192
FNUS55 KBOU 170912
FWFBOU
FIRE WEATHER FORECAST FOR NORTHEAST AND NORTH CENTRAL COLORADO
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
312 AM MDT MON AUG 17 2026
DISCUSSION...TODAY AND SATURDAY
NO CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED THIS WEEK. WARMER
AND DRIER WEATHER WILL START TODAY. RELATIVE HUMIDITIES WILL DROP
INTO THE 15% TO 25% RANGE FOR THE HIGH VALLEYS AND 20% TO 45%
RANGE ELSEWHERE. WINDS WILL BE WEAK THIS AFTERNOON, WITH THE
EXCEPTION OF GUSTY WINDS FROM ISOLATED THUNDERSTORMS. A WEAK COLD
FRONT WILL MOVE THROUGH ON TUESDAY, BRINGING SCATTERED SHOWERS
AND THUNDERSTORMS TUESDAY AND WEDNESDAY AFTERNOONS. TEMPERATURES
WILL LOWER BRIEFLY FOR WEDNESDAY BEHIND THE FRONT, BEFORE
TEMPERATURES INCREASE TO ABOVE NORMAL THROUGH THE END OF THE
WEEK. RELATIVE HUMIDITIES WILL GENERALLY REMAIN ABOVE 18% FOR
THURSDAY INTO THE WEEKEND AND WINDS GUSTS WILL REMAIN MARGINAL.
...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...
COZ238-172215-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
INCLUDING FORT COLLINS, HEREFORD, LOVELAND, NUNN,
AND WEST PAWNEE GRASSLANDS
312 AM MDT MON AUG 17 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY
CLOUDY(30-40%). PATCHY FOG UNTIL 0800.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....85-89.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........21-25%.
24 HR TREND......15-20% DRIER.
20-FOOT WINDS.......WEST WINDS 4-7 MPH UNTIL 1200, THEN SOUTH 4-13
MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 15-25 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900. 10500-11500 FT
AGL AFTER 1100.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1200, THEN WEST AROUND 10
MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200. GOOD AFTER 1400.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY(30-40%).
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....56-60.
24 HR TREND......2-4 DEGREES WARMER.
MAX HUMIDITY........58-68%.
24 HR TREND......25-35% DRIER.
20-FOOT WINDS.......SOUTHEAST WINDS 4-9 MPH UNTIL 2400, THEN
NORTHWEST.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 15-25 MPH.
MIXING HEIGHT.......7000 FT AGL UNTIL 1900. BELOW 1000 FT AGL AFTER
2000.
TRANSPORT WINDS.....NORTH AROUND 10 MPH UNTIL 1900, THEN SOUTHEAST
UNTIL 2400, THEN SOUTHWEST UNTIL 0200, THEN
NORTHWEST.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 1200, THEN MOSTLY
CLOUDY(50-60%). CHANCE OF THUNDERSTORMS AFTER
1200.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....84-90.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........24-28%.
24 HR TREND......2-4% WETTER.
20-FOOT WINDS.......NORTH WINDS 6-14 MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900, THEN 5500-6500 FT
AGL.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN GOOD UNTIL 1600, THEN
FAIR.
TUESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 50S. NORTHWEST WINDS 4-7 MPH.
WEDNESDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. HIGHS IN THE
LOWER 80S. SOUTH WINDS 4-9 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
80S. EAST WINDS 4-8 MPH.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 50S. HIGHS AROUND 90. EAST WINDS 4-8 MPH.
COZ239-172215-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
INCLUDING ARVADA, BOULDER, GOLDEN, LAKEWOOD, AND LONGMONT
312 AM MDT MON AUG 17 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY
CLOUDY(30-40%).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....86-90.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........21-25%.
24 HR TREND......15-20% DRIER.
20-FOOT WINDS.......SOUTH WINDS 4-7 MPH UNTIL 1200, THEN EAST 5-8
MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 15-20 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900. 10500-11500 FT
AGL AFTER 1100.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1300, THEN WEST AROUND 10 MPH
UNTIL 1700, THEN SOUTHEAST.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY(30-40%).
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....58-62.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........53-63%.
24 HR TREND......15-20% DRIER.
20-FOOT WINDS.......WEST WINDS 4-9 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......5000-6000 FT AGL UNTIL 2000, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0100, THEN WEST AROUND 10
MPH.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY(30-40%) UNTIL 1500, THEN MOSTLY
CLOUDY(60-65%). SLIGHT CHANCE OF THUNDERSTORMS
AFTER 1200.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....89-93.
24 HR TREND......2-4 DEGREES WARMER.
MIN HUMIDITY........19-25%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......WEST WINDS 4-8 MPH UNTIL 1200, THEN NORTH 5-12
MPH WITH GUSTS TO AROUND 20 MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900. 8500-9500 FT AGL
AFTER 1100.
TRANSPORT WINDS.....WEST AROUND 10 MPH UNTIL 0900, THEN LIGHT UNTIL
1000, THEN NORTHWEST 10-15 MPH UNTIL 1700, THEN
NORTH.
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN GOOD UNTIL 1700, THEN
FAIR.
TUESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 50S. NORTHWEST WINDS 4-6 MPH.
WEDNESDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. HIGHS IN THE
MID 80S. SOUTH WINDS 4-7 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 80S. EAST WINDS 4-6 MPH.
FRIDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE LOWER 90S.
SOUTHEAST WINDS 4-7 MPH.
COZ240-172215-
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
312 AM MDT MON AUG 17 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1500, THEN PARTLY
CLOUDY(30-40%).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....87-91.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........18-22%.
24 HR TREND......15-20% DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS 4-8 MPH UNTIL 1200, THEN EAST.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 15-20 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900. 11000-12000 FT
AGL AFTER 1100.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1400, THEN WEST AROUND 10 MPH
UNTIL 1600, THEN LIGHT UNTIL 1700, THEN WEST
AROUND 10 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1300, THEN GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY(30-35%).
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....60-64.
24 HR TREND......4-7 DEGREES WARMER.
MAX HUMIDITY........56-62%.
24 HR TREND......25-35% DRIER.
20-FOOT WINDS.......SOUTHEAST WINDS 5-12 MPH UNTIL 2400, THEN
SOUTHWEST. GUSTS UP TO 20 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 15-25 MPH.
MIXING HEIGHT.......9000 FT AGL UNTIL 1900. BELOW 1000 FT AGL AFTER
2000.
TRANSPORT WINDS.....NORTH AROUND 10 MPH UNTIL 1900, THEN SOUTHEAST
UNTIL 2300, THEN SOUTHWEST.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY
CLOUDY(30-40%) UNTIL 1500, THEN MOSTLY
CLOUDY(50-60%).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....90-94.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........16-20%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......WEST WINDS 4-9 MPH UNTIL 1200, THEN NORTH 5-12
MPH WITH GUSTS TO AROUND 20 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900. 8500-9500 FT AGL
AFTER 1100.
TRANSPORT WINDS.....WEST AROUND 10 MPH UNTIL 1000. NORTHEAST AFTER
1700.
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN GOOD.
TUESDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS.
LOWS IN THE LOWER 60S. SOUTHWEST WINDS 4-7 MPH.
WEDNESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS
IN THE UPPER 80S. SOUTH WINDS 4-8 MPH.
THURSDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE UPPER 80S.
SOUTHEAST WINDS 4-8 MPH.
FRIDAY
MOSTLY CLEAR. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. HIGHS IN THE LOWER 90S. SOUTHEAST WINDS 4-9 MPH.
COZ241-172215-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING CASTLE ROCK, ELBERT, FONDIS, KIOWA, AND LARKSPUR
312 AM MDT MON AUG 17 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY CLOUDY.
PATCHY FOG UNTIL 0800. SLIGHT CHANCE OF
THUNDERSTORMS AFTER 1400.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....81-87.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........22-32%.
24 HR TREND......20-25% DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS 4-9 MPH UNTIL 1200, THEN
SOUTHEAST 4-8 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 15-20 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900. 10000-11000 FT
AGL AFTER 1100.
TRANSPORT WINDS.....SOUTHWEST 10-15 MPH UNTIL 1100, THEN LIGHT
UNTIL 1500, THEN SOUTHWEST AROUND 10 MPH UNTIL
1700, THEN SOUTH.
SMOKE DISPERSAL.....POOR UNTIL 1300, THEN GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....57-61.
24 HR TREND......2-4 DEGREES WARMER.
MAX HUMIDITY........62-72%.
24 HR TREND......25-35% DRIER.
20-FOOT WINDS.......SOUTH WINDS 7-15 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 15-20 MPH.
MIXING HEIGHT.......7000 FT AGL UNTIL 1900. BELOW 1000 FT AGL AFTER
2000.
TRANSPORT WINDS.....SOUTH 10-15 MPH UNTIL 0400, THEN SOUTHWEST.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1500, THEN PARTLY
CLOUDY(35-45%).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....86-90.
24 HR TREND......2-4 DEGREES WARMER.
MIN HUMIDITY........18-22%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......WEST WINDS 6-12 MPH UNTIL 1200, THEN NORTH 4-13
MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 15-25 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900. 9000-10000 FT AGL
AFTER 1000.
TRANSPORT WINDS.....WEST AROUND 10 MPH UNTIL 1600, THEN NORTHWEST
UNTIL 1700, THEN NORTHEAST.
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN GOOD UNTIL 1700, THEN
FAIR.
TUESDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS.
LOWS IN THE UPPER 50S. NORTH WINDS 4-7 MPH.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. HIGHS IN THE
MID 80S. SOUTH WINDS 4-9 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID
80S. SOUTH WINDS 4-9 MPH.
FRIDAY
MOSTLY CLEAR. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 50S. HIGHS IN THE UPPER 80S. SOUTH WINDS 5-12 MPH.
COZ242-172215-
NORTHEAST WELD COUNTY-
INCLUDING BRIGGSDALE, EAST PAWNEE GRASSLANDS, GROVER,
PAWNEE BUTTES, RAYMER, AND STONEHAM
312 AM MDT MON AUG 17 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1500, THEN PARTLY
CLOUDY(35-45%). PATCHY FOG UNTIL 0800. SLIGHT
CHANCE OF RAIN SHOWERS AFTER 1400 UNTIL 1500,
THEN SLIGHT CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....86-90.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........22-32%.
24 HR TREND......15-20% DRIER.
20-FOOT WINDS.......WEST WINDS 4-8 MPH UNTIL 1200, THEN SOUTH 5-8
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 1300.
TRANSPORT WINDS.....WEST AROUND 10 MPH UNTIL 0900, THEN LIGHT UNTIL
1100, THEN WEST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1400, THEN GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY(30-40%).
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....57-61.
24 HR TREND......2-4 DEGREES WARMER.
MAX HUMIDITY........74-80%.
24 HR TREND......20-25% DRIER.
20-FOOT WINDS.......SOUTHEAST WINDS 4-13 MPH UNTIL 2400, THEN
SOUTHWEST 4-9 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 15-25 MPH.
MIXING HEIGHT.......7000 FT AGL UNTIL 1900. BELOW 1000 FT AGL AFTER
2000.
TRANSPORT WINDS.....SOUTHEAST 10-15 MPH UNTIL 2400. WEST AFTER
0400.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY(30-40%) UNTIL 1500, THEN MOSTLY
CLOUDY(55-60%). SLIGHT CHANCE OF THUNDERSTORMS
AFTER 1200.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....84-90.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........25-35%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTH WINDS 7-15 MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 30-40 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900. 5500-6500 FT AGL
AFTER 1200.
TRANSPORT WINDS.....NORTH 10-15 MPH UNTIL 1700, THEN NORTHEAST.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.
TUESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 50S. NORTHEAST WINDS 4-8 MPH.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. HIGHS IN THE
LOWER 80S. SOUTH WINDS 4-9 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
80S. EAST WINDS 4-8 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER
90S. SOUTHEAST WINDS 4-9 MPH.
COZ243-172215-
CENTRAL AND SOUTH WELD COUNTY-
INCLUDING EATON, FORT LUPTON, GREELEY, AND ROGGEN
312 AM MDT MON AUG 17 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1500, THEN PARTLY
CLOUDY(35-45%). PATCHY FOG UNTIL 0800.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....88-92.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........21-25%.
24 HR TREND......10-15% DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS 4-7 MPH UNTIL 1200, THEN EAST
4-8 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 15-25 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900. 10500-11500 FT
AGL AFTER 1200.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1400, THEN WEST AROUND 10
MPH.
SMOKE DISPERSAL.....POOR UNTIL 1300, THEN GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....55-61.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........70-80%.
24 HR TREND......20-25% DRIER.
20-FOOT WINDS.......EAST WINDS 4-9 MPH UNTIL 2400, THEN WEST.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......7500 FT AGL UNTIL 1900. BELOW 1000 FT AGL AFTER
2000.
TRANSPORT WINDS.....EAST AROUND 10 MPH UNTIL 2300, THEN SOUTH UNTIL
0200, THEN WEST.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY(30-40%) UNTIL 1500, THEN MOSTLY
CLOUDY(50-60%). SLIGHT CHANCE OF THUNDERSTORMS
AFTER 1200.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....89-93.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........20-26%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 4-9 MPH UNTIL 1200, THEN
NORTHEAST 8-15 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 30-40 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900. 7000-8000 FT AGL
AFTER 1500.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH UNTIL 0800, THEN LIGHT
UNTIL 1000, THEN NORTH 10-15 MPH UNTIL 1700,
THEN NORTHEAST.
SMOKE DISPERSAL.....POOR UNTIL 1200. GOOD AFTER 1500.
TUESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 50S. NORTH WINDS 4-7 MPH.
WEDNESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS
IN THE MID 80S. SOUTHEAST WINDS 4-9 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
80S. EAST WINDS 4-8 MPH.
FRIDAY
MOSTLY CLEAR. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 50S. HIGHS IN THE LOWER 90S. SOUTHEAST WINDS 4-8 MPH.
COZ244-172215-
MORGAN COUNTY-
INCLUDING BRUSH, FORT MORGAN, GOODRICH, AND WIGGINS
312 AM MDT MON AUG 17 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1500, THEN PARTLY CLOUDY.
PATCHY FOG UNTIL 0800.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....87-91.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........26-32%.
24 HR TREND......15-20% DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS 4-9 MPH UNTIL 1200, THEN
SOUTHEAST 4-8 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 15-25 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900. 9000-10000 FT AGL
AFTER 1300.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 1000, THEN LIGHT
UNTIL 1400, THEN WEST 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........78-88%.
24 HR TREND......10-15% DRIER.
20-FOOT WINDS.......SOUTHEAST WINDS 6-12 MPH WITH GUSTS TO AROUND
20 MPH UNTIL 2400, THEN SOUTHWEST 5-12 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......7000 FT AGL UNTIL 1900. BELOW 1000 FT AGL AFTER
2000.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH UNTIL 1900, THEN SOUTHEAST
UNTIL 2200, THEN SOUTH UNTIL 0500, THEN
SOUTHWEST.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1500, THEN PARTLY
CLOUDY(35-45%).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....88-92.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........26-34%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTHWEST WINDS 6-12 MPH UNTIL 1200, THEN
NORTHEAST 9-16 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900, THEN 5000-6000 FT
AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH UNTIL 1100, THEN NORTH.
SMOKE DISPERSAL.....POOR UNTIL 1500, THEN GOOD.
TUESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 50S. NORTHEAST WINDS 4-8 MPH.
WEDNESDAY
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS IN THE MID 80S. SOUTH WINDS
5-12 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 80S. SOUTHEAST WINDS 4-9 MPH.
FRIDAY
MOSTLY CLEAR. SLIGHT CHANCE OF THUNDERSTORMS. LOWS
AROUND 60. HIGHS IN THE LOWER 90S. SOUTHEAST WINDS 5-12 MPH.
COZ245-172215-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
INCLUDING BENNETT, BYERS, DEER TRAIL, AND LEADER
312 AM MDT MON AUG 17 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1500, THEN PARTLY
CLOUDY(30-35%). SLIGHT CHANCE OF RAIN SHOWERS
AFTER 1400 UNTIL 1500, THEN SLIGHT CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....87-91.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........21-27%.
24 HR TREND......20-25% DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS 4-9 MPH UNTIL 1200, THEN
SOUTHEAST 4-8 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 15-25 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900. 11000-12000 FT
AGL AFTER 1200.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 1000, THEN LIGHT
UNTIL 1600, THEN SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1400, THEN GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....60-64.
24 HR TREND......2-4 DEGREES WARMER.
MAX HUMIDITY........62-72%.
24 HR TREND......20-25% DRIER.
20-FOOT WINDS.......SOUTH WINDS 8-15 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 15-25 MPH.
MIXING HEIGHT.......9000 FT AGL UNTIL 1900. BELOW 1000 FT AGL AFTER
2000.
TRANSPORT WINDS.....SOUTH 10-15 MPH UNTIL 2200, THEN SOUTHWEST
15-20 MPH.
SMOKE DISPERSAL.....GOOD UNTIL 1900, THEN POOR.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1500, THEN PARTLY
CLOUDY(35-45%).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....89-93.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........18-24%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......WEST WINDS 7-12 MPH UNTIL 1200, THEN NORTH 7-14
MPH WITH GUSTS TO AROUND 20 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900. 5000-6000 FT AGL
AFTER 1100.
TRANSPORT WINDS.....WEST 10-15 MPH UNTIL 1200. NORTHEAST AFTER
1700.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.
TUESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 50S. SOUTH WINDS
4-8 MPH.
WEDNESDAY
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. HIGHS IN THE MID 80S. SOUTH WINDS
5-12 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 80S. SOUTH WINDS 5-12 MPH.
FRIDAY
MOSTLY CLEAR. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. HIGHS IN THE LOWER 90S. SOUTH WINDS 7-14 MPH.
COZ248-172215-
LOGAN COUNTY-
INCLUDING CROOK, MERINO, STERLING, AND PEETZ
312 AM MDT MON AUG 17 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1500, THEN PARTLY CLOUDY.
PATCHY FOG UNTIL 0800. SLIGHT CHANCE OF RAIN
SHOWERS AFTER 1400 UNTIL 1500, THEN SLIGHT
CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....86-90.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........35-41%.
24 HR TREND......15-20% DRIER.
20-FOOT WINDS.......SOUTH WINDS 4-9 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 15-25 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 7000-8000 FT
AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1500, THEN FAIR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY(30-35%).
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....59-63.
24 HR TREND......2-4 DEGREES WARMER.
MAX HUMIDITY........85-95%.
24 HR TREND......7-10% DRIER.
20-FOOT WINDS.......SOUTHEAST WINDS 4-9 MPH UNTIL 2400, THEN
SOUTHWEST 4-13 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......5500 FT AGL UNTIL 1900, THEN BELOW 1000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 10-15 MPH UNTIL 0100, THEN SOUTHWEST.
SMOKE DISPERSAL.....POOR.
TUESDAY
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.....85-89.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........36-42%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTHWEST WINDS 6-13 MPH UNTIL 1200, THEN
NORTHEAST 8-15 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900, THEN 4500-5500 FT
AGL.
TRANSPORT WINDS.....WEST AROUND 10 MPH UNTIL 0800, THEN NORTH.
SMOKE DISPERSAL.....POOR UNTIL 1500, THEN FAIR.
TUESDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. EAST WINDS 4-8 MPH.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. HIGHS IN THE
LOWER 80S. SOUTH WINDS 4-9 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE MID
80S. SOUTHEAST WINDS 4-8 MPH.
FRIDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS AROUND 90. SOUTH
WINDS 4-9 MPH.
COZ249-172215-
WASHINGTON COUNTY-
INCLUDING AKRON, COPE, LAST CHANCE, AND OTIS
312 AM MDT MON AUG 17 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG UNTIL 0800. SLIGHT
CHANCE OF RAIN SHOWERS AFTER 1400 UNTIL 1500,
THEN SLIGHT CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....86-90.
24 HR TREND......7-10 DEGREES WARMER.
MIN HUMIDITY........29-37%.
24 HR TREND......20-25% DRIER.
20-FOOT WINDS.......SOUTH WINDS 6-13 MPH WITH GUSTS TO AROUND 20
MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 15-25 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900. 8500-9500 FT AGL
AFTER 1300.
TRANSPORT WINDS.....SOUTHWEST 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1400, THEN GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....60-64.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........76-86%.
24 HR TREND......20-25% DRIER.
20-FOOT WINDS.......SOUTH WINDS 7-15 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 20-30 MPH.
MIXING HEIGHT.......7000 FT AGL UNTIL 1900. BELOW 1000 FT AGL AFTER
2000.
TRANSPORT WINDS.....SOUTH 10-15 MPH UNTIL 2200, THEN 15-20 MPH.
SMOKE DISPERSAL.....GOOD UNTIL 1900, THEN POOR.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1500, THEN PARTLY
CLOUDY(30-40%).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....88-92.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........24-34%.
24 HR TREND......2-4% WETTER.
20-FOOT WINDS.......WEST WINDS 8-15 MPH UNTIL 1200, THEN NORTH 9-16
MPH. GUSTS UP TO 25 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900, THEN 4500-5500 FT
AGL.
TRANSPORT WINDS.....WEST 10-15 MPH UNTIL 1000. NORTH AFTER 1600.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.
TUESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS
AROUND 60. NORTHEAST WINDS 4-9 MPH.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. HIGHS IN THE
LOWER 80S. SOUTH WINDS 7-14 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 80S. SOUTH WINDS 7-14 MPH.
FRIDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE LOWER 90S.
SOUTH WINDS 7-14 MPH.
COZ250-172215-
SEDGWICK COUNTY-
INCLUDING JULESBURG, OVID, AND SEDGWICK
312 AM MDT MON AUG 17 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG UNTIL 0800. SLIGHT
CHANCE OF THUNDERSTORMS AFTER 1600.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....84-88.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........43-47%.
24 HR TREND......10-15% DRIER.
20-FOOT WINDS.......SOUTH WINDS 4-12 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 15-25 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 6000-7000 FT
AGL.
TRANSPORT WINDS.....SOUTHWEST 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1500, THEN FAIR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2000.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....59-63.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........98-100%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......SOUTH WINDS 6-13 MPH WITH GUSTS TO AROUND 20
MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......4000 FT AGL UNTIL 1900, THEN BELOW 1000 FT AGL.
TRANSPORT WINDS.....SOUTH 10-15 MPH.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY(30-35%) UNTIL 1200, THEN MOSTLY
SUNNY UNTIL 1500, THEN PARTLY CLOUDY(35-45%).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....84-88.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........43-47%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTHWEST WINDS 5-12 MPH UNTIL 1200, THEN
NORTHEAST 9-14 MPH. GUSTS UP TO 20 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 4000-5000 FT
AGL.
TRANSPORT WINDS.....WEST AROUND 10 MPH UNTIL 0900. NORTH AFTER
1300.
SMOKE DISPERSAL.....POOR UNTIL 1400, THEN FAIR.
TUESDAY NIGHT
RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS.
LOWS AROUND 60. EAST WINDS 4-9 MPH.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. HIGHS IN THE
UPPER 70S. SOUTH WINDS 6-12 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE MID
80S. SOUTHEAST WINDS 4-9 MPH.
FRIDAY
MOSTLY CLEAR. SLIGHT CHANCE OF THUNDERSTORMS. LOWS
AROUND 60. HIGHS IN THE UPPER 80S. SOUTH WINDS 5-12 MPH.
COZ251-172215-
PHILLIPS COUNTY-
INCLUDING AMHERST, HAXTUN, AND HOLYOKE
312 AM MDT MON AUG 17 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY. PATCHY FOG UNTIL 0800.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....85-89.
24 HR TREND......7-10 DEGREES WARMER.
MIN HUMIDITY........41-47%.
24 HR TREND......10-15% DRIER.
20-FOOT WINDS.......SOUTH WINDS 4-12 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 15-25 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 6500-7500 FT
AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1500, THEN GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2000.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....AROUND 61.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........98-100%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......SOUTH WINDS 6-12 MPH. GUSTS UP TO 20 MPH IN THE
EVENING.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......5000 FT AGL UNTIL 1900, THEN BELOW 1000 FT AGL.
TRANSPORT WINDS.....SOUTH 10-15 MPH.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY(30-35%) UNTIL 0900, THEN MOSTLY
SUNNY UNTIL 1500, THEN PARTLY CLOUDY(30-40%).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....85-89.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........40-46%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......WEST WINDS 5-12 MPH UNTIL 1200, THEN NORTH 9-15
MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 4000-5000 FT
AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 0900. NORTH AFTER
1300.
SMOKE DISPERSAL.....POOR UNTIL 1500, THEN FAIR.
TUESDAY NIGHT
RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS.
LOWS IN THE UPPER 50S. NORTHEAST WINDS 4-9 MPH.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. HIGHS AROUND
80. SOUTH WINDS 6-13 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE MID
80S. SOUTHEAST WINDS 4-13 MPH.
FRIDAY
MOSTLY CLEAR. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 50S. HIGHS IN THE UPPER 80S. SOUTH WINDS 5-12 MPH.
COZ246-172215-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
INCLUDING AGATE, HUGO, LIMON, AND MATHESON
312 AM MDT MON AUG 17 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY UNTIL 0900, THEN MOSTLY SUNNY
UNTIL 1500, THEN PARTLY CLOUDY. SLIGHT CHANCE
OF RAIN SHOWERS AFTER 1400 UNTIL 1500, THEN
SLIGHT CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....84-88.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........27-35%.
24 HR TREND......15-20% DRIER.
20-FOOT WINDS.......SOUTH 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.......BELOW 1000 FT AGL UNTIL 0900. 10000-11000 FT
AGL AFTER 1300.
TRANSPORT WINDS.....SOUTHWEST 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1400, THEN GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....56-62.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........74-84%.
24 HR TREND......20-25% DRIER.
20-FOOT WINDS.......SOUTH WINDS 7-15 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 15-25 MPH.
MIXING HEIGHT.......7000 FT AGL UNTIL 1900. BELOW 1000 FT AGL AFTER
2000.
TRANSPORT WINDS.....SOUTH 15-20 MPH UNTIL 0500, THEN SOUTHWEST
AROUND 10 MPH.
SMOKE DISPERSAL.....FAIR UNTIL 2000, THEN POOR.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1500, THEN PARTLY
CLOUDY(30-40%).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....89-93.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........17-21%.
24 HR TREND......10-15% DRIER.
20-FOOT WINDS.......WEST WINDS 6-13 MPH UNTIL 1200, THEN NORTH 7-14
MPH. GUSTS UP TO 20 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900. 6000-7000 FT AGL
AFTER 1100.
TRANSPORT WINDS.....WEST AROUND 10 MPH UNTIL 1000. NORTH AFTER
1600.
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN GOOD UNTIL 1700, THEN
FAIR.
TUESDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS.
LOWS IN THE UPPER 50S. NORTHEAST WINDS 4-8 MPH.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. HIGHS IN THE
MID 80S. SOUTH WINDS 6-13 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
80S. SOUTH WINDS 6-13 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER
90S. SOUTH WINDS 7-14 MPH.
COZ247-172215-
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
INCLUDING FORDER, KARVAL, KUTCH, AND PUNKIN CENTER
312 AM MDT MON AUG 17 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY(30-40%) UNTIL 0900, THEN MOSTLY
SUNNY. SLIGHT CHANCE OF RAIN SHOWERS AFTER 1400
UNTIL 1500, THEN SLIGHT CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....82-86.
24 HR TREND......2-4 DEGREES WARMER.
MIN HUMIDITY........33-39%.
24 HR TREND......10-15% DRIER.
20-FOOT WINDS.......SOUTH WINDS 4-12 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST AROUND 15 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 5500-6500 FT
AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 1500, THEN SOUTH.
SMOKE DISPERSAL.....POOR.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....55-59.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........83-93%.
24 HR TREND......10-15% DRIER.
20-FOOT WINDS.......SOUTH WINDS 4-9 MPH. GUSTS UP TO 20 MPH IN THE
EVENING.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 15-20 MPH.
MIXING HEIGHT.......2000-3000 FT AGL UNTIL 2100, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....SOUTH 10-15 MPH UNTIL 0400, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1500, THEN PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....91-95.
24 HR TREND......7-10 DEGREES WARMER.
MIN HUMIDITY........14-18%.
24 HR TREND......20-25% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 4-12 MPH. GUSTS UP TO 20 MPH IN
THE AFTERNOON.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 15-20 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900. 10500-11500 FT
AGL AFTER 1100.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0900, THEN NORTHWEST AROUND
10 MPH UNTIL 1700, THEN NORTH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.
TUESDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS.
LOWS IN THE UPPER 50S. NORTHEAST WINDS 7-14 MPH.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. HIGHS IN THE
MID 80S. SOUTH WINDS 5-12 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
80S. SOUTHEAST WINDS 4-9 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER
90S. SOUTH WINDS 4-9 MPH.
COZ215-172215-
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
INCLUDING ESTES PARK, GLENDEVEY, LARAMIE RIVER VALLEY, NEDERLAND,
AND RED FEATHER LAKES
312 AM MDT MON AUG 17 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY
CLOUDY(35-45%) UNTIL 1500, THEN MOSTLY
CLOUDY(50-60%).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....74-84.
24 HR TREND......2-4 DEGREES WARMER.
MIN HUMIDITY........21-27%.
24 HR TREND......10-15% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 4-9 MPH.
RIDGES/UPR SLOPES....WEST WINDS 4-8 MPH UNTIL 1200, THEN
SOUTHEAST 4-9 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 15-25 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900, THEN 10500-11500
FT AGL.
TRANSPORT WINDS.....WEST 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1000, THEN GOOD UNTIL 1300, THEN
VERY GOOD UNTIL 1700, THEN GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY(30-40%).
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....50-60.
24 HR TREND......4-7 DEGREES WARMER.
MAX HUMIDITY........44-54%.
24 HR TREND......25-35% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 4-9 MPH.
RIDGES/UPR SLOPES....WEST WINDS 4-12 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......9000 FT AGL UNTIL 1900. BELOW 1000 FT AGL AFTER
2000.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH UNTIL 2000, THEN LIGHT
UNTIL 2400, THEN WEST 10-15 MPH.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 1200, THEN MOSTLY
CLOUDY(60-65%). SLIGHT CHANCE OF RAIN SHOWERS
AFTER 0900 UNTIL 1200, THEN CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....74-84.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........22-28%.
24 HR TREND......LITTLE CHANGE.
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 WITH GUSTS TO
AROUND 25 MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800. 7500-8500 FT AGL
AFTER 1000.
TRANSPORT WINDS.....WEST 15-20 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1000, THEN VERY GOOD UNTIL 1600,
THEN GOOD.
TUESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 50S. WEST WINDS 4-7 MPH.
WEDNESDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. HIGHS IN THE
MID 70S. WEST WINDS 4-7 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE
UPPER 70S. WEST WINDS 4-7 MPH.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 50S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 4-7 MPH.
COZ216-172215-
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
312 AM MDT MON AUG 17 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY
CLOUDY(35-45%). SLIGHT CHANCE OF THUNDERSTORMS
AFTER 1400 UNTIL 1600.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....74-84.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........21-27%.
24 HR TREND......20-25% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 4-8 MPH UNTIL 1200, THEN
EAST.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 4-8 MPH UNTIL 1200, THEN
EAST.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 15-20 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900. 10000-11000 FT
AGL AFTER 1100.
TRANSPORT WINDS.....WEST AROUND 10 MPH UNTIL 1000, THEN LIGHT UNTIL
1200, THEN WEST AROUND 10 MPH UNTIL 1700, THEN
SOUTH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY(50-60%) UNTIL 2100, THEN PARTLY
CLOUDY(30-35%).
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....51-61.
24 HR TREND......2-4 DEGREES WARMER.
MAX HUMIDITY........51-61%.
24 HR TREND......25-35% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 4-12 MPH.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 5-13 MPH WITH GUSTS TO
AROUND 20 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 15-25 MPH.
MIXING HEIGHT.......4500-5500 FT AGL UNTIL 2000, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH UNTIL 2100, THEN
SOUTHWEST.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY(30-40%) UNTIL 1500, THEN MOSTLY
CLOUDY(60-65%). SLIGHT CHANCE OF THUNDERSTORMS
AFTER 1200.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....77-87.
24 HR TREND......2-4 DEGREES WARMER.
MIN HUMIDITY........18-24%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 4-9 MPH UNTIL 1200, THEN NORTH.
RIDGES/UPR SLOPES....WEST WINDS 5-12 MPH UNTIL 1200, THEN NORTH
4-12 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900. 9000-10000 FT AGL
AFTER 1100.
TRANSPORT WINDS.....WEST 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1000, THEN GOOD UNTIL 1200, THEN
VERY GOOD UNTIL 1600, THEN GOOD.
TUESDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS.
LOWS IN THE MID 50S. WEST WINDS 4-7 MPH.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 4-8 MPH.
THURSDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS
IN THE MID 50S. HIGHS AROUND 80. WEST WINDS 4-8 MPH.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 50S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 4-8 MPH.
COZ211-172215-
JACKSON COUNTY BELOW 9000 FEET-
INCLUDING GOULD, NORTH PARK, RAND, SPICER, AND WALDEN
312 AM MDT MON AUG 17 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY
CLOUDY(35-45%). PATCHY FOG UNTIL 0800.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....76-80.
24 HR TREND......2-4 DEGREES WARMER.
MIN HUMIDITY........18-22%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......SOUTH WINDS 4-7 MPH UNTIL 1200, THEN WEST 8-14
MPH WITH GUSTS TO AROUND 20 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 15-20 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900, THEN 10500-11500
FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1000, THEN WEST 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1100. VERY GOOD AFTER 1400.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....37-47.
24 HR TREND......2-4 DEGREES WARMER.
MAX HUMIDITY........63-73%.
24 HR TREND......25-35% DRIER.
20-FOOT WINDS.......WEST WINDS 4-8 MPH WITH GUSTS TO AROUND 20 MPH
UNTIL 2400, THEN SOUTH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......11000 FT AGL UNTIL 1900. BELOW 1000 FT AGL
AFTER 2000.
TRANSPORT WINDS.....WEST 10-15 MPH UNTIL 2000, THEN LIGHT UNTIL
0500, THEN SOUTH AROUND 10 MPH.
SMOKE DISPERSAL.....VERY GOOD UNTIL 1900, THEN POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY(30-35%) UNTIL 1200, THEN MOSTLY
CLOUDY(50-60%). SLIGHT CHANCE OF THUNDERSTORMS
AFTER 1200.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....75-79.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........22-26%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 4-9 MPH UNTIL 1200, THEN WEST
12-18 MPH. GUSTS UP TO 30 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800. 10500-11500 FT
AGL AFTER 1100.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 1000. WEST 20-25
MPH AFTER 1200.
SMOKE DISPERSAL.....POOR UNTIL 1000, THEN GOOD UNTIL 1100, THEN
EXCELLENT UNTIL 1700, THEN VERY GOOD.
TUESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 40S. SOUTH WINDS
4-7 MPH.
WEDNESDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. HIGHS IN THE
MID 70S. SOUTHWEST WINDS 5-12 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 4-8 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 80S. SOUTH WINDS 4-8 MPH.
COZ213-172215-
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
312 AM MDT MON AUG 17 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY
CLOUDY(30-40%). PATCHY FOG UNTIL 0800.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....74-82.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........16-24%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......SOUTH WINDS 4-6 MPH UNTIL 1200, THEN WEST 5-12
MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 15-20 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900. 10000-11000 FT
AGL AFTER 1100.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1100, THEN WEST AROUND 10
MPH.
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY(30-35%).
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....41-51.
24 HR TREND......2-4 DEGREES WARMER.
MAX HUMIDITY........58-68%.
24 HR TREND......15-20% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 4-7 MPH UNTIL 2400, THEN SOUTH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......7000-8000 FT AGL UNTIL 2000, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....WEST AROUND 10 MPH UNTIL 2000, THEN LIGHT.
SMOKE DISPERSAL.....GOOD UNTIL 1900, THEN POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 1200, THEN MOSTLY
CLOUDY(50-60%).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....74-82.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........19-27%.
24 HR TREND......2-4% WETTER.
20-FOOT WINDS.......WEST WINDS 6-14 MPH WITH GUSTS TO AROUND 25
MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800. 9500-10500 FT AGL
AFTER 1100.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1000. WEST 15-20 MPH AFTER
1200.
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN VERY GOOD.
TUESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE MID 40S. SOUTH WINDS
4-6 MPH.
WEDNESDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 4-8 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS AROUND 80.
SOUTHWEST WINDS 4-7 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 80S. NORTH WINDS 4-7 MPH.
COZ214-172215-
CENTRAL AND SOUTHEAST PARK COUNTY-
INCLUDING ELEVEN MILE CANYON RESERVOIR, FAIRPLAY, GUFFEY,
HARTSEL, LAKE GEORGE, AND SOUTH PARK
312 AM MDT MON AUG 17 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY
CLOUDY(35-45%). PATCHY FOG UNTIL 0800.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....71-79.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........18-24%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 4-8 MPH.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 4-9 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST AROUND 15 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900. 10000-11000 FT
AGL AFTER 1100.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0800, THEN WEST AROUND 10 MPH
UNTIL 1000, THEN LIGHT UNTIL 1100, THEN WEST
AROUND 10 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY(60-65%) UNTIL 2100, THEN PARTLY
CLOUDY(30-35%).
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....44-52.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........64-74%.
24 HR TREND......25-35% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH WINDS 4-9 MPH WITH GUSTS TO AROUND
20 MPH UNTIL 2400, THEN WEST 4-8 MPH.
RIDGES/UPR SLOPES....SOUTHEAST WINDS 5-12 MPH WITH GUSTS TO
AROUND 20 MPH UNTIL 2400, THEN WEST 4-9
MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 15-20 MPH.
MIXING HEIGHT.......6000-7000 FT AGL UNTIL 2000. BELOW 1000 FT AGL
AFTER 2100.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH UNTIL 0200, THEN WEST.
SMOKE DISPERSAL.....FAIR UNTIL 2000, THEN POOR.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY
CLOUDY(40-50%) UNTIL 1500, THEN MOSTLY
CLOUDY(60-65%).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....74-82.
24 HR TREND......2-4 DEGREES WARMER.
MIN HUMIDITY........18-22%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 5-13 MPH. GUSTS UP TO 20 MPH IN
THE AFTERNOON.
RIDGES/UPR SLOPES....WEST WINDS 5-13 MPH WITH GUSTS TO AROUND
20 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 15-25 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800. 9500-10500 FT AGL
AFTER 1000.
TRANSPORT WINDS.....WEST 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1000, THEN GOOD UNTIL 1200, THEN
VERY GOOD UNTIL 1600, THEN GOOD.
TUESDAY NIGHT
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 40S. NORTH WINDS 4-7 MPH.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. HIGHS IN THE
MID 70S. WEST WINDS 4-8 MPH.
THURSDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN THE
UPPER 40S. HIGHS IN THE UPPER 70S. NORTHWEST WINDS 4-8 MPH.
FRIDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN THE
UPPER 40S. HIGHS IN THE UPPER 70S. WEST WINDS 4-8 MPH.
COZ218-172215-
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
312 AM MDT MON AUG 17 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY
CLOUDY(35-45%).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....64-74.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........19-27%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 5-13 MPH. GUSTS UP TO 20 MPH IN
THE AFTERNOON.
RIDGES/UPR SLOPES....WEST WINDS 5-13 MPH. GUSTS UP TO 20 MPH IN
THE AFTERNOON.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 15-20 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 9500-10500
FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0700, THEN SOUTHWEST AROUND
10 MPH UNTIL 0800, THEN LIGHT UNTIL 0900, THEN
WEST 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1000. VERY GOOD AFTER 1300.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY(30-35%).
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....42-52.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........46-56%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 4-8 MPH.
RIDGES/UPR SLOPES....WEST WINDS 4-9 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......7000-8000 FT AGL UNTIL 2000, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....WEST AROUND 10 MPH UNTIL 2000, THEN LIGHT UNTIL
0100, THEN SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....GOOD UNTIL 1900, THEN POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 1200, THEN MOSTLY
CLOUDY(55-60%). SLIGHT CHANCE OF THUNDERSTORMS
AFTER 1200.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....63-73.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........23-31%.
24 HR TREND......2-4% WETTER.
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
25 MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 9000-10000
FT AGL.
TRANSPORT WINDS.....WEST 10-15 MPH UNTIL 1100, THEN 15-20 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1000, THEN GOOD UNTIL 1100, THEN
EXCELLENT UNTIL 1600, THEN VERY GOOD.
TUESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE MID 40S. SOUTHWEST WINDS
4-8 MPH.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. HIGHS IN THE
UPPER 60S. WEST WINDS 5-12 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS AROUND 70.
WEST WINDS 4-8 MPH.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 40S. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS 4-8 MPH.
COZ212-172215-
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
312 AM MDT MON AUG 17 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY
CLOUDY(35-45%). SLIGHT CHANCE OF THUNDERSTORMS
AFTER 1400 UNTIL 1600.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....63-73.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........20-28%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 4-12 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5-13 MPH. GUSTS UP TO 20 MPH IN
THE AFTERNOON.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 15-20 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 9500-10500
FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0900, THEN WEST AROUND 10
MPH.
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY(50-60%) UNTIL 2100, THEN PARTLY
CLOUDY(30-35%).
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....41-51.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........49-59%.
24 HR TREND......25-35% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 4-9 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5-13 MPH. GUSTS UP TO 20 MPH IN
THE EVENING.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 15-25 MPH.
MIXING HEIGHT.......6500-7500 FT AGL UNTIL 2000, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH UNTIL 2000, THEN LIGHT
UNTIL 2300, THEN SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....FAIR UNTIL 2000, THEN POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY(30-40%) UNTIL 1200, THEN MOSTLY
CLOUDY(50-60%). SLIGHT CHANCE OF THUNDERSTORMS
AFTER 1200.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....64-74.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........20-30%.
24 HR TREND......2-4% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 7-15 MPH WITH GUSTS TO AROUND
25 MPH.
RIDGES/UPR SLOPES....WEST WINDS 8-16 MPH WITH GUSTS TO AROUND
25 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 9000-10000
FT AGL.
TRANSPORT WINDS.....WEST 10-15 MPH UNTIL 1100, THEN 15-20 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1000, THEN VERY GOOD UNTIL 1600,
THEN GOOD.
TUESDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS.
LOWS IN THE MID 40S. WEST WINDS 4-8 MPH.
WEDNESDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. HIGHS IN THE
UPPER 60S. WEST WINDS 5-12 MPH.
THURSDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS
IN THE MID 40S. HIGHS IN THE UPPER 60S. WEST WINDS 4-9 MPH.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 40S. HIGHS IN THE LOWER 70S. WEST WINDS 4-9 MPH.
COZ217-172215-
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
INCLUDING EAST SLOPES PARK AND NORTHERN GORE RANGES, GORE PASS,
AND RABBIT EARS PASS
312 AM MDT MON AUG 17 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY
CLOUDY(35-45%).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....68-78.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........19-25%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 5-13 MPH. GUSTS UP TO 20 MPH IN
THE AFTERNOON.
RIDGES/UPR SLOPES....WEST WINDS 6-14 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 15-20 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 10000-11000
FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0900, THEN WEST 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1000. VERY GOOD AFTER 1200.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....43-53.
24 HR TREND......2-4 DEGREES WARMER.
MAX HUMIDITY........46-56%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 4-9 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....WEST 15-25 MPH.
MIXING HEIGHT.......7500-8500 FT AGL UNTIL 2000, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....WEST 10-15 MPH UNTIL 2000, THEN LIGHT UNTIL
0500, THEN SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....VERY GOOD UNTIL 1900, THEN POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY(30-40%) UNTIL 1200, THEN MOSTLY
CLOUDY(50-60%). SLIGHT CHANCE OF THUNDERSTORMS
AFTER 1200.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....67-77.
24 HR TREND......2-4 DEGREES COOLER.
MIN HUMIDITY........22-30%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 7-15 MPH WITH GUSTS TO AROUND
30 MPH.
RIDGES/UPR SLOPES....WEST WINDS 7-15 MPH WITH GUSTS TO AROUND
30 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 9500-10500
FT AGL.
TRANSPORT WINDS.....WEST 10-15 MPH UNTIL 1100, THEN AROUND 20 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1000, THEN VERY GOOD UNTIL 1200,
THEN EXCELLENT UNTIL 1700, THEN VERY GOOD.
TUESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 40S. SOUTHWEST WINDS
4-8 MPH.
WEDNESDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. HIGHS IN THE
LOWER 70S. WEST WINDS 6-13 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID
70S. WEST WINDS 4-9 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. SOUTH WINDS 4-8 MPH.
OUTLOOK 6 TO 10 DAYS
TEMPERATURES ABOVE NORMAL AND PRECIPITATION ABOVE NORMAL.
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