870
FNUS55 KBOU 180847
FWFBOU
FIRE WEATHER FORECAST FOR NORTHEAST AND NORTH CENTRAL COLORADO
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
247 AM MDT TUE AUG 18 2026
DISCUSSION...TODAY AND TONIGHT
A WEAK COLD FRONT WILL MOVE THROUGH THE AREA LATE THIS MORNING
AND EARLY AFTERNOON. IMPACT ON TEMPERATURES WILL BE MINIMAL, BUT
MOISTURE WILL INCREASE BEHIND THE FRONT. SCATTERED SHOWERS AND
THUNDERSTORMS ARE FORECAST FOR THIS AFTERNOON THROUGH THE LATE
EVENING. A FEW OF THESE STORMS COULD BECOME STRONG TO SEVERE.
LONG TERM DISCUSSION...WEDNESDAY THROUGH SATURDAY...
ABOVE NORMAL TEMPERATURES WILL CONTINUE THROUGH THE END OF THE
WEEK. ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS WILL BE
POSSIBLE TOMORROW AFTERNOON AND EVENING. DRIER CONDITIONS ARE
EXPECTED FOR THURSDAY AND FRIDAY, BEFORE MORE WIDESPREAD RAIN
CHANCES RETURN FOR THE WEEKEND. NO CRITICAL FIRE WEATHER
CONDITIONS EXPECTED.
...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...
COZ238-182230-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
INCLUDING FORT COLLINS, HEREFORD, LOVELAND, NUNN,
AND WEST PAWNEE GRASSLANDS
247 AM MDT TUE AUG 18 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 0900, THEN MOSTLY
CLOUDY(55-60%). CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200 UNTIL
1500, THEN CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....84-90.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........26-30%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......NORTH WINDS 5-13 MPH. GUSTS UP TO 20 MPH IN THE
AFTERNOON.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 30-40 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900, THEN 6500-7500 FT
AGL.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400, THEN PARTLY
CLOUDY(40-50%). CHANCE OF THUNDERSTORMS UNTIL
2100, THEN CHANCE OF RAIN SHOWERS UNTIL 2400,
THEN SLIGHT CHANCE OF RAIN SHOWERS UNTIL 0300.
CHANCE OF THUNDER...30 PERCENT.
MIN TEMPERATURE.....54-60.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........87-97%.
24 HR TREND......25-35% WETTER.
20-FOOT WINDS.......NORTHWEST WINDS 4-12 MPH. GUSTS UP TO 20 MPH IN
THE EVENING.
CWR.................10 PERCENT DECREASING TO 0 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 35-45 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 2200, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....NORTH AROUND 10 MPH UNTIL 1900, THEN SOUTHWEST
UNTIL 0200, THEN WEST.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%). SLIGHT CHANCE OF
THUNDERSTORMS AFTER 1200 UNTIL 1600.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....84-88.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........27-31%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......WEST WINDS 4-8 MPH UNTIL 1200, THEN NORTHEAST
5-12 MPH WITH GUSTS TO AROUND 25 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 30-40 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800. 10000-11000 FT
AGL AFTER 1100.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1100. VERY GOOD AFTER 1400.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTHEAST
WINDS 4-8 MPH.
THURSDAY
MOSTLY CLEAR. HIGHS IN THE LOWER 90S. EAST WINDS
4-9 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
LOWER 90S. NORTHEAST WINDS 4-9 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS
AROUND 60. HIGHS IN THE LOWER 90S. SOUTH WINDS 4-9 MPH.
COZ239-182230-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
INCLUDING ARVADA, BOULDER, GOLDEN, LAKEWOOD, AND LONGMONT
247 AM MDT TUE AUG 18 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 1200, THEN MOSTLY
CLOUDY(50-60%). SLIGHT CHANCE OF THUNDERSTORMS
AFTER 1200 UNTIL 1500, THEN CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....89-93.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........19-25%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......SOUTHWEST WINDS 4-7 MPH UNTIL 1200, THEN
NORTHEAST 6-13 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 0800. 7500-8500 FT AGL
AFTER 1200.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1100, THEN NORTHWEST 10-15
MPH UNTIL 1500, THEN NORTH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400, THEN PARTLY
CLOUDY(35-45%). CHANCE OF THUNDERSTORMS UNTIL
2100, THEN CHANCE OF RAIN SHOWERS UNTIL 2400,
THEN SLIGHT CHANCE OF RAIN SHOWERS UNTIL 0300.
CHANCE OF THUNDER...30 PERCENT.
MIN TEMPERATURE.....58-62.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........71-81%.
24 HR TREND......20-25% WETTER.
20-FOOT WINDS.......NORTH WINDS 4-8 MPH UNTIL 2400, THEN SOUTHWEST
4-6 MPH.
CWR.................10 PERCENT DECREASING TO 0 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 2400, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....NORTH AROUND 10 MPH UNTIL 2100, THEN NORTHWEST
UNTIL 2200, THEN LIGHT UNTIL 2400, THEN SOUTH
AROUND 10 MPH UNTIL 0100, THEN LIGHT UNTIL
0300, THEN SOUTHWEST AROUND 10 MPH UNTIL 0400,
THEN LIGHT.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%). SLIGHT CHANCE OF
THUNDERSTORMS AFTER 1200 UNTIL 1400, THEN
CHANCE OF THUNDERSTORMS UNTIL 1500, THEN SLIGHT
CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....86-90.
24 HR TREND......2-4 DEGREES COOLER.
MIN HUMIDITY........27-31%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......NORTHEAST WINDS 4-9 MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....NORTHWEST 25-35 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800. 8000-9000 FT AGL
AFTER 1200.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1200, THEN NORTHWEST AROUND
10 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. WEST WINDS
4-7 MPH.
THURSDAY
MOSTLY CLEAR. HIGHS IN THE LOWER 90S. EAST WINDS
4-7 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE MID
90S. WEST WINDS 4-7 MPH.
SATURDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN THE
LOWER 60S. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS 4-7 MPH.
COZ240-182230-
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
247 AM MDT TUE AUG 18 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 1500, THEN MOSTLY
CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER
1200.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....90-94.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........17-21%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......WEST WINDS 4-8 MPH UNTIL 1200, THEN NORTHEAST
7-14 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. 7500-8500 FT AGL
AFTER 1200.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH UNTIL 0700, THEN LIGHT
UNTIL 1200, THEN NORTHWEST 10-15 MPH UNTIL
1600, THEN NORTH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400, THEN PARTLY
CLOUDY(35-45%). CHANCE OF THUNDERSTORMS UNTIL
2100, THEN SLIGHT CHANCE OF THUNDERSTORMS UNTIL
2400, THEN SLIGHT CHANCE OF RAIN SHOWERS UNTIL
0300.
CHANCE OF THUNDER...30 PERCENT.
MIN TEMPERATURE.....59-63.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........70-80%.
24 HR TREND......20-25% WETTER.
20-FOOT WINDS.......NORTHEAST WINDS 5-12 MPH WITH GUSTS TO AROUND
20 MPH UNTIL 2400, THEN SOUTH 4-8 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 2400, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....NORTHEAST 10-15 MPH UNTIL 2300, THEN SOUTH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY UNTIL 0900, THEN MOSTLY SUNNY
UNTIL 1200, THEN PARTLY CLOUDY(35-45%). SLIGHT
CHANCE OF THUNDERSTORMS AFTER 1400.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....87-91.
24 HR TREND......2-4 DEGREES COOLER.
MIN HUMIDITY........24-28%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......WEST WINDS 4-8 MPH UNTIL 1200, THEN NORTHEAST
4-13 MPH WITH GUSTS TO AROUND 20 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 25-35 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800. 9500-10500 FT AGL
AFTER 1200.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1200, THEN NORTHWEST AROUND
10 MPH UNTIL 1700, THEN SOUTHWEST.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.
WEDNESDAY NIGHT
MOSTLY CLEAR. SLIGHT CHANCE OF RAIN SHOWERS.
LOWS IN THE LOWER 60S. SOUTH WINDS 4-9 MPH.
THURSDAY
MOSTLY CLEAR. HIGHS IN THE LOWER 90S. EAST WINDS
4-9 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE MID
90S. SOUTHEAST WINDS 4-9 MPH.
SATURDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN THE
MID 60S. HIGHS IN THE MID 90S. SOUTH WINDS 4-9 MPH.
COZ241-182230-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING CASTLE ROCK, ELBERT, FONDIS, KIOWA, AND LARKSPUR
247 AM MDT TUE AUG 18 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%). SLIGHT CHANCE OF
THUNDERSTORMS AFTER 1500.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....87-91.
24 HR TREND......2-4 DEGREES WARMER.
MIN HUMIDITY........18-22%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......WEST WINDS 5-12 MPH UNTIL 1200, THEN NORTH.
GUSTS UP TO 20 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 1200.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH UNTIL 1600, THEN NORTH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400, THEN PARTLY
CLOUDY(35-45%). SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2400, THEN SLIGHT CHANCE OF RAIN SHOWERS
UNTIL 0300.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....55-59.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........78-88%.
24 HR TREND......20-25% WETTER.
20-FOOT WINDS.......NORTH WINDS 5-12 MPH WITH GUSTS TO AROUND 20
MPH UNTIL 2400, THEN SOUTHWEST 4-9 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 0100, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....NORTHEAST 10-15 MPH UNTIL 2400, THEN WEST UNTIL
0200, THEN SOUTHWEST.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 1500, THEN MOSTLY
CLOUDY(50-60%). CHANCE OF THUNDERSTORMS AFTER
1200.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....82-88.
24 HR TREND......4-7 DEGREES COOLER.
MIN HUMIDITY........30-36%.
24 HR TREND......10-15% WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 5-12 MPH UNTIL 1200, THEN
NORTHEAST 4-13 MPH. GUSTS UP TO 20 MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....NORTHWEST 25-35 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 4000-5000 FT
AGL UNTIL 1200, THEN 8000-9000 FT AGL UNTIL
1700, THEN 4000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 1000, THEN
NORTHWEST UNTIL 1700, THEN EAST.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD UNTIL 1700, THEN
POOR.
WEDNESDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS.
LOWS IN THE UPPER 50S. SOUTH WINDS 6-13 MPH.
THURSDAY
MOSTLY CLEAR. HIGHS IN THE UPPER 80S. SOUTH WINDS
4-9 MPH.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS
AROUND 60. HIGHS IN THE LOWER 90S. SOUTH WINDS 4-9 MPH.
SATURDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS AROUND
60. HIGHS AROUND 90. SOUTH WINDS 4-9 MPH.
COZ242-182230-
NORTHEAST WELD COUNTY-
INCLUDING BRIGGSDALE, EAST PAWNEE GRASSLANDS, GROVER,
PAWNEE BUTTES, RAYMER, AND STONEHAM
247 AM MDT TUE AUG 18 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 1500, THEN MOSTLY
CLOUDY(60-65%). SLIGHT CHANCE OF THUNDERSTORMS
AFTER 1200 UNTIL 1500, THEN CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....85-89.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........26-34%.
24 HR TREND......7-10% WETTER.
20-FOOT WINDS.......NORTH WINDS 6-14 MPH. GUSTS UP TO 20 MPH IN THE
AFTERNOON.
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, THEN 5500-6500 FT
AGL.
TRANSPORT WINDS.....NORTH 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1300, THEN GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 0300, THEN PARTLY
CLOUDY(40-50%). CHANCE OF THUNDERSTORMS UNTIL
2100, THEN SLIGHT CHANCE OF THUNDERSTORMS UNTIL
2400. CHANCE OF RAIN SHOWERS AFTER 2100 UNTIL
0300.
CHANCE OF THUNDER...30 PERCENT.
MIN TEMPERATURE.....56-60.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........96-99%.
24 HR TREND......20-25% WETTER.
20-FOOT WINDS.......NORTHEAST WINDS 6-13 MPH WITH GUSTS TO AROUND
20 MPH UNTIL 2400, THEN WEST 4-9 MPH.
CWR.................20 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 35-45 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 2200, THEN BELOW 1000 FT
AGL UNTIL 2300, THEN 1000 FT AGL UNTIL 2400,
THEN BELOW 1000 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 15 MPH UNTIL 2000, THEN
SOUTHWEST UNTIL 0400, THEN WEST.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 0900, THEN MOSTLY
SUNNY UNTIL 1200, THEN PARTLY CLOUDY(30-40%).
SLIGHT CHANCE OF RAIN SHOWERS AFTER 1400 UNTIL
1500, THEN SLIGHT CHANCE OF THUNDERSTORMS UNTIL
1600.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....84-88.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........28-34%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......WEST WINDS 4-9 MPH UNTIL 1200, THEN NORTH 4-13
MPH WITH GUSTS TO AROUND 20 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 30-40 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 8500-9500 FT
AGL.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200. GOOD AFTER 1600.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. EAST
WINDS 5-12 MPH.
THURSDAY
MOSTLY CLEAR. HIGHS IN THE LOWER 90S. EAST WINDS
4-9 MPH.
FRIDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE LOWER 90S.
EAST WINDS 4-9 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS
IN THE LOWER 60S. HIGHS IN THE LOWER 90S. SOUTHEAST WINDS
6-13 MPH.
COZ243-182230-
CENTRAL AND SOUTH WELD COUNTY-
INCLUDING EATON, FORT LUPTON, GREELEY, AND ROGGEN
247 AM MDT TUE AUG 18 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 1500, THEN MOSTLY
CLOUDY(60-65%). SLIGHT CHANCE OF THUNDERSTORMS
AFTER 1200 UNTIL 1500, THEN CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....89-93.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........22-26%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......NORTHWEST WINDS 4-8 MPH UNTIL 1200, THEN
NORTHEAST 8-15 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 6500-7500 FT
AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH UNTIL 0700, THEN LIGHT
UNTIL 1200, THEN NORTH 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1300, THEN GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400, THEN PARTLY
CLOUDY(35-45%). CHANCE OF THUNDERSTORMS UNTIL
2100, THEN CHANCE OF RAIN SHOWERS UNTIL 2400,
THEN SLIGHT CHANCE OF RAIN SHOWERS UNTIL 0300.
CHANCE OF THUNDER...30 PERCENT.
MIN TEMPERATURE.....56-60.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........89-99%.
24 HR TREND......25-35% WETTER.
20-FOOT WINDS.......NORTHEAST WINDS 5-12 MPH WITH GUSTS TO AROUND
20 MPH UNTIL 2400, THEN SOUTHWEST 4-7 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....WEST 35-45 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 2400, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....NORTHEAST 10-15 MPH UNTIL 2200, THEN NORTHWEST
UNTIL 2300, THEN SOUTH UNTIL 0300, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 0900, THEN MOSTLY
SUNNY UNTIL 1200, THEN PARTLY CLOUDY(30-40%).
SLIGHT CHANCE OF THUNDERSTORMS AFTER 1600 UNTIL
1700.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....87-91.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........26-30%.
24 HR TREND......2-4% WETTER.
20-FOOT WINDS.......WEST WINDS 4-7 MPH UNTIL 1200, THEN NORTHEAST
4-9 MPH WITH GUSTS TO AROUND 20 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 30-40 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800. 10000-11000 FT
AGL AFTER 1200.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1000. NORTHWEST AROUND 10 MPH
AFTER 1200.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. EAST
WINDS 4-9 MPH.
THURSDAY
MOSTLY CLEAR. HIGHS IN THE MID 90S. EAST WINDS
4-9 MPH.
FRIDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE MID 90S.
EAST WINDS 4-9 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS
IN THE LOWER 60S. HIGHS IN THE MID 90S. SOUTHEAST WINDS 4-9 MPH.
COZ244-182230-
MORGAN COUNTY-
INCLUDING BRUSH, FORT MORGAN, GOODRICH, AND WIGGINS
247 AM MDT TUE AUG 18 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY(30-40%) UNTIL 0900, THEN MOSTLY
SUNNY UNTIL 1200, THEN PARTLY CLOUDY UNTIL
1500, THEN MOSTLY CLOUDY(50-60%). SLIGHT CHANCE
OF THUNDERSTORMS AFTER 1500.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....87-91.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........27-33%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTHWEST WINDS 4-13 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 0800, THEN 6000-7000 FT
AGL.
TRANSPORT WINDS.....NORTH 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1400, THEN GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 0300, THEN PARTLY
CLOUDY(40-50%). CHANCE OF THUNDERSTORMS UNTIL
2400, THEN CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...30 PERCENT.
MIN TEMPERATURE.....57-61.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........96-99%.
24 HR TREND......10-15% WETTER.
20-FOOT WINDS.......NORTHEAST WINDS 7-14 MPH WITH GUSTS TO AROUND
20 MPH UNTIL 2400, THEN SOUTHWEST 5-8 MPH.
CWR.................20 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 35-45 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 2400, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....NORTHEAST 10-15 MPH UNTIL 2400, THEN SOUTHWEST.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 0900, THEN MOSTLY
SUNNY UNTIL 1500, THEN PARTLY CLOUDY(35-45%).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....86-90.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........30-36%.
24 HR TREND......2-4% WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 4-9 MPH UNTIL 1200, THEN NORTH
WITH GUSTS TO AROUND 20 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 35-45 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800. 9000-10000 FT AGL
AFTER 1400.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0800, THEN WEST AROUND 10 MPH
UNTIL 1200, THEN NORTHWEST UNTIL 1300, THEN
LIGHT UNTIL 1400, THEN NORTHWEST 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1400, THEN GOOD.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTHEAST
WINDS 6-13 MPH.
THURSDAY
MOSTLY CLEAR. HIGHS IN THE LOWER 90S. SOUTHEAST WINDS
4-9 MPH.
FRIDAY
MOSTLY CLEAR. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. HIGHS IN THE MID 90S. SOUTHEAST WINDS 5-12 MPH.
SATURDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN THE
LOWER 60S. HIGHS IN THE MID 90S. SOUTHEAST WINDS 6-13 MPH.
COZ245-182230-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
INCLUDING BENNETT, BYERS, DEER TRAIL, AND LEADER
247 AM MDT TUE AUG 18 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY(30-40%) UNTIL 0900, THEN MOSTLY
SUNNY UNTIL 1200, THEN PARTLY CLOUDY(35-45%).
SLIGHT CHANCE OF THUNDERSTORMS AFTER 1500.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....88-92.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........21-27%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTHWEST WINDS 6-12 MPH UNTIL 1200, THEN
NORTHEAST 8-15 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900, THEN 7000-8000 FT
AGL.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH UNTIL 1500, THEN NORTH.
SMOKE DISPERSAL.....POOR UNTIL 1300, THEN GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 0300, THEN PARTLY
CLOUDY(40-50%). CHANCE OF THUNDERSTORMS UNTIL
2400, THEN CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...30 PERCENT.
MIN TEMPERATURE.....58-62.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........84-94%.
24 HR TREND......20-25% WETTER.
20-FOOT WINDS.......NORTHEAST WINDS 7-14 MPH WITH GUSTS TO AROUND
20 MPH UNTIL 2400, THEN SOUTHWEST 5-8 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 0200, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....NORTHEAST 10-15 MPH UNTIL 2400, THEN SOUTHWEST.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY(30-40%) UNTIL 0900, THEN MOSTLY
SUNNY UNTIL 1200, THEN PARTLY CLOUDY(30-40%).
SLIGHT CHANCE OF THUNDERSTORMS AFTER 1500.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....86-90.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........27-31%.
24 HR TREND......2-4% WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 4-13 MPH UNTIL 1200, THEN
NORTHEAST 6-10 MPH WITH GUSTS TO AROUND 20 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 30-40 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 8500-9500 FT
AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 0900, THEN
NORTHWEST.
SMOKE DISPERSAL.....POOR UNTIL 1300, THEN GOOD.
WEDNESDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS.
LOWS IN THE LOWER 60S. SOUTH WINDS 8-15 MPH.
THURSDAY
MOSTLY CLEAR. HIGHS IN THE LOWER 90S. SOUTHEAST WINDS
5-12 MPH.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. HIGHS IN THE MID 90S. SOUTH WINDS 6-13 MPH.
SATURDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN THE
LOWER 60S. HIGHS IN THE MID 90S. SOUTH WINDS 6-13 MPH.
COZ248-182230-
LOGAN COUNTY-
INCLUDING CROOK, MERINO, STERLING, AND PEETZ
247 AM MDT TUE AUG 18 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 1500, THEN MOSTLY
CLOUDY(50-60%). SLIGHT CHANCE OF THUNDERSTORMS
AFTER 1500.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....85-89.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........34-40%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTH WINDS 6-14 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 30-40 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 5000-6000 FT
AGL.
TRANSPORT WINDS.....NORTH 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1400, THEN GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 0300, THEN PARTLY
CLOUDY(40-50%). CHANCE OF THUNDERSTORMS UNTIL
2400, THEN CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...40 PERCENT.
MIN TEMPERATURE.....57-61.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........98-100%.
24 HR TREND......7-10% WETTER.
20-FOOT WINDS.......EAST WINDS 6-13 MPH WITH GUSTS TO AROUND 20 MPH
UNTIL 2400, THEN SOUTHWEST 4-8 MPH.
CWR.................20 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 30-40 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 2100, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....EAST 10-15 MPH UNTIL 2100, THEN SOUTH UNTIL
2300, THEN SOUTHWEST.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 0900, THEN MOSTLY
SUNNY UNTIL 1500, THEN PARTLY CLOUDY(30-40%).
SLIGHT CHANCE OF THUNDERSTORMS AFTER 1500 UNTIL
1700.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....83-87.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........36-42%.
24 HR TREND......2-4% WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 4-9 MPH UNTIL 1200, THEN NORTH
5-12 MPH WITH GUSTS TO AROUND 20 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 35-45 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 6000-7000 FT
AGL.
TRANSPORT WINDS.....WEST AROUND 10 MPH UNTIL 1500, THEN NORTHWEST
UNTIL 1700, THEN SOUTH.
SMOKE DISPERSAL.....POOR UNTIL 1400, THEN FAIR.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTHEAST
WINDS 4-9 MPH.
THURSDAY
MOSTLY CLEAR. HIGHS AROUND 90. SOUTHEAST WINDS
4-9 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER
90S. SOUTHEAST WINDS 4-9 MPH.
SATURDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN THE
LOWER 60S. HIGHS IN THE LOWER 90S. SOUTHEAST WINDS 7-14 MPH.
COZ249-182230-
WASHINGTON COUNTY-
INCLUDING AKRON, COPE, LAST CHANCE, AND OTIS
247 AM MDT TUE AUG 18 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY(30-35%) UNTIL 0900, THEN MOSTLY
SUNNY UNTIL 1500, THEN PARTLY CLOUDY(35-45%).
SLIGHT CHANCE OF THUNDERSTORMS AFTER 1500.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....87-91.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........27-37%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......NORTHWEST WINDS 7-14 MPH UNTIL 1200, THEN
NORTHEAST 10-16 MPH. GUSTS UP TO 25 MPH.
CWR.................0 PERCENT.
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 UNTIL 1500, THEN NORTHEAST
15-20 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1400, THEN GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY(60-65%). CHANCE OF THUNDERSTORMS
UNTIL 2400, THEN CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS UNTIL 0300, THEN
SLIGHT CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...30 PERCENT.
MIN TEMPERATURE.....58-62.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........96-99%.
24 HR TREND......20-25% WETTER.
20-FOOT WINDS.......NORTHEAST WINDS 8-15 MPH WITH GUSTS TO AROUND
25 MPH UNTIL 2400, THEN SOUTH 4-12 MPH.
CWR.................20 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 35-45 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 2400, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....NORTHEAST 15-20 MPH UNTIL 2400, THEN EAST
AROUND 10 MPH UNTIL 0100, THEN WEST UNTIL 0300,
THEN SOUTH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 0900, THEN MOSTLY
SUNNY UNTIL 1500, THEN PARTLY CLOUDY(30-40%).
SLIGHT CHANCE OF RAIN SHOWERS UNTIL 0700.
SLIGHT CHANCE OF THUNDERSTORMS AFTER 1500.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....84-88.
24 HR TREND......2-4 DEGREES COOLER.
MIN HUMIDITY........32-38%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......SOUTHWEST WINDS 6-13 MPH UNTIL 1200, THEN
NORTH. GUSTS UP TO 20 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 35-45 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 7500-8500 FT
AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 1200, THEN
NORTHWEST.
SMOKE DISPERSAL.....POOR UNTIL 1300, THEN GOOD.
WEDNESDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS.
LOWS AROUND 60. SOUTHEAST WINDS 7-14 MPH.
THURSDAY
MOSTLY CLEAR. HIGHS IN THE LOWER 90S. SOUTH WINDS
7-14 MPH.
FRIDAY
MOSTLY CLEAR. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. HIGHS IN THE MID 90S. SOUTH WINDS 7-14 MPH.
SATURDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN THE
LOWER 60S. HIGHS IN THE LOWER 90S. SOUTHEAST WINDS 9-16 MPH.
COZ250-182230-
SEDGWICK COUNTY-
INCLUDING JULESBURG, OVID, AND SEDGWICK
247 AM MDT TUE AUG 18 2026
TODAY
SKY/WEATHER.........MOSTLY CLOUDY(50-60%) UNTIL 0900, THEN PARTLY
CLOUDY(30-40%) UNTIL 1500, THEN MOSTLY
CLOUDY(50-60%). SLIGHT CHANCE OF THUNDERSTORMS
AFTER 1500.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....83-87.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........42-46%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTH WINDS 6-14 MPH. GUSTS UP TO 20 MPH IN THE
AFTERNOON.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 30-40 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 4500-5500 FT
AGL.
TRANSPORT WINDS.....NORTH 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1400, THEN FAIR.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS UNTIL
2400, THEN CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...40 PERCENT.
MIN TEMPERATURE.....AROUND 60.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........100%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......EAST WINDS 6-13 MPH WITH GUSTS TO AROUND 20 MPH
UNTIL 2400, THEN SOUTHWEST 5-8 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....WEST 35-45 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 2100, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....NORTHEAST 10-15 MPH UNTIL 2000, THEN EAST UNTIL
2200, THEN SOUTH UNTIL 2400, THEN NORTHWEST
UNTIL 0100, THEN NORTHEAST UNTIL 0200, THEN
SOUTHEAST UNTIL 0300, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 0900, THEN MOSTLY
SUNNY UNTIL 1500, THEN PARTLY CLOUDY(30-40%).
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS UNTIL 1200. CHANCE OF
THUNDERSTORMS AFTER 1200.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....80-84.
24 HR TREND......2-4 DEGREES COOLER.
MIN HUMIDITY........45-49%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......SOUTHWEST WINDS 5-12 MPH UNTIL 1200, THEN
NORTHWEST 6-12 MPH WITH GUSTS TO AROUND 20 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 35-45 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 4000-5000 FT
AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0700. WEST AROUND 10 MPH
AFTER 1500.
SMOKE DISPERSAL.....POOR.
WEDNESDAY NIGHT
MOSTLY CLEAR. SLIGHT CHANCE OF THUNDERSTORMS.
LOWS IN THE UPPER 50S. SOUTHEAST WINDS 4-9 MPH.
THURSDAY
MOSTLY CLEAR. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS
6-12 MPH.
FRIDAY
MOSTLY CLEAR. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. HIGHS AROUND 90. SOUTHEAST WINDS 6-13 MPH.
SATURDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN THE
LOWER 60S. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS 10-17 MPH.
COZ251-182230-
PHILLIPS COUNTY-
INCLUDING AMHERST, HAXTUN, AND HOLYOKE
247 AM MDT TUE AUG 18 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 0900, THEN MOSTLY
SUNNY UNTIL 1200, THEN PARTLY CLOUDY(35-45%).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....84-88.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........40-46%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......NORTH WINDS 6-14 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 30-40 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 4500-5500 FT
AGL.
TRANSPORT WINDS.....NORTH 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1400, THEN GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 0300, THEN PARTLY
CLOUDY(40-50%). CHANCE OF THUNDERSTORMS UNTIL
2400, THEN CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...40 PERCENT.
MIN TEMPERATURE.....AROUND 59.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........100%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTHEAST WINDS 6-13 MPH WITH GUSTS TO AROUND
20 MPH UNTIL 2400, THEN WEST 4-8 MPH.
CWR.................30 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 35-45 MPH.
MIXING HEIGHT.......2500-3500 FT AGL UNTIL 2000, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....NORTHEAST 10-15 MPH UNTIL 2100, THEN SOUTHEAST
UNTIL 2300, THEN NORTHWEST UNTIL 0200, THEN
NORTHEAST UNTIL 0300, THEN LIGHT UNTIL 0500,
THEN SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 0900, THEN MOSTLY
SUNNY UNTIL 1500, THEN PARTLY CLOUDY(30-40%).
SLIGHT CHANCE OF RAIN SHOWERS UNTIL 0800.
SLIGHT CHANCE OF THUNDERSTORMS AFTER 1500.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....81-85.
24 HR TREND......2-4 DEGREES COOLER.
MIN HUMIDITY........43-49%.
24 HR TREND......2-4% WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 5-12 MPH UNTIL 1200, THEN NORTH
6-12 MPH WITH GUSTS TO AROUND 20 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 30-40 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 4500-5500 FT
AGL.
TRANSPORT WINDS.....WEST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS.
LOWS IN THE UPPER 50S. SOUTHEAST WINDS 4-9 MPH.
THURSDAY
MOSTLY CLEAR. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS
6-13 MPH.
FRIDAY
MOSTLY CLEAR. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. HIGHS IN THE LOWER 90S. SOUTHEAST WINDS 5-12 MPH.
SATURDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN THE
LOWER 60S. HIGHS IN THE LOWER 90S. SOUTHEAST WINDS 9-16 MPH.
COZ246-182230-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
INCLUDING AGATE, HUGO, LIMON, AND MATHESON
247 AM MDT TUE AUG 18 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 0900, THEN MOSTLY
SUNNY UNTIL 1500, THEN PARTLY CLOUDY(35-45%).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....89-93.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........19-23%.
24 HR TREND......10-15% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 8-15 MPH UNTIL 1200, THEN
NORTH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 15-25 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900. 9000-10000 FT AGL
AFTER 1300.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH UNTIL 1500, THEN NORTH.
SMOKE DISPERSAL.....POOR UNTIL 1300, THEN GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY(60-65%) UNTIL 0300, THEN PARTLY
CLOUDY(40-50%). CHANCE OF THUNDERSTORMS UNTIL
2400, THEN CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...30 PERCENT.
MIN TEMPERATURE.....56-60.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........90-100%.
24 HR TREND......20-25% WETTER.
20-FOOT WINDS.......NORTHEAST WINDS 8-15 MPH UNTIL 2400, THEN WEST
4-8 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 0200, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....NORTHEAST 10-15 MPH UNTIL 0200, THEN WEST UNTIL
0300, THEN SOUTH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY(30-40%) UNTIL 1500, THEN MOSTLY
CLOUDY(50-60%). SLIGHT CHANCE OF THUNDERSTORMS
AFTER 1400 UNTIL 1500, THEN CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....84-88.
24 HR TREND......4-7 DEGREES COOLER.
MIN HUMIDITY........30-34%.
24 HR TREND......10-15% WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 6-13 MPH UNTIL 1200, THEN NORTH
5-12 MPH. GUSTS UP TO 20 MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....NORTHWEST 30-40 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700, THEN 7500-8500 FT
AGL.
TRANSPORT WINDS.....SOUTHWEST 10-15 MPH UNTIL 1100, THEN WEST.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD UNTIL 1700, THEN
FAIR.
WEDNESDAY NIGHT
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS
IN THE UPPER 50S. SOUTH WINDS 7-14 MPH.
THURSDAY
MOSTLY CLEAR. HIGHS IN THE LOWER 90S. SOUTH WINDS
6-13 MPH.
FRIDAY
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE LOWER 90S.
SOUTH WINDS 6-13 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS
AROUND 60. HIGHS IN THE LOWER 90S. SOUTH WINDS 6-13 MPH.
COZ247-182230-
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
INCLUDING FORDER, KARVAL, KUTCH, AND PUNKIN CENTER
247 AM MDT TUE AUG 18 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY UNTIL 0900, THEN MOSTLY SUNNY
UNTIL 1500, THEN PARTLY CLOUDY(30-40%).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....92-96.
24 HR TREND......7-10 DEGREES WARMER.
MIN HUMIDITY........14-18%.
24 HR TREND......15-20% DRIER.
20-FOOT WINDS.......NORTH WINDS 7-15 MPH.
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.....NORTHWEST 10-15 MPH UNTIL 1700, THEN NORTHEAST.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY(55-60%) UNTIL 0300, THEN PARTLY
CLOUDY(50-60%). CHANCE OF THUNDERSTORMS UNTIL
2400. CHANCE OF RAIN SHOWERS AFTER 2400.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....56-62.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........89-99%.
24 HR TREND......20-25% WETTER.
20-FOOT WINDS.......NORTHEAST WINDS 8-16 MPH WITH GUSTS TO AROUND
25 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......7500 FT AGL UNTIL 1900, THEN 1500-2500 FT AGL.
TRANSPORT WINDS.....NORTHEAST 15-20 MPH UNTIL 0200, THEN AROUND 10
MPH UNTIL 0400, THEN LIGHT.
SMOKE DISPERSAL.....GOOD UNTIL 1900, THEN POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY(50-60%) UNTIL 0900, THEN PARTLY
CLOUDY(35-45%). SLIGHT CHANCE OF THUNDERSTORMS
AFTER 1400 UNTIL 1500, THEN CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....84-88.
24 HR TREND......7-10 DEGREES COOLER.
MIN HUMIDITY........32-36%.
24 HR TREND......15-20% WETTER.
20-FOOT WINDS.......SOUTH WINDS 5-13 MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....NORTHWEST 30-40 MPH.
MIXING HEIGHT.......7500-8500 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0700, THEN SOUTHWEST AROUND
10 MPH UNTIL 1500, THEN NORTHWEST.
SMOKE DISPERSAL.....POOR UNTIL 1500, THEN FAIR.
WEDNESDAY NIGHT
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS
IN THE UPPER 50S. SOUTH WINDS 4-9 MPH.
THURSDAY
MOSTLY CLEAR. HIGHS IN THE LOWER 90S. SOUTH WINDS
5-12 MPH.
FRIDAY
MOSTLY CLEAR. SLIGHT CHANCE OF THUNDERSTORMS. LOWS
AROUND 60. HIGHS IN THE MID 90S. SOUTHEAST WINDS 5-12 MPH.
SATURDAY
MOSTLY CLEAR. SLIGHT CHANCE OF THUNDERSTORMS. LOWS
AROUND 60. HIGHS IN THE MID 90S. SOUTHEAST WINDS 6-13 MPH.
COZ215-182230-
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
INCLUDING ESTES PARK, GLENDEVEY, LARAMIE RIVER VALLEY, NEDERLAND,
AND RED FEATHER LAKES
247 AM MDT TUE AUG 18 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 0900, THEN MOSTLY
CLOUDY(60-65%). CHANCE OF THUNDERSTORMS AFTER
1200.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....75-85.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........24-30%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 4-8 MPH UNTIL 1200, THEN
NORTHWEST 5-12 MPH. GUSTS UP TO 20 MPH.
RIDGES/UPR SLOPES....WEST WINDS 4-9 MPH UNTIL 1200, THEN
NORTHWEST 5-12 MPH. GUSTS UP TO 20 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 6000-7000 FT
AGL.
TRANSPORT WINDS.....WEST 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1000, THEN GOOD UNTIL 1700, THEN
FAIR.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400, THEN PARTLY
CLOUDY(35-45%). CHANCE OF THUNDERSTORMS UNTIL
2100, THEN CHANCE OF RAIN SHOWERS UNTIL 2400.
CHANCE OF THUNDER...30 PERCENT.
MIN TEMPERATURE.....48-58.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........71-81%.
24 HR TREND......25-35% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 4-9 MPH.
RIDGES/UPR SLOPES....WEST WINDS 4-9 MPH.
CWR.................10 PERCENT DECREASING TO 0 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 30-40 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 2200, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....WEST 10-15 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY UNTIL 0900, THEN PARTLY
CLOUDY(35-45%). SLIGHT CHANCE OF THUNDERSTORMS
AFTER 1200 UNTIL 1300, THEN CHANCE OF
THUNDERSTORMS UNTIL 1400, THEN SLIGHT CHANCE OF
THUNDERSTORMS UNTIL 1700.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....74-84.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........25-33%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5-13 MPH WITH GUSTS TO
AROUND 25 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5-13 MPH WITH GUSTS TO
AROUND 25 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 25-35 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800. 10500-11500 FT
AGL AFTER 1000.
TRANSPORT WINDS.....WEST 10-15 MPH UNTIL 1100, THEN NORTHWEST 15-20
MPH.
SMOKE DISPERSAL.....POOR UNTIL 1000, THEN GOOD UNTIL 1100, THEN
EXCELLENT UNTIL 1700, THEN VERY GOOD.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 50S. WEST
WINDS 4-7 MPH.
THURSDAY
MOSTLY CLEAR. HIGHS IN THE MID 80S. NORTHWEST WINDS
4-8 MPH.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 50S. HIGHS IN THE MID 80S. WEST WINDS 4-7 MPH.
SATURDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN THE
UPPER 50S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 4-7 MPH.
COZ216-182230-
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
247 AM MDT TUE AUG 18 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 1500, THEN MOSTLY
CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER
1200.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....78-88.
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
5-12 MPH WITH GUSTS TO AROUND 20 MPH.
RIDGES/UPR SLOPES....WEST WINDS 4-13 MPH UNTIL 1200, THEN
NORTHWEST 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 10-15 MPH UNTIL 1700, THEN NORTH.
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN VERY GOOD UNTIL 1600,
THEN GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400, THEN PARTLY
CLOUDY(35-45%). CHANCE OF THUNDERSTORMS UNTIL
2100, THEN SLIGHT CHANCE OF THUNDERSTORMS UNTIL
2400.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....50-60.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........66-76%.
24 HR TREND......15-20% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTH WINDS 4-8 MPH UNTIL 2400, THEN
SOUTHWEST.
RIDGES/UPR SLOPES....NORTH WINDS 4-9 MPH UNTIL 2400, THEN
SOUTHWEST.
CWR.................10 PERCENT DECREASING TO 0 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 2400, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....NORTH AROUND 10 MPH UNTIL 2200, THEN LIGHT
UNTIL 2400, THEN SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY UNTIL 0900, THEN PARTLY
CLOUDY(30-35%) UNTIL 1200, THEN MOSTLY
CLOUDY(50-60%). SLIGHT CHANCE OF THUNDERSTORMS
AFTER 1200 UNTIL 1300, THEN CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....75-85.
24 HR TREND......2-4 DEGREES COOLER.
MIN HUMIDITY........27-33%.
24 HR TREND......10-15% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 4-8 MPH UNTIL 1200, THEN NORTH
4-9 MPH WITH GUSTS TO AROUND 20 MPH.
RIDGES/UPR SLOPES....WEST WINDS 4-8 MPH UNTIL 1200, THEN NORTH
4-13 MPH WITH GUSTS TO AROUND 20 MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....NORTHWEST 25-35 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800. 6500-7500 FT AGL
AFTER 1100.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH UNTIL 1700, THEN AROUND 10
MPH.
SMOKE DISPERSAL.....POOR UNTIL 1000, THEN GOOD UNTIL 1200, THEN
VERY GOOD UNTIL 1500, THEN FAIR.
WEDNESDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS.
LOWS IN THE MID 50S. SOUTHWEST WINDS 4-9 MPH.
THURSDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS
IN THE MID 80S. NORTHWEST WINDS 4-8 MPH.
FRIDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN THE
UPPER 50S. HIGHS IN THE MID 80S. SOUTHWEST WINDS 4-9 MPH.
SATURDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN THE
UPPER 50S. HIGHS IN THE MID 80S. SOUTHWEST WINDS 4-9 MPH.
COZ211-182230-
JACKSON COUNTY BELOW 9000 FEET-
INCLUDING GOULD, NORTH PARK, RAND, SPICER, AND WALDEN
247 AM MDT TUE AUG 18 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY(50-60%) UNTIL 0900, THEN MOSTLY
CLOUDY(60-65%). SLIGHT CHANCE OF THUNDERSTORMS
AFTER 1200 UNTIL 1500, THEN CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....76-80.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........23-27%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 4-8 MPH WITH GUSTS TO AROUND 20
MPH UNTIL 1200, THEN NORTHWEST 12-17 MPH WITH
GUSTS TO AROUND 30 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 7500-8500 FT
AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0700, THEN SOUTH AROUND 10
MPH UNTIL 0800, THEN LIGHT UNTIL 0900, THEN
WEST 10-15 MPH UNTIL 1200, THEN AROUND 20 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1000, THEN GOOD UNTIL 1200, THEN
VERY GOOD UNTIL 1700, THEN GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400, THEN PARTLY
CLOUDY(35-45%). SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100. CHANCE OF RAIN SHOWERS UNTIL 0300,
THEN SLIGHT CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....37-47.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........87-97%.
24 HR TREND......25-35% WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 5-12 MPH WITH GUSTS TO AROUND
25 MPH UNTIL 2400, THEN SOUTH 4-8 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......2000-3000 FT AGL UNTIL 2100, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....WEST 10-15 MPH UNTIL 2200, THEN SOUTHWEST UNTIL
2400, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%). SLIGHT CHANCE OF
THUNDERSTORMS AFTER 1200 UNTIL 1500.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....74-80.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........22-28%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......SOUTHWEST WINDS 4-8 MPH WITH GUSTS TO AROUND 20
MPH UNTIL 1200, THEN NORTHWEST 12-17 MPH WITH
GUSTS TO AROUND 30 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 25-35 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800. 10500-11500 FT
AGL AFTER 1000.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0900, THEN WEST 10-15 MPH
UNTIL 1100, THEN AROUND 20 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1000. EXCELLENT AFTER 1500.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. SOUTH
WINDS 4-7 MPH.
THURSDAY
MOSTLY CLEAR. HIGHS IN THE LOWER 80S. NORTHWEST WINDS
4-9 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE LOWER
80S. SOUTHEAST WINDS 4-8 MPH.
SATURDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN THE
UPPER 40S. HIGHS AROUND 80. SOUTH WINDS 4-9 MPH.
COZ213-182230-
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
247 AM MDT TUE AUG 18 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 1200, THEN MOSTLY
CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER
1200.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....75-83.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........20-26%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......WEST WINDS 6-14 MPH WITH GUSTS TO AROUND 25
MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900. 8500-9500 FT AGL
AFTER 1100.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1000, THEN WEST 10-15 MPH
UNTIL 1200, THEN 15-20 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN VERY GOOD UNTIL 1200,
THEN EXCELLENT UNTIL 1600, THEN VERY GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400, THEN PARTLY
CLOUDY(35-45%). SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2400. CHANCE OF RAIN SHOWERS AFTER 2400.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....43-51.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........79-89%.
24 HR TREND......25-35% WETTER.
20-FOOT WINDS.......WEST WINDS 4-8 MPH WITH GUSTS TO AROUND 20 MPH
UNTIL 2400, THEN SOUTHEAST 4-6 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......2500-3500 FT AGL UNTIL 2100, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH UNTIL 2100, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%). SLIGHT CHANCE OF
THUNDERSTORMS AFTER 1200 UNTIL 1500.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....74-82.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........21-29%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......SOUTHWEST WINDS 4-6 MPH UNTIL 1200, THEN WEST
9-16 MPH WITH GUSTS TO AROUND 30 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 25-35 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800. 10000-11000 FT
AGL AFTER 1100.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1000, THEN WEST 10-15 MPH
UNTIL 1200, THEN AROUND 20 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1100. EXCELLENT AFTER 1200.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. SOUTH WINDS
4-6 MPH.
THURSDAY
MOSTLY CLEAR. HIGHS IN THE LOWER 80S. NORTHWEST WINDS
4-8 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 80S. EAST WINDS 4-7 MPH.
SATURDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN THE
UPPER 40S. HIGHS IN THE LOWER 80S. SOUTH WINDS 4-7 MPH.
COZ214-182230-
CENTRAL AND SOUTHEAST PARK COUNTY-
INCLUDING ELEVEN MILE CANYON RESERVOIR, FAIRPLAY, GUFFEY,
HARTSEL, LAKE GEORGE, AND SOUTH PARK
247 AM MDT TUE AUG 18 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 1200, THEN MOSTLY
CLOUDY(50-60%). SLIGHT CHANCE OF THUNDERSTORMS
AFTER 1500.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....75-83.
24 HR TREND......2-4 DEGREES WARMER.
MIN HUMIDITY........16-20%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 5-13 MPH WITH GUSTS TO AROUND
20 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5-13 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, THEN 10000-11000
FT AGL.
TRANSPORT WINDS.....WEST AROUND 10 MPH UNTIL 0800, THEN LIGHT UNTIL
0900, THEN WEST 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1000, THEN GOOD UNTIL 1100, THEN
VERY GOOD UNTIL 1700, THEN GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY(60-65%) UNTIL 2400, THEN PARTLY
CLOUDY. CHANCE OF THUNDERSTORMS UNTIL 2100,
THEN CHANCE OF RAIN SHOWERS UNTIL 2400.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....44-52.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........72-82%.
24 HR TREND......10-15% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTH WINDS 5-12 MPH WITH GUSTS TO AROUND
20 MPH UNTIL 2400, THEN WEST 4-8 MPH.
RIDGES/UPR SLOPES....NORTH WINDS 5-12 MPH WITH GUSTS TO AROUND
20 MPH UNTIL 2400, THEN WEST 4-8 MPH.
CWR.................10 PERCENT DECREASING TO 0 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......9000 FT AGL UNTIL 1900. BELOW 1000 FT AGL AFTER
2400.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH UNTIL 2000, THEN NORTHEAST
UNTIL 2300, THEN LIGHT UNTIL 0400, THEN WEST
AROUND 10 MPH UNTIL 0500, THEN LIGHT.
SMOKE DISPERSAL.....FAIR UNTIL 2000, THEN POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY UNTIL 0900, THEN PARTLY CLOUDY
UNTIL 1200, THEN MOSTLY CLOUDY(50-60%). SLIGHT
CHANCE OF THUNDERSTORMS AFTER 1200 UNTIL 1300,
THEN CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....74-80.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........23-29%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5-13 MPH. GUSTS UP TO 25
MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5-13 MPH WITH GUSTS TO
AROUND 25 MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....NORTHWEST 20-30 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800. 8500-9500 FT AGL
AFTER 1000.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0700. NORTHWEST 15-20 MPH
AFTER 1100.
SMOKE DISPERSAL.....POOR UNTIL 1000, THEN GOOD UNTIL 1100, THEN
VERY GOOD UNTIL 1600, THEN GOOD.
WEDNESDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS.
LOWS IN THE UPPER 40S. NORTHWEST WINDS 4-7 MPH.
THURSDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. HIGHS IN THE
UPPER 70S. NORTH WINDS 4-8 MPH.
FRIDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN THE
UPPER 40S. HIGHS IN THE UPPER 70S. NORTHWEST WINDS 4-8 MPH.
SATURDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN THE
UPPER 40S. HIGHS IN THE UPPER 70S. WEST WINDS 4-8 MPH.
COZ218-182230-
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
247 AM MDT TUE AUG 18 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 1200, THEN MOSTLY
CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER
1200 UNTIL 1500, THEN CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....64-74.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........24-32%.
24 HR TREND......4-7% 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. 7000-8000 FT AGL
AFTER 1000.
TRANSPORT WINDS.....SOUTHWEST 10-15 MPH UNTIL 1100, THEN WEST 15-20
MPH.
SMOKE DISPERSAL.....POOR UNTIL 1000, THEN GOOD UNTIL 1200, THEN
VERY GOOD UNTIL 1600, THEN GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400, THEN PARTLY
CLOUDY(35-45%). SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100. CHANCE OF RAIN SHOWERS UNTIL 0300.
SLIGHT CHANCE OF RAIN SHOWERS AFTER 0300.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....41-51.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........72-82%.
24 HR TREND......15-20% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 4-12 MPH. GUSTS UP TO 20
MPH IN THE EVENING.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 4-12 MPH. GUSTS UP TO 20
MPH IN THE EVENING.
CWR.................20 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 2200, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....WEST 10-15 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY UNTIL 0900, THEN PARTLY
CLOUDY(35-45%). SLIGHT CHANCE OF THUNDERSTORMS
AFTER 1200 UNTIL 1600.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....63-73.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........25-35%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 6-14 MPH WITH GUSTS TO AROUND
25 MPH.
RIDGES/UPR SLOPES....WEST WINDS 7-15 MPH WITH GUSTS TO AROUND
25 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 25-35 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 9500-10500
FT AGL.
TRANSPORT WINDS.....WEST 10-15 MPH UNTIL 1100, THEN NORTHWEST
AROUND 20 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1000. EXCELLENT AFTER 1100.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. WEST WINDS
4-7 MPH.
THURSDAY
MOSTLY CLEAR. HIGHS IN THE LOWER 70S. WEST WINDS
4-9 MPH.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 40S. HIGHS IN THE MID 70S. SOUTH WINDS 4-8 MPH.
SATURDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN THE
UPPER 40S. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS 4-8 MPH.
COZ212-182230-
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
247 AM MDT TUE AUG 18 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 1200, THEN MOSTLY
CLOUDY(60-65%). SLIGHT CHANCE OF THUNDERSTORMS
AFTER 1200.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....65-75.
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
30 MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 8500-9500 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.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400, THEN PARTLY
CLOUDY(35-45%). CHANCE OF THUNDERSTORMS UNTIL
2100. SLIGHT CHANCE OF RAIN SHOWERS AFTER 2100
UNTIL 2400.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....41-51.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........65-75%.
24 HR TREND......20-25% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 4-9 MPH. GUSTS UP TO 20 MPH IN
THE EVENING.
RIDGES/UPR SLOPES....WEST 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....WEST 20-30 MPH.
MIXING HEIGHT.......5000-6000 FT AGL UNTIL 2000. BELOW 1000 FT AGL
AFTER 2200.
TRANSPORT WINDS.....WEST 10-15 MPH.
SMOKE DISPERSAL.....FAIR UNTIL 2000, THEN POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY UNTIL 0900, THEN PARTLY
CLOUDY(30-40%) UNTIL 1200, THEN MOSTLY
CLOUDY(50-60%). CHANCE OF THUNDERSTORMS AFTER
1200.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....62-72.
24 HR TREND......4-7 DEGREES COOLER.
MIN HUMIDITY........27-37%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHWEST WINDS 7-15 MPH WITH GUSTS TO
AROUND 30 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 9-17 MPH WITH GUSTS TO
AROUND 30 MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....NORTHWEST 25-35 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 8500-9500 FT
AGL.
TRANSPORT WINDS.....WEST 10-15 MPH UNTIL 1100, THEN NORTHWEST 15-20
MPH.
SMOKE DISPERSAL.....POOR UNTIL 1000, THEN VERY GOOD.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS
4-9 MPH.
THURSDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS
IN THE LOWER 70S. WEST WINDS 4-9 MPH.
FRIDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN THE
UPPER 40S. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS 4-9 MPH.
SATURDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN THE
UPPER 40S. HIGHS AROUND 70. SOUTHWEST WINDS 4-8 MPH.
COZ217-182230-
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
INCLUDING EAST SLOPES PARK AND NORTHERN GORE RANGES, GORE PASS,
AND RABBIT EARS PASS
247 AM MDT TUE AUG 18 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 1200, THEN MOSTLY
CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER
1200 UNTIL 1500, THEN CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....67-77.
24 HR TREND......2-4 DEGREES COOLER.
MIN HUMIDITY........24-32%.
24 HR TREND......4-7% WETTER.
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 INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 7500-8500 FT
AGL.
TRANSPORT WINDS.....WEST 10-15 MPH UNTIL 1200, THEN AROUND 20 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1000, THEN GOOD UNTIL 1200, THEN
VERY GOOD UNTIL 1700, THEN GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400, THEN PARTLY
CLOUDY(40-50%). SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100. CHANCE OF RAIN SHOWERS UNTIL 0300,
THEN SLIGHT CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....43-51.
24 HR TREND......4-7 DEGREES COOLER.
MAX HUMIDITY........73-83%.
24 HR TREND......25-35% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5-13 MPH. GUSTS UP TO 25
MPH IN THE EVENING.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 5-13 MPH. GUSTS UP TO 25
MPH IN THE EVENING.
CWR.................10 PERCENT.
15K FT MSL WINDS....WEST 30-40 MPH.
MIXING HEIGHT.......2000-3000 FT AGL UNTIL 2100, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....WEST 15-20 MPH UNTIL 2000. LIGHT AFTER 0300.
SMOKE DISPERSAL.....FAIR UNTIL 2000, THEN POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY UNTIL 0900, THEN MOSTLY SUNNY
UNTIL 1200, THEN PARTLY CLOUDY(35-45%).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....66-76.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........22-32%.
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 8-16 MPH WITH GUSTS TO AROUND
30 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 25-35 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 9500-10500
FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0900. WEST AROUND 20 MPH
AFTER 1100.
SMOKE DISPERSAL.....POOR UNTIL 1000. EXCELLENT AFTER 1100.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS 4-8 MPH.
THURSDAY
MOSTLY CLEAR. HIGHS IN THE MID 70S. NORTHWEST WINDS
5-12 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 70S. SOUTH WINDS 4-8 MPH.
SATURDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS AROUND
50. HIGHS IN THE MID 70S. SOUTHWEST WINDS 5-12 MPH.
OUTLOOK 6 TO 10 DAYS
TEMPERATURES ABOVE NORMAL AND PRECIPITATION NEAR NORMAL.
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