.......Southwest winds 4-6 mph.
CWR.................10 percent.
15K FT MSL winds....West 20-30 mph.
Mixing height.......2000-3000 ft AGL.
Transport winds.....West around 10 mph until 1900, then light.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy. Slight chance of thunderstorms
after 0900 until 1200, then chance of
thunderstorms.
Chance of thunder...40 percent.
Max Temperature.....63-69.
24 hr trend......Little change.
Min Humidity........41-51%.
24 hr trend......Little change.
20-foot winds.......West winds 4-12 mph.
CWR.................0 percent increasing to 20 percent in the
afternoon.
15K FT MSL winds....West 15-25 mph.
Mixing height.......5000-6000 ft AGL.
Transport winds.....Light winds until 1100, then west 10-15 mph.
Smoke dispersal.....Poor until 1200, then fair.
.FRIDAY NIGHT...
Sky/weather.........Mostly cloudy. Chance of thunderstorms until
2100, then chance of rain showers.
Chance of thunder...30 percent.
Min Temperature.....35-45.
24 hr trend......2-4 degrees cooler.
Max Humidity........88-98%.
24 hr trend......Little change.
20-foot winds.......West winds 4-6 mph until 2400, then south 4-8
mph.
CWR.................10 percent.
15K FT MSL winds....Northwest 15-25 mph.
Mixing height.......2000-3000 ft AGL.
Transport winds.....West around 10 mph until 1900, then light.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy. Chance of rain showers until
1200, then chance of thunderstorms.
Chance of thunder...50 percent.
Max Temperature.....63-71.
24 hr trend......Little change.
Min Humidity........30-40%.
24 hr trend......10-15% drier.
20-foot winds.......West winds 4-12 mph. Gusts up to 20 mph in the
afternoon.
CWR.................10 percent.
15K FT MSL winds....Northwest 15-20 mph.
Mixing height.......7500-8500 ft AGL.
Transport winds.....Light winds until 1200, then northwest 10-15
mph.
Smoke dispersal.....Poor until 1200, then good.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 30s. East winds
4-6 mph.
.SUNDAY...Mostly clear. Highs around 70. North winds 4-7 mph.
.LABOR DAY...Mostly clear. Lows in the upper 30s. Highs in the
lower 70s. Northeast winds 4-7 mph.
.TUESDAY...Mostly clear. Lows in the upper 30s. Highs in the
lower 70s. Northeast winds 4-7 mph.
$$
COZ214-291015-
Central and Southeast Park County-
Including Eleven Mile Canyon Reservoir, Fairplay, Guffey,
Hartsel, Lake George, and South Park
234 PM MDT Thu Aug 28 2025
.TONIGHT...
Sky/weather.........Mostly cloudy(60-65%). Chance of thunderstorms
until 2100, then chance of rain showers and
slight chance of thunderstorms until 2400, then
slight chance of rain showers.
Chance of thunder...40 percent.
Min Temperature.....43-49.
24 hr trend......Little change.
Max Humidity........85-95%.
24 hr trend......4-7% drier.
20-foot winds.......
Valleys/lwr slopes...Southeast winds 4-7 mph until 2400, then
southwest 4-6 mph.
Ridges/upr slopes....Southeast winds 4-8 mph until 2400, then
southwest 4-7 mph.
CWR.................20 percent decreasing to 10 percent after
midnight.
15K FT MSL winds....West 15-25 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....Southwest around 10 mph until 1900, then
southeast until 2300, then light.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy(60-65%). Chance of rain showers
and slight chance of thunderstorms until 1200,
then thunderstorms likely.
Chance of thunder...60 percent.
Max Temperature.....62-70.
24 hr trend......Little change.
Min Humidity........39-47%.
24 hr trend......Little change.
20-foot winds.......
Valleys/lwr slopes...West winds 5-13 mph.
Ridges/upr slopes....West winds 5-13 mph.
CWR.................10 percent increasing to 30 percent in the
afternoon.
15K FT MSL winds....West 20-30 mph.
Mixing height.......5500-6500 ft AGL.
Transport winds.....Light winds until 0900, then west 10-15 mph.
Smoke dispersal.....Poor until 1300, then fair.
.FRIDAY NIGHT...
Sky/weather.........Mostly cloudy(60-65%). Chance of thunderstorms
until 2100, then slight chance of thunderstorms
until 2400. Chance of rain showers after 2100.
Chance of thunder...40 percent.
Min Temperature.....41-47.
24 hr trend......Little change.
Max Humidity........82-92%.
24 hr trend......4-7% drier.
20-foot winds.......
Valleys/lwr slopes...Northwest winds 4-8 mph.
Ridges/upr slopes....Northwest winds 4-8 mph.
CWR.................10 percent.
15K FT MSL winds....West 15-25 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....North around 10 mph until 2400, then light.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy. Chance of rain showers until
1200, then rain showers with thunderstorms
likely.
Chance of thunder...60 percent.
Max Temperature.....60-68.
24 hr trend......Little change.
Min Humidity........38-46%.
24 hr trend......Little change.
20-foot winds.......
Valleys/lwr slopes...North winds 5-13 mph. Gusts up to 20 mph
in the afternoon.
Ridges/upr slopes....Northwest winds 4-8 mph until 1200, then
northeast 4-9 mph with gusts to around 20
mph.
CWR.................10 percent increasing to 60 percent in the
afternoon.
15K FT MSL winds....West around 15 mph.
Mixing height.......5500-6500 ft AGL.
Transport winds.....Light winds until 1300. North around 10 mph
after 1700.
Smoke dispersal.....Poor.
.SATURDAY NIGHT...Partly cloudy. Chance of thunderstorms. Lows in
the lower 40s. North winds 4-7 mph.
.SUNDAY...Partly cloudy. Chance of thunderstorms. Highs in the
upper 60s. Southeast winds 4-7 mph.
.LABOR DAY...Partly cloudy. Slight chance of thunderstorms. Lows
in the lower 40s. Highs in the upper 60s. North winds 4-7 mph.
.TUESDAY...Partly cloudy. Chance of thunderstorms. Lows in the
lower 40s. Highs in the upper 60s. North winds 4-8 mph.
$$
COZ218-291015-
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
234 PM MDT Thu Aug 28 2025
.TONIGHT...
Sky/weather.........Mostly cloudy(60-65%) until 2400, then partly
cloudy(40-50%) until 0300, then mostly
cloudy(50-60%). Chance of thunderstorms until
2100, then slight chance of rain showers.
Chance of thunder...30 percent.
Min Temperature.....36-46.
24 hr trend......2-4 degrees warmer.
Max Humidity........83-93%.
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.......1500-2500 ft AGL.
Transport winds.....West around 10 mph until 2000, then light until
0200, then west around 10 mph.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy(60-65%). Chance of thunderstorms
after 1200.
Chance of thunder...40 percent.
Max Temperature.....53-63.
24 hr trend......Little change.
Min Humidity........39-49%.
24 hr trend......4-7% drier.
20-foot winds.......
Valleys/lwr slopes...West winds 5-13 mph.
Ridges/upr slopes....West winds 5-13 mph. Gusts up to 20 mph in
the afternoon.
CWR.................0 percent increasing to 10 percent in the
afternoon.
15K FT MSL winds....West 15-25 mph.
Mixing height.......5000-6000 ft AGL.
Transport winds.....West 10-15 mph.
Smoke dispersal.....Poor until 1100, then fair.
.FRIDAY NIGHT...
Sky/weather.........Mostly cloudy until 2400, then partly
cloudy(40-50%) until 0300, then mostly
cloudy(50-60%). Chance of thunderstorms until
2100, then chance of rain showers.
Chance of thunder...30 percent.
Min Temperature.....34-44.
24 hr trend......7-10 degrees cooler.
Max Humidity........80-90%.
24 hr trend......Little change.
20-foot winds.......
Valleys/lwr slopes...West winds 4-8 mph. Gusts up to 20 mph in
the evening.
Ridges/upr slopes....West winds 4-8 mph.
CWR.................10 percent.
15K FT MSL winds....Northwest around 15 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....West 10-15 mph until 2400, then light.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy. Chance of rain showers until
1200. Slight chance of thunderstorms after 0900
until 1200, then rain showers and chance of
thunderstorms.
Chance of thunder...50 percent.
Max Temperature.....52-62.
24 hr trend......Little change.
Min Humidity........38-48%.
24 hr trend......2-4% drier.
20-foot winds.......
Valleys/lwr slopes...West winds 4-12 mph. Gusts up to 20 mph in
the afternoon.
Ridges/upr slopes....Northwest winds 4-12 mph. Gusts up to 20
mph in the afternoon.
CWR.................10 percent increasing to 40 percent in the
afternoon.
15K FT MSL winds....Northwest 15-25 mph.
Mixing height.......6000-7000 ft AGL.
Transport winds.....Light winds until 0800, then west 10-15 mph.
Smoke dispersal.....Poor until 1200, then fair.
.SATURDAY NIGHT...Partly cloudy. Slight chance of thunderstorms.
Lows in the upper 30s. North winds 4-7 mph.
.SUNDAY...Mostly clear. Highs around 60. North winds 4-8 mph.
.LABOR DAY...Mostly clear. Lows in the upper 30s. Highs in the
lower 60s. North winds 4-8 mph.
.TUESDAY...Partly cloudy. Slight chance of thunderstorms. Lows in
the upper 30s. Highs in the lower 60s. North winds 4-8 mph.
$$
COZ212-291015-
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
234 PM MDT Thu Aug 28 2025
.TONIGHT...
Sky/weather.........Mostly cloudy(55-60%). Chance of thunderstorms
until 2100, then chance of rain showers until
2400, then slight chance of rain showers.
Chance of thunder...30 percent.
Min Temperature.....37-47.
24 hr trend......Little change.
Max Humidity........79-89%.
24 hr trend......4-7% drier.
20-foot winds.......
Valleys/lwr slopes...West winds 4-7 mph.
Ridges/upr slopes....West winds 4-9 mph.
CWR.................10 percent.
15K FT MSL winds....West 15-25 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....West around 10 mph until 2000, then light until
0500, then west around 10 mph.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy. Slight chance of rain showers
until 0900. Chance of rain showers and slight
chance of thunderstorms after 0900 until 1200,
then chance of thunderstorms.
Chance of thunder...50 percent.
Max Temperature.....53-63.
24 hr trend......Little change.
Min Humidity........46-56%.
24 hr trend......Little change.
20-foot winds.......
Valleys/lwr slopes...West winds 4-12 mph.
Ridges/upr slopes....West winds 5-13 mph. Gusts up to 20 mph in
the afternoon.
CWR.................0 percent increasing to 30 percent in the
afternoon.
15K FT MSL winds....West 15-25 mph.
Mixing height.......4500-5500 ft AGL.
Transport winds.....West 10-15 mph.
Smoke dispersal.....Poor.
.FRIDAY NIGHT...
Sky/weather.........Mostly cloudy. Chance of thunderstorms until
2100, then slight chance of thunderstorms until
2400. Chance of rain showers after 2100.
Chance of thunder...30 percent.
Min Temperature.....35-45.
24 hr trend......Little change.
Max Humidity........78-88%.
24 hr trend......Little change.
20-foot winds.......
Valleys/lwr slopes...West winds 4-8 mph. Gusts up to 20 mph in
the evening.
Ridges/upr slopes....West winds 4-8 mph. Gusts up to 20 mph in
the evening.
CWR.................10 percent.
15K FT MSL winds....West 15-25 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....Northwest around 10 mph until 2300, then light.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy. Chance of rain showers until
1200, then rain showers with thunderstorms
likely.
Chance of thunder...60 percent.
Max Temperature.....52-62.
24 hr trend......Little change.
Min Humidity........37-47%.
24 hr trend......2-4% drier.
20-foot winds.......
Valleys/lwr slopes...Northwest winds 4-12 mph. Gusts up to 20
mph in the afternoon.
Ridges/upr slopes....Northwest 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 15-20 mph.
Mixing height.......6500-7500 ft AGL.
Transport winds.....Light winds until 1100, then northwest around
10 mph.
Smoke dispersal.....Poor until 1300, then fair.
.SATURDAY NIGHT...Partly cloudy. Chance of thunderstorms. Lows in
the upper 30s. West winds 4-7 mph.
.SUNDAY...Mostly clear. Slight chance of thunderstorms. Highs
around 60. North winds 4-8 mph.
.LABOR DAY...Mostly clear. Lows in the upper 30s. Highs in the
lower 60s. North winds 4-8 mph.
.TUESDAY...Partly cloudy. Slight chance of thunderstorms. Lows in
the upper 30s. Highs in the lower 60s. Northwest winds 4-8 mph.
$$
COZ217-291015-
West Jackson and West Grand Counties Above 9000 Feet-
Including East Slopes Park and Northern Gore Ranges, Gore Pass,
and Rabbit Ears Pass
234 PM MDT Thu Aug 28 2025
.TONIGHT...
Sky/weather.........Mostly cloudy(55-60%) until 2400, then partly
cloudy(40-50%). Slight chance of thunderstorms
until 2100, then slight chance of rain showers.
Chance of thunder...20 percent.
Min Temperature.....39-47.
24 hr trend......Little change.
Max Humidity........83-93%.
24 hr trend......Little change.
20-foot winds.......
Valleys/lwr slopes...West winds 4-8 mph.
Ridges/upr slopes....West winds 4-8 mph. Gusts up to 20 mph in
the evening.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....West 20-30 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....West 10-15 mph until 2000, then light until
2300, then west around 10 mph until 2400, then
light until 0100, then west around 10 mph until
0200, then light.
Smoke dispersal.....Poor.
.FRIDAY...
Sky/weather.........Mostly cloudy(60-65%). Slight chance of rain
showers until 0900. Slight chance of
thunderstorms after 0900 until 1200, then
chance of thunderstorms.
Chance of thunder...30 percent.
Max Temperature.....56-66.
24 hr trend......Little change.
Min Humidity........39-49%.
24 hr trend......20-25% drier.
20-foot winds.......
Valleys/lwr slopes...West winds 5-13 mph. Gusts up to 20 mph in
the afternoon.
Ridges/upr slopes....West winds 6-14 mph.
CWR.................0 percent increasing to 10 percent in the
afternoon.
15K FT MSL winds....West 15-20 mph.
Mixing height.......6000-7000 ft AGL.
Transport winds.....Light winds until 0900, then west 10-15 mph.
Smoke dispersal.....Poor until 1100, then good.
.FRIDAY NIGHT...
Sky/weather.........Mostly cloudy(60-65%) until 2400, then partly
cloudy(50-60%) until 0300, then mostly
cloudy(50-60%). Chance of thunderstorms until
2100, then chance of rain showers.
Chance of thunder...30 percent.
Min Temperature.....36-44.
24 hr trend......2-4 degrees cooler.
Max Humidity........81-91%.
24 hr trend......Little change.
20-foot winds.......
Valleys/lwr slopes...Southwest winds 4-8 mph. Gusts up to 20
mph in the evening.
Ridges/upr slopes....Southwest winds 4-8 mph. Gusts up to 20
mph in the evening.
CWR.................10 percent.
15K FT MSL winds....Northwest around 15 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....West 10-15 mph until 2300, 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...50 percent.
Max Temperature.....56-66.
24 hr trend......Little change.
Min Humidity........33-43%.
24 hr trend......7-10% wetter.
20-foot winds.......
Valleys/lwr slopes...Southwest winds 4-7 mph until 1200, then
northwest 7-14 mph with gusts to around 20
mph.
Ridges/upr slopes....West winds 5-13 mph. Gusts up to 20 mph in
the afternoon.
CWR.................10 percent.
15K FT MSL winds....Northwest 15-20 mph.
Mixing height.......6500-7500 ft AGL.
Transport winds.....Light winds until 1000, then northwest 10-15
mph.
Smoke dispersal.....Poor until 1200, then good.
.SATURDAY NIGHT...Mostly clear. Lows in the upper 30s. Northeast
winds 4-7 mph.
.SUNDAY...Mostly clear. Highs in the mid 60s. North winds
4-8 mph.
.LABOR DAY...Mostly clear. Lows in the upper 30s. Highs in the
upper 60s. Northeast winds 4-8 mph.
.TUESDAY...Partly cloudy. Lows in the lower 40s. Highs in the
upper 60s. Northeast winds 4-8 mph.
$$
.Outlook 6 to 10 Days...
Temperatures Below Normal and Precipitation Above Normal.
$$