Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Denver/Boulder, CO
Issued by NWS Denver/Boulder, CO
939
FNUS55 KBOU 190913
FWFBOU
Fire Weather Forecast for Northeast and North Central Colorado
National Weather Service Denver/Boulder CO
313 AM MDT Wed Aug 19 2026
.DISCUSSION...Today and tonight...
Isolated showers and thunderstorms are expected this afternoon and
evening. Temperatures will be near normal this afternoon, with
minimum RHs around 20% to 35% across much of the area. No elevated
fire weather conditions expected.
LONG TERM DISCUSSION...Thursday through Sunday...
Warmer and generally drier conditions are expected Thursday and
Friday. Temperatures will get back above normal, with highs in the
90s for the plains. Relative humidities will drop into the 15% to
25% range, but wind gusts will remain below 25mph both
afternoons. Moisture will start to increase Saturday.
...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...
COZ238-192330-
Larimer County Below 6000 Feet/Northwest Weld County-
Including Fort Collins, Hereford, Loveland, Nunn,
and West Pawnee Grasslands
313 AM MDT Wed Aug 19 2026
.TODAY...
Sky/weather.........Partly cloudy until 0900, then mostly sunny
until 1200, then partly cloudy(30-40%). Slight
chance of thunderstorms after 1200.
Chance of thunder...10 percent.
Max Temperature.....84-88.
24 hr trend......Little change.
Min Humidity........25-29%.
24 hr trend......Little change.
20-foot winds.......Northwest winds 4-7 mph until 1200, then
southeast 4-12 mph with gusts to around 20 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 30-40 mph.
Mixing height.......Below 1000 FT AGL until 0900, then 8000-9000 ft
AGL.
Transport winds.....Northwest around 10 mph until 0900, then light
until 1200, then northwest around 10 mph.
Smoke dispersal.....Poor until 1300, then good.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min Temperature.....56-60.
24 hr trend......Little change.
Max Humidity........72-82%.
24 hr trend......4-7% drier.
20-foot winds.......Southeast winds 4-13 mph until 2400, then north
4-9 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......3000-4000 ft AGL until 2100, then Below 1000 FT
AGL.
Transport winds.....East around 10 mph until 0400, then light.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max Temperature.....88-94.
24 hr trend......4-7 degrees warmer.
Min Humidity........16-20%.
24 hr trend......7-10% drier.
20-foot winds.......North winds 4-8 mph until 1200, then northeast
6-12 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 0900. 10000-11000 ft
AGL after 1100.
Transport winds.....Northwest around 10 mph until 0800, then light
until 1000, then north 10-15 mph.
Smoke dispersal.....Poor until 1200, then very good until 1700,
then good.
.THURSDAY NIGHT...Mostly clear. Lows around 60. Southeast winds
4-8 mph.
.FRIDAY...Partly cloudy. Highs in the mid 90s. Northwest winds
4-9 mph.
.SATURDAY...Partly cloudy. Chance of thunderstorms. Lows in the
lower 60s. Highs around 90. East winds 5-12 mph.
.SUNDAY...Mostly cloudy. Chance of thunderstorms. Lows in the
lower 60s. Highs around 90. Northwest winds 5-12 mph.
$$
COZ239-192330-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield
County-
Including Arvada, Boulder, Golden, Lakewood, and Longmont
313 AM MDT Wed Aug 19 2026
.TODAY...
Sky/weather.........Partly cloudy(30-40%) until 0900, then mostly
sunny until 1200, then partly cloudy(35-45%).
Slight chance of thunderstorms after 1200.
Chance of thunder...20 percent.
Max Temperature.....85-89.
24 hr trend......2-4 degrees cooler.
Min Humidity........26-30%.
24 hr trend......4-7% wetter.
20-foot winds.......Northeast winds 4-8 mph.
CWR.................0 percent increasing to 10 percent in the
afternoon.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......Below 1000 FT AGL until 0900, then 6500-7500 ft
AGL.
Transport winds.....Light winds until 1200, then northeast around
10 mph until 1300, then northwest until 1700,
then east.
Smoke dispersal.....Poor until 1300, then fair.
.TONIGHT...
Sky/weather.........Partly cloudy(30-35%).
Chance of thunder...0 percent.
Min Temperature.....59-63.
24 hr trend......Little change.
Max Humidity........57-67%.
24 hr trend......25-35% drier.
20-foot winds.......East winds 4-8 mph until 2400, then west.
CWR.................0 percent.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......4000-5000 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....Southeast around 10 mph until 2200, then light
until 2400, then west around 10 mph until 0100,
then light.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny until 1500, then partly cloudy.
Chance of thunder...0 percent.
Max Temperature.....90-94.
24 hr trend......4-7 degrees warmer.
Min Humidity........17-21%.
24 hr trend......7-10% drier.
20-foot winds.......North winds 4-7 mph until 1200, then northeast
6-10 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......Below 1000 FT AGL until 0900, then 9000-10000
ft AGL.
Transport winds.....Light winds until 1100, then north around 10
mph.
Smoke dispersal.....Poor until 1200, then good.
.THURSDAY NIGHT...Partly cloudy. Lows in the lower 60s. West
winds 4-7 mph.
.FRIDAY...Partly cloudy. Highs in the mid 90s. Northwest winds
4-8 mph.
.SATURDAY...Partly cloudy. Chance of thunderstorms. Lows in the
mid 60s. Highs in the lower 90s. West winds 4-7 mph.
.SUNDAY...Mostly cloudy. Chance of thunderstorms. Lows in the
lower 60s. Highs in the lower 90s. West winds 4-8 mph.
$$
COZ240-192330-
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
313 AM MDT Wed Aug 19 2026
.TODAY...
Sky/weather.........Partly cloudy(30-40%) until 0900, then mostly
sunny until 1200, then partly cloudy(30-40%).
Slight chance of thunderstorms after 1200.
Chance of thunder...20 percent.
Max Temperature.....86-90.
24 hr trend......2-4 degrees cooler.
Min Humidity........25-29%.
24 hr trend......4-7% wetter.
20-foot winds.......West winds 4-8 mph until 1200, then northeast
4-13 mph.
CWR.................0 percent increasing to 10 percent in the
afternoon.
15K FT MSL winds....Northwest 30-40 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 7500-8500 ft
AGL.
Transport winds.....Light winds until 1200, then north around 10
mph.
Smoke dispersal.....Poor until 1300, then good.
.TONIGHT...
Sky/weather.........Partly cloudy(30-40%). Slight chance of
thunderstorms until 2100.
Chance of thunder...10 percent.
Min Temperature.....60-64.
24 hr trend......Little change.
Max Humidity........63-71%.
24 hr trend......10-15% drier.
20-foot winds.......Southeast winds 5-12 mph until 2400, then
southwest 4-9 mph. Gusts up to 20 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......3000-4000 ft AGL until 2100, then Below 1000 FT
AGL.
Transport winds.....Southeast 10-15 mph until 2200. Southwest after
0400.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max Temperature.....91-95.
24 hr trend......4-7 degrees warmer.
Min Humidity........16-20%.
24 hr trend......7-10% drier.
20-foot winds.......West winds 4-8 mph until 1200, then northeast
7-11 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......Below 1000 FT AGL until 0800. 10000-11000 ft
AGL after 1200.
Transport winds.....Light winds until 1100, then north around 10
mph.
Smoke dispersal.....Poor until 1200, then good.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 60s. South winds
4-9 mph.
.FRIDAY...Partly cloudy. Highs in the mid 90s. South winds
4-9 mph.
.SATURDAY...Partly cloudy. Chance of thunderstorms. Lows in the
mid 60s. Highs in the lower 90s. Southwest winds 4-9 mph.
.SUNDAY...Mostly cloudy. Chance of thunderstorms. Lows in the mid
60s. Highs in the lower 90s. Southwest winds 4-8 mph.
$$
COZ241-192330-
Elbert/Central and East Douglas Counties Above 6000 Feet-
Including Castle Rock, Elbert, Fondis, Kiowa, and Larkspur
313 AM MDT Wed Aug 19 2026
.TODAY...
Sky/weather.........Partly cloudy(35-45%) until 0900, then mostly
sunny until 1200, then partly cloudy(35-45%)
until 1500, then mostly cloudy(55-60%). Slight
chance of thunderstorms after 1200 until 1500,
then chance of thunderstorms.
Chance of thunder...30 percent.
Max Temperature.....81-87.
24 hr trend......4-7 degrees cooler.
Min Humidity........30-36%.
24 hr trend......10-15% wetter.
20-foot winds.......Southwest winds 4-9 mph until 1200, then
northeast 4-12 mph.
CWR.................0 percent increasing to 10 percent in the
afternoon.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 7000-8000 ft
AGL.
Transport winds.....Southwest around 10 mph until 1000, then
northwest until 1100, then light until 1200,
then northwest around 10 mph until 1700, then
southeast.
Smoke dispersal.....Poor until 1300, then fair.
.TONIGHT...
Sky/weather.........Mostly cloudy(50-60%) until 2100, then partly
cloudy(35-45%). Slight chance of thunderstorms
until 2100.
Chance of thunder...20 percent.
Min Temperature.....56-60.
24 hr trend......Little change.
Max Humidity........72-82%.
24 hr trend......10-15% drier.
20-foot winds.......South winds 7-15 mph with gusts to around 25
mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......2500-3500 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....South 10-15 mph until 0500, then southwest.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max Temperature.....86-92.
24 hr trend......4-7 degrees warmer.
Min Humidity........19-23%.
24 hr trend......10-15% drier.
20-foot winds.......West winds 4-9 mph until 1200, then northeast
4-13 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 15-25 mph.
Mixing height.......Below 1000 FT AGL until 0900. 10000-11000 ft
AGL after 1100.
Transport winds.....West around 10 mph until 1000, then northwest.
Smoke dispersal.....Poor until 1200, then good.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. South
winds 4-9 mph.
.FRIDAY...Partly cloudy. Slight chance of thunderstorms. Highs in
the lower 90s. South winds 4-9 mph.
.SATURDAY...Partly cloudy. Chance of thunderstorms. Lows in the
lower 60s. Highs around 90. Southwest winds 4-9 mph.
.SUNDAY...Mostly cloudy. Chance of thunderstorms. Lows in the
lower 60s. Highs in the upper 80s. West winds 4-9 mph.
$$
COZ242-192330-
Northeast Weld County-
Including Briggsdale, East Pawnee Grasslands, Grover,
Pawnee Buttes, Raymer, and Stoneham
313 AM MDT Wed Aug 19 2026
.TODAY...
Sky/weather.........Mostly sunny until 1500, then partly
cloudy(30-35%).
Chance of thunder...0 percent.
Max Temperature.....84-88.
24 hr trend......Little change.
Min Humidity........25-29%.
24 hr trend......Little change.
20-foot winds.......Northwest winds 4-9 mph until 1200, then
northeast 5-8 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 35-45 mph.
Mixing height.......Below 1000 FT AGL until 0900, then 7500-8500 ft
AGL.
Transport winds.....Northwest around 10 mph.
Smoke dispersal.....Poor until 1300, then good.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min Temperature.....57-61.
24 hr trend......Little change.
Max Humidity........82-88%.
24 hr trend......7-10% drier.
20-foot winds.......Southeast winds 4-12 mph. Gusts up to 20 mph in
the evening.
CWR.................0 percent.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......4000-5000 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....Southeast 10-15 mph until 0100, then south.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max Temperature.....89-93.
24 hr trend......4-7 degrees warmer.
Min Humidity........18-24%.
24 hr trend......7-10% drier.
20-foot winds.......Northeast winds 4-12 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......Below 1000 FT AGL until 0900, then 8500-9500 ft
AGL.
Transport winds.....Light winds until 0800, then north around 10
mph until 0900, then light until 1200, then
north around 10 mph.
Smoke dispersal.....Poor until 1400, then good.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. Southeast
winds 4-9 mph.
.FRIDAY...Mostly clear. Highs in the mid 90s. East winds
5-12 mph.
.SATURDAY...Partly cloudy. Chance of thunderstorms. Lows in the
lower 60s. Highs in the lower 90s. Southeast winds 7-14 mph.
.SUNDAY...Mostly cloudy. Chance of thunderstorms. Lows in the
lower 60s. Highs in the lower 90s. West winds 5-12 mph.
$$
COZ243-192330-
Central and South Weld County-
Including Eaton, Fort Lupton, Greeley, and Roggen
313 AM MDT Wed Aug 19 2026
.TODAY...
Sky/weather.........Partly cloudy(30-35%) until 0900, then mostly
sunny until 1200, then partly cloudy. Slight
chance of thunderstorms after 1200 until 1500.
Chance of thunder...10 percent.
Max Temperature.....87-91.
24 hr trend......Little change.
Min Humidity........24-28%.
24 hr trend......Little change.
20-foot winds.......Northwest winds 4-7 mph until 1200, then east
4-12 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 35-45 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 8000-9000 ft
AGL.
Transport winds.....Light winds until 1300, then northwest around
10 mph until 1700, then northeast.
Smoke dispersal.....Poor until 1400, then good.
.TONIGHT...
Sky/weather.........Partly cloudy(30-35%).
Chance of thunder...0 percent.
Min Temperature.....57-61.
24 hr trend......Little change.
Max Humidity........78-88%.
24 hr trend......10-15% drier.
20-foot winds.......East winds 4-12 mph. Gusts up to 20 mph in the
evening.
CWR.................0 percent.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......3500-4500 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....Southeast 10-15 mph until 0200, then south
until 0400, then northwest until 0500, then
light.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max Temperature.....92-96.
24 hr trend......4-7 degrees warmer.
Min Humidity........17-21%.
24 hr trend......4-7% drier.
20-foot winds.......Northwest winds 4-7 mph until 1200, then
northeast 5-12 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......Below 1000 FT AGL until 0900. 9000-10000 ft AGL
after 1200.
Transport winds.....Light winds until 1200, then north 10-15 mph.
Smoke dispersal.....Poor until 1400, then good.
.THURSDAY NIGHT...Mostly clear. Lows around 60. Southeast winds
4-8 mph.
.FRIDAY...Mostly clear. Highs in the upper 90s. East winds
4-9 mph.
.SATURDAY...Partly cloudy. Chance of thunderstorms. Lows in the
lower 60s. Highs in the mid 90s. Southeast winds 4-9 mph.
.SUNDAY...Mostly cloudy. Chance of thunderstorms. Lows in the
lower 60s. Highs in the lower 90s. West winds 4-8 mph.
$$
COZ244-192330-
Morgan County-
Including Brush, Fort Morgan, Goodrich, and Wiggins
313 AM MDT Wed Aug 19 2026
.TODAY...
Sky/weather.........Partly cloudy(30-40%) until 0900, then mostly
sunny until 1500, then partly cloudy(30-40%).
Chance of thunder...0 percent.
Max Temperature.....86-90.
24 hr trend......Little change.
Min Humidity........26-30%.
24 hr trend......Little change.
20-foot winds.......West winds 4-9 mph until 1200, then northeast
4-12 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 35-45 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 7500-8500 ft
AGL.
Transport winds.....West around 10 mph until 1000, then northwest
until 1100, then light until 1300, then north
around 10 mph.
Smoke dispersal.....Poor until 1400, then good.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min Temperature.....58-62.
24 hr trend......Little change.
Max Humidity........83-93%.
24 hr trend......2-4% drier.
20-foot winds.......Southeast winds 5-13 mph with gusts to around
20 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 30-40 mph.
Mixing height.......3500-4500 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....Southeast 10-15 mph until 0100, then south.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max Temperature.....91-95.
24 hr trend......4-7 degrees warmer.
Min Humidity........22-26%.
24 hr trend......2-4% drier.
20-foot winds.......West winds 4-8 mph until 1200, then northeast
5-12 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 7500-8500 ft
AGL.
Transport winds.....South around 10 mph until 0700, then west until
0800, then light until 1400, then north around
10 mph.
Smoke dispersal.....Poor until 1500, then good.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. Southeast
winds 4-9 mph.
.FRIDAY...Mostly clear. Highs in the upper 90s. Southeast winds
5-12 mph.
.SATURDAY...Partly cloudy. Chance of thunderstorms. Lows in the
lower 60s. Highs in the mid 90s. Southeast winds 6-13 mph.
.SUNDAY...Mostly cloudy. Chance of thunderstorms. Lows in the
lower 60s. Highs in the lower 90s. West winds 5-12 mph.
$$
COZ245-192330-
Central and East Adams and Arapahoe Counties-
Including Bennett, Byers, Deer Trail, and Leader
313 AM MDT Wed Aug 19 2026
.TODAY...
Sky/weather.........Partly cloudy(30-40%) until 0900, then mostly
sunny until 1500, then partly cloudy(35-45%).
Slight chance of thunderstorms after 1500.
Chance of thunder...20 percent.
Max Temperature.....85-89.
24 hr trend......2-4 degrees cooler.
Min Humidity........28-32%.
24 hr trend......4-7% wetter.
20-foot winds.......West winds 4-13 mph until 1200, then northeast.
CWR.................0 percent.
15K FT MSL winds....Northwest 30-40 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 7500-8500 ft
AGL.
Transport winds.....Southwest around 10 mph until 0700, then light
until 0800, then northwest around 10 mph until
1100, then light until 1200, then north around
10 mph until 1700, then east.
Smoke dispersal.....Poor until 1400, then good.
.TONIGHT...
Sky/weather.........Mostly cloudy(50-60%) until 2100, then partly
cloudy(30-35%). Slight chance of thunderstorms
until 2100.
Chance of thunder...10 percent.
Min Temperature.....60-64.
24 hr trend......Little change.
Max Humidity........71-81%.
24 hr trend......10-15% drier.
20-foot winds.......South winds 7-15 mph with gusts to around 25
mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......3500-4500 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....Southeast 10-15 mph until 2200. Southwest after
0500.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max Temperature.....90-94.
24 hr trend......4-7 degrees warmer.
Min Humidity........19-23%.
24 hr trend......7-10% drier.
20-foot winds.......West winds 4-13 mph until 1200, then northeast.
CWR.................0 percent.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 9000-10000
ft AGL.
Transport winds.....West around 10 mph until 1000, then light until
1200, then north around 10 mph until 1300, then
light until 1400, then north around 10 mph.
Smoke dispersal.....Poor until 1400, then good.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. South
winds 6-12 mph.
.FRIDAY...Mostly clear. Highs in the mid 90s. South winds
5-12 mph.
.SATURDAY...Partly cloudy. Chance of thunderstorms. Lows in the
mid 60s. Highs in the lower 90s. South winds 6-13 mph.
.SUNDAY...Mostly cloudy. Chance of thunderstorms. Lows in the
lower 60s. Highs in the lower 90s. West winds 5-12 mph.
$$
COZ248-192330-
Logan County-
Including Crook, Merino, Sterling, and Peetz
313 AM MDT Wed Aug 19 2026
.TODAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max Temperature.....84-88.
24 hr trend......Little change.
Min Humidity........30-34%.
24 hr trend......Little change.
20-foot winds.......West winds 5-12 mph until 1200, then north 4-13
mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 35-45 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 7000-8000 ft
AGL.
Transport winds.....Northwest around 10 mph until 1000, then north.
Smoke dispersal.....Poor until 1400, then good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min Temperature.....58-62.
24 hr trend......Little change.
Max Humidity........84-94%.
24 hr trend......4-7% drier.
20-foot winds.......Southeast winds 4-12 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 30-40 mph.
Mixing height.......3000-4000 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....Northeast around 10 mph until 2000. South after
0200.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max Temperature.....88-92.
24 hr trend......2-4 degrees warmer.
Min Humidity........26-32%.
24 hr trend......2-4% drier.
20-foot winds.......South winds 4-7 mph until 1200, then east 4-8
mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 7000-8000 ft
AGL.
Transport winds.....South around 10 mph until 1000, then light
until 1600, then north around 10 mph.
Smoke dispersal.....Poor until 1600, then fair.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. Southeast
winds 4-9 mph.
.FRIDAY...Mostly clear. Highs in the mid 90s. Southeast winds
4-9 mph.
.SATURDAY...Partly cloudy. Chance of thunderstorms. Lows in the
lower 60s. Highs in the lower 90s. Southeast winds 8-15 mph.
.SUNDAY...Partly cloudy. Chance of thunderstorms. Lows in the
lower 60s. Highs in the lower 90s. Southwest winds 6-13 mph.
$$
COZ249-192330-
Washington County-
Including Akron, Cope, Last Chance, and Otis
313 AM MDT Wed Aug 19 2026
.TODAY...
Sky/weather.........Partly cloudy(35-45%) until 0900, then mostly
sunny until 1500, then partly cloudy.
Chance of thunder...0 percent.
Max Temperature.....85-89.
24 hr trend......2-4 degrees cooler.
Min Humidity........30-34%.
24 hr trend......2-4% drier.
20-foot winds.......West winds 6-12 mph with gusts to around 20 mph
until 1200, then north.
CWR.................0 percent.
15K FT MSL winds....Northwest 35-45 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 6000-7000 ft
AGL.
Transport winds.....West around 10 mph until 1200, then north.
Smoke dispersal.....Poor until 1500, then good.
.TONIGHT...
Sky/weather.........Partly cloudy(30-40%).
Chance of thunder...0 percent.
Min Temperature.....60-64.
24 hr trend......Little change.
Max Humidity........80-90%.
24 hr trend......7-10% drier.
20-foot winds.......Southeast winds 7-14 mph until 2400, then south
6-13 mph. Gusts up to 20 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......3000-4000 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....East 10-15 mph until 2200. South after 0400.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max Temperature.....90-94.
24 hr trend......4-7 degrees warmer.
Min Humidity........22-28%.
24 hr trend......2-4% drier.
20-foot winds.......Southwest winds 6-13 mph until 1200, then north
5-12 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 8000-9000 ft
AGL.
Transport winds.....Southwest around 10 mph until 1100. North after
1300.
Smoke dispersal.....Poor until 1500, then good.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. Southeast
winds 6-13 mph.
.FRIDAY...Mostly clear. Highs in the mid 90s. South winds
6-13 mph.
.SATURDAY...Partly cloudy. Chance of thunderstorms. Lows in the
mid 60s. Highs in the lower 90s. Southeast winds 9-16 mph.
.SUNDAY...Partly cloudy. Chance of thunderstorms. Lows in the
lower 60s. Highs in the lower 90s. Southwest winds 7-14 mph.
$$
COZ250-192330-
Sedgwick County-
Including Julesburg, Ovid, and Sedgwick
313 AM MDT Wed Aug 19 2026
.TODAY...
Sky/weather.........Partly cloudy until 0900, then mostly sunny.
Chance of thunder...0 percent.
Max Temperature.....82-86.
24 hr trend......Little change.
Min Humidity........33-37%.
24 hr trend......4-7% drier.
20-foot winds.......West winds 6-12 mph until 1200, then north 7-11
mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 35-45 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 6000-7000 ft
AGL.
Transport winds.....Northwest around 15 mph until 1100, then north.
Smoke dispersal.....Poor until 1400, then good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min Temperature.....Around 60.
24 hr trend......Little change.
Max Humidity........96-99%.
24 hr trend......2-4% drier.
20-foot winds.......Southeast winds 5-12 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 30-40 mph.
Mixing height.......3000-4000 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....Northeast around 10 mph until 2000. South after
0100.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max Temperature.....87-91.
24 hr trend......4-7 degrees warmer.
Min Humidity........32-36%.
24 hr trend......Little change.
20-foot winds.......South winds 4-12 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 6500-7500 ft
AGL.
Transport winds.....South around 10 mph until 1500. Northwest after
1600.
Smoke dispersal.....Poor until 1500, then fair.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. Southeast
winds 5-12 mph.
.FRIDAY...Mostly clear. Highs in the lower 90s. Southeast winds
5-12 mph.
.SATURDAY...Partly cloudy. Chance of thunderstorms. Lows in the
lower 60s. Highs in the upper 80s. Southeast winds 12-18 mph.
.SUNDAY...Partly cloudy. Slight chance of thunderstorms. Lows in
the lower 60s. Highs around 90. Southeast winds 10-17 mph.
$$
COZ251-192330-
Phillips County-
Including Amherst, Haxtun, and Holyoke
313 AM MDT Wed Aug 19 2026
.TODAY...
Sky/weather.........Partly cloudy until 0900, then mostly sunny.
Chance of thunder...0 percent.
Max Temperature.....83-87.
24 hr trend......Little change.
Min Humidity........33-37%.
24 hr trend......2-4% drier.
20-foot winds.......West winds 7-12 mph with gusts to around 20 mph
until 1200, then north.
CWR.................0 percent.
15K FT MSL winds....Northwest 30-40 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 5500-6500 ft
AGL.
Transport winds.....Northwest around 15 mph until 1200, then north.
Smoke dispersal.....Poor until 1300, then good.
.TONIGHT...
Sky/weather.........Mostly clear.
Chance of thunder...0 percent.
Min Temperature.....Around 60.
24 hr trend......Little change.
Max Humidity........94-98%.
24 hr trend......2-4% drier.
20-foot winds.......East winds 4-13 mph until 2400, then south 4-12
mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 30-40 mph.
Mixing height.......3000-4000 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....Northeast around 10 mph until 2100. South after
0200.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max Temperature.....88-92.
24 hr trend......4-7 degrees warmer.
Min Humidity........31-35%.
24 hr trend......2-4% drier.
20-foot winds.......South winds 5-12 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......Below 1000 FT AGL until 0900, then 6500-7500 ft
AGL.
Transport winds.....South 10-15 mph until 1500, then west until
1700, then north.
Smoke dispersal.....Poor until 1500, then fair.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. Southeast
winds 4-9 mph.
.FRIDAY...Mostly clear. Highs in the mid 90s. Southeast winds
5-12 mph.
.SATURDAY...Partly cloudy. Chance of thunderstorms. Lows in the
lower 60s. Highs around 90. Southeast winds 10-17 mph.
.SUNDAY...Partly cloudy. Slight chance of thunderstorms. Lows in
the lower 60s. Highs around 90. South winds 9-16 mph.
$$
COZ246-192330-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County-
Including Agate, Hugo, Limon, and Matheson
313 AM MDT Wed Aug 19 2026
.TODAY...
Sky/weather.........Partly cloudy(40-50%) until 0900, then mostly
sunny until 1500, then partly cloudy(35-45%).
Chance of thunderstorms after 1500.
Chance of thunder...30 percent.
Max Temperature.....84-88.
24 hr trend......2-4 degrees cooler.
Min Humidity........30-34%.
24 hr trend......7-10% wetter.
20-foot winds.......Southwest winds 5-12 mph with gusts to around
20 mph until 1200, then northeast 6-12 mph.
CWR.................0 percent increasing to 10 percent in the
afternoon.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 7000-8000 ft
AGL.
Transport winds.....West around 10 mph until 1200. Northeast after
1700.
Smoke dispersal.....Poor until 1400, then good.
.TONIGHT...
Sky/weather.........Mostly cloudy(50-60%) until 2100, then partly
cloudy(30-40%). Chance of thunderstorms until
2100, then slight chance of thunderstorms until
2400.
Chance of thunder...30 percent.
Min Temperature.....56-62.
24 hr trend......Little change.
Max Humidity........80-90%.
24 hr trend......7-10% drier.
20-foot winds.......South winds 7-15 mph with gusts to around 25
mph.
CWR.................10 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......2500-3500 ft AGL until 2100, then Below 1000 FT
AGL.
Transport winds.....South 10-15 mph until 2300, then around 15 mph.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max Temperature.....89-93.
24 hr trend......4-7 degrees warmer.
Min Humidity........20-24%.
24 hr trend......7-10% drier.
20-foot winds.......Southwest winds 5-12 mph until 1200, then
northeast.
CWR.................0 percent.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 9000-10000
ft AGL.
Transport winds.....Southwest 10-15 mph until 1100. North after
1700.
Smoke dispersal.....Poor until 1400, then good.
.THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. South
winds 5-12 mph.
.FRIDAY...Mostly clear. Slight chance of rain showers. Highs in
the mid 90s. South winds 6-13 mph.
.SATURDAY...Partly cloudy. Chance of thunderstorms. Lows in the
lower 60s. Highs in the lower 90s. South winds 6-13 mph.
.SUNDAY...Partly cloudy. Chance of thunderstorms. Lows in the
lower 60s. Highs in the lower 90s. West winds 5-12 mph.
$$
COZ247-192330-
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Including Forder, Karval, Kutch, and Punkin Center
313 AM MDT Wed Aug 19 2026
.TODAY...
Sky/weather.........Partly cloudy(35-45%) until 1200, then mostly
sunny until 1500, then mostly cloudy(50-60%).
Chance of thunderstorms after 1500.
Chance of thunder...40 percent.
Max Temperature.....85-89.
24 hr trend......4-7 degrees cooler.
Min Humidity........31-35%.
24 hr trend......10-15% wetter.
20-foot winds.......Southwest winds 4-9 mph until 1200, then
southeast 4-13 mph.
CWR.................0 percent increasing to 10 percent in the
afternoon.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 7000-8000 ft
AGL.
Transport winds.....Light winds until 0800, then southwest around
10 mph until 1300, then light until 1500, then
north around 10 mph until 1700, then east.
Smoke dispersal.....Poor until 1500, then fair.
.TONIGHT...
Sky/weather.........Mostly cloudy until 2400, then partly
cloudy(30-35%). Chance of thunderstorms until
2400.
Chance of thunder...40 percent.
Min Temperature.....56-60.
24 hr trend......2-4 degrees cooler.
Max Humidity........89-97%.
24 hr trend......2-4% wetter.
20-foot winds.......South winds 4-12 mph.
CWR.................20 percent decreasing to 0 percent after
midnight.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......1500-2500 ft AGL until 2400, then Below 1000 FT
AGL.
Transport winds.....South 10-15 mph.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny.
Chance of thunder...0 percent.
Max Temperature.....89-93.
24 hr trend......2-4 degrees warmer.
Min Humidity........22-26%.
24 hr trend......7-10% drier.
20-foot winds.......South winds 4-12 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 8000-9000 ft
AGL.
Transport winds.....Southwest around 10 mph until 1400, then west
until 1700, then northeast.
Smoke dispersal.....Poor until 1400, then good.
.THURSDAY NIGHT...Mostly clear. Lows around 60. Southeast winds
4-8 mph.
.FRIDAY...Mostly clear. Highs in the mid 90s. South winds
5-12 mph.
.SATURDAY...Partly cloudy. Slight chance of thunderstorms. Lows
in the lower 60s. Highs in the lower 90s. Southeast winds
6-13 mph.
.SUNDAY...Partly cloudy. Chance of thunderstorms. Lows in the
lower 60s. Highs in the lower 90s. North winds 5-12 mph.
$$
COZ215-192330-
Larimer and Boulder Counties Between 6000 and 9000 Feet-
Including Estes Park, Glendevey, Laramie River Valley, Nederland,
and Red Feather Lakes
313 AM MDT Wed Aug 19 2026
.TODAY...
Sky/weather.........Partly cloudy until 0900, then mostly sunny
until 1200, then partly cloudy(40-50%) until
1500, then mostly cloudy(50-60%). Chance of
thunderstorms after 1200 until 1500, then
slight chance of thunderstorms.
Chance of thunder...30 percent.
Max Temperature.....74-84.
24 hr trend......Little change.
Min Humidity........24-34%.
24 hr trend......Little change.
20-foot winds.......
Valleys/lwr slopes...Northwest winds 4-9 mph with gusts to
around 20 mph.
Ridges/upr slopes....West winds 4-8 mph until 1200, then
northeast 4-12 mph. Gusts up to 25 mph.
CWR.................0 percent increasing to 10 percent in the
afternoon.
15K FT MSL winds....Northwest 30-40 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 9500-10500
ft AGL.
Transport winds.....Northwest 10-15 mph.
Smoke dispersal.....Poor until 1100, then good.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min Temperature.....49-59.
24 hr trend......Little change.
Max Humidity........56-66%.
24 hr trend......10-15% drier.
20-foot winds.......
Valleys/lwr slopes...Southeast winds 4-8 mph with gusts to
around 20 mph until 2400, then west.
Ridges/upr slopes....South winds 4-8 mph with gusts to around
20 mph until 2400, then west 4-9 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......7000-8000 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....West around 10 mph until 1900, then east until
2100, then south until 2300, then light until
0300, then west around 10 mph.
Smoke dispersal.....Fair until 2000, then poor.
.THURSDAY...
Sky/weather.........Mostly sunny until 1500, then partly
cloudy(30-35%).
Chance of thunder...0 percent.
Max Temperature.....79-89.
24 hr trend......4-7 degrees warmer.
Min Humidity........16-22%.
24 hr trend......7-10% drier.
20-foot winds.......
Valleys/lwr slopes...Northwest winds 5-12 mph until 1200, then
north 6-12 mph with gusts to around 20
mph.
Ridges/upr slopes....West winds 5-12 mph until 1200, then north
with gusts to around 20 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 15-25 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 11000-12000
ft AGL.
Transport winds.....Northwest 10-15 mph.
Smoke dispersal.....Poor until 1000, then good until 1200, then
very good until 1700, then good.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. Southwest
winds 4-7 mph.
.FRIDAY...Partly cloudy. Slight chance of thunderstorms. Highs in
the mid 80s. West winds 4-7 mph.
.SATURDAY...Mostly cloudy. Chance of thunderstorms. Lows in the
upper 50s. Highs in the lower 80s. Southwest winds 4-7 mph.
.SUNDAY...Mostly cloudy. Chance of thunderstorms. Lows in the
upper 50s. Highs in the lower 80s. West winds 5-12 mph.
$$
COZ216-192330-
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
313 AM MDT Wed Aug 19 2026
.TODAY...
Sky/weather.........Partly cloudy until 1200, then mostly
cloudy(55-60%). Chance of thunderstorms after
1200.
Chance of thunder...40 percent.
Max Temperature.....75-85.
24 hr trend......2-4 degrees cooler.
Min Humidity........28-34%.
24 hr trend......7-10% wetter.
20-foot winds.......
Valleys/lwr slopes...West winds 4-7 mph until 1200, then
northeast 4-9 mph with gusts to around 20
mph.
Ridges/upr slopes....West winds 4-8 mph until 1200, then north
4-13 mph with gusts to around 20 mph.
CWR.................0 percent increasing to 10 percent in the
afternoon.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 7000-8000 ft
AGL.
Transport winds.....West around 10 mph until 0800, then light until
1100, then northwest 10-15 mph.
Smoke dispersal.....Poor until 1200, then good.
.TONIGHT...
Sky/weather.........Mostly cloudy(50-60%) until 2100, then partly
cloudy(30-35%). Slight chance of thunderstorms
until 2100.
Chance of thunder...10 percent.
Min Temperature.....51-61.
24 hr trend......Little change.
Max Humidity........59-69%.
24 hr trend......15-20% drier.
20-foot winds.......
Valleys/lwr slopes...Southwest winds 4-9 mph. Gusts up to 20
mph after midnight.
Ridges/upr slopes....Southwest winds 4-12 mph with gusts to
around 20 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......2000-3000 ft AGL until 2100, then Below 1000 FT
AGL.
Transport winds.....East around 10 mph until 2000, then light until
2100, then southwest around 10 mph.
Smoke dispersal.....Poor.
.THURSDAY...
Sky/weather.........Mostly sunny until 1200, then partly
cloudy(30-40%). Slight chance of thunderstorms
after 1500.
Chance of thunder...20 percent.
Max Temperature.....79-89.
24 hr trend......4-7 degrees warmer.
Min Humidity........19-23%.
24 hr trend......7-10% drier.
20-foot winds.......
Valleys/lwr slopes...West winds 4-9 mph until 1200, then
northeast 5-12 mph.
Ridges/upr slopes....West winds 4-9 mph until 1200, then
northeast 4-13 mph with gusts to around 20
mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 15-25 mph.
Mixing height.......Below 1000 FT AGL until 0800. 9000-10000 ft AGL
after 1000.
Transport winds.....West around 10 mph until 1000, then northwest.
Smoke dispersal.....Poor until 1100, then good until 1700, then
fair.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. Southwest
winds 4-9 mph.
.FRIDAY...Partly cloudy. Chance of thunderstorms. Highs in the
mid 80s. South winds 4-9 mph.
.SATURDAY...Mostly cloudy. Chance of thunderstorms. Lows in the
upper 50s. Highs in the mid 80s. Southwest winds 4-9 mph.
.SUNDAY...Mostly cloudy. Thunderstorms likely. Lows in the upper
50s. Highs in the lower 80s. West winds 4-9 mph.
$$
COZ211-192330-
Jackson County Below 9000 Feet-
Including Gould, North Park, Rand, Spicer, and Walden
313 AM MDT Wed Aug 19 2026
.TODAY...
Sky/weather.........Partly cloudy until 0900, then mostly sunny
until 1200, then partly cloudy(40-50%). Slight
chance of thunderstorms after 1200 until 1500.
Chance of thunder...10 percent.
Max Temperature.....75-81.
24 hr trend......Little change.
Min Humidity........21-25%.
24 hr trend......Little change.
20-foot winds.......South winds 4-8 mph until 1200, then northwest
10-16 mph. Gusts up to 25 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......Below 1000 FT AGL until 0900. 10000-11000 ft
AGL after 1100.
Transport winds.....Light winds until 1000, then west 10-15 mph
until 1200, then around 20 mph.
Smoke dispersal.....Poor until 1100. Excellent after 1200.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min Temperature.....38-48.
24 hr trend......Little change.
Max Humidity........71-81%.
24 hr trend......25-35% drier.
20-foot winds.......Northwest winds 4-8 mph with gusts to around 25
mph until 2400, then south.
CWR.................0 percent.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......7500-8500 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....Northwest 15-20 mph until 2000, then around 10
mph until 2100, then light.
Smoke dispersal.....Excellent until 1900. Poor after 2000.
.THURSDAY...
Sky/weather.........Mostly sunny until 1500, then partly cloudy.
Chance of thunder...0 percent.
Max Temperature.....80-84.
24 hr trend......2-4 degrees warmer.
Min Humidity........14-18%.
24 hr trend......7-10% drier.
20-foot winds.......Southwest winds 4-7 mph until 1200, then
northwest 7-13 mph with gusts to around 20 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 15-25 mph.
Mixing height.......Below 1000 FT AGL until 0800. 11000-12000 ft
AGL after 1100.
Transport winds.....Light winds until 1000, then northwest 10-15
mph.
Smoke dispersal.....Poor until 1100. Very good after 1500.
.THURSDAY NIGHT...Partly cloudy. Lows in the mid 40s. East winds
4-8 mph.
.FRIDAY...Partly cloudy. Highs in the mid 80s. North winds
4-8 mph.
.SATURDAY...Mostly cloudy. Rain showers likely and chance of
thunderstorms. Lows in the upper 40s. Highs in the lower 80s.
South winds 4-9 mph.
.SUNDAY...Mostly cloudy. Chance of thunderstorms. Lows in the mid
40s. Highs in the upper 70s. Southwest winds 5-12 mph.
$$
COZ213-192330-
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
313 AM MDT Wed Aug 19 2026
.TODAY...
Sky/weather.........Partly cloudy(35-45%) until 1500, then mostly
cloudy(50-60%). Slight chance of thunderstorms
after 1200.
Chance of thunder...20 percent.
Max Temperature.....74-82.
24 hr trend......Little change.
Min Humidity........21-27%.
24 hr trend......2-4% wetter.
20-foot winds.......Southwest winds 4-6 mph until 1200, then
northwest 8-15 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 0900. 9000-10000 ft AGL
after 1200.
Transport winds.....Light winds until 1100, then west around 10 mph
until 1200, then around 20 mph.
Smoke dispersal.....Poor until 1100. Excellent after 1200.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min Temperature.....43-51.
24 hr trend......Little change.
Max Humidity........68-78%.
24 hr trend......20-25% drier.
20-foot winds.......Northwest winds 4-7 mph with gusts to around 20
mph until 2400, then south 4-6 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......7000-8000 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....Northwest 15-20 mph until 2000, then around 10
mph until 2100, then light.
Smoke dispersal.....Very good until 1900. Poor after 0100.
.THURSDAY...
Sky/weather.........Mostly sunny until 1500, then partly
cloudy(30-40%).
Chance of thunder...0 percent.
Max Temperature.....78-86.
24 hr trend......2-4 degrees warmer.
Min Humidity........15-19%.
24 hr trend......4-7% drier.
20-foot winds.......Southwest winds 4-6 mph until 1200, then
northwest 6-13 mph with gusts to around 20 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 15-25 mph.
Mixing height.......Below 1000 FT AGL until 0800. 11000-12000 ft
AGL after 1100.
Transport winds.....Light winds until 1000, then northwest 10-15
mph.
Smoke dispersal.....Poor until 1100. Very good after 1400.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s. East
winds 4-7 mph.
.FRIDAY...Partly cloudy. Highs in the mid 80s. East winds
4-8 mph.
.SATURDAY...Mostly cloudy. Rain showers likely and chance of
thunderstorms. Lows around 50. Highs in the lower 80s. South
winds 4-7 mph.
.SUNDAY...Mostly cloudy. Chance of thunderstorms. Lows in the
upper 40s. Highs in the upper 70s. Southwest winds 4-7 mph.
$$
COZ214-192330-
Central and Southeast Park County-
Including Eleven Mile Canyon Reservoir, Fairplay, Guffey,
Hartsel, Lake George, and South Park
313 AM MDT Wed Aug 19 2026
.TODAY...
Sky/weather.........Partly cloudy until 1200, then mostly cloudy.
Chance of thunderstorms after 1200.
Chance of thunder...50 percent.
Max Temperature.....73-81.
24 hr trend......Little change.
Min Humidity........24-30%.
24 hr trend......4-7% wetter.
20-foot winds.......
Valleys/lwr slopes...Northwest winds 5-13 mph with gusts to
around 25 mph.
Ridges/upr slopes....Northwest winds 5-13 mph with gusts to
around 25 mph.
CWR.................0 percent increasing to 10 percent in the
afternoon.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......Below 1000 FT AGL until 0900. 7500-8500 ft AGL
after 1100.
Transport winds.....Light winds until 0900. Northwest 15-20 mph
after 1200.
Smoke dispersal.....Poor until 1000, then fair until 1100, then
very good until 1600, then good.
.TONIGHT...
Sky/weather.........Mostly cloudy(50-60%) until 2100, then partly
cloudy(30-40%). Chance of thunderstorms until
2100.
Chance of thunder...30 percent.
Min Temperature.....45-51.
24 hr trend......2-4 degrees cooler.
Max Humidity........75-85%.
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 4-9 mph. Gusts up to 20 mph in
the evening.
CWR.................0 percent.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......4500-5500 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....Northwest 10-15 mph until 2100, then southwest
until 2300, then light until 0100, then west
around 10 mph until 0400, then light.
Smoke dispersal.....Fair until 2000, then poor.
.THURSDAY...
Sky/weather.........Mostly sunny until 1200, then partly
cloudy(35-45%) until 1500, then mostly
cloudy(60-65%). Slight chance of thunderstorms
after 1200 until 1500, then chance of
thunderstorms.
Chance of thunder...30 percent.
Max Temperature.....74-82.
24 hr trend......Little change.
Min Humidity........19-23%.
24 hr trend......4-7% drier.
20-foot winds.......
Valleys/lwr slopes...Northwest winds 4-12 mph.
Ridges/upr slopes....Northwest winds 4-9 mph until 1200, then
north 6-10 mph.
CWR.................0 percent increasing to 10 percent in the
afternoon.
15K FT MSL winds....Northwest 15-20 mph.
Mixing height.......Below 1000 FT AGL until 0900. 8000-9000 ft AGL
after 1100.
Transport winds.....Northwest 10-15 mph until 1600, then north.
Smoke dispersal.....Poor until 1100, then good until 1700, then
fair.
.THURSDAY NIGHT...Partly cloudy. Slight chance of thunderstorms.
Lows in the upper 40s. Southwest winds 4-7 mph.
.FRIDAY...Partly cloudy. Chance of thunderstorms. Highs in the
upper 70s. Northeast winds 4-8 mph.
.SATURDAY...Mostly cloudy. Rain showers likely and chance of
thunderstorms. Lows around 50. Highs in the upper 70s. West winds
4-8 mph.
.SUNDAY...Mostly cloudy. Thunderstorms likely. Lows in the upper
40s. Highs in the mid 70s. West winds 4-9 mph.
$$
COZ218-192330-
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
313 AM MDT Wed Aug 19 2026
.TODAY...
Sky/weather.........Partly cloudy(35-45%) until 1500, then mostly
cloudy(50-60%). Chance of thunderstorms after
1200 until 1500, then slight chance of
thunderstorms.
Chance of thunder...30 percent.
Max Temperature.....63-73.
24 hr trend......Little change.
Min Humidity........24-34%.
24 hr trend......Little change.
20-foot winds.......
Valleys/lwr slopes...West winds 6-14 mph with gusts to around
25 mph.
Ridges/upr slopes....West winds 6-14 mph with gusts to around
25 mph.
CWR.................0 percent increasing to 10 percent in the
afternoon.
15K FT MSL winds....Northwest 30-40 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 9000-10000
ft AGL.
Transport winds.....West around 10 mph until 0800, then light until
0900, then west 10-15 mph until 1100, then
around 20 mph.
Smoke dispersal.....Poor until 1000. Excellent after 1200.
.TONIGHT...
Sky/weather.........Partly cloudy.
Chance of thunder...0 percent.
Min Temperature.....42-52.
24 hr trend......4-7 degrees warmer.
Max Humidity........55-65%.
24 hr trend......4-7% drier.
20-foot winds.......
Valleys/lwr slopes...Northwest winds 4-8 mph with gusts to
around 20 mph until 2400, then southwest
4-7 mph.
Ridges/upr slopes....Northwest winds 4-9 mph with gusts to
around 20 mph until 2400, then west.
CWR.................0 percent.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......7000-8000 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....Northwest 15-20 mph until 2000, then around 10
mph until 2100, then light until 0400, then
southwest around 10 mph.
Smoke dispersal.....Very good until 1900. Poor after 2000.
.THURSDAY...
Sky/weather.........Mostly sunny until 1500, then partly
cloudy(30-40%).
Chance of thunder...0 percent.
Max Temperature.....68-78.
24 hr trend......2-4 degrees warmer.
Min Humidity........16-24%.
24 hr trend......7-10% drier.
20-foot winds.......
Valleys/lwr slopes...Northwest winds 5-13 mph. Gusts up to 20
mph in the afternoon.
Ridges/upr slopes....Northwest winds 5-13 mph with gusts to
around 20 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 15-25 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 10500-11500
ft AGL.
Transport winds.....West 10-15 mph until 1500, then northwest.
Smoke dispersal.....Poor until 1000. Very good after 1200.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s. South
winds 4-8 mph.
.FRIDAY...Partly cloudy. Chance of thunderstorms. Highs in the
mid 70s. West winds 4-8 mph.
.SATURDAY...Rain showers likely and chance of thunderstorms. Lows
around 50. Highs in the lower 70s. Southwest winds 4-8 mph.
.SUNDAY...Mostly cloudy. Chance of thunderstorms. Lows in the
upper 40s. Highs in the upper 60s. West winds 5-12 mph.
$$
COZ212-192330-
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
313 AM MDT Wed Aug 19 2026
.TODAY...
Sky/weather.........Partly cloudy(30-35%) until 1200, then mostly
cloudy(55-60%). Chance of thunderstorms after
1200.
Chance of thunder...30 percent.
Max Temperature.....63-73.
24 hr trend......2-4 degrees cooler.
Min Humidity........28-38%.
24 hr trend......7-10% wetter.
20-foot winds.......
Valleys/lwr slopes...Northwest winds 6-14 mph with gusts to
around 25 mph.
Ridges/upr slopes....Northwest winds 7-15 mph with gusts to
around 30 mph.
CWR.................0 percent increasing to 10 percent in the
afternoon.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 8000-9000 ft
AGL.
Transport winds.....West 10-15 mph until 1100, then northwest
around 20 mph.
Smoke dispersal.....Poor until 1000. Very good after 1200.
.TONIGHT...
Sky/weather.........Mostly cloudy(50-60%) until 2100, then partly
cloudy(30-35%). Slight chance of thunderstorms
until 2100.
Chance of thunder...10 percent.
Min Temperature.....41-51.
24 hr trend......Little change.
Max Humidity........61-71%.
24 hr trend......10-15% drier.
20-foot winds.......
Valleys/lwr slopes...West winds 4-9 mph. Gusts up to 25 mph in
the evening.
Ridges/upr slopes....West winds 4-12 mph. Gusts up to 25 mph in
the evening.
CWR.................0 percent.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......5500-6500 ft AGL until 2000. Below 1000 FT AGL
after 2100.
Transport winds.....West 10-15 mph.
Smoke dispersal.....Good until 1900, then poor.
.THURSDAY...
Sky/weather.........Mostly sunny until 1200, then partly
cloudy(35-45%). Slight chance of thunderstorms
after 1200.
Chance of thunder...20 percent.
Max Temperature.....66-76.
24 hr trend......4-7 degrees warmer.
Min Humidity........19-27%.
24 hr trend......10-15% drier.
20-foot winds.......
Valleys/lwr slopes...Northwest winds 6-14 mph with gusts to
around 20 mph.
Ridges/upr slopes....Northwest winds 6-14 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 15-25 mph.
Mixing height.......Below 1000 FT AGL until 0800. 10500-11500 ft
AGL after 1100.
Transport winds.....Northwest 10-15 mph until 1700, then around 10
mph.
Smoke dispersal.....Poor until 1000. Good after 1200.
.THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s. Southwest
winds 4-9 mph.
.FRIDAY...Partly cloudy. Chance of thunderstorms. Highs in the
lower 70s. West winds 4-8 mph.
.SATURDAY...Mostly cloudy. Rain showers likely and chance of
thunderstorms. Lows in the upper 40s. Highs in the lower 70s.
Southwest winds 4-8 mph.
.SUNDAY...Mostly cloudy. Chance of thunderstorms. Lows in the
upper 40s. Highs in the upper 60s. West winds 5-12 mph.
$$
COZ217-192330-
West Jackson and West Grand Counties Above 9000 Feet-
Including East Slopes Park and Northern Gore Ranges, Gore Pass,
and Rabbit Ears Pass
313 AM MDT Wed Aug 19 2026
.TODAY...
Sky/weather.........Partly cloudy until 0900, then mostly sunny
until 1200, then partly cloudy(40-50%).
Chance of thunder...0 percent.
Max Temperature.....68-78.
24 hr trend......Little change.
Min Humidity........22-30%.
24 hr trend......Little change.
20-foot winds.......
Valleys/lwr slopes...West winds 7-15 mph with gusts to around
25 mph.
Ridges/upr slopes....West winds 7-15 mph with gusts to around
30 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 25-35 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 9000-10000
ft AGL.
Transport winds.....Light winds until 0900. West 20-25 mph after
1100.
Smoke dispersal.....Poor until 1000. Excellent after 1200.
.TONIGHT...
Sky/weather.........Partly cloudy(30-35%).
Chance of thunder...0 percent.
Min Temperature.....44-52.
24 hr trend......Little change.
Max Humidity........53-63%.
24 hr trend......20-25% drier.
20-foot winds.......
Valleys/lwr slopes...West winds 4-9 mph. Gusts up to 25 mph in
the evening.
Ridges/upr slopes....West winds 4-9 mph. Gusts up to 25 mph in
the evening.
CWR.................0 percent.
15K FT MSL winds....Northwest 20-30 mph.
Mixing height.......7500-8500 ft AGL until 2000, then Below 1000 FT
AGL.
Transport winds.....Northwest 15-20 mph until 2000, then around 10
mph until 2100, then light.
Smoke dispersal.....Excellent until 1900. Poor after 2000.
.THURSDAY...
Sky/weather.........Mostly sunny until 1500, then partly cloudy.
Chance of thunder...0 percent.
Max Temperature.....71-81.
24 hr trend......4-7 degrees warmer.
Min Humidity........15-21%.
24 hr trend......7-10% drier.
20-foot winds.......
Valleys/lwr slopes...West winds 5-13 mph. Gusts up to 20 mph in
the afternoon.
Ridges/upr slopes....Northwest winds 5-13 mph with gusts to
around 20 mph.
CWR.................0 percent.
15K FT MSL winds....Northwest 15-25 mph.
Mixing height.......Below 1000 FT AGL until 0800, then 10000-11000
ft AGL.
Transport winds.....West around 10 mph until 0700, then light until
0900, then northwest 10-15 mph.
Smoke dispersal.....Poor until 1000. Very good after 1200.
.THURSDAY NIGHT...Partly cloudy. Lows around 50. Southeast winds
4-8 mph.
.FRIDAY...Partly cloudy. Highs in the upper 70s. West winds
4-8 mph.
.SATURDAY...Mostly cloudy. Rain showers likely and chance of
thunderstorms. Lows in the lower 50s. Highs in the mid 70s.
Southwest winds 5-12 mph.
.SUNDAY...Mostly cloudy. Chance of thunderstorms. Lows in the
upper 40s. Highs in the lower 70s. Southwest winds 5-12 mph.
$$
.Outlook 6 to 10 Days...
Temperatures Above Normal and Precipitation Above Normal.
$$