272
FNUS55 KBOU 222050
FWFBOU
FIRE WEATHER FORECAST FOR NORTHEAST AND NORTH CENTRAL COLORADO
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
250 PM MDT TUE SEP 22 2026
DISCUSSION...TONIGHT AND WEDNESDAY
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS ARE LIKELY FOR THE
MOUNTAINS THROUGH THIS EVENING WITH ONLY ISOLATED COVERAGE IN TEH
PLAINS. WETTING RAINS ARE NOT EXPECTED, BUT CANNOT RULE OUT A FEW
ISOLATED LOCATIONS. WEDNESDAY MOISTURE INCREASES AND SCATTERED
SHOWERS/STORMS WILL DEVELOP IN THE HIGHER TERRAIN BEFORE MAKING IT
INTO THE PLAINS. SCATTERED WETTING RAINS WILL OCCUR WITH MOST
SHOWERS AND STORMS.
LONG TERM DISCUSSION...WEDNESDAY NIGHT THROUGH SUNDAY...
SHOWERS WILL CONTINUE WEDNESDAY NIGHT PEAKING THURSDAY WITH
CHANCES FOR LOCALIZED MODERATE TO HEAVY RAIN. FRIDAY MOISTURE
DECREASES AGAIN, BUT WE SHOULD STILL SEE ISOLATED SHOWERS/STORMS
IN THE HIGHER TERRAIN. SATURDAY AND SUNDAY CONDITIONS WILL BECOME
DRIER, BUT PRECIPATION CHANCES WILL STILL REMAIN NON-ZERO.
OVERALL, LIGHT WINDS AND HIGH HUMIDITY LEVELS WILL KEEP FIRE
CONCERNS LIMITED THROUGH THE PERIOD.
...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...
COZ238-231100-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
INCLUDING FORT COLLINS, HEREFORD, LOVELAND, NUNN,
AND WEST PAWNEE GRASSLANDS
250 PM MDT TUE SEP 22 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 2100, THEN MOSTLY
CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS UNTIL
2100, THEN SLIGHT CHANCE OF RAIN SHOWERS UNTIL
2400.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....52-56.
24 HR TREND......4-7 DEGREES WARMER.
MAX HUMIDITY........81-91%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......SOUTHEAST WINDS 4-12 MPH. GUSTS UP TO 20 MPH IN
THE EVENING.
CWR.................10 PERCENT DECREASING TO 0 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 15-25 MPH.
MIXING HEIGHT.......2500-3500 FT AGL UNTIL 2000, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....SOUTH 10-15 MPH UNTIL 0400, THEN LIGHT UNTIL
0500, THEN NORTHEAST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
AFTER 1300. CHANCE OF RAIN SHOWERS AFTER 1500.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....76-80.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........34-38%.
24 HR TREND......2-4% WETTER.
20-FOOT WINDS.......NORTHEAST WINDS 4-7 MPH UNTIL 1200, THEN
SOUTHEAST 4-12 MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST 15-20 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900, THEN 5000-6000 FT
AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1200, THEN EAST AROUND 10 MPH
UNTIL 1600, THEN NORTH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100. CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....52-56.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........76-86%.
24 HR TREND......10-15% DRIER.
20-FOOT WINDS.......NORTH WINDS 4-9 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......1000-2000 FT AGL UNTIL 2100, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH UNTIL 2200, THEN
NORTHWEST.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS UNTIL
1200, THEN RAIN SHOWERS LIKELY. SLIGHT CHANCE
OF THUNDERSTORMS AFTER 1500.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....67-71.
24 HR TREND......7-10 DEGREES COOLER.
MIN HUMIDITY........55-61%.
24 HR TREND......15-20% WETTER.
20-FOOT WINDS.......NORTHEAST WINDS 6-12 MPH. GUSTS UP TO 20 MPH IN
THE AFTERNOON.
CWR.................30 PERCENT INCREASING TO 40 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....EAST AROUND 15 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 3500-4500 FT
AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH UNTIL 1100, THEN EAST.
SMOKE DISPERSAL.....POOR.
THURSDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS AROUND 50. EAST WINDS 4-7 MPH.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS. HIGHS IN
THE MID 70S. SOUTHWEST WINDS 4-8 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
LOWER 80S. WEST WINDS 5-12 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS 4-8 MPH.
COZ239-231100-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
INCLUDING ARVADA, BOULDER, GOLDEN, LAKEWOOD, AND LONGMONT
250 PM MDT TUE SEP 22 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100, THEN SLIGHT CHANCE OF RAIN SHOWERS
UNTIL 2400.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....53-57.
24 HR TREND......2-4 DEGREES WARMER.
MAX HUMIDITY........69-79%.
24 HR TREND......10-15% DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS 4-12 MPH.
CWR.................10 PERCENT DECREASING TO 0 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 15-20 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 2000, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 0500, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
AFTER 1300 UNTIL 1400, THEN CHANCE OF RAIN
SHOWERS. SLIGHT CHANCE OF THUNDERSTORMS AFTER
1500.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....76-80.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........32-36%.
24 HR TREND......2-4% WETTER.
20-FOOT WINDS.......NORTH WINDS 4-8 MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST 15-20 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900, THEN 5000-6000 FT
AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1400, THEN NORTH AROUND 10
MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....54-58.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........85-95%.
24 HR TREND......20-25% WETTER.
20-FOOT WINDS.......WEST WINDS 4-7 MPH.
CWR.................30 PERCENT.
15K FT MSL WINDS....NORTHEAST AROUND 15 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 2400, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH UNTIL 2100, THEN LIGHT
UNTIL 2300, THEN WEST AROUND 10 MPH UNTIL 0100,
THEN LIGHT.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........CLOUDY. RAIN SHOWERS LIKELY. SLIGHT CHANCE OF
THUNDERSTORMS AFTER 1500.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....67-71.
24 HR TREND......7-10 DEGREES COOLER.
MIN HUMIDITY........53-59%.
24 HR TREND......20-25% WETTER.
20-FOOT WINDS.......NORTHEAST WINDS 4-8 MPH.
CWR.................40 PERCENT DECREASING TO 20 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....NORTHEAST AROUND 15 MPH.
MIXING HEIGHT.......3500-4500 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1100, THEN NORTHEAST AROUND
10 MPH UNTIL 1500, THEN EAST.
SMOKE DISPERSAL.....POOR.
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 50S. VARIABLE
WINDS LESS THAN 8 MPH.
FRIDAY
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. HIGHS IN THE MID 70S. SOUTHWEST WINDS 4-7 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS 4-8 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS 4-7 MPH.
COZ240-231100-
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
250 PM MDT TUE SEP 22 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100, THEN SLIGHT CHANCE OF RAIN SHOWERS
UNTIL 2400.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....55-59.
24 HR TREND......2-4 DEGREES WARMER.
MAX HUMIDITY........70-78%.
24 HR TREND......15-20% DRIER.
20-FOOT WINDS.......SOUTH WINDS 5-13 MPH WITH GUSTS TO AROUND 20
MPH.
CWR.................10 PERCENT DECREASING TO 0 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTH AROUND 15 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 2100, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....SOUTH 10-15 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
AFTER 1300 UNTIL 1400, THEN CHANCE OF RAIN
SHOWERS. SLIGHT CHANCE OF THUNDERSTORMS AFTER
1500.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....77-81.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........30-34%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 4-8 MPH UNTIL 1200, THEN EAST
4-9 MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST 15-20 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900, THEN 5500-6500 FT
AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 0700, THEN LIGHT
UNTIL 1300, THEN EAST AROUND 10 MPH UNTIL 1600,
THEN NORTH UNTIL 1700, THEN SOUTHWEST.
SMOKE DISPERSAL.....POOR.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....56-60.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........81-91%.
24 HR TREND......7-10% WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 4-8 MPH.
CWR.................30 PERCENT.
15K FT MSL WINDS....NORTHEAST AROUND 15 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 0200, THEN BELOW 1000 FT
AGL UNTIL 0300, THEN 1000 FT AGL.
TRANSPORT WINDS.....WEST AROUND 10 MPH UNTIL 0500, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY. SLIGHT
CHANCE OF THUNDERSTORMS AFTER 1500.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....67-71.
24 HR TREND......7-10 DEGREES COOLER.
MIN HUMIDITY........51-59%.
24 HR TREND......20-25% WETTER.
20-FOOT WINDS.......NORTH WINDS 4-12 MPH. GUSTS UP TO 20 MPH IN THE
AFTERNOON.
CWR.................40 PERCENT DECREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....NORTHWEST AROUND 15 MPH.
MIXING HEIGHT.......3000-4000 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0900, THEN NORTHWEST AROUND
10 MPH UNTIL 1200, THEN NORTHEAST UNTIL 1600,
THEN EAST.
SMOKE DISPERSAL.....POOR.
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 50S. SOUTHEAST
WINDS 4-6 MPH.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN
THE UPPER 70S. SOUTH WINDS 4-7 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE
LOWER 80S. SOUTH WINDS 4-9 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE LOWER
80S. SOUTH WINDS 4-9 MPH.
COZ241-231100-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING CASTLE ROCK, ELBERT, FONDIS, KIOWA, AND LARKSPUR
250 PM MDT TUE SEP 22 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100, THEN SLIGHT CHANCE OF RAIN SHOWERS
UNTIL 2400.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....52-56.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........81-91%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......SOUTH WINDS 7-14 MPH WITH GUSTS TO AROUND 20
MPH.
CWR.................10 PERCENT DECREASING TO 0 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTH 15-20 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 2300, THEN BELOW 1000 FT
AGL UNTIL 2400, THEN 1000 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
AFTER 1300 UNTIL 1400, THEN CHANCE OF RAIN
SHOWERS. SLIGHT CHANCE OF THUNDERSTORMS AFTER
1500.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....71-77.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........39-47%.
24 HR TREND......2-4% WETTER.
20-FOOT WINDS.......SOUTH WINDS 6-13 MPH WITH GUSTS TO AROUND 20
MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST 15-25 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900, THEN 4500-5500 FT
AGL.
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN FAIR.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100. RAIN SHOWERS LIKELY.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....51-55.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........96-99%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 4-9 MPH. GUSTS UP TO 20 MPH IN
THE EVENING.
CWR.................20 PERCENT INCREASING TO 40 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTH 15-25 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 10-15 MPH UNTIL 0300, THEN LIGHT
UNTIL 0400, THEN SOUTHWEST AROUND 10 MPH UNTIL
0500, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS. SLIGHT CHANCE OF
THUNDERSTORMS AFTER 1500.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....61-67.
24 HR TREND......7-10 DEGREES COOLER.
MIN HUMIDITY........65-75%.
24 HR TREND......25-35% WETTER.
20-FOOT WINDS.......NORTHWEST WINDS 4-9 MPH UNTIL 1200, THEN NORTH
5-12 MPH. GUSTS UP TO 20 MPH.
CWR.................40 PERCENT DECREASING TO 20 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST 15-20 MPH.
MIXING HEIGHT.......2500-3500 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0800, THEN NORTHWEST AROUND
10 MPH UNTIL 1300, THEN NORTH UNTIL 1700, THEN
EAST.
SMOKE DISPERSAL.....POOR.
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 40S. SOUTH
WINDS 4-6 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
4-8 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 4-9 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
UPPER 70S. SOUTH WINDS 5-12 MPH.
COZ242-231100-
NORTHEAST WELD COUNTY-
INCLUDING BRIGGSDALE, EAST PAWNEE GRASSLANDS, GROVER,
PAWNEE BUTTES, RAYMER, AND STONEHAM
250 PM MDT TUE SEP 22 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 2100, THEN MOSTLY
CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS UNTIL
2100. SLIGHT CHANCE OF RAIN SHOWERS AFTER 2100
UNTIL 2400.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....53-57.
24 HR TREND......2-4 DEGREES WARMER.
MAX HUMIDITY........92-98%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......SOUTHEAST WINDS 8-16 MPH WITH GUSTS TO AROUND
25 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....SOUTHWEST 15-20 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 2100, THEN BELOW 1000 FT
AGL UNTIL 0300, THEN 1000 FT AGL UNTIL 0400,
THEN BELOW 1000 FT AGL UNTIL 0500, THEN 1000 FT
AGL.
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
AFTER 1300 UNTIL 1500, THEN CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....77-81.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........34-42%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......SOUTHEAST WINDS 5-13 MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST 15-20 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 4000-5000 FT
AGL.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH UNTIL 1100, THEN LIGHT
UNTIL 1200, THEN EAST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100. CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....53-57.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........85-95%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......EAST WINDS 4-9 MPH WITH GUSTS TO AROUND 20 MPH
UNTIL 2400, THEN SOUTH 4-8 MPH.
CWR.................10 PERCENT INCREASING TO 20 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....NORTHWEST AROUND 15 MPH.
MIXING HEIGHT.......1000-2000 FT AGL UNTIL 2100, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....EAST AROUND 10 MPH UNTIL 2000, THEN SOUTHEAST
UNTIL 0100, THEN WEST UNTIL 0400, THEN
NORTHWEST.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY. SLIGHT
CHANCE OF THUNDERSTORMS AFTER 1200.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....68-72.
24 HR TREND......7-10 DEGREES COOLER.
MIN HUMIDITY........58-68%.
24 HR TREND......25-35% WETTER.
20-FOOT WINDS.......EAST WINDS 5-13 MPH. GUSTS UP TO 20 MPH IN THE
AFTERNOON.
CWR.................30 PERCENT INCREASING TO 40 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....NORTHEAST AROUND 15 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 3000-4000 FT
AGL.
TRANSPORT WINDS.....NORTH AROUND 10 MPH UNTIL 0700, THEN SOUTHEAST
UNTIL 0900, THEN EAST.
SMOKE DISPERSAL.....POOR.
THURSDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 50S. EAST WINDS
4-9 MPH.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN
THE UPPER 70S. SOUTHWEST WINDS 4-9 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE
LOWER 80S. WEST WINDS 5-12 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
LOWER 80S. SOUTH WINDS 4-9 MPH.
COZ243-231100-
CENTRAL AND SOUTH WELD COUNTY-
INCLUDING EATON, FORT LUPTON, GREELEY, AND ROGGEN
250 PM MDT TUE SEP 22 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY(50-60%). SLIGHT CHANCE OF
THUNDERSTORMS UNTIL 2100, THEN SLIGHT CHANCE OF
RAIN SHOWERS UNTIL 2400.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....53-57.
24 HR TREND......2-4 DEGREES WARMER.
MAX HUMIDITY........85-95%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......SOUTHEAST WINDS 5-13 MPH. GUSTS UP TO 25 MPH IN
THE EVENING.
CWR.................10 PERCENT DECREASING TO 0 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 15-20 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 2000, THEN BELOW 1000 FT
AGL UNTIL 2100, THEN 1000 FT AGL UNTIL 2200,
THEN BELOW 1000 FT AGL.
TRANSPORT WINDS.....SOUTH 10-15 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
AFTER 1300 UNTIL 1500, THEN CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....78-82.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........32-36%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......NORTH WINDS 4-7 MPH UNTIL 1200, THEN EAST 4-13
MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST 15-20 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900, THEN 5500-6500 FT
AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1200, THEN EAST AROUND 10
MPH.
SMOKE DISPERSAL.....POOR UNTIL 1500, THEN FAIR.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....54-58.
24 HR TREND......2-4 DEGREES WARMER.
MAX HUMIDITY........85-95%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......SOUTH WINDS 4-9 MPH. GUSTS UP TO 20 MPH IN THE
EVENING.
CWR.................20 PERCENT INCREASING TO 30 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....NORTH AROUND 15 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 2000, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH UNTIL 2100, THEN
SOUTHEAST UNTIL 2200, THEN WEST UNTIL 0400,
THEN NORTH UNTIL 0500, THEN EAST.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY. SLIGHT
CHANCE OF THUNDERSTORMS AFTER 1500.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....69-73.
24 HR TREND......7-10 DEGREES COOLER.
MIN HUMIDITY........54-60%.
24 HR TREND......20-25% WETTER.
20-FOOT WINDS.......NORTHEAST WINDS 4-12 MPH. GUSTS UP TO 20 MPH IN
THE AFTERNOON.
CWR.................30 PERCENT DECREASING TO 20 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....NORTHEAST AROUND 15 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700, THEN 3500-4500 FT
AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0800, THEN SOUTHEAST AROUND
10 MPH UNTIL 0900, THEN NORTHEAST.
SMOKE DISPERSAL.....POOR.
THURSDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 50S. EAST WINDS
4-6 MPH.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN
THE UPPER 70S. SOUTH WINDS 4-7 MPH.
SATURDAY
MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE MID 80S.
SOUTHWEST WINDS 4-9 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE MID
80S. SOUTH WINDS 4-8 MPH.
COZ244-231100-
MORGAN COUNTY-
INCLUDING BRUSH, FORT MORGAN, GOODRICH, AND WIGGINS
250 PM MDT TUE SEP 22 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 2100, THEN MOSTLY
CLOUDY(60-65%). SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100. SLIGHT CHANCE OF RAIN SHOWERS AFTER
2100 UNTIL 2400.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....55-59.
24 HR TREND......2-4 DEGREES WARMER.
MAX HUMIDITY........87-95%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......SOUTHEAST WINDS 9-17 MPH WITH GUSTS TO AROUND
25 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....SOUTH 15-20 MPH.
MIXING HEIGHT.......2000-3000 FT AGL UNTIL 2000, THEN BELOW 1000 FT
AGL UNTIL 2200, THEN 1000 FT AGL UNTIL 2300,
THEN BELOW 1000 FT AGL UNTIL 0400, THEN 1000 FT
AGL.
TRANSPORT WINDS.....SOUTH 15-20 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
AFTER 1300 UNTIL 1500, THEN CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....79-83.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........36-40%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......SOUTH WINDS 6-14 MPH WITH GUSTS TO AROUND 20
MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST 15-25 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 4000-5000 FT
AGL.
TRANSPORT WINDS.....SOUTH 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1400, THEN FAIR.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100. RAIN SHOWERS LIKELY.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....54-58.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........97-99%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......SOUTH WINDS 5-13 MPH WITH GUSTS TO AROUND 20
MPH.
CWR.................20 PERCENT INCREASING TO 40 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....NORTH AROUND 15 MPH.
MIXING HEIGHT.......1000-2000 FT AGL UNTIL 2200, THEN BELOW 1000 FT
AGL UNTIL 0100, THEN 1500 FT AGL UNTIL 0300,
THEN BELOW 1000 FT AGL UNTIL 0500, THEN 1000 FT
AGL.
TRANSPORT WINDS.....SOUTHEAST 10-15 MPH UNTIL 2400, THEN SOUTH.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY UNTIL 1200,
THEN RAIN SHOWERS. SLIGHT CHANCE OF
THUNDERSTORMS AFTER 1500.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....70-74.
24 HR TREND......7-10 DEGREES COOLER.
MIN HUMIDITY........61-67%.
24 HR TREND......25-35% WETTER.
20-FOOT WINDS.......EAST WINDS 4-12 MPH. GUSTS UP TO 20 MPH IN THE
AFTERNOON.
CWR.................40 PERCENT DECREASING TO 20 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTH 15-20 MPH.
MIXING HEIGHT.......3000-4000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH UNTIL 1300, THEN EAST.
SMOKE DISPERSAL.....POOR.
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 50S. SOUTHEAST
WINDS 4-8 MPH.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN
THE UPPER 70S. SOUTH WINDS 4-8 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE MID
80S. SOUTHWEST WINDS 5-12 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE MID
80S. SOUTH WINDS 5-12 MPH.
COZ245-231100-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
INCLUDING BENNETT, BYERS, DEER TRAIL, AND LEADER
250 PM MDT TUE SEP 22 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY(50-60%). SLIGHT CHANCE OF
THUNDERSTORMS UNTIL 2100, THEN SLIGHT CHANCE OF
RAIN SHOWERS UNTIL 2400.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....55-59.
24 HR TREND......2-4 DEGREES WARMER.
MAX HUMIDITY........79-89%.
24 HR TREND......15-20% DRIER.
20-FOOT WINDS.......SOUTH WINDS 10-18 MPH WITH GUSTS TO AROUND 30
MPH.
CWR.................10 PERCENT DECREASING TO 0 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTH 15-20 MPH.
MIXING HEIGHT.......2000-3000 FT AGL UNTIL 2000, THEN BELOW 1000 FT
AGL UNTIL 2300, THEN 1000 FT AGL UNTIL 2400,
THEN BELOW 1000 FT AGL UNTIL 0100, THEN 1000 FT
AGL UNTIL 0200, THEN BELOW 1000 FT AGL UNTIL
0300, THEN 1000 FT AGL.
TRANSPORT WINDS.....SOUTH 15-20 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
AFTER 1300 UNTIL 1400, THEN CHANCE OF RAIN
SHOWERS. SLIGHT CHANCE OF THUNDERSTORMS AFTER
1500.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....76-80.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........36-40%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......SOUTH WINDS 7-15 MPH WITH GUSTS TO AROUND 25
MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST 15-20 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 4000-5000 FT
AGL.
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1300, THEN FAIR.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100. RAIN SHOWERS LIKELY.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....54-58.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........95-99%.
24 HR TREND......15-20% WETTER.
20-FOOT WINDS.......SOUTH WINDS 5-13 MPH. GUSTS UP TO 25 MPH IN THE
EVENING.
CWR.................30 PERCENT.
15K FT MSL WINDS....NORTHEAST 15-20 MPH.
MIXING HEIGHT.......1000-2000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 10-15 MPH.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........CLOUDY. RAIN SHOWERS. SLIGHT CHANCE OF
THUNDERSTORMS AFTER 1500.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....67-71.
24 HR TREND......7-10 DEGREES COOLER.
MIN HUMIDITY........59-65%.
24 HR TREND......20-25% WETTER.
20-FOOT WINDS.......SOUTHEAST WINDS 4-13 MPH UNTIL 1200, THEN
NORTHEAST 6-10 MPH WITH GUSTS TO AROUND 20 MPH.
CWR.................40 PERCENT DECREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST 15-20 MPH.
MIXING HEIGHT.......3000-4000 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH UNTIL 0700, THEN EAST UNTIL
0800, THEN SOUTH UNTIL 1100, THEN NORTHEAST.
SMOKE DISPERSAL.....POOR.
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 50S. SOUTHEAST
WINDS 4-8 MPH.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN
THE UPPER 70S. SOUTH WINDS 4-9 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS 5-12 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE LOWER
80S. SOUTH WINDS 7-14 MPH.
COZ248-231100-
LOGAN COUNTY-
INCLUDING CROOK, MERINO, STERLING, AND PEETZ
250 PM MDT TUE SEP 22 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 2100, THEN MOSTLY
CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....55-59.
24 HR TREND......4-7 DEGREES WARMER.
MAX HUMIDITY........94-98%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......SOUTHEAST WINDS 12-22 MPH WITH GUSTS TO AROUND
35 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....SOUTHWEST 15-20 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 15-20 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
AFTER 1300 UNTIL 1500. CHANCE OF RAIN SHOWERS
AFTER 1400 UNTIL 1500, THEN CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....78-82.
24 HR TREND......2-4 DEGREES WARMER.
MIN HUMIDITY........40-48%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......SOUTH WINDS 7-14 MPH WITH GUSTS TO AROUND 25
MPH.
CWR.................0 PERCENT INCREASING TO 20 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST 20-30 MPH.
MIXING HEIGHT.......3000-4000 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2400. RAIN SHOWERS LIKELY.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....55-59.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........100%.
24 HR TREND......2-4% WETTER.
20-FOOT WINDS.......SOUTH WINDS 4-9 MPH WITH GUSTS TO AROUND 25
MPH.
CWR.................20 PERCENT INCREASING TO 30 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....NORTHWEST AROUND 15 MPH.
MIXING HEIGHT.......1000 FT AGL UNTIL 2100, THEN BELOW 1000 FT AGL
UNTIL 2400, THEN 1000 FT AGL UNTIL 0100, THEN
BELOW 1000 FT AGL UNTIL 0300, THEN 1000 FT AGL
UNTIL 0400, THEN BELOW 1000 FT AGL.
TRANSPORT WINDS.....SOUTH 10-15 MPH.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY UNTIL 1200,
THEN RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....69-73.
24 HR TREND......4-7 DEGREES COOLER.
MIN HUMIDITY........69-77%.
24 HR TREND......25-35% WETTER.
20-FOOT WINDS.......SOUTHEAST WINDS 4-12 MPH. GUSTS UP TO 20 MPH IN
THE AFTERNOON.
CWR.................50 PERCENT INCREASING TO 70 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTH 15-20 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 2500-3500 FT
AGL.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH UNTIL 1000. EAST AFTER
1400.
SMOKE DISPERSAL.....POOR.
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 50S. SOUTHEAST
WINDS 4-9 MPH.
FRIDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN
THE UPPER 70S. SOUTH WINDS 4-8 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE MID
80S. WEST WINDS 4-9 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID
80S. SOUTH WINDS 5-12 MPH.
COZ249-231100-
WASHINGTON COUNTY-
INCLUDING AKRON, COPE, LAST CHANCE, AND OTIS
250 PM MDT TUE SEP 22 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 2100, THEN MOSTLY
CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....55-59.
24 HR TREND......2-4 DEGREES WARMER.
MAX HUMIDITY........88-96%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......SOUTHEAST WINDS 13-23 MPH WITH GUSTS TO AROUND
35 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....SOUTH 20-25 MPH.
SMOKE DISPERSAL.....FAIR UNTIL 2400, THEN POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
AFTER 1300 UNTIL 1500. CHANCE OF RAIN SHOWERS
AFTER 1400 UNTIL 1500, THEN CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....78-82.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........39-43%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......SOUTH WINDS 14-24 MPH WITH GUSTS TO AROUND 35
MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST 30-40 MPH.
MIXING HEIGHT.......4000-5000 FT AGL.
TRANSPORT WINDS.....SOUTH 20-25 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1300, THEN GOOD.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2400. RAIN SHOWERS LIKELY.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....55-59.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........98-100%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......SOUTH WINDS 9-17 MPH. GUSTS UP TO 35 MPH
DECREASING TO 25 MPH AFTER MIDNIGHT.
CWR.................40 PERCENT.
15K FT MSL WINDS....SOUTHWEST 15-25 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 0300, THEN BELOW 1000 FT
AGL UNTIL 0400, THEN 1500 FT AGL.
TRANSPORT WINDS.....SOUTH 15-20 MPH UNTIL 0400, THEN SOUTHWEST
AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........CLOUDY. RAIN SHOWERS. SLIGHT CHANCE OF
THUNDERSTORMS AFTER 1200.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....69-73.
24 HR TREND......7-10 DEGREES COOLER.
MIN HUMIDITY........61-71%.
24 HR TREND......20-25% WETTER.
20-FOOT WINDS.......SOUTHEAST WINDS 7-15 MPH WITH GUSTS TO AROUND
25 MPH.
CWR.................60 PERCENT.
15K FT MSL WINDS....SOUTHWEST 15-25 MPH.
MIXING HEIGHT.......2000-3000 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH UNTIL 1400, THEN SOUTHEAST.
SMOKE DISPERSAL.....POOR.
THURSDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE MID 50S. SOUTHEAST WINDS
4-9 MPH.
FRIDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN
THE UPPER 70S. SOUTH WINDS 6-13 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE MID
80S. WEST WINDS 6-13 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID
80S. SOUTH WINDS 8-15 MPH.
COZ250-231100-
SEDGWICK COUNTY-
INCLUDING JULESBURG, OVID, AND SEDGWICK
250 PM MDT TUE SEP 22 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY(50-60%).
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....AROUND 57.
24 HR TREND......4-7 DEGREES WARMER.
MAX HUMIDITY........93-97%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......SOUTHEAST WINDS 13-23 MPH WITH GUSTS TO AROUND
35 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....SOUTHWEST 15-20 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 20-25 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
AFTER 1300 UNTIL 1500. CHANCE OF RAIN SHOWERS
AFTER 1400 UNTIL 1500, THEN CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....77-81.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........50-54%.
24 HR TREND......10-15% DRIER.
20-FOOT WINDS.......SOUTH WINDS 12-20 MPH WITH GUSTS TO AROUND 30
MPH.
CWR.................0 PERCENT INCREASING TO 20 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST 20-30 MPH.
MIXING HEIGHT.......3000-4000 FT AGL.
TRANSPORT WINDS.....SOUTH 15-20 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1300, THEN FAIR UNTIL 1700, THEN
POOR.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS UNTIL
2100. RAIN SHOWERS LIKELY. SLIGHT CHANCE OF
THUNDERSTORMS AFTER 2100 UNTIL 2400.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....AROUND 58.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........100%.
24 HR TREND......2-4% WETTER.
20-FOOT WINDS.......SOUTH WINDS 7-15 MPH WITH GUSTS TO AROUND 25
MPH.
CWR.................50 PERCENT DECREASING TO 30 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 15-20 MPH.
MIXING HEIGHT.......1000 FT AGL UNTIL 1900, THEN BELOW 1000 FT AGL
UNTIL 2000, THEN 1000 FT AGL UNTIL 0100, THEN
BELOW 1000 FT AGL UNTIL 0300, THEN 1000 FT AGL
UNTIL 0400, THEN BELOW 1000 FT AGL.
TRANSPORT WINDS.....SOUTH 10-15 MPH.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY UNTIL 1200,
THEN RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....68-72.
24 HR TREND......7-10 DEGREES COOLER.
MIN HUMIDITY........79-83%.
24 HR TREND......25-35% WETTER.
20-FOOT WINDS.......SOUTHEAST WINDS 4-12 MPH. GUSTS UP TO 20 MPH IN
THE AFTERNOON.
CWR.................50 PERCENT INCREASING TO 80 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTH 15-20 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 2000-3000 FT
AGL.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH UNTIL 1400, THEN SOUTHEAST.
SMOKE DISPERSAL.....POOR.
THURSDAY NIGHT
CLOUDY. RAIN SHOWERS AND CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 50S. SOUTHEAST WINDS 6-12 MPH.
FRIDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN
THE MID 70S. SOUTH WINDS 5-12 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS 5-12 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE LOWER
80S. SOUTH WINDS 5-12 MPH.
COZ251-231100-
PHILLIPS COUNTY-
INCLUDING AMHERST, HAXTUN, AND HOLYOKE
250 PM MDT TUE SEP 22 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY(50-60%).
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....AROUND 57.
24 HR TREND......4-7 DEGREES WARMER.
MAX HUMIDITY........94%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......SOUTHEAST WINDS 15-21 MPH WITH GUSTS TO AROUND
30 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....SOUTHWEST 15-20 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 20-25 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
AFTER 1300 UNTIL 1500. CHANCE OF RAIN SHOWERS
AFTER 1400 UNTIL 1500, THEN CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....78-82.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........47-53%.
24 HR TREND......7-10% DRIER.
20-FOOT WINDS.......SOUTH WINDS 14-21 MPH WITH GUSTS TO AROUND 30
MPH.
CWR.................0 PERCENT INCREASING TO 20 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST 25-35 MPH.
MIXING HEIGHT.......3500-4500 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 20 MPH.
SMOKE DISPERSAL.....FAIR.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS UNTIL
2100. RAIN SHOWERS LIKELY. SLIGHT CHANCE OF
THUNDERSTORMS AFTER 2100 UNTIL 2400.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....AROUND 58.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........100%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......SOUTH WINDS 8-16 MPH WITH GUSTS TO AROUND 25
MPH.
CWR.................40 PERCENT DECREASING TO 30 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 15-25 MPH.
MIXING HEIGHT.......1000-1500 FT AGL UNTIL 0100, THEN BELOW 1000 FT
AGL UNTIL 0300, THEN 1000 FT AGL UNTIL 0400,
THEN BELOW 1000 FT AGL.
TRANSPORT WINDS.....SOUTH 10-15 MPH.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY UNTIL 1200,
THEN RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....68-72.
24 HR TREND......7-10 DEGREES COOLER.
MIN HUMIDITY........75-83%.
24 HR TREND......25-35% WETTER.
20-FOOT WINDS.......SOUTHEAST WINDS 5-13 MPH. GUSTS UP TO 20 MPH IN
THE AFTERNOON.
CWR.................60 PERCENT INCREASING TO 90 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST 15-25 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700, THEN 2000-3000 FT
AGL.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH UNTIL 1400, THEN SOUTHEAST.
SMOKE DISPERSAL.....POOR.
THURSDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS IN THE MID 50S. SOUTHEAST WINDS 6-12 MPH.
FRIDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN
THE UPPER 70S. SOUTH WINDS 5-12 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE
LOWER 80S. WEST WINDS 4-9 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE LOWER
80S. SOUTH WINDS 5-12 MPH.
COZ246-231100-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
INCLUDING AGATE, HUGO, LIMON, AND MATHESON
250 PM MDT TUE SEP 22 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY(60-65%). SLIGHT CHANCE OF
THUNDERSTORMS UNTIL 2100, THEN SLIGHT CHANCE OF
RAIN SHOWERS UNTIL 2400.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....53-57.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........88-98%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......SOUTH WINDS 13-23 MPH WITH GUSTS TO AROUND 35
MPH.
CWR.................10 PERCENT DECREASING TO 0 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTH 15-20 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....SOUTH 20-25 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
AFTER 1300 UNTIL 1400, THEN CHANCE OF RAIN
SHOWERS. SLIGHT CHANCE OF THUNDERSTORMS AFTER
1500.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....74-78.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........41-47%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......SOUTH WINDS 13-23 MPH WITH GUSTS TO AROUND 35
MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST 25-35 MPH.
MIXING HEIGHT.......4000-5000 FT AGL.
TRANSPORT WINDS.....SOUTH 20-25 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100. RAIN SHOWERS LIKELY.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....52-56.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........100%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......SOUTH WINDS 8-16 MPH. GUSTS UP TO 30 MPH
DECREASING TO 20 MPH AFTER MIDNIGHT.
CWR.................10 PERCENT INCREASING TO 40 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 15-25 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....SOUTH 15-20 MPH UNTIL 0200, THEN AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS. SLIGHT CHANCE OF
THUNDERSTORMS AFTER 1200.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....66-70.
24 HR TREND......4-7 DEGREES COOLER.
MIN HUMIDITY........63-69%.
24 HR TREND......15-20% WETTER.
20-FOOT WINDS.......SOUTH WINDS 5-12 MPH UNTIL 1200, THEN NORTHEAST
7-14 MPH. GUSTS UP TO 20 MPH.
CWR.................50 PERCENT DECREASING TO 20 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST 15-25 MPH.
MIXING HEIGHT.......2500-3500 FT AGL.
TRANSPORT WINDS.....SOUTH 10-15 MPH UNTIL 1700, THEN SOUTHEAST.
SMOKE DISPERSAL.....POOR.
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 50S. SOUTH
WINDS 4-8 MPH.
FRIDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN
THE MID 70S. SOUTH WINDS 5-12 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS AROUND 80.
WEST WINDS 4-9 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
LOWER 80S. SOUTH WINDS 7-14 MPH.
COZ247-231100-
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
INCLUDING FORDER, KARVAL, KUTCH, AND PUNKIN CENTER
250 PM MDT TUE SEP 22 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....53-57.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........89-99%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......SOUTHEAST WINDS 12-18 MPH WITH GUSTS TO AROUND
30 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....SOUTH 15-20 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....SOUTH 15-20 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
AFTER 1300 UNTIL 1400, THEN CHANCE OF RAIN
SHOWERS. SLIGHT CHANCE OF THUNDERSTORMS AFTER
1500.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....73-77.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........43-49%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......SOUTH WINDS 13-23 MPH WITH GUSTS TO AROUND 35
MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST 30-40 MPH.
MIXING HEIGHT.......4000-5000 FT AGL.
TRANSPORT WINDS.....SOUTH 15-20 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN GOOD.
WEDNESDAY NIGHT
SKY/WEATHER.........CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS UNTIL
2100. RAIN SHOWERS LIKELY UNTIL 2400, THEN RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....52-56.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........100%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......SOUTH WINDS 7-15 MPH. GUSTS UP TO 30 MPH
DECREASING TO 20 MPH AFTER MIDNIGHT.
CWR.................10 PERCENT INCREASING TO 50 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 25-35 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....SOUTH 15-20 MPH UNTIL 2400, THEN AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS UNTIL 1200, THEN
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....68-72.
24 HR TREND......4-7 DEGREES COOLER.
MIN HUMIDITY........57-63%.
24 HR TREND......15-20% WETTER.
20-FOOT WINDS.......SOUTHEAST WINDS 7-15 MPH WITH GUSTS TO AROUND
25 MPH.
CWR.................50 PERCENT DECREASING TO 20 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST 25-35 MPH.
MIXING HEIGHT.......3000-4000 FT AGL.
TRANSPORT WINDS.....SOUTH 10-15 MPH.
SMOKE DISPERSAL.....POOR.
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 50S. EAST WINDS
4-9 MPH.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN
THE MID 70S. SOUTH WINDS 4-9 MPH.
SATURDAY
MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE LOWER 80S.
NORTHWEST WINDS 4-8 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
LOWER 80S. SOUTHEAST WINDS 5-12 MPH.
COZ215-231100-
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
INCLUDING ESTES PARK, GLENDEVEY, LARAMIE RIVER VALLEY, NEDERLAND,
AND RED FEATHER LAKES
250 PM MDT TUE SEP 22 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....44-54.
24 HR TREND......7-10 DEGREES WARMER.
MAX HUMIDITY........66-76%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 4-9 MPH.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 4-9 MPH.
CWR.................10 PERCENT DECREASING TO 0 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 15-25 MPH.
MIXING HEIGHT.......2000-3000 FT AGL UNTIL 2000, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 0200, THEN WEST.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
AFTER 1200. CHANCE OF RAIN SHOWERS AFTER 1400.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....64-74.
24 HR TREND......4-7 DEGREES COOLER.
MIN HUMIDITY........37-45%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 4-8 MPH UNTIL 1200, THEN SOUTH.
RIDGES/UPR SLOPES....WEST WINDS 4-8 MPH UNTIL 1200, THEN
SOUTHEAST 4-9 MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST 15-20 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 5000-6000 FT
AGL.
TRANSPORT WINDS.....WEST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....44-54.
24 HR TREND......2-4 DEGREES COOLER.
MAX HUMIDITY........78-88%.
24 HR TREND......10-15% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 4-6 MPH.
RIDGES/UPR SLOPES....WEST WINDS 4-6 MPH.
CWR.................10 PERCENT INCREASING TO 20 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......2000-3000 FT AGL UNTIL 2000, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0100, THEN NORTHWEST AROUND
10 MPH UNTIL 0500, THEN NORTH.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS UNTIL
1200, THEN RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....55-65.
24 HR TREND......4-7 DEGREES COOLER.
MIN HUMIDITY........60-70%.
24 HR TREND......25-35% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...EAST WINDS 4-9 MPH.
RIDGES/UPR SLOPES....EAST WINDS 4-9 MPH.
CWR.................40 PERCENT INCREASING TO 60 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....EAST AROUND 15 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 3000-4000 FT
AGL.
TRANSPORT WINDS.....NORTH AROUND 10 MPH UNTIL 0900, THEN EAST.
SMOKE DISPERSAL.....POOR.
THURSDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 40S. SOUTH WINDS
4-6 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
4-9 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. WEST WINDS 6-13 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. SOUTHWEST WINDS 4-8 MPH.
COZ216-231100-
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
250 PM MDT TUE SEP 22 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100. CHANCE OF RAIN SHOWERS UNTIL 2400,
THEN SLIGHT CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....45-55.
24 HR TREND......4-7 DEGREES WARMER.
MAX HUMIDITY........69-79%.
24 HR TREND......10-15% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 4-9 MPH.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 4-12 MPH.
CWR.................20 PERCENT DECREASING TO 0 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTH 15-20 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 2000, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....SOUTHWEST 10-15 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
AFTER 1200. CHANCE OF RAIN SHOWERS AFTER 1300.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....64-74.
24 HR TREND......2-4 DEGREES COOLER.
MIN HUMIDITY........35-45%.
24 HR TREND......15-20% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 4-8 MPH UNTIL 1200, THEN
NORTHEAST.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 4-9 MPH UNTIL 1200, THEN
EAST 4-8 MPH.
CWR.................0 PERCENT INCREASING TO 20 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 4000-5000 FT
AGL.
TRANSPORT WINDS.....WEST 10-15 MPH UNTIL 1300, THEN SOUTH UNTIL
1400, THEN NORTHEAST UNTIL 1600, THEN NORTH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100. RAIN SHOWERS LIKELY.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....45-55.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........89-99%.
24 HR TREND......25-35% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 4-6 MPH UNTIL 2400, THEN
DOWNSLOPE/DOWNVALLEY 2-8 MPH.
RIDGES/UPR SLOPES....WEST WINDS 4-6 MPH.
CWR.................40 PERCENT INCREASING TO 50 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....EAST AROUND 15 MPH.
MIXING HEIGHT.......1000-2000 FT AGL UNTIL 2200, THEN BELOW 1000 FT
AGL UNTIL 2400, THEN 1000 FT AGL UNTIL 0100,
THEN BELOW 1000 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0200, THEN WEST AROUND 10 MPH
UNTIL 0500, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........CLOUDY. RAIN SHOWERS. SLIGHT CHANCE OF
THUNDERSTORMS AFTER 1200 UNTIL 1500, THEN
CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...50 PERCENT.
MAX TEMPERATURE.....55-65.
24 HR TREND......7-10 DEGREES COOLER.
MIN HUMIDITY........62-72%.
24 HR TREND......25-35% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHEAST WINDS 4-8 MPH. GUSTS UP TO 20
MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....NORTHEAST WINDS 4-9 MPH. GUSTS UP TO 20
MPH IN THE AFTERNOON.
CWR.................40 PERCENT.
15K FT MSL WINDS....SOUTH AROUND 15 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700, THEN 2500-3500 FT
AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0700, THEN NORTH AROUND 10
MPH UNTIL 0900, THEN NORTHEAST UNTIL 1700, THEN
SOUTHEAST.
SMOKE DISPERSAL.....POOR.
THURSDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 40S. SOUTH WINDS
4-8 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. HIGHS AROUND
70. SOUTHWEST WINDS 4-8 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE
LOWER 70S. WEST WINDS 4-9 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. SOUTHWEST WINDS 4-8 MPH.
COZ211-231100-
JACKSON COUNTY BELOW 9000 FEET-
INCLUDING GOULD, NORTH PARK, RAND, SPICER, AND WALDEN
250 PM MDT TUE SEP 22 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100. CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....35-43.
24 HR TREND......4-7 DEGREES WARMER.
MAX HUMIDITY........89-99%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......SOUTH WINDS 5-13 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTHWEST 15-25 MPH.
MIXING HEIGHT.......2500-3500 FT AGL UNTIL 2000, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
UNTIL 1200, THEN SLIGHT CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....61-67.
24 HR TREND......4-7 DEGREES COOLER.
MIN HUMIDITY........37-47%.
24 HR TREND......10-15% WETTER.
20-FOOT WINDS.......SOUTH WINDS 4-9 MPH UNTIL 1200, THEN WEST 7-13
MPH WITH GUSTS TO AROUND 20 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTHWEST 15-20 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900, THEN 5500-6500 FT
AGL.
TRANSPORT WINDS.....SOUTHWEST 10-15 MPH UNTIL 1200, THEN WEST.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN FAIR.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....34-42.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........89-99%.
24 HR TREND......2-4% WETTER.
20-FOOT WINDS.......NORTHWEST WINDS 4-6 MPH UNTIL 2400, THEN NORTH.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......2000-3000 FT AGL UNTIL 2000, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....WEST AROUND 10 MPH UNTIL 1900, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS UNTIL
1200, THEN RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....58-62.
24 HR TREND......2-4 DEGREES COOLER.
MIN HUMIDITY........54-64%.
24 HR TREND......15-20% WETTER.
20-FOOT WINDS.......NORTHEAST WINDS 4-8 MPH.
CWR.................30 PERCENT INCREASING TO 40 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....LIGHT AND VARIABLE.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 3500-4500 FT
AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1100, THEN EAST AROUND 10
MPH.
SMOKE DISPERSAL.....POOR.
THURSDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 30S. SOUTH WINDS
4-7 MPH.
FRIDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN
THE LOWER 60S. SOUTHWEST WINDS 7-14 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID
60S. SOUTHWEST WINDS 6-13 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID
60S. SOUTH WINDS 4-9 MPH.
COZ213-231100-
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
250 PM MDT TUE SEP 22 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100, THEN SLIGHT CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....38-44.
24 HR TREND......2-4 DEGREES WARMER.
MAX HUMIDITY........87-97%.
24 HR TREND......10-15% WETTER.
20-FOOT WINDS.......SOUTHEAST WINDS 4-8 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTHWEST 15-25 MPH.
MIXING HEIGHT.......2000-3000 FT AGL UNTIL 2000, THEN BELOW 1000 FT
AGL UNTIL 0500, THEN 1000 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH UNTIL 2000, THEN SOUTHEAST
UNTIL 2200, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
UNTIL 1200, THEN CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....60-66.
24 HR TREND......2-4 DEGREES COOLER.
MIN HUMIDITY........40-50%.
24 HR TREND......15-20% WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 4-6 MPH UNTIL 1200, THEN WEST
4-8 MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......1000 FT AGL UNTIL 0700, THEN BELOW 1000 FT AGL
UNTIL 0900, THEN 5000-6000 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1100, THEN WEST AROUND 10
MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....39-45.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........90-100%.
24 HR TREND......2-4% WETTER.
20-FOOT WINDS.......NORTHWEST WINDS 4-6 MPH UNTIL 2400, THEN
NORTHEAST 4-8 MPH.
CWR.................10 PERCENT INCREASING TO 20 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTH AROUND 15 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 2100, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH UNTIL 1900, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........CLOUDY. RAIN SHOWERS LIKELY UNTIL 1200, THEN
RAIN SHOWERS AND CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...50 PERCENT.
MAX TEMPERATURE.....57-63.
24 HR TREND......4-7 DEGREES COOLER.
MIN HUMIDITY........58-68%.
24 HR TREND......15-20% WETTER.
20-FOOT WINDS.......EAST WINDS 4-7 MPH.
CWR.................30 PERCENT INCREASING TO 60 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....EAST AROUND 15 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 3000-4000 FT
AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1200, THEN SOUTHEAST AROUND
10 MPH.
SMOKE DISPERSAL.....POOR.
THURSDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS AROUND 40. SOUTHEAST WINDS 4-6 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. HIGHS IN THE
LOWER 60S. SOUTHWEST WINDS 4-7 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
MID 60S. SOUTHWEST WINDS 4-6 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE MID
60S. SOUTHWEST WINDS 4-6 MPH.
COZ214-231100-
CENTRAL AND SOUTHEAST PARK COUNTY-
INCLUDING ELEVEN MILE CANYON RESERVOIR, FAIRPLAY, GUFFEY,
HARTSEL, LAKE GEORGE, AND SOUTH PARK
250 PM MDT TUE SEP 22 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100. CHANCE OF RAIN SHOWERS UNTIL 2400,
THEN SLIGHT CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....41-47.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........83-93%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH WINDS 4-8 MPH UNTIL 2400, THEN
SOUTHWEST.
RIDGES/UPR SLOPES....SOUTH WINDS 4-9 MPH UNTIL 2400, THEN
SOUTHWEST 5-12 MPH WITH GUSTS TO AROUND 20
MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTH 15-25 MPH.
MIXING HEIGHT.......2000-3000 FT AGL UNTIL 2000, THEN BELOW 1000 FT
AGL UNTIL 0100, THEN 1000 FT AGL UNTIL 0400,
THEN BELOW 1000 FT AGL UNTIL 0500, THEN 1500 FT
AGL.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH UNTIL 2000, THEN SOUTHEAST
UNTIL 2100, THEN LIGHT UNTIL 0100, THEN
SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....57-65.
24 HR TREND......4-7 DEGREES COOLER.
MIN HUMIDITY........42-52%.
24 HR TREND......10-15% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 4-8 MPH.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 4-8 MPH.
CWR.................0 PERCENT INCREASING TO 20 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST AROUND 15 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 4000-5000 FT
AGL.
TRANSPORT WINDS.....SOUTHWEST 10-15 MPH UNTIL 1700, THEN SOUTH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100. RAIN SHOWERS LIKELY.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....42-48.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........96-99%.
24 HR TREND......10-15% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTH WINDS 4-6 MPH.
RIDGES/UPR SLOPES....NORTH WINDS 4-7 MPH.
CWR.................50 PERCENT INCREASING TO 60 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHEAST AROUND 15 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH UNTIL 2000, THEN NORTHWEST
UNTIL 2100, THEN LIGHT UNTIL 0200, THEN NORTH
AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........CLOUDY. RAIN SHOWERS. SLIGHT CHANCE OF
THUNDERSTORMS AFTER 1200 UNTIL 1500, THEN
CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...50 PERCENT.
MAX TEMPERATURE.....53-59.
24 HR TREND......4-7 DEGREES COOLER.
MIN HUMIDITY........64-74%.
24 HR TREND......20-25% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHEAST WINDS 4-7 MPH UNTIL 1200, THEN
SOUTHEAST 4-9 MPH WITH GUSTS TO AROUND 20
MPH.
RIDGES/UPR SLOPES....NORTHEAST WINDS 4-9 MPH UNTIL 1200, THEN
SOUTHEAST 4-13 MPH WITH GUSTS TO AROUND 20
MPH.
CWR.................40 PERCENT INCREASING TO 50 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTH AROUND 15 MPH.
MIXING HEIGHT.......2000-3000 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0700, THEN NORTH AROUND 10
MPH UNTIL 0900, THEN EAST UNTIL 1300, THEN
SOUTH.
SMOKE DISPERSAL.....POOR.
THURSDAY NIGHT
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS.
LOWS IN THE LOWER 40S. SOUTH WINDS 4-7 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. HIGHS IN THE
LOWER 60S. WEST WINDS 5-12 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
MID 60S. WEST WINDS 4-9 MPH.
SUNDAY
MOSTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE MID 60S.
SOUTHWEST WINDS 4-8 MPH.
COZ218-231100-
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
250 PM MDT TUE SEP 22 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....36-46.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........78-88%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH WINDS 4-9 MPH.
RIDGES/UPR SLOPES....SOUTH WINDS 5-13 MPH. GUSTS UP TO 20 MPH
AFTER MIDNIGHT.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTHWEST 15-20 MPH.
MIXING HEIGHT.......2500-3500 FT AGL UNTIL 2000, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
UNTIL 1200, THEN CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....51-61.
24 HR TREND......4-7 DEGREES COOLER.
MIN HUMIDITY........45-55%.
24 HR TREND......10-15% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 4-9 MPH.
RIDGES/UPR SLOPES....WEST WINDS 4-9 MPH. GUSTS UP TO 20 MPH IN
THE MORNING.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST 15-20 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 4500-5500 FT
AGL.
TRANSPORT WINDS.....SOUTHWEST 10-15 MPH UNTIL 1700, THEN WEST.
SMOKE DISPERSAL.....POOR.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....36-46.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........85-95%.
24 HR TREND......15-20% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHEAST WINDS 4-6 MPH.
RIDGES/UPR SLOPES....NORTHEAST WINDS 4-6 MPH.
CWR.................10 PERCENT INCREASING TO 20 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......2000-3000 FT AGL UNTIL 2000, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH UNTIL 1900, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY UNTIL 1200,
THEN RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....46-56.
24 HR TREND......4-7 DEGREES COOLER.
MIN HUMIDITY........68-78%.
24 HR TREND......20-25% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...EAST WINDS 4-8 MPH.
RIDGES/UPR SLOPES....EAST WINDS 4-8 MPH.
CWR.................40 PERCENT INCREASING TO 60 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....EAST AROUND 15 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 3000-4000 FT
AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0700, THEN EAST AROUND 10
MPH.
SMOKE DISPERSAL.....POOR.
THURSDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 30S. SOUTH WINDS
4-7 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. HIGHS IN THE MID 50S. WEST WINDS 6-13 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
UPPER 50S. SOUTHWEST WINDS 5-12 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
UPPER 50S. SOUTHWEST WINDS 4-8 MPH.
COZ212-231100-
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
250 PM MDT TUE SEP 22 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100. CHANCE OF RAIN SHOWERS UNTIL 2400,
THEN SLIGHT CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....35-45.
24 HR TREND......2-4 DEGREES WARMER.
MAX HUMIDITY........80-90%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 4-9 MPH.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 4-12 MPH WITH GUSTS TO
AROUND 20 MPH.
CWR.................20 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 15-25 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 2000, THEN BELOW 1000 FT
AGL UNTIL 0200, THEN 1000-1500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 1900, THEN LIGHT
UNTIL 2100, THEN SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
UNTIL 1200, THEN CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS UNTIL 1500, THEN
CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....50-60.
24 HR TREND......7-10 DEGREES COOLER.
MIN HUMIDITY........46-56%.
24 HR TREND......10-15% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 4-8 MPH.
RIDGES/UPR SLOPES....WEST WINDS 4-8 MPH. GUSTS UP TO 20 MPH IN
THE MORNING.
CWR.................0 PERCENT INCREASING TO 30 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST AROUND 15 MPH.
MIXING HEIGHT.......1000 FT AGL UNTIL 0700, THEN BELOW 1000 FT AGL
UNTIL 0800, THEN 4000-5000 FT AGL.
TRANSPORT WINDS.....WEST AROUND 10 MPH UNTIL 1700, THEN NORTHWEST.
SMOKE DISPERSAL.....POOR.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100. RAIN SHOWERS LIKELY.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....36-46.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........90-100%.
24 HR TREND......15-20% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHEAST WINDS 4-6 MPH.
RIDGES/UPR SLOPES....NORTHEAST WINDS 4-8 MPH.
CWR.................40 PERCENT INCREASING TO 50 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....NORTHEAST AROUND 15 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0200, THEN EAST AROUND 10 MPH
UNTIL 0300, THEN LIGHT UNTIL 0400, THEN EAST
AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........CLOUDY. RAIN SHOWERS. SLIGHT CHANCE OF
THUNDERSTORMS AFTER 1200 UNTIL 1500, THEN
CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...50 PERCENT.
MAX TEMPERATURE.....44-54.
24 HR TREND......4-7 DEGREES COOLER.
MIN HUMIDITY........71-81%.
24 HR TREND......20-25% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...EAST WINDS 4-9 MPH. GUSTS UP TO 20 MPH IN
THE AFTERNOON.
RIDGES/UPR SLOPES....EAST WINDS 4-12 MPH. GUSTS UP TO 20 MPH IN
THE AFTERNOON.
CWR.................50 PERCENT INCREASING TO 70 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....EAST AROUND 15 MPH.
MIXING HEIGHT.......2000-3000 FT AGL.
TRANSPORT WINDS.....EAST AROUND 10 MPH UNTIL 1700, THEN SOUTHEAST.
SMOKE DISPERSAL.....POOR.
THURSDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 30S. SOUTH WINDS
4-8 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. HIGHS IN THE
MID 50S. WEST WINDS 5-12 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE
UPPER 50S. WEST WINDS 4-9 MPH.
SUNDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
UPPER 50S. SOUTHWEST WINDS 4-8 MPH.
COZ217-231100-
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
INCLUDING EAST SLOPES PARK AND NORTHERN GORE RANGES, GORE PASS,
AND RABBIT EARS PASS
250 PM MDT TUE SEP 22 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100. CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....38-44.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........85-95%.
24 HR TREND......25-35% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 4-12 MPH.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 6-14 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTHWEST 20-30 MPH.
MIXING HEIGHT.......3000-4000 FT AGL UNTIL 2000, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....SOUTH 10-15 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
UNTIL 1200, THEN SLIGHT CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....53-63.
24 HR TREND......7-10 DEGREES COOLER.
MIN HUMIDITY........43-53%.
24 HR TREND......15-20% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 6-14 MPH. GUSTS UP TO 20 MPH IN
THE AFTERNOON.
RIDGES/UPR SLOPES....WEST WINDS 6-14 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTHWEST 15-20 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 5000-6000 FT
AGL.
TRANSPORT WINDS.....WEST 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN FAIR.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....37-45.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........78-88%.
24 HR TREND......15-20% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTH WINDS 4-7 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 4-8 MPH UNTIL 2400, THEN
NORTHEAST 4-13 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......2500-3500 FT AGL UNTIL 2000, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH UNTIL 2000, THEN LIGHT
UNTIL 0100, THEN NORTHEAST AROUND 10 MPH UNTIL
0300, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS UNTIL
1200, THEN RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....50-60.
24 HR TREND......2-4 DEGREES COOLER.
MIN HUMIDITY........60-70%.
24 HR TREND......15-20% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...EAST WINDS 4-9 MPH.
RIDGES/UPR SLOPES....EAST WINDS 5-13 MPH.
CWR.................20 PERCENT INCREASING TO 50 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....LIGHT AND VARIABLE.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 3000-4000 FT
AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0700, THEN EAST AROUND 10 MPH
UNTIL 1700, THEN SOUTHEAST.
SMOKE DISPERSAL.....POOR.
THURSDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS AROUND 40. SOUTHEAST WINDS 4-8 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS
7-14 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
UPPER 50S. SOUTHWEST WINDS 7-14 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS AROUND 60.
SOUTHWEST WINDS 6-13 MPH.
OUTLOOK 6 TO 10 DAYS
TEMPERATURES ABOVE NORMAL AND PRECIPITATION ABOVE NORMAL.
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