Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Denver/Boulder, CO
Issued by NWS Denver/Boulder, CO
142
FNUS55 KBOU 292035
FWFBOU
Fire Weather Forecast for Northeast and North Central Colorado
National Weather Service Denver/Boulder CO
235 PM MDT Fri Aug 29 2025
.DISCUSSION...Tonight and Saturday...
There will be scattered showers and storms for much of the day
Saturday. Winds will be on the lighter side and relative humidity
will stay above 35 percent. No critical fire weather conditions
are expected.
LONG TERM DISCUSSION...Saturday night through Wednesday...
The long term period will dry out but will remain cool. This will
keep fire weather conditions on the lower side. Each day will have
relative humidity staying above 25 percent. Smoke dispersal will
generally be very good.
...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...
COZ238-301015-
Larimer County Below 6000 Feet/Northwest Weld County-
Including Fort Collins, Hereford, Loveland, Nunn,
and West Pawnee Grasslands
235 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of thunderstorms
until 2400. Chance of rain showers.
Chance of thunder...20 percent.
Min Temperature.....51-55.
24 hr trend......Little change.
Max Humidity........91-100%.
24 hr trend......Little change.
20-foot winds.......Northwest winds 5-13 mph.
CWR.................10 percent.
15K FT MSL winds....West 15-20 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....Northwest 10-15 mph.
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.....74-78.
24 hr trend......4-7 degrees cooler.
Min Humidity........42-52%.
24 hr trend......10-15% wetter.
20-foot winds.......North winds 4-12 mph.
CWR.................10 percent increasing to 30 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 10-15 mph.
Smoke dispersal.....Poor until 1100, then good.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy(30-40%). Slight chance of
thunderstorms until 2100, then slight chance of
rain showers until 2400.
Chance of thunder...20 percent.
Min Temperature.....47-51.
24 hr trend......4-7 degrees cooler.
Max Humidity........88-98%.
24 hr trend......Little change.
20-foot winds.......Northwest winds 4-9 mph. Gusts up to 20 mph in
the evening.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......2000-3000 ft AGL until 2100, then Below 1000 FT
AGL.
Transport winds.....Northwest around 10 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max Temperature.....77-81.
24 hr trend......2-4 degrees warmer.
Min Humidity........25-31%.
24 hr trend......15-20% drier.
20-foot winds.......North winds 5-13 mph. Gusts up to 25 mph in the
afternoon.
CWR.................0 percent.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......Below 1000 FT AGL until 0700, then 8000-9000 ft
AGL.
Transport winds.....North 10-15 mph.
Smoke dispersal.....Poor until 1100. Very good after 1400.
.SUNDAY NIGHT...Mostly clear. Lows around 50. North winds
4-8 mph.
.LABOR DAY...Mostly clear. Highs in the lower 80s. North winds
5-12 mph.
.TUESDAY...Mostly clear. Lows in the lower 50s. Highs around 80.
North winds 4-9 mph.
.WEDNESDAY...Partly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows in the lower 50s. Highs in the mid
70s. North winds 6-13 mph.
$$
COZ239-301015-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield
County-
Including Arvada, Boulder, Golden, Lakewood, and Longmont
235 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Mostly cloudy. Rain showers likely and chance
of thunderstorms until 2400, then chance of
rain showers.
Chance of thunder...40 percent.
Min Temperature.....53-57.
24 hr trend......Little change.
Max Humidity........87-97%.
24 hr trend......20-25% wetter.
20-foot winds.......West winds 4-8 mph.
CWR.................30 percent decreasing to 10 percent after
midnight.
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 chance of thunderstorms.
Chance of thunder...50 percent.
Max Temperature.....74-78.
24 hr trend......2-4 degrees cooler.
Min Humidity........44-54%.
24 hr trend......10-15% wetter.
20-foot winds.......Northeast winds 4-8 mph.
CWR.................10 percent increasing to 30 percent in the
afternoon.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......4500-5500 ft AGL.
Transport winds.....Light winds until 1000. North around 10 mph
after 1200.
Smoke dispersal.....Poor.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
until 2100, then slight chance of rain showers
until 2400.
Chance of thunder...20 percent.
Min Temperature.....49-53.
24 hr trend......4-7 degrees cooler.
Max Humidity........80-90%.
24 hr trend......7-10% drier.
20-foot winds.......West winds 4-7 mph.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....Light winds.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max Temperature.....76-80.
24 hr trend......Little change.
Min Humidity........31-35%.
24 hr trend......15-20% drier.
20-foot winds.......Northwest winds 4-6 mph until 1200, then
northeast 4-9 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......7000-8000 ft AGL.
Transport winds.....Light winds until 1100, then north around 10
mph.
Smoke dispersal.....Poor until 1200, then fair.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s. West winds
4-7 mph.
.LABOR DAY...Mostly clear. Highs in the lower 80s. North winds
4-8 mph.
.TUESDAY...Mostly clear. Lows in the lower 50s. Highs around 80.
North winds 4-7 mph.
.WEDNESDAY...Partly cloudy. Chance of thunderstorms. Lows in the
lower 50s. Highs in the upper 70s. North winds 4-8 mph.
$$
COZ240-301015-
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
235 PM MDT Fri Aug 29 2025
.TONIGHT...
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...40 percent.
Min Temperature.....55-59.
24 hr trend......Little change.
Max Humidity........85-95%.
24 hr trend......10-15% wetter.
20-foot winds.......West winds 4-9 mph.
CWR.................30 percent decreasing to 10 percent after
midnight.
15K FT MSL winds....West 15-20 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....West around 10 mph until 2000, then northwest
until 0200, then light until 0400, then north
around 10 mph until 0500, 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.....76-80.
24 hr trend......2-4 degrees cooler.
Min Humidity........38-44%.
24 hr trend......4-7% wetter.
20-foot winds.......North winds 5-13 mph.
CWR.................10 percent increasing to 30 percent in the
afternoon.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......5500-6500 ft AGL.
Transport winds.....Light winds until 1000, then north 10-15 mph.
Smoke dispersal.....Poor until 1200, then fair.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
until 2100, then slight chance of rain showers
until 2400.
Chance of thunder...20 percent.
Min Temperature.....51-55.
24 hr trend......2-4 degrees cooler.
Max Humidity........80-90%.
24 hr trend......4-7% drier.
20-foot winds.......Northwest winds 4-8 mph with gusts to around 20
mph until 2400, then southwest 4-6 mph.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......1500-2500 ft AGL until 2200, then Below 1000 FT
AGL.
Transport winds.....North around 10 mph until 2100, then light.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max Temperature.....77-81.
24 hr trend......Little change.
Min Humidity........27-31%.
24 hr trend......10-15% drier.
20-foot winds.......West winds 4-7 mph until 1200, then northeast
4-9 mph with gusts to around 20 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......Below 1000 FT AGL until 0700, then 6500-7500 ft
AGL.
Transport winds.....Light winds until 1100, then north 10-15 mph.
Smoke dispersal.....Poor until 1200, then good.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. Southeast
winds 4-8 mph.
.LABOR DAY...Mostly clear. Highs in the lower 80s. North winds
4-8 mph.
.TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the lower
80s. Northwest winds 4-8 mph.
.WEDNESDAY...Partly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows in the mid 50s. Highs in the upper
70s. Northeast winds 4-9 mph.
$$
COZ241-301015-
Elbert/Central and East Douglas Counties Above 6000 Feet-
Including Castle Rock, Elbert, Fondis, Kiowa, and Larkspur
235 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Mostly cloudy. Rain showers likely and chance
of thunderstorms until 2400, then chance of
rain showers.
Chance of thunder...50 percent.
Min Temperature.....51-55.
24 hr trend......2-4 degrees cooler.
Max Humidity........91-100%.
24 hr trend......4-7% drier.
20-foot winds.......West winds 4-9 mph.
CWR.................40 percent decreasing to 10 percent after
midnight.
15K FT MSL winds....West 15-20 mph.
Mixing height.......1500-2500 ft AGL until 0400, then Below 1000 FT
AGL until 0500, then 1000 ft AGL.
Transport winds.....Southeast around 10 mph until 1900, then light
until 2000, then 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.
Chance of thunder...50 percent.
Max Temperature.....72-76.
24 hr trend......2-4 degrees cooler.
Min Humidity........44-50%.
24 hr trend......2-4% wetter.
20-foot winds.......North winds 5-12 mph.
CWR.................10 percent increasing to 30 percent in the
afternoon.
15K FT MSL winds....Northwest 15-25 mph.
Mixing height.......5000-6000 ft AGL.
Transport winds.....North 10-15 mph.
Smoke dispersal.....Poor until 1200, then fair.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy(30-40%) until 0300, then clear.
Chance of thunderstorms until 2100, then chance
of rain showers until 2400.
Chance of thunder...30 percent.
Min Temperature.....47-51.
24 hr trend......2-4 degrees cooler.
Max Humidity........86-96%.
24 hr trend......4-7% drier.
20-foot winds.......Northwest winds 4-8 mph with gusts to around 20
mph until 2400, then west.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......2500-3500 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....North 10-15 mph until 2200. Light after 0100.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max Temperature.....73-77.
24 hr trend......Little change.
Min Humidity........32-36%.
24 hr trend......10-15% drier.
20-foot winds.......Northwest winds 4-8 mph until 1200, then north
6-10 mph with gusts to around 20 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......Below 1000 FT AGL until 0700, then 6500-7500 ft
AGL.
Transport winds.....Light winds until 0700, then northwest 10-15
mph until 1700, then north.
Smoke dispersal.....Poor until 1200, then good.
.SUNDAY NIGHT...Mostly clear. Lows around 50. South winds
4-8 mph.
.LABOR DAY...Mostly clear. Highs in the upper 70s. North winds
4-9 mph.
.TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the
upper 70s. Northwest winds 4-9 mph.
.WEDNESDAY...Partly cloudy. Chance of thunderstorms. Lows in the
lower 50s. Highs in the mid 70s. North winds 5-12 mph.
$$
COZ242-301015-
Northeast Weld County-
Including Briggsdale, East Pawnee Grasslands, Grover,
Pawnee Buttes, Raymer, and Stoneham
235 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Mostly cloudy. 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.....53-57.
24 hr trend......Little change.
Max Humidity........100%.
24 hr trend......Little change.
20-foot winds.......North winds 6-12 mph.
CWR.................30 percent.
15K FT MSL winds....West 15-20 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....North 10-15 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy(60-65%). Slight chance of
thunderstorms until 0900, then slight chance of
rain showers until 1200, then chance of
thunderstorms.
Chance of thunder...50 percent.
Max Temperature.....75-79.
24 hr trend......4-7 degrees cooler.
Min Humidity........43-47%.
24 hr trend......10-15% wetter.
20-foot winds.......North winds 6-13 mph. Gusts up to 20 mph in the
afternoon.
CWR.................10 percent increasing to 20 percent in the
afternoon.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......5000-6000 ft AGL.
Transport winds.....North 10-15 mph.
Smoke dispersal.....Poor until 1100, then good.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
until 2100, then slight chance of rain showers
until 2400.
Chance of thunder...20 percent.
Min Temperature.....48-52.
24 hr trend......4-7 degrees cooler.
Max Humidity........100%.
24 hr trend......Little change.
20-foot winds.......Northwest winds 4-12 mph. Gusts up to 20 mph in
the evening.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....Northwest 30-40 mph.
Mixing height.......2000-3000 ft AGL until 2100, then Below 1000 FT
AGL.
Transport winds.....North 10-15 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max Temperature.....77-81.
24 hr trend......Little change.
Min Humidity........26-34%.
24 hr trend......15-20% drier.
20-foot winds.......North winds 5-13 mph. Gusts up to 25 mph in the
afternoon.
CWR.................0 percent.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......Below 1000 FT AGL until 0700, then 7500-8500 ft
AGL.
Transport winds.....North 10-15 mph until 1500, then 15-20 mph.
Smoke dispersal.....Poor until 1100. Very good after 1400.
.SUNDAY NIGHT...Clear. Lows around 50. North winds 4-8 mph.
.LABOR DAY...Clear. Highs in the lower 80s. North winds 6-13 mph.
.TUESDAY...Mostly clear. Lows around 50. Highs in the lower 80s.
North winds 5-12 mph.
.WEDNESDAY...Partly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows in the lower 50s. Highs in the mid
70s. Northeast winds 7-14 mph.
$$
COZ243-301015-
Central and South Weld County-
Including Eaton, Fort Lupton, Greeley, and Roggen
235 PM MDT Fri Aug 29 2025
.TONIGHT...
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.....52-56.
24 hr trend......Little change.
Max Humidity........100%.
24 hr trend......Little change.
20-foot winds.......Northwest winds 5-13 mph.
CWR.................20 percent decreasing to 10 percent after
midnight.
15K FT MSL winds....West 15-20 mph.
Mixing height.......2000-3000 ft AGL until 2100, then Below 1000 FT
AGL until 2400, then 1000 ft AGL until 0100,
then Below 1000 FT AGL until 0200, then 1000 ft
AGL.
Transport winds.....Northwest 10-15 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy(55-60%). Slight chance of rain
showers until 1200, then chance of
thunderstorms.
Chance of thunder...50 percent.
Max Temperature.....76-80.
24 hr trend......4-7 degrees cooler.
Min Humidity........44-52%.
24 hr trend......10-15% wetter.
20-foot winds.......North winds 4-12 mph.
CWR.................10 percent increasing to 30 percent in the
afternoon.
15K FT MSL winds....Northwest 20-30 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 0700, then light
until 0900, then north around 10 mph.
Smoke dispersal.....Poor until 1200, then fair.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy. Slight chance of thunderstorms
until 2100, then slight chance of rain showers
until 2400.
Chance of thunder...20 percent.
Min Temperature.....48-52.
24 hr trend......2-4 degrees cooler.
Max Humidity........96-99%.
24 hr trend......Little change.
20-foot winds.......Northwest 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....Northwest 25-35 mph.
Mixing height.......1500-2000 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....North around 10 mph until 2000, then light
until 2300, then northwest around 10 mph until
0100, then light.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max Temperature.....78-82.
24 hr trend......Little change.
Min Humidity........29-33%.
24 hr trend......10-15% drier.
20-foot winds.......Northwest winds 4-7 mph until 1200, then north
4-9 mph with gusts to around 20 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 8000-9000 ft
AGL.
Transport winds.....Light winds until 1100, then north 10-15 mph.
Smoke dispersal.....Poor until 1200, then good.
.SUNDAY NIGHT...Mostly clear. Lows around 50. Northeast winds
4-7 mph.
.LABOR DAY...Mostly clear. Highs in the mid 80s. North winds
4-9 mph.
.TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the
lower 80s. North winds 4-8 mph.
.WEDNESDAY...Partly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows in the lower 50s. Highs in the
upper 70s. Northeast winds 5-12 mph.
$$
COZ244-301015-
Morgan County-
Including Brush, Fort Morgan, Goodrich, and Wiggins
235 PM MDT Fri Aug 29 2025
.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.....53-57.
24 hr trend......Little change.
Max Humidity........100%.
24 hr trend......Little change.
20-foot winds.......Northwest winds 5-13 mph.
CWR.................40 percent decreasing to 30 percent after
midnight.
15K FT MSL winds....West around 15 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....North around 10 mph until 2100, then northwest.
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.....77-81.
24 hr trend......2-4 degrees cooler.
Min Humidity........47-51%.
24 hr trend......10-15% wetter.
20-foot winds.......North winds 7-13 mph.
CWR.................10 percent increasing to 20 percent in the
afternoon.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......5000-6000 ft AGL.
Transport winds.....North 10-15 mph.
Smoke dispersal.....Poor until 1200, then fair.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy(30-40%). Slight chance of
thunderstorms until 2100, then slight chance of
rain showers until 2400.
Chance of thunder...20 percent.
Min Temperature.....49-53.
24 hr trend......4-7 degrees cooler.
Max Humidity........100%.
24 hr trend......Little change.
20-foot winds.......Northwest winds 5-12 mph. Gusts up to 20 mph in
the evening.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....Northwest 30-40 mph.
Mixing height.......1500-2500 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....Northwest 10-15 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max Temperature.....78-82.
24 hr trend......Little change.
Min Humidity........33-39%.
24 hr trend......10-15% drier.
20-foot winds.......Northwest winds 5-13 mph. Gusts up to 20 mph in
the afternoon.
CWR.................0 percent.
15K FT MSL winds....Northwest 30-40 mph.
Mixing height.......Below 1000 FT AGL until 0700, then 7000-8000 ft
AGL.
Transport winds.....North around 10 mph until 0900, then light
until 1000, then north 10-15 mph.
Smoke dispersal.....Poor until 1200. Very good after 1500.
.SUNDAY NIGHT...Mostly clear. Lows around 50. East winds 4-8 mph.
.LABOR DAY...Clear. Highs in the mid 80s. North winds 6-13 mph.
.TUESDAY...Mostly clear. Lows around 50. Highs in the lower 80s.
North winds 4-9 mph.
.WEDNESDAY...Partly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows in the lower 50s. Highs in the
upper 70s. Northeast winds 7-14 mph.
$$
COZ245-301015-
Central and East Adams and Arapahoe Counties-
Including Bennett, Byers, Deer Trail, and Leader
235 PM MDT Fri Aug 29 2025
.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.....Around 56.
24 hr trend......Little change.
Max Humidity........96-99%.
24 hr trend......2-4% wetter.
20-foot winds.......West winds 4-12 mph.
CWR.................40 percent decreasing to 10 percent after
midnight.
15K FT MSL winds....West 15-20 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....Northwest around 10 mph until 1900, then 10-15
mph until 0400, then around 10 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........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.....76-80.
24 hr trend......4-7 degrees cooler.
Min Humidity........39-47%.
24 hr trend......7-10% wetter.
20-foot winds.......North winds 6-12 mph.
CWR.................10 percent increasing to 30 percent in the
afternoon.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......5500-6500 ft AGL.
Transport winds.....North 10-15 mph.
Smoke dispersal.....Poor until 1200, then good.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy(30-35%). Slight chance of
thunderstorms until 2100, then slight chance of
rain showers until 2400.
Chance of thunder...20 percent.
Min Temperature.....50-54.
24 hr trend......2-4 degrees cooler.
Max Humidity........90-100%.
24 hr trend......Little change.
20-foot winds.......Northwest winds 4-13 mph with gusts to around
20 mph until 2400, then west 5-7 mph.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......2000-3000 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....Northwest 10-15 mph until 0300, then light.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max Temperature.....76-80.
24 hr trend......Little change.
Min Humidity........28-34%.
24 hr trend......10-15% drier.
20-foot winds.......Northwest winds 4-12 mph until 1200, then north
7-12 mph with gusts to around 20 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......Below 1000 FT AGL until 0700, then 6500-7500 ft
AGL.
Transport winds.....Light winds until 0800, then north 10-15 mph.
Smoke dispersal.....Poor until 1200, then good.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 50s. South winds
4-12 mph.
.LABOR DAY...Clear. Highs in the lower 80s. North winds 5-12 mph.
.TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the
lower 80s. Northwest winds 4-13 mph.
.WEDNESDAY...Partly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows in the lower 50s. Highs in the
upper 70s. Northeast winds 6-13 mph.
$$
COZ248-301015-
Logan County-
Including Crook, Merino, Sterling, and Peetz
235 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Mostly cloudy. Rain showers likely until 2400.
Chance of thunderstorms until 0300, then chance
of rain showers and slight chance of
thunderstorms.
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.......North winds 4-9 mph.
CWR.................40 percent.
15K FT MSL winds....West 15-25 mph.
Mixing height.......2000-3000 ft AGL until 2100, then Below 1000 FT
AGL until 2200, then 1000-1500 ft AGL.
Transport winds.....North around 10 mph until 1900, then light
until 2000, then north 10-15 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy(50-60%). Slight chance of
thunderstorms until 1200, then chance of
thunderstorms.
Chance of thunder...40 percent.
Max Temperature.....75-79.
24 hr trend......4-7 degrees cooler.
Min Humidity........46-56%.
24 hr trend......7-10% wetter.
20-foot winds.......North winds 7-13 mph with gusts to around 20
mph.
CWR.................10 percent.
15K FT MSL winds....Northwest 15-25 mph.
Mixing height.......5000-6000 ft AGL.
Transport winds.....North around 15 mph.
Smoke dispersal.....Poor until 1400, then good.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy(50-60%) until 2100, then partly
cloudy. Chance of thunderstorms until 2100,
then chance of rain showers until 2400.
Chance of thunder...30 percent.
Min Temperature.....49-53.
24 hr trend......2-4 degrees cooler.
Max Humidity........100%.
24 hr trend......Little change.
20-foot winds.......Northwest winds 4-12 mph. Gusts up to 20 mph in
the evening.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....Northwest 30-40 mph.
Mixing height.......1500-2500 ft AGL until 0100, then Below 1000 FT
AGL until 0500, then 1000 ft AGL.
Transport winds.....North 10-15 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max Temperature.....75-80.
24 hr trend......2-4 degrees cooler.
Min Humidity........36-46%.
24 hr trend......4-7% drier.
20-foot winds.......North winds 6-14 mph with gusts to around 20
mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......6000-7000 ft AGL.
Transport winds.....North 10-15 mph.
Smoke dispersal.....Poor until 1200, then good.
.SUNDAY NIGHT...Mostly clear. Lows around 50. Northeast winds
4-8 mph.
.LABOR DAY...Clear. Highs in the lower 80s. North winds 6-13 mph.
.TUESDAY...Mostly clear. Lows around 50. Highs in the lower 80s.
North winds 5-12 mph.
.WEDNESDAY...Partly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows in the lower 50s. Highs in the mid
70s. North winds 7-14 mph.
$$
COZ249-301015-
Washington County-
Including Akron, Cope, Last Chance, and Otis
235 PM MDT Fri Aug 29 2025
.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...50 percent.
Min Temperature.....54-58.
24 hr trend......Little change.
Max Humidity........98-100%.
24 hr trend......Little change.
20-foot winds.......Southwest winds 4-13 mph until 2400, then
northwest 5-12 mph.
CWR.................50 percent decreasing to 30 percent after
midnight.
15K FT MSL winds....West 15-20 mph.
Mixing height.......6000 ft AGL until 1900, then 1000 ft AGL until
2000, then Below 1000 FT AGL until 2100, then
1000-1500 ft AGL.
Transport winds.....East around 10 mph until 2100, then west until
0200, then northwest.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy. Chance of rain showers and
slight chance of thunderstorms until 1500, then
chance of thunderstorms.
Chance of thunder...40 percent.
Max Temperature.....76-80.
24 hr trend......2-4 degrees cooler.
Min Humidity........46-52%.
24 hr trend......4-7% wetter.
20-foot winds.......North winds 7-14 mph with gusts to around 20
mph.
CWR.................10 percent increasing to 20 percent in the
afternoon.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......5000-6000 ft AGL.
Transport winds.....North around 15 mph.
Smoke dispersal.....Poor until 1200, then good.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy(50-60%) until 2100, then partly
cloudy. Chance of thunderstorms until 2100,
then chance of rain showers until 2400.
Chance of thunder...30 percent.
Min Temperature.....50-54.
24 hr trend......2-4 degrees cooler.
Max Humidity........98-100%.
24 hr trend......Little change.
20-foot winds.......Northwest winds 5-13 mph. Gusts up to 20 mph in
the evening.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......2000-3000 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....Northwest 10-15 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max Temperature.....76-80.
24 hr trend......Little change.
Min Humidity........35-41%.
24 hr trend......10-15% drier.
20-foot winds.......Northwest winds 7-15 mph with gusts to around
25 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......Below 1000 FT AGL until 0700, then 6000-7000 ft
AGL.
Transport winds.....North 10-15 mph until 1500, then 15-20 mph.
Smoke dispersal.....Poor until 1200, then good.
.SUNDAY NIGHT...Clear. Lows in the lower 50s. South winds
4-8 mph.
.LABOR DAY...Clear. Highs in the lower 80s. North winds 7-14 mph.
.TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the
lower 80s. Northwest winds 6-13 mph.
.WEDNESDAY...Partly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows in the lower 50s. Highs in the mid
70s. North winds 8-15 mph.
$$
COZ250-301015-
Sedgwick County-
Including Julesburg, Ovid, and Sedgwick
235 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Mostly cloudy. Rain showers likely until 2400.
Chance of thunderstorms until 0300, then chance
of rain showers and slight chance of
thunderstorms.
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.......East winds 4-9 mph until 2400, then northwest.
CWR.................40 percent decreasing to 20 percent after
midnight.
15K FT MSL winds....West 15-20 mph.
Mixing height.......3000-4000 ft AGL until 2000, then Below 1000 FT
AGL until 2300, then 1000-1500 ft AGL.
Transport winds.....North around 10 mph until 2100, then east until
2400, then north.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy(60-65%) until 0900, then partly
cloudy(50-60%) until 1200, then mostly
cloudy(55-60%). Slight chance of thunderstorms
until 1200, then chance of thunderstorms.
Chance of thunder...40 percent.
Max Temperature.....74-78.
24 hr trend......4-7 degrees cooler.
Min Humidity........55-59%.
24 hr trend......10-15% wetter.
20-foot winds.......North winds 8-14 mph. Gusts up to 20 mph in the
afternoon.
CWR.................10 percent.
15K FT MSL winds....West 20-30 mph.
Mixing height.......4500-5500 ft AGL.
Transport winds.....North around 15 mph.
Smoke dispersal.....Poor.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy(50-60%) until 2400, then partly
cloudy. Chance of thunderstorms until 2100,
then chance of rain showers until 2400.
Chance of thunder...30 percent.
Min Temperature.....51-55.
24 hr trend......2-4 degrees cooler.
Max Humidity........100%.
24 hr trend......Little change.
20-foot winds.......North winds 6-13 mph. Gusts up to 20 mph in the
evening.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....North 10-15 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Partly cloudy(30-40%) until 0900, then mostly
sunny.
Chance of thunder...0 percent.
Max Temperature.....74-78.
24 hr trend......Little change.
Min Humidity........45-49%.
24 hr trend......10-15% drier.
20-foot winds.......North winds 7-14 mph. Gusts up to 20 mph in the
afternoon.
CWR.................0 percent.
15K FT MSL winds....Northwest 30-40 mph.
Mixing height.......5500-6500 ft AGL.
Transport winds.....North 15-20 mph.
Smoke dispersal.....Poor until 1200, then good.
.SUNDAY NIGHT...Mostly clear. Lows around 50. Northeast winds
4-9 mph.
.LABOR DAY...Mostly clear. Highs in the lower 80s. North winds
6-13 mph.
.TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the
lower 80s. Northwest winds 6-13 mph.
.WEDNESDAY...Partly cloudy. Slight chance of rain showers. Lows
in the lower 50s. Highs in the mid 70s. North winds 7-14 mph.
$$
COZ251-301015-
Phillips County-
Including Amherst, Haxtun, and Holyoke
235 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Mostly cloudy. Rain showers likely until 2400.
Chance of thunderstorms until 0300, then chance
of rain showers and slight chance of
thunderstorms.
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.......Southeast winds 4-9 mph until 2400, then
northwest.
CWR.................40 percent decreasing to 30 percent after
midnight.
15K FT MSL winds....West 15-25 mph.
Mixing height.......3000-4000 ft AGL until 2000, then Below 1000 FT
AGL until 2300, then 1000 ft AGL.
Transport winds.....North around 10 mph until 1900, then light
until 2000, then east around 10 mph until 2300,
then west until 0100, then northwest.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy(55-60%). Slight chance of
thunderstorms until 1500. Chance of rain
showers after 1200 until 1500, then chance of
thunderstorms.
Chance of thunder...40 percent.
Max Temperature.....74-78.
24 hr trend......4-7 degrees cooler.
Min Humidity........54-60%.
24 hr trend......7-10% wetter.
20-foot winds.......North winds 8-13 mph with gusts to around 20
mph.
CWR.................10 percent.
15K FT MSL winds....West 20-30 mph.
Mixing height.......4000-5000 ft AGL.
Transport winds.....North around 15 mph.
Smoke dispersal.....Poor.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy(50-60%) until 2400, then partly
cloudy. Chance of thunderstorms until 2100,
then chance of rain showers until 2400.
Chance of thunder...30 percent.
Min Temperature.....51-55.
24 hr trend......2-4 degrees cooler.
Max Humidity........100%.
24 hr trend......Little change.
20-foot winds.......Northwest winds 5-13 mph. Gusts up to 20 mph in
the evening.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....Northwest 30-40 mph.
Mixing height.......1500-2500 ft AGL until 2100, then Below 1000 FT
AGL until 2200, then 1000 ft AGL until 0100,
then Below 1000 FT AGL until 0200, then 1000 ft
AGL.
Transport winds.....North around 15 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Partly cloudy until 0900, then mostly sunny.
Chance of thunder...0 percent.
Max Temperature.....74-78.
24 hr trend......Little change.
Min Humidity........46-50%.
24 hr trend......7-10% drier.
20-foot winds.......North winds 7-14 mph with gusts to around 20
mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 30-40 mph.
Mixing height.......5500-6500 ft AGL.
Transport winds.....North 15-20 mph.
Smoke dispersal.....Poor until 1100, then good.
.SUNDAY NIGHT...Mostly clear. Lows around 50. North winds
4-9 mph.
.LABOR DAY...Clear. Highs around 80. North winds 5-12 mph.
.TUESDAY...Mostly clear. Lows in the lower 50s. Highs around 80.
Northwest winds 5-12 mph.
.WEDNESDAY...Partly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows in the lower 50s. Highs in the mid
70s. North winds 7-14 mph.
$$
COZ246-301015-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County-
Including Agate, Hugo, Limon, and Matheson
235 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Mostly cloudy. Rain showers likely and chance
of thunderstorms until 2400, then slight chance
of thunderstorms until 0300. Chance of rain
showers after 2400.
Chance of thunder...50 percent.
Min Temperature.....53-57.
24 hr trend......Little change.
Max Humidity........96-99%.
24 hr trend......Little change.
20-foot winds.......West winds 4-12 mph.
CWR.................50 percent decreasing to 20 percent after
midnight.
15K FT MSL winds....West around 15 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....South around 10 mph until 2000. Northwest after
2200.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy(60-65%). Chance of rain showers
until 1500. Slight chance of thunderstorms
after 1200 until 1500, then chance of
thunderstorms.
Chance of thunder...40 percent.
Max Temperature.....74-78.
24 hr trend......2-4 degrees cooler.
Min Humidity........44-50%.
24 hr trend......Little change.
20-foot winds.......North winds 8-15 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 around 15 mph.
Smoke dispersal.....Poor until 1200, then good.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy(50-60%) until 2100, then partly
cloudy. Chance of thunderstorms until 2100,
then chance of rain showers until 2400.
Chance of thunder...30 percent.
Min Temperature.....48-52.
24 hr trend......4-7 degrees cooler.
Max Humidity........95-99%.
24 hr trend......Little change.
20-foot winds.......Northwest winds 4-12 mph. Gusts up to 20 mph in
the evening.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......2000-3000 ft AGL until 2100, then Below 1000 FT
AGL.
Transport winds.....Northwest 10-15 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max Temperature.....75-79.
24 hr trend......Little change.
Min Humidity........32-36%.
24 hr trend......10-15% drier.
20-foot winds.......Northwest winds 6-14 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......Below 1000 FT AGL until 0700, then 6000-7000 ft
AGL.
Transport winds.....Northwest 10-15 mph until 1400, then north
15-20 mph.
Smoke dispersal.....Poor until 1100. Very good after 1500.
.SUNDAY NIGHT...Clear. Lows around 50. South winds 4-8 mph.
.LABOR DAY...Clear. Highs around 80. North winds 6-13 mph.
.TUESDAY...Mostly clear. Lows in the lower 50s. Highs around 80.
Northwest winds 5-12 mph.
.WEDNESDAY...Partly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows in the lower 50s. Highs in the mid
70s. North winds 7-14 mph.
$$
COZ247-301015-
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Including Forder, Karval, Kutch, and Punkin Center
235 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Mostly cloudy. Thunderstorms likely until 2400,
then chance of rain showers and slight chance
of thunderstorms.
Chance of thunder...60 percent.
Min Temperature.....53-57.
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.
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.....Northeast around 10 mph until 2100, then
southeast until 2300, then north.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy(60-65%). 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.....75-79.
24 hr trend......Little change.
Min Humidity........44-50%.
24 hr trend......7-10% drier.
20-foot winds.......North winds 9-16 mph.
CWR.................10 percent increasing to 20 percent in the
afternoon.
15K FT MSL winds....Northwest 15-25 mph.
Mixing height.......6000-7000 ft AGL.
Transport winds.....North 15-20 mph.
Smoke dispersal.....Poor until 1200, then good.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy(60-65%) until 2400, then mostly
clear. Chance of thunderstorms until 2100, then
chance of rain showers until 2400.
Chance of thunder...30 percent.
Min Temperature.....48-52.
24 hr trend......4-7 degrees cooler.
Max Humidity........97-99%.
24 hr trend......Little change.
20-foot winds.......North winds 4-12 mph. Gusts up to 20 mph in the
evening.
CWR.................20 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....Northwest 30-40 mph.
Mixing height.......1500-2500 ft AGL until 2200, then Below 1000 FT
AGL.
Transport winds.....North 10-15 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max Temperature.....76-80.
24 hr trend......Little change.
Min Humidity........30-36%.
24 hr trend......10-15% drier.
20-foot winds.......North winds 6-13 mph. Gusts up to 20 mph in the
afternoon.
CWR.................0 percent.
15K FT MSL winds....Northwest 30-40 mph.
Mixing height.......Below 1000 FT AGL until 0700, then 7500-8500 ft
AGL.
Transport winds.....North 10-15 mph.
Smoke dispersal.....Poor until 1100. Very good after 1500.
.SUNDAY NIGHT...Mostly clear. Lows around 50. Northeast winds
4-8 mph.
.LABOR DAY...Clear. Highs in the lower 80s. North winds 6-13 mph.
.TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the
lower 80s. North winds 5-12 mph.
.WEDNESDAY...Partly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows in the lower 50s. Highs in the
upper 70s. Northeast winds 7-14 mph.
$$
COZ215-301015-
Larimer and Boulder Counties Between 6000 and 9000 Feet-
Including Estes Park, Glendevey, Laramie River Valley, Nederland,
and Red Feather Lakes
235 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of thunderstorms
until 2400. Chance of rain showers.
Chance of thunder...20 percent.
Min Temperature.....43-53.
24 hr trend......2-4 degrees cooler.
Max Humidity........81-91%.
24 hr trend......15-20% wetter.
20-foot winds.......
Valleys/lwr slopes...West winds 4-8 mph.
Ridges/upr slopes....West winds 4-8 mph.
CWR.................20 percent decreasing to 10 percent after
midnight.
15K FT MSL winds....West 15-20 mph.
Mixing height.......2000-3000 ft AGL.
Transport winds.....Northwest around 10 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy. Chance of rain showers until
1200. Slight chance of thunderstorms after 0900
until 1200, then thunderstorms likely.
Chance of thunder...60 percent.
Max Temperature.....62-72.
24 hr trend......2-4 degrees cooler.
Min Humidity........43-53%.
24 hr trend......7-10% wetter.
20-foot winds.......
Valleys/lwr slopes...Northwest winds 4-12 mph.
Ridges/upr slopes....North winds 4-12 mph.
CWR.................10 percent increasing to 40 percent in the
afternoon.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......6000-7000 ft AGL.
Transport winds.....Northwest 10-15 mph.
Smoke dispersal.....Poor until 1100, then fair.
.SATURDAY NIGHT...
Sky/weather.........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.....40-50.
24 hr trend......Little change.
Max Humidity........78-88%.
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 decreasing to 0 percent after
midnight.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....Northwest around 10 mph until 2200, then light
until 0300, then west around 10 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny until 1500, then partly cloudy.
Chance of thunder...0 percent.
Max Temperature.....65-75.
24 hr trend......2-4 degrees warmer.
Min Humidity........27-37%.
24 hr trend......15-20% drier.
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
north 5-12 mph with gusts to around 20
mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 15-25 mph.
Mixing height.......8000-9000 ft AGL.
Transport winds.....Northwest 10-15 mph until 1700, then north.
Smoke dispersal.....Poor until 1100, then good.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 40s. Northwest
winds 4-7 mph.
.LABOR DAY...Mostly clear. Highs in the lower 70s. North winds
4-8 mph.
.TUESDAY...Mostly clear. Slight chance of thunderstorms. Lows in
the upper 40s. Highs in the lower 70s. Northwest winds 4-7 mph.
.WEDNESDAY...Partly cloudy. Chance of thunderstorms. Lows in the
upper 40s. Highs in the upper 60s. North winds 4-8 mph.
$$
COZ216-301015-
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
235 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Mostly cloudy. Rain showers likely and chance
of thunderstorms until 2400, then chance of
rain showers.
Chance of thunder...50 percent.
Min Temperature.....45-55.
24 hr trend......Little change.
Max Humidity........84-94%.
24 hr trend......15-20% wetter.
20-foot winds.......
Valleys/lwr slopes...Northwest winds 4-7 mph.
Ridges/upr slopes....Northwest winds 4-7 mph.
CWR.................40 percent decreasing to 10 percent after
midnight.
15K FT MSL winds....West 15-25 mph.
Mixing height.......2000-3000 ft AGL.
Transport winds.....Light winds.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy. Chance of rain showers and
slight chance of thunderstorms until 1200, then
thunderstorms likely.
Chance of thunder...60 percent.
Max Temperature.....63-73.
24 hr trend......Little change.
Min Humidity........44-54%.
24 hr trend......Little change.
20-foot winds.......
Valleys/lwr slopes...Northeast winds 4-8 mph.
Ridges/upr slopes....Northeast winds 4-9 mph.
CWR.................10 percent increasing to 40 percent in the
afternoon.
15K FT MSL winds....Northwest 15-25 mph.
Mixing height.......4500-5500 ft AGL.
Transport winds.....Light winds until 0900, then north around 10
mph.
Smoke dispersal.....Poor.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy. Chance of thunderstorms until
2100, then chance of rain showers until 2400.
Chance of thunder...30 percent.
Min Temperature.....41-51.
24 hr trend......2-4 degrees cooler.
Max Humidity........76-86%.
24 hr trend......15-20% drier.
20-foot winds.......
Valleys/lwr slopes...West winds 4-7 mph.
Ridges/upr slopes....West winds 4-8 mph.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......2000-3000 ft AGL.
Transport winds.....North around 10 mph until 1900, then light
until 0400, then west around 10 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny. Slight chance of thunderstorms
after 1200.
Chance of thunder...20 percent.
Max Temperature.....65-75.
24 hr trend......Little change.
Min Humidity........31-41%.
24 hr trend......10-15% drier.
20-foot winds.......
Valleys/lwr slopes...Northwest winds 4-8 mph until 1200, then
northeast 5-12 mph with gusts to around 20
mph.
Ridges/upr slopes....Northwest winds 4-8 mph until 1200, then
northeast 5-12 mph with gusts to around 20
mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 15-25 mph.
Mixing height.......7000-8000 ft AGL.
Transport winds.....West around 10 mph until 0700, then light until
1100, then north around 10 mph.
Smoke dispersal.....Poor until 1500, then fair.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 40s. Southwest
winds 4-7 mph.
.LABOR DAY...Mostly clear. 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.
.WEDNESDAY...Partly cloudy. Chance of thunderstorms. Lows in the
upper 40s. Highs in the upper 60s. Northwest winds 4-8 mph.
$$
COZ211-301015-
Jackson County Below 9000 Feet-
Including Gould, North Park, Rand, Spicer, and Walden
235 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of thunderstorms
until 2400. Chance of rain showers.
Chance of thunder...20 percent.
Min Temperature.....32-40.
24 hr trend......Little change.
Max Humidity........96-99%.
24 hr trend......Little change.
20-foot winds.......West winds 4-8 mph until 2400, then south 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.....Northwest around 10 mph until 2000, 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 chance of thunderstorms.
Chance of thunder...50 percent.
Max Temperature.....63-69.
24 hr trend......Little change.
Min Humidity........39-45%.
24 hr trend......Little change.
20-foot winds.......West winds 4-7 mph until 1200, then northwest
8-13 mph with gusts to around 20 mph.
CWR.................10 percent increasing to 30 percent in the
afternoon.
15K FT MSL winds....Northwest 15-25 mph.
Mixing height.......6000-7000 ft AGL.
Transport winds.....Light winds until 1100, then northwest 10-15
mph.
Smoke dispersal.....Poor until 1200, then fair.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy(30-40%).
Chance of thunder...0 percent.
Min Temperature.....30-38.
24 hr trend......Little change.
Max Humidity........88-98%.
24 hr trend......Little change.
20-foot winds.......Northeast winds 4-8 mph with gusts to around 20
mph until 2400, then south 4-6 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 15-25 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....North 10-15 mph until 2100, then light.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny until 1500, then partly cloudy.
Chance of thunder...0 percent.
Max Temperature.....68-72.
24 hr trend......2-4 degrees warmer.
Min Humidity........22-28%.
24 hr trend......15-20% drier.
20-foot winds.......South winds 4-6 mph until 1200, then north 7-14
mph with gusts to around 25 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 15-25 mph.
Mixing height.......8000-9000 ft AGL.
Transport winds.....Light winds until 1100, then north 10-15 mph.
Smoke dispersal.....Poor until 1200, then good.
.SUNDAY NIGHT...Mostly clear. Lows in the mid 30s. East winds
4-7 mph.
.LABOR DAY...Mostly clear. Highs in the lower 70s. Northeast
winds 5-12 mph.
.TUESDAY...Mostly clear. Lows in the mid 30s. Highs in the lower
70s. East winds 4-8 mph.
.WEDNESDAY...Partly cloudy. Chance of thunderstorms. Lows in the
mid 30s. Highs around 70. East winds 4-8 mph.
$$
COZ213-301015-
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
235 PM MDT Fri Aug 29 2025
.TONIGHT...
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.....36-44.
24 hr trend......2-4 degrees cooler.
Max Humidity........94-98%.
24 hr trend......Little change.
20-foot winds.......West winds 4-7 mph.
CWR.................30 percent decreasing to 10 percent after
midnight.
15K FT MSL winds....West 15-25 mph.
Mixing height.......2500-3500 ft AGL.
Transport winds.....Northwest around 10 mph until 1900, 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 chance of thunderstorms.
Chance of thunder...50 percent.
Max Temperature.....62-70.
24 hr trend......2-4 degrees cooler.
Min Humidity........35-45%.
24 hr trend......7-10% drier.
20-foot winds.......West winds 4-12 mph.
CWR.................10 percent increasing to 20 percent in the
afternoon.
15K FT MSL winds....Northwest 15-25 mph.
Mixing height.......6500-7500 ft AGL.
Transport winds.....Light winds until 1100, then northwest 10-15
mph.
Smoke dispersal.....Poor until 1300, then good.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min Temperature.....32-42.
24 hr trend......Little change.
Max Humidity........83-93%.
24 hr trend......Little change.
20-foot winds.......Northeast winds 4-7 mph until 2400, then east
4-5 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 15-25 mph.
Mixing height.......2000-3000 ft AGL.
Transport winds.....North around 10 mph until 2000, then light.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max Temperature.....66-74.
24 hr trend......4-7 degrees warmer.
Min Humidity........21-29%.
24 hr trend......7-10% drier.
20-foot winds.......Northeast winds 4-6 mph until 1200, then
northwest 4-9 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 15-20 mph.
Mixing height.......9000-10000 ft AGL.
Transport winds.....Light winds until 1200, then northwest around
10 mph.
Smoke dispersal.....Poor until 1300, then good.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 30s. East winds
4-7 mph.
.LABOR DAY...Mostly clear. Highs in the lower 70s. Northeast
winds 4-8 mph.
.TUESDAY...Mostly clear. Lows in the upper 30s. Highs in the
lower 70s. Northeast winds 4-7 mph.
.WEDNESDAY...Partly cloudy. Chance of rain showers and slight
chance of thunderstorms. Lows in the upper 30s. Highs around 70.
Northeast winds 4-7 mph.
$$
COZ214-301015-
Central and Southeast Park County-
Including Eleven Mile Canyon Reservoir, Fairplay, Guffey,
Hartsel, Lake George, and South Park
235 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Mostly cloudy. Rain showers likely and chance
of thunderstorms until 2400, then chance of
rain showers.
Chance of thunder...50 percent.
Min Temperature.....42-46.
24 hr trend......2-4 degrees cooler.
Max Humidity........90-100%.
24 hr trend......10-15% wetter.
20-foot winds.......
Valleys/lwr slopes...Northwest winds 4-8 mph.
Ridges/upr slopes....Northwest winds 4-8 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.....West around 10 mph until 2000, then north until
2300, then light.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy. Chance of rain showers and
slight chance of thunderstorms until 1200, then
thunderstorms likely.
Chance of thunder...60 percent.
Max Temperature.....60-68.
24 hr trend......Little change.
Min Humidity........38-48%.
24 hr trend......7-10% drier.
20-foot winds.......
Valleys/lwr slopes...North winds 5-13 mph.
Ridges/upr slopes....North winds 5-13 mph.
CWR.................10 percent increasing to 30 percent in the
afternoon.
15K FT MSL winds....Northwest 15-25 mph.
Mixing height.......6500-7500 ft AGL.
Transport winds.....Light winds until 0700, then north around 10
mph.
Smoke dispersal.....Poor until 1500, then fair.
.SATURDAY NIGHT...
Sky/weather.........Mostly cloudy(50-60%) until 2400, then mostly
clear. Chance of thunderstorms until 2100, then
chance of rain showers until 2400.
Chance of thunder...30 percent.
Min Temperature.....38-44.
24 hr trend......2-4 degrees cooler.
Max Humidity........82-92%.
24 hr trend......10-15% drier.
20-foot winds.......
Valleys/lwr slopes...Northeast winds 4-7 mph with gusts to
around 20 mph until 2400, then northwest.
Ridges/upr slopes....Northeast winds 4-8 mph until 2400, then
northwest.
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.....Northeast around 10 mph until 2200, then light.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny until 1500, then partly cloudy.
Slight chance of thunderstorms after 1200.
Chance of thunder...10 percent.
Max Temperature.....62-70.
24 hr trend......Little change.
Min Humidity........25-31%.
24 hr trend......10-15% drier.
20-foot winds.......
Valleys/lwr slopes...Northwest winds 4-7 mph until 1200, then
east 5-12 mph with gusts to around 25 mph.
Ridges/upr slopes....Northwest winds 4-8 mph until 1200, then
east 4-9 mph with gusts to around 20 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest around 15 mph.
Mixing height.......8500-9500 ft AGL.
Transport winds.....Light winds until 1300, then northwest around
10 mph until 1700, then northeast.
Smoke dispersal.....Poor until 1300, then good.
.SUNDAY NIGHT...Mostly clear. Lows in the lower 40s. Northeast
winds 4-7 mph.
.LABOR DAY...Mostly clear. Highs in the upper 60s. Northeast
winds 4-8 mph.
.TUESDAY...Partly cloudy. Chance of thunderstorms. Lows in the
lower 40s. Highs in the upper 60s. Northeast winds 4-8 mph.
.WEDNESDAY...Partly cloudy. Chance of thunderstorms. Lows in the
lower 40s. Highs in the mid 60s. North winds 4-8 mph.
$$
COZ218-301015-
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
235 PM MDT Fri Aug 29 2025
.TONIGHT...
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.....34-44.
24 hr trend......7-10 degrees cooler.
Max Humidity........86-96%.
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.................30 percent decreasing to 10 percent after
midnight.
15K FT MSL winds....West 15-25 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....Northwest around 10 mph until 1900, 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 thunderstorms likely.
Chance of thunder...60 percent.
Max Temperature.....51-61.
24 hr trend......4-7 degrees cooler.
Min Humidity........44-54%.
24 hr trend......Little change.
20-foot winds.......
Valleys/lwr slopes...Northwest winds 4-12 mph.
Ridges/upr slopes....Northwest winds 4-12 mph.
CWR.................10 percent increasing to 40 percent in the
afternoon.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......4500-5500 ft AGL.
Transport winds.....Light winds until 0900, then northwest 10-15
mph.
Smoke dispersal.....Poor until 1300, then fair.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy(35-45%). Slight chance of
thunderstorms until 2100. Slight chance of rain
showers after 2100 until 2400.
Chance of thunder...20 percent.
Min Temperature.....32-42.
24 hr trend......Little change.
Max Humidity........79-89%.
24 hr trend......Little change.
20-foot winds.......
Valleys/lwr slopes...North winds 4-7 mph until 2400, then
south.
Ridges/upr slopes....Northwest winds 4-8 mph until 2400, then
southwest.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....North 10-15 mph until 2200, then light.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny until 1500, then partly
cloudy(30-35%).
Chance of thunder...0 percent.
Max Temperature.....55-65.
24 hr trend......2-4 degrees warmer.
Min Humidity........26-36%.
24 hr trend......15-20% 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.................0 percent.
15K FT MSL winds....Northwest 15-20 mph.
Mixing height.......7500-8500 ft AGL.
Transport winds.....Light winds until 0800, then northwest around
10 mph.
Smoke dispersal.....Poor until 1200, then good.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 30s. Northeast
winds 4-8 mph.
.LABOR DAY...Mostly clear. Highs in the lower 60s. North winds
4-9 mph.
.TUESDAY...Mostly clear. Slight chance of thunderstorms. Lows in
the upper 30s. Highs in the lower 60s. North winds 4-8 mph.
.WEDNESDAY...Partly cloudy. Chance of thunderstorms. Lows in the
upper 30s. Highs in the upper 50s. Northwest winds 4-8 mph.
$$
COZ212-301015-
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
235 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Mostly cloudy. Rain showers likely and chance
of thunderstorms until 2400, then chance of
rain showers.
Chance of thunder...40 percent.
Min Temperature.....35-45.
24 hr trend......Little change.
Max Humidity........86-96%.
24 hr trend......15-20% wetter.
20-foot winds.......
Valleys/lwr slopes...Northwest winds 4-8 mph.
Ridges/upr slopes....West winds 4-8 mph.
CWR.................30 percent decreasing to 20 percent after
midnight.
15K FT MSL winds....West 15-25 mph.
Mixing height.......2000-3000 ft AGL.
Transport winds.....West around 10 mph until 2000, then light until
0400, then northwest around 10 mph.
Smoke dispersal.....Poor.
.SATURDAY...
Sky/weather.........Mostly cloudy. Chance of rain showers and
slight chance of thunderstorms until 1200, then
thunderstorms likely.
Chance of thunder...60 percent.
Max Temperature.....52-62.
24 hr trend......Little change.
Min Humidity........41-51%.
24 hr trend......7-10% drier.
20-foot winds.......
Valleys/lwr slopes...Northwest winds 4-12 mph.
Ridges/upr slopes....Northwest 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....Northwest 15-25 mph.
Mixing height.......6000-7000 ft AGL.
Transport winds.....Northwest 10-15 mph.
Smoke dispersal.....Poor until 1300, then fair.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy(30-40%). Chance of thunderstorms
until 2100. Chance of rain showers after 2100
until 2400.
Chance of thunder...30 percent.
Min Temperature.....32-42.
24 hr trend......4-7 degrees cooler.
Max Humidity........75-85%.
24 hr trend......15-20% drier.
20-foot winds.......
Valleys/lwr slopes...North winds 4-7 mph with gusts to around
20 mph until 2400, then west.
Ridges/upr slopes....Northwest winds 4-9 mph with gusts to
around 20 mph until 2400, then west 4-8
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.....Northwest 10-15 mph until 2000, then light
until 0500, then northwest around 10 mph.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny until 1500, then partly cloudy.
Slight chance of thunderstorms after 1200.
Chance of thunder...10 percent.
Max Temperature.....55-65.
24 hr trend......Little change.
Min Humidity........25-35%.
24 hr trend......10-15% drier.
20-foot winds.......
Valleys/lwr slopes...North winds 4-12 mph. Gusts up to 20 mph
in the afternoon.
Ridges/upr slopes....North winds 5-13 mph. Gusts up to 20 mph
in the afternoon.
CWR.................0 percent.
15K FT MSL winds....Northwest 15-20 mph.
Mixing height.......8500-9500 ft AGL.
Transport winds.....Northwest around 10 mph.
Smoke dispersal.....Poor until 1300, then good.
.SUNDAY NIGHT...Mostly clear. Lows in the upper 30s. Southeast
winds 4-8 mph.
.LABOR DAY...Mostly clear. Highs in the lower 60s. North winds
4-9 mph.
.TUESDAY...Mostly clear. Chance of thunderstorms. Lows in the
upper 30s. Highs around 60. Northwest winds 4-8 mph.
.WEDNESDAY...Partly cloudy. Chance of thunderstorms. Lows in the
upper 30s. Highs in the upper 50s. West winds 4-9 mph.
$$
COZ217-301015-
West Jackson and West Grand Counties Above 9000 Feet-
Including East Slopes Park and Northern Gore Ranges, Gore Pass,
and Rabbit Ears Pass
235 PM MDT Fri Aug 29 2025
.TONIGHT...
Sky/weather.........Mostly cloudy. Slight chance of thunderstorms
until 2400. Chance of rain showers.
Chance of thunder...20 percent.
Min Temperature.....36-44.
24 hr trend......2-4 degrees cooler.
Max Humidity........85-95%.
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.................20 percent decreasing to 10 percent after
midnight.
15K FT MSL winds....West 15-25 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....Northwest around 10 mph until 2000, 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 chance of thunderstorms.
Chance of thunder...50 percent.
Max Temperature.....55-65.
24 hr trend......Little change.
Min Humidity........39-49%.
24 hr trend......7-10% drier.
20-foot winds.......
Valleys/lwr slopes...Northwest winds 5-13 mph.
Ridges/upr slopes....Northwest 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....Northwest 15-20 mph.
Mixing height.......6000-7000 ft AGL.
Transport winds.....Light winds until 1100, then northwest 10-15
mph.
Smoke dispersal.....Poor until 1300, then good.
.SATURDAY NIGHT...
Sky/weather.........Partly cloudy(30-40%).
Chance of thunder...0 percent.
Min Temperature.....34-42.
24 hr trend......Little change.
Max Humidity........76-86%.
24 hr trend......25-35% drier.
20-foot winds.......
Valleys/lwr slopes...North winds 4-7 mph with gusts to around
20 mph until 2400, then southeast 4-6 mph.
Ridges/upr slopes....North winds 4-8 mph with gusts to around
20 mph until 2400, then southeast 4-7 mph.
CWR.................0 percent.
15K FT MSL winds....North 15-25 mph.
Mixing height.......1500-2500 ft AGL.
Transport winds.....North 10-15 mph until 2100, then light.
Smoke dispersal.....Poor.
.SUNDAY...
Sky/weather.........Mostly sunny until 1500, then partly cloudy.
Chance of thunder...0 percent.
Max Temperature.....59-69.
24 hr trend......4-7 degrees warmer.
Min Humidity........24-34%.
24 hr trend......10-15% drier.
20-foot winds.......
Valleys/lwr slopes...East winds 4-7 mph until 1200, then north
5-12 mph with gusts to around 20 mph.
Ridges/upr slopes....Northeast winds 4-8 mph until 1200, then
northwest 6-13 mph with gusts to around 20
mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 15-20 mph.
Mixing height.......8000-9000 ft AGL.
Transport winds.....Light winds until 1100, then north around 10
mph.
Smoke dispersal.....Poor until 1200, then good.
.SUNDAY NIGHT...Mostly clear. Lows around 40. Northeast winds
4-7 mph.
.LABOR DAY...Mostly clear. Highs in the mid 60s. Northeast winds
4-8 mph.
.TUESDAY...Mostly clear. Lows around 40. Highs in the mid 60s.
Northeast winds 4-8 mph.
.WEDNESDAY...Partly cloudy. Chance of thunderstorms. Lows around
40. Highs in the mid 60s. Northeast winds 4-8 mph.
$$
.Outlook 6 to 10 Days...
Temperatures Below Normal and Precipitation Above Normal.
$$