533
FNUS55 KBOU 181940
FWFBOU
FIRE WEATHER FORECAST FOR NORTHEAST AND NORTH CENTRAL COLORADO
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
140 PM MDT MON MAY 18 2026
DISCUSSION...REST OF TODAY THROUGH TUESDAY
RAIN AND MOUNTAIN/FOOTHILL SNOW WILL GRADUALLY DISSIPATE THIS
EVENING AS THE MOST RECENT STORM SYSTEM PUSHES OFF TO THE EAST
AND WEAKENS. COOL AND MOIST CONDITIONS WILL PERSIST THROUGH
TUESDAY, WITH ANOTHER ROUND OF LATE DAY SHOWERS IN/NEAR MOUNTAINS
AND HIGHER TERRAIN.
LONG TERM DISCUSSION...TUESDAY NIGHT THROUGH SATURDAY...
AN ACTIVE AND COOLER WEATHER PATTERN WILL PERSIST THROUGH
THURSDAY WITH CONTINUED SCATTERED TO NUMEROUS SHOWERS AND A FEW
STORMS EACH AFTERNOON AND EVENING, AND HIGHER HUMIDITY LEVELS.
SOME WARMING AND DRYING IS EXPECTED BY THIS WEEKEND BUT FIRE
WEATHER CONDITIONS WILL REMAIN LIMITED BY RECENT PRECIPITATION,
LIGHTER WINDS, AND HUMIDITY READINGS HOLDING ABOVE 20%.
...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
140 PM MDT MON MAY 18 2026
REST OF TODAY
SKY/WEATHER.........CLOUDY. RAIN SHOWERS AND SNOW SHOWERS UNTIL
1500. SLIGHT CHANCE OF THUNDERSTORMS. RAIN
SHOWERS LIKELY AND SLIGHT CHANCE OF SNOW
SHOWERS AFTER 1500.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....37-43.
24 HR TREND......20-25 DEGREES COOLER.
MIN HUMIDITY........79-89%.
24 HR TREND......35-50% WETTER.
20-FOOT WINDS.......NORTHEAST WINDS 12-21 MPH WITH GUSTS TO AROUND
30 MPH.
CWR.................60 PERCENT.
15K FT MSL WINDS....SOUTHWEST 35-45 MPH.
MIXING HEIGHT.......2000-3000 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 20 MPH.
SMOKE DISPERSAL.....POOR.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS UNTIL
2100. SLIGHT CHANCE OF SNOW SHOWERS UNTIL 0300.
SLIGHT CHANCE OF RAIN SHOWERS AFTER 2100 UNTIL
2400.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....26-32.
24 HR TREND......4-7 DEGREES COOLER.
MAX HUMIDITY........94-98%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......NORTH WINDS 7-15 MPH. GUSTS UP TO 30 MPH
DECREASING TO 20 MPH AFTER MIDNIGHT.
CWR.................10 PERCENT DECREASING TO 0 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 30-40 MPH.
MIXING HEIGHT.......2000-3000 FT AGL.
TRANSPORT WINDS.....NORTH 15-20 MPH UNTIL 0100. LIGHT AFTER 0500.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY(60-65%) UNTIL 0900, THEN PARTLY
CLOUDY(50-60%) UNTIL 1200, THEN MOSTLY CLOUDY.
SLIGHT CHANCE OF RAIN SHOWERS AFTER 1200 UNTIL
1500, THEN CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....48-54.
24 HR TREND......10-15 DEGREES WARMER.
MIN HUMIDITY........43-53%.
24 HR TREND......25-35% DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS 4-7 MPH UNTIL 1200, THEN SOUTH
4-9 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......5000-6000 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS.
SMOKE DISPERSAL.....POOR.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....34-38.
24 HR TREND......7-10 DEGREES WARMER.
MAX HUMIDITY........100%.
24 HR TREND......2-4% WETTER.
20-FOOT WINDS.......SOUTH WINDS 4-8 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTHWEST 25-35 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1900, THEN 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...40 PERCENT.
MAX TEMPERATURE.....56-60.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........47-55%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......SOUTHEAST WINDS 5-13 MPH WITH GUSTS TO AROUND
20 MPH.
CWR.................0 PERCENT INCREASING TO 20 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 30-40 MPH.
MIXING HEIGHT.......5000-6000 FT AGL.
TRANSPORT WINDS.....SOUTH 10-15 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 30S. SOUTHEAST
WINDS 4-9 MPH.
THURSDAY
RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS.
HIGHS IN THE MID 60S. EAST WINDS 5-12 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS AROUND 40.
HIGHS IN THE MID 60S. NORTH WINDS 5-12 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS
AROUND 40. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS 4-7 MPH.
COZ239-182230-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
INCLUDING ARVADA, BOULDER, GOLDEN, LAKEWOOD, AND LONGMONT
140 PM MDT MON MAY 18 2026
REST OF TODAY
SKY/WEATHER.........CLOUDY. CHANCE OF THUNDERSTORMS UNTIL 1500.
RAIN SHOWERS. SLIGHT CHANCE OF THUNDERSTORMS
AND SNOW SHOWERS AFTER 1500.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....41-45.
24 HR TREND......20-25 DEGREES COOLER.
MIN HUMIDITY........74-84%.
24 HR TREND......25-35% WETTER.
20-FOOT WINDS.......NORTH WINDS 9-16 MPH WITH GUSTS TO AROUND 25
MPH.
CWR.................80 PERCENT.
15K FT MSL WINDS....SOUTHWEST 30-40 MPH.
MIXING HEIGHT.......2000-2500 FT AGL.
TRANSPORT WINDS.....NORTH 15-20 MPH.
SMOKE DISPERSAL.....POOR.
TONIGHT
SKY/WEATHER.........CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT CHANCE
OF SNOW SHOWERS UNTIL 2400, THEN CHANCE OF RAIN
AND SNOW SHOWERS. PATCHY FOG AFTER 2400.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....31-35.
24 HR TREND......4-7 DEGREES COOLER.
MAX HUMIDITY........97-99%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTH WINDS 4-12 MPH. GUSTS UP TO 20 MPH IN THE
EVENING.
CWR.................20 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 30-40 MPH.
MIXING HEIGHT.......2000-2500 FT AGL.
TRANSPORT WINDS.....NORTH 10-15 MPH UNTIL 0100, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY. PATCHY FOG UNTIL 0900. RAIN
SHOWERS LIKELY, SLIGHT CHANCE OF THUNDERSTORMS
AND SNOW SHOWERS AFTER 1200.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....47-51.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........57-67%.
24 HR TREND......15-20% DRIER.
20-FOOT WINDS.......SOUTHEAST WINDS 4-7 MPH UNTIL 1200, THEN
NORTHEAST 4-8 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.....LIGHT WINDS UNTIL 1700, THEN NORTHEAST AROUND
10 MPH.
SMOKE DISPERSAL.....POOR.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY UNTIL 2100,
THEN CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....36-40.
24 HR TREND......2-4 DEGREES WARMER.
MAX HUMIDITY........96-99%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTHWEST WINDS 4-7 MPH UNTIL 2400, THEN SOUTH
4-5 MPH.
CWR.................30 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 25-35 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH UNTIL 2000, THEN LIGHT
UNTIL 0300, THEN SOUTH AROUND 10 MPH UNTIL
0400, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
UNTIL 1200, THEN RAIN SHOWERS AND CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....56-60.
24 HR TREND......7-10 DEGREES WARMER.
MIN HUMIDITY........57-65%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......EAST WINDS 4-8 MPH.
CWR.................10 PERCENT INCREASING TO 30 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......4000-5000 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH UNTIL 0700, THEN LIGHT
UNTIL 1300, THEN NORTH AROUND 10 MPH UNTIL
1700, THEN NORTHWEST.
SMOKE DISPERSAL.....POOR.
WEDNESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 30S. WEST WINDS
4-7 MPH.
THURSDAY
RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS.
HIGHS IN THE MID 60S. NORTHEAST WINDS 4-6 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN THE
LOWER 40S. HIGHS IN THE MID 60S. NORTH WINDS 4-6 MPH.
SATURDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN THE
LOWER 40S. HIGHS IN THE LOWER 70S. SOUTHEAST WINDS 4-6 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
140 PM MDT MON MAY 18 2026
REST OF TODAY
SKY/WEATHER.........CLOUDY. CHANCE OF THUNDERSTORMS UNTIL 1500.
RAIN SHOWERS. SLIGHT CHANCE OF THUNDERSTORMS
AND SNOW SHOWERS AFTER 1500.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....42-46.
24 HR TREND......20-25 DEGREES COOLER.
MIN HUMIDITY........73-83%.
24 HR TREND......35-50% WETTER.
20-FOOT WINDS.......NORTH WINDS 12-18 MPH WITH GUSTS TO AROUND 25
MPH.
CWR.................80 PERCENT.
15K FT MSL WINDS....SOUTHWEST 35-45 MPH.
MIXING HEIGHT.......2000-2500 FT AGL.
TRANSPORT WINDS.....NORTH 15-20 MPH.
SMOKE DISPERSAL.....POOR.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW SHOWERS
UNTIL 2400, THEN SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS. PATCHY FOG AFTER 2400.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....31-35.
24 HR TREND......4-7 DEGREES COOLER.
MAX HUMIDITY........96-99%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......NORTH WINDS 6-14 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTHWEST 30-40 MPH.
MIXING HEIGHT.......2000-2500 FT AGL.
TRANSPORT WINDS.....NORTH 10-15 MPH UNTIL 0400, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY. PATCHY FOG UNTIL 0900. SLIGHT
CHANCE OF RAIN SHOWERS AFTER 1200 UNTIL 1500,
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....49-53.
24 HR TREND......7-10 DEGREES WARMER.
MIN HUMIDITY........49-57%.
24 HR TREND......20-25% DRIER.
20-FOOT WINDS.......EAST WINDS 4-9 MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST 30-40 MPH.
MIXING HEIGHT.......4500-5500 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1300, THEN SOUTHEAST AROUND
10 MPH UNTIL 1500, THEN NORTHEAST.
SMOKE DISPERSAL.....POOR.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY UNTIL 2400,
THEN CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....36-40.
24 HR TREND......2-4 DEGREES WARMER.
MAX HUMIDITY........90-98%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......NORTH WINDS 4-8 MPH UNTIL 2400, THEN SOUTH 4-7
MPH.
CWR.................30 PERCENT DECREASING TO 20 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 30-40 MPH.
MIXING HEIGHT.......2000-3000 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 10 MPH UNTIL 2100, THEN LIGHT
UNTIL 0200, THEN SOUTH AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
UNTIL 1200, THEN RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....57-61.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........57-63%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......SOUTHEAST WINDS 5-13 MPH WITH GUSTS TO AROUND
25 MPH.
CWR.................10 PERCENT INCREASING TO 40 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......3500-4500 FT AGL.
TRANSPORT WINDS.....SOUTH 10-15 MPH UNTIL 1400, THEN WEST.
SMOKE DISPERSAL.....POOR.
WEDNESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS AROUND 40. SOUTH WINDS
4-8 MPH.
THURSDAY
RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS.
HIGHS IN THE MID 60S. NORTHEAST WINDS 4-7 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN THE
LOWER 40S. HIGHS IN THE MID 60S. NORTHEAST WINDS 4-8 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS
IN THE LOWER 40S. HIGHS IN THE LOWER 70S. SOUTHEAST WINDS
4-8 MPH.
COZ241-182230-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING CASTLE ROCK, ELBERT, FONDIS, KIOWA, AND LARKSPUR
140 PM MDT MON MAY 18 2026
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS AND
SLIGHT CHANCE OF SNOW SHOWERS UNTIL 1500. RAIN
SHOWERS. SNOW SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS AFTER 1500.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....42-48.
24 HR TREND......15-20 DEGREES COOLER.
MIN HUMIDITY........78-88%.
24 HR TREND......35-50% WETTER.
20-FOOT WINDS.......NORTH WINDS 12-18 MPH WITH GUSTS TO AROUND 30
MPH.
CWR.................70 PERCENT.
15K FT MSL WINDS....SOUTHWEST 45-55 MPH.
MIXING HEIGHT.......2500-3500 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 20 MPH UNTIL 1400, THEN WEST UNTIL
1600, THEN NORTH.
SMOKE DISPERSAL.....FAIR.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. PATCHY FOG. CHANCE OF RAIN
SHOWERS UNTIL 2400. CHANCE OF SNOW SHOWERS
UNTIL 0300. SLIGHT CHANCE OF SNOW SHOWERS AFTER
0300.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....28-32.
24 HR TREND......7-10 DEGREES COOLER.
MAX HUMIDITY........100%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTH WINDS 8-16 MPH WITH GUSTS TO AROUND 30
MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTHWEST 40-50 MPH.
MIXING HEIGHT.......2000-2500 FT AGL.
TRANSPORT WINDS.....NORTH 15-20 MPH UNTIL 0400, THEN AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY(60-65%). PATCHY FOG UNTIL 0900.
SLIGHT CHANCE OF SNOW SHOWERS. CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
AFTER 1200.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....48-54.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........47-57%.
24 HR TREND......25-35% DRIER.
20-FOOT WINDS.......EAST WINDS 5-13 MPH. GUSTS UP TO 20 MPH IN THE
AFTERNOON.
CWR.................0 PERCENT.
15K FT MSL WINDS....SOUTHWEST 35-45 MPH.
MIXING HEIGHT.......5000-6000 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 10 MPH UNTIL 0800, THEN LIGHT
UNTIL 1200, THEN SOUTHEAST 10-15 MPH.
SMOKE DISPERSAL.....POOR.
TUESDAY NIGHT
SKY/WEATHER.........CLOUDY. RAIN SHOWERS LIKELY. SLIGHT CHANCE OF
SNOW SHOWERS AFTER 0300.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....33-37.
24 HR TREND......4-7 DEGREES WARMER.
MAX HUMIDITY........96-99%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......EAST WINDS 5-12 MPH UNTIL 2400, THEN SOUTHEAST
6-13 MPH WITH GUSTS TO AROUND 25 MPH.
CWR.................30 PERCENT.
15K FT MSL WINDS....SOUTHWEST 40-50 MPH.
MIXING HEIGHT.......2000-3000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 10-15 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS
UNTIL 0900. CHANCE OF RAIN SHOWERS UNTIL 1200,
THEN RAIN SHOWERS AND CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....53-59.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........63-73%.
24 HR TREND......7-10% WETTER.
20-FOOT WINDS.......SOUTH WINDS 11-19 MPH WITH GUSTS TO AROUND 35
MPH.
CWR.................10 PERCENT INCREASING TO 50 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST 35-45 MPH.
MIXING HEIGHT.......3000-4000 FT AGL.
TRANSPORT WINDS.....SOUTH 15-20 MPH UNTIL 1700, THEN SOUTHEAST
AROUND 10 MPH.
SMOKE DISPERSAL.....FAIR.
WEDNESDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS AND CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 30S. SOUTH WINDS 4-9 MPH.
THURSDAY
RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS.
HIGHS IN THE LOWER 60S. SOUTH WINDS 4-8 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN THE
UPPER 30S. HIGHS IN THE LOWER 60S. NORTH WINDS 4-9 MPH.
SATURDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS AROUND
40. HIGHS IN THE UPPER 60S. SOUTH WINDS 4-8 MPH.
COZ242-182230-
NORTHEAST WELD COUNTY-
INCLUDING BRIGGSDALE, EAST PAWNEE GRASSLANDS, GROVER,
PAWNEE BUTTES, RAYMER, AND STONEHAM
140 PM MDT MON MAY 18 2026
REST OF TODAY
SKY/WEATHER.........CLOUDY. RAIN SHOWERS. SLIGHT CHANCE OF
THUNDERSTORMS AND SNOW SHOWERS AFTER 1500.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....41-45.
24 HR TREND......20-25 DEGREES COOLER.
MIN HUMIDITY........78-86%.
24 HR TREND......35-50% WETTER.
20-FOOT WINDS.......NORTHEAST WINDS 16-22 MPH WITH GUSTS TO AROUND
30 MPH.
CWR.................60 PERCENT.
15K FT MSL WINDS....SOUTHWEST 35-45 MPH.
MIXING HEIGHT.......2500 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 20 MPH.
SMOKE DISPERSAL.....FAIR.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....28-32.
24 HR TREND......7-10 DEGREES COOLER.
MAX HUMIDITY........94-98%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......NORTH WINDS 9-17 MPH. GUSTS UP TO 30 MPH
DECREASING TO 20 MPH AFTER MIDNIGHT.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 30-40 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTH 15-20 MPH UNTIL 0300, THEN AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 1500, THEN MOSTLY
CLOUDY(60-65%).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....53-57.
24 HR TREND......10-15 DEGREES WARMER.
MIN HUMIDITY........32-38%.
24 HR TREND......35-50% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 4-8 MPH UNTIL 1200, THEN EAST
4-7 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......6000-7000 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH UNTIL 1000, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
UNTIL 2400, THEN CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....35-39.
24 HR TREND......4-7 DEGREES WARMER.
MAX HUMIDITY........94-98%.
24 HR TREND......2-4% WETTER.
20-FOOT WINDS.......SOUTH WINDS 4-12 MPH. GUSTS UP TO 20 MPH AFTER
MIDNIGHT.
CWR.................0 PERCENT INCREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 25-35 MPH.
MIXING HEIGHT.......2000-3000 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 2100, THEN SOUTH 10-15 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY(60-65%). SLIGHT CHANCE OF RAIN
SHOWERS UNTIL 1200, THEN CHANCE OF RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS UNTIL 1500,
THEN CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....57-61.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........47-51%.
24 HR TREND......10-15% WETTER.
20-FOOT WINDS.......SOUTH WINDS 10-18 MPH WITH GUSTS TO AROUND 30
MPH.
CWR.................10 PERCENT INCREASING TO 20 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......4000-5000 FT AGL.
TRANSPORT WINDS.....SOUTH 15-20 MPH.
SMOKE DISPERSAL.....FAIR UNTIL 1100, THEN GOOD.
WEDNESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 30S. SOUTHEAST
WINDS 7-14 MPH.
THURSDAY
RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS.
HIGHS IN THE MID 60S. SOUTHEAST WINDS 6-13 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS AROUND 40. HIGHS IN THE MID 60S. NORTH
WINDS 6-13 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS
AROUND 40. HIGHS IN THE MID 70S. SOUTHWEST WINDS 4-8 MPH.
COZ243-182230-
CENTRAL AND SOUTH WELD COUNTY-
INCLUDING EATON, FORT LUPTON, GREELEY, AND ROGGEN
140 PM MDT MON MAY 18 2026
REST OF TODAY
SKY/WEATHER.........CLOUDY. RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....42-46.
24 HR TREND......20-25 DEGREES COOLER.
MIN HUMIDITY........77-85%.
24 HR TREND......35-50% WETTER.
20-FOOT WINDS.......NORTH WINDS 12-21 MPH WITH GUSTS TO AROUND 30
MPH.
CWR.................80 PERCENT.
15K FT MSL WINDS....SOUTHWEST 35-45 MPH.
MIXING HEIGHT.......2000-3000 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 20 MPH.
SMOKE DISPERSAL.....POOR.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS UNTIL
2100. SLIGHT CHANCE OF RAIN SHOWERS AFTER 2100
UNTIL 2400. PATCHY FOG AFTER 2400.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....30-34.
24 HR TREND......4-7 DEGREES COOLER.
MAX HUMIDITY........91-99%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......NORTH WINDS 6-14 MPH. GUSTS UP TO 30 MPH IN THE
EVENING.
CWR.................10 PERCENT DECREASING TO 0 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 30-40 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTH 10-15 MPH UNTIL 0300, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY(60-65%) UNTIL 0900, THEN PARTLY
CLOUDY(40-50%) UNTIL 1200, THEN MOSTLY
CLOUDY(60-65%). PATCHY FOG UNTIL 0900. SLIGHT
CHANCE OF RAIN SHOWERS AFTER 1500.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....52-56.
24 HR TREND......7-10 DEGREES WARMER.
MIN HUMIDITY........41-51%.
24 HR TREND......25-35% DRIER.
20-FOOT WINDS.......EAST WINDS 4-8 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....SOUTHWEST 25-35 MPH.
MIXING HEIGHT.......5500-6500 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS.
SMOKE DISPERSAL.....POOR.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY UNTIL 2100,
THEN CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....35-39.
24 HR TREND......4-7 DEGREES WARMER.
MAX HUMIDITY........98-100%.
24 HR TREND......2-4% WETTER.
20-FOOT WINDS.......WEST WINDS 4-8 MPH UNTIL 2400, THEN SOUTH 4-7
MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTHWEST 25-35 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1900, THEN NORTHWEST AROUND
10 MPH UNTIL 2300, THEN LIGHT UNTIL 0200, THEN
SOUTH AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY(60-65%). SLIGHT CHANCE OF RAIN
SHOWERS UNTIL 1200, THEN RAIN SHOWERS LIKELY
AND CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....58-62.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........49-59%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......SOUTHEAST WINDS 6-14 MPH WITH GUSTS TO AROUND
30 MPH.
CWR.................10 PERCENT INCREASING TO 20 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 30-40 MPH.
MIXING HEIGHT.......4500-5500 FT AGL.
TRANSPORT WINDS.....SOUTH 10-15 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 30S. SOUTHEAST
WINDS 4-9 MPH.
THURSDAY
RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS.
HIGHS IN THE UPPER 60S. EAST WINDS 4-9 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS AROUND 40. HIGHS IN THE UPPER 60S. NORTH
WINDS 4-9 MPH.
SATURDAY
PARTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE MID 70S.
SOUTH WINDS 4-7 MPH.
COZ244-182230-
MORGAN COUNTY-
INCLUDING BRUSH, FORT MORGAN, GOODRICH, AND WIGGINS
140 PM MDT MON MAY 18 2026
REST OF TODAY
SKY/WEATHER.........CLOUDY. RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....43-47.
24 HR TREND......20-25 DEGREES COOLER.
MIN HUMIDITY........81-89%.
24 HR TREND......MORE THAN 50% WETTER.
20-FOOT WINDS.......NORTHEAST WINDS 16-22 MPH WITH GUSTS TO AROUND
30 MPH.
CWR.................60 PERCENT.
15K FT MSL WINDS....SOUTHWEST 40-50 MPH.
MIXING HEIGHT.......2500-3000 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 20 MPH UNTIL 1600, THEN NORTH.
SMOKE DISPERSAL.....FAIR.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....30-34.
24 HR TREND......4-7 DEGREES COOLER.
MAX HUMIDITY........94-98%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......NORTH WINDS 7-15 MPH. GUSTS UP TO 30 MPH IN THE
EVENING.
CWR.................0 PERCENT.
15K FT MSL WINDS....SOUTHWEST 35-45 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTH 15-20 MPH UNTIL 0200, THEN AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 1500, THEN MOSTLY
CLOUDY(55-60%).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....54-58.
24 HR TREND......10-15 DEGREES WARMER.
MIN HUMIDITY........34-40%.
24 HR TREND......35-50% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 4-8 MPH UNTIL 1200, THEN EAST.
CWR.................0 PERCENT.
15K FT MSL WINDS....SOUTHWEST 35-45 MPH.
MIXING HEIGHT.......5500-6500 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0700, THEN NORTH AROUND 10
MPH UNTIL 0900, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
UNTIL 2400, THEN CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....36-40.
24 HR TREND......4-7 DEGREES WARMER.
MAX HUMIDITY........96-99%.
24 HR TREND......2-4% WETTER.
20-FOOT WINDS.......EAST WINDS 4-12 MPH UNTIL 2400, THEN SOUTH 5-12
MPH WITH GUSTS TO AROUND 20 MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 30-40 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 2000, THEN NORTH AROUND 10
MPH UNTIL 2200, THEN LIGHT UNTIL 2300, THEN
NORTHEAST AROUND 10 MPH UNTIL 2400, THEN SOUTH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
UNTIL 1200, THEN RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....58-62.
24 HR TREND......2-4 DEGREES WARMER.
MIN HUMIDITY........51-57%.
24 HR TREND......15-20% WETTER.
20-FOOT WINDS.......SOUTHEAST WINDS 13-22 MPH WITH GUSTS TO AROUND
35 MPH.
CWR.................10 PERCENT INCREASING TO 20 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 30-40 MPH.
MIXING HEIGHT.......4000-5000 FT AGL.
TRANSPORT WINDS.....SOUTH 15-20 MPH UNTIL 1100, THEN 20-25 MPH
UNTIL 1600, THEN AROUND 15 MPH.
SMOKE DISPERSAL.....FAIR UNTIL 1000, THEN GOOD.
WEDNESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 30S. SOUTHEAST
WINDS 6-13 MPH.
THURSDAY
RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS.
HIGHS IN THE UPPER 60S. SOUTHEAST WINDS 6-13 MPH.
FRIDAY
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS. LOWS AROUND 40. HIGHS IN THE UPPER 60S. NORTH
WINDS 6-13 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS
AROUND 40. HIGHS IN THE MID 70S. SOUTH WINDS 4-8 MPH.
COZ245-182230-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
INCLUDING BENNETT, BYERS, DEER TRAIL, AND LEADER
140 PM MDT MON MAY 18 2026
REST OF TODAY
SKY/WEATHER.........CLOUDY. RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....42-46.
24 HR TREND......25-35 DEGREES COOLER.
MIN HUMIDITY........85-93%.
24 HR TREND......MORE THAN 50% WETTER.
20-FOOT WINDS.......NORTH WINDS 14-20 MPH WITH GUSTS TO AROUND 30
MPH.
CWR.................80 PERCENT.
15K FT MSL WINDS....SOUTHWEST 40-50 MPH.
MIXING HEIGHT.......2000-2500 FT AGL.
TRANSPORT WINDS.....EAST AROUND 20 MPH UNTIL 1500, THEN NORTH.
SMOKE DISPERSAL.....POOR.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS UNTIL 2400. PATCHY FOG AFTER 2400.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....30-34.
24 HR TREND......7-10 DEGREES COOLER.
MAX HUMIDITY........100%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTH WINDS 8-16 MPH. GUSTS UP TO 30 MPH
DECREASING TO 20 MPH AFTER MIDNIGHT.
CWR.................0 PERCENT.
15K FT MSL WINDS....SOUTHWEST 35-45 MPH.
MIXING HEIGHT.......2000-2500 FT AGL.
TRANSPORT WINDS.....NORTH 15-20 MPH UNTIL 0300, THEN AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 0900, THEN PARTLY
CLOUDY(40-50%) UNTIL 1200, THEN MOSTLY
CLOUDY(50-60%). PATCHY FOG UNTIL 0900.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....52-56.
24 HR TREND......10-15 DEGREES WARMER.
MIN HUMIDITY........39-49%.
24 HR TREND......35-50% DRIER.
20-FOOT WINDS.......NORTH WINDS 4-8 MPH UNTIL 1200, THEN EAST 4-13
MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....SOUTHWEST 35-45 MPH.
MIXING HEIGHT.......5000-6000 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 10 MPH UNTIL 0700, THEN LIGHT
UNTIL 1400, THEN EAST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....35-39.
24 HR TREND......4-7 DEGREES WARMER.
MAX HUMIDITY........96-99%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTHEAST WINDS 6-10 MPH UNTIL 2400, THEN
SOUTHEAST 6-13 MPH WITH GUSTS TO AROUND 20 MPH.
CWR.................20 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 35-45 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH UNTIL 0100, THEN
SOUTHEAST.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
UNTIL 1200, THEN RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....57-61.
24 HR TREND......2-4 DEGREES WARMER.
MIN HUMIDITY........57-63%.
24 HR TREND......15-20% WETTER.
20-FOOT WINDS.......SOUTH WINDS 13-23 MPH WITH GUSTS TO AROUND 35
MPH.
CWR.................10 PERCENT INCREASING TO 40 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST 30-40 MPH.
MIXING HEIGHT.......3000-4000 FT AGL.
TRANSPORT WINDS.....SOUTH 15-20 MPH UNTIL 0900, THEN 20-25 MPH
UNTIL 1500, THEN AROUND 15 MPH.
SMOKE DISPERSAL.....FAIR UNTIL 1000, THEN GOOD UNTIL 1700, THEN
POOR.
WEDNESDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 30S. SOUTHEAST WINDS
7-13 MPH.
THURSDAY
RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS.
HIGHS IN THE MID 60S. SOUTHEAST WINDS 5-12 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN THE
LOWER 40S. HIGHS IN THE MID 60S. NORTH WINDS 6-13 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS
IN THE LOWER 40S. HIGHS IN THE LOWER 70S. SOUTH WINDS 4-9 MPH.
COZ248-182230-
LOGAN COUNTY-
INCLUDING CROOK, MERINO, STERLING, AND PEETZ
140 PM MDT MON MAY 18 2026
REST OF TODAY
SKY/WEATHER.........CLOUDY. CHANCE OF RAIN SHOWERS UNTIL 1500, THEN
RAIN SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....43-47.
24 HR TREND......25-35 DEGREES COOLER.
MIN HUMIDITY........75-83%.
24 HR TREND......35-50% WETTER.
20-FOOT WINDS.......NORTHEAST WINDS 16-22 MPH WITH GUSTS TO AROUND
35 MPH.
CWR.................30 PERCENT.
15K FT MSL WINDS....SOUTHWEST 40-50 MPH.
MIXING HEIGHT.......2500-3000 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 20 MPH.
SMOKE DISPERSAL.....FAIR.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
UNTIL 2100.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....30-34.
24 HR TREND......4-7 DEGREES COOLER.
MAX HUMIDITY........94-98%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTH WINDS 13-23 MPH WITH GUSTS TO AROUND 35
MPH UNTIL 2400, THEN NORTHWEST 5-12 MPH WITH
GUSTS TO AROUND 20 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....SOUTHWEST 35-45 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTH 15-20 MPH UNTIL 0400, THEN AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY(30-40%) UNTIL 0900, THEN MOSTLY
SUNNY UNTIL 1500, THEN PARTLY CLOUDY(35-45%).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....56-60.
24 HR TREND......10-15 DEGREES WARMER.
MIN HUMIDITY........27-33%.
24 HR TREND......35-50% DRIER.
20-FOOT WINDS.......NORTH WINDS 4-12 MPH. GUSTS UP TO 20 MPH IN THE
MORNING.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 30-40 MPH.
MIXING HEIGHT.......6500-7500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH UNTIL 1300, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY(60-65%). SLIGHT CHANCE OF RAIN
SHOWERS AFTER 2400.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....37-41.
24 HR TREND......4-7 DEGREES WARMER.
MAX HUMIDITY........86-94%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......SOUTHEAST WINDS 4-12 MPH. GUSTS UP TO 20 MPH
AFTER MIDNIGHT.
CWR.................0 PERCENT INCREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 30-40 MPH.
MIXING HEIGHT.......6500-7500 FT AGL UNTIL 2000, THEN 1500 FT AGL
UNTIL 2100, THEN BELOW 1000 FT AGL UNTIL 0100,
THEN 1500-2000 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 2100, THEN EAST AROUND 10 MPH
UNTIL 2400, THEN SOUTH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS. SLIGHT
CHANCE OF THUNDERSTORMS AFTER 1500.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....56-60.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........48-52%.
24 HR TREND......20-25% WETTER.
20-FOOT WINDS.......SOUTH WINDS 13-23 MPH WITH GUSTS TO AROUND 40
MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......3500-4500 FT AGL.
TRANSPORT WINDS.....SOUTH 15-20 MPH UNTIL 1000, THEN 20-25 MPH.
SMOKE DISPERSAL.....FAIR UNTIL 1100, THEN GOOD.
WEDNESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS. LOWS IN
THE UPPER 30S. SOUTHEAST WINDS 8-15 MPH.
THURSDAY
RAIN SHOWERS AND CHANCE OF THUNDERSTORMS. HIGHS IN
THE MID 60S. SOUTHEAST WINDS 7-14 MPH.
FRIDAY
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE MID 60S. NORTH
WINDS 6-13 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS
AROUND 40. HIGHS IN THE MID 70S. SOUTH WINDS 4-9 MPH.
COZ249-182230-
WASHINGTON COUNTY-
INCLUDING AKRON, COPE, LAST CHANCE, AND OTIS
140 PM MDT MON MAY 18 2026
REST OF TODAY
SKY/WEATHER.........CLOUDY. CHANCE OF RAIN SHOWERS UNTIL 1500, THEN
RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....43-47.
24 HR TREND......25-35 DEGREES COOLER.
MIN HUMIDITY........83-93%.
24 HR TREND......MORE THAN 50% WETTER.
20-FOOT WINDS.......NORTHEAST WINDS 16-23 MPH WITH GUSTS TO AROUND
35 MPH.
CWR.................40 PERCENT.
15K FT MSL WINDS....SOUTHWEST 50-60 MPH.
MIXING HEIGHT.......2500 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 20 MPH UNTIL 1700, THEN NORTH.
SMOKE DISPERSAL.....FAIR.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....30-34.
24 HR TREND......4-7 DEGREES COOLER.
MAX HUMIDITY........97-99%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......BREEZY. NORTH WINDS 15-25 MPH WITH GUSTS TO
AROUND 35 MPH UNTIL 2400, THEN 7-14 MPH WITH
GUSTS TO AROUND 25 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....SOUTHWEST 45-55 MPH.
MIXING HEIGHT.......2000-2500 FT AGL.
TRANSPORT WINDS.....NORTH 20-25 MPH UNTIL 0200, THEN 10-15 MPH.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY(50-60%) UNTIL 0900, THEN PARTLY
CLOUDY(35-45%) UNTIL 1500, THEN MOSTLY
CLOUDY(50-60%).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....55-59.
24 HR TREND......10-15 DEGREES WARMER.
MIN HUMIDITY........32-38%.
24 HR TREND......MORE THAN 50% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 6-13 MPH WITH GUSTS TO AROUND
20 MPH UNTIL 1200, THEN NORTHEAST 4-9 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....SOUTHWEST 35-45 MPH.
MIXING HEIGHT.......6000-7000 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 10 MPH UNTIL 1300, THEN LIGHT
UNTIL 1700, THEN NORTHEAST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AFTER
2400.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....36-40.
24 HR TREND......4-7 DEGREES WARMER.
MAX HUMIDITY........89-99%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......EAST WINDS 5-12 MPH UNTIL 2400, THEN SOUTHEAST
6-13 MPH WITH GUSTS TO AROUND 25 MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 35-45 MPH.
MIXING HEIGHT.......2000-3000 FT AGL.
TRANSPORT WINDS.....EAST 10-15 MPH UNTIL 2400, THEN SOUTHEAST.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
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.....56-60.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........52-56%.
24 HR TREND......15-20% WETTER.
20-FOOT WINDS.......SOUTHEAST WINDS 14-24 MPH WITH GUSTS TO AROUND
40 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTHWEST 30-40 MPH.
MIXING HEIGHT.......3500-4500 FT AGL.
TRANSPORT WINDS.....SOUTH 15-20 MPH UNTIL 0900, THEN 20-25 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1000, THEN GOOD.
WEDNESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 30S. SOUTHEAST
WINDS 8-15 MPH.
THURSDAY
RAIN SHOWERS AND CHANCE OF THUNDERSTORMS. HIGHS IN
THE MID 60S. SOUTHEAST WINDS 8-15 MPH.
FRIDAY
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS. LOWS AROUND 40. HIGHS IN THE MID 60S. NORTH WINDS
7-14 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS
AROUND 40. HIGHS IN THE MID 70S. SOUTH WINDS 5-12 MPH.
COZ250-182230-
SEDGWICK COUNTY-
INCLUDING JULESBURG, OVID, AND SEDGWICK
140 PM MDT MON MAY 18 2026
REST OF TODAY
SKY/WEATHER.........CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS UNTIL
1500, THEN RAIN SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....44-48.
24 HR TREND......25-35 DEGREES COOLER.
MIN HUMIDITY........73-79%.
24 HR TREND......35-50% WETTER.
20-FOOT WINDS.......NORTHEAST WINDS 16-22 MPH WITH GUSTS TO AROUND
35 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTHWEST 45-55 MPH.
MIXING HEIGHT.......3000 FT AGL.
TRANSPORT WINDS.....NORTHEAST 20-25 MPH.
SMOKE DISPERSAL.....FAIR.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
UNTIL 2100.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....31-35.
24 HR TREND......4-7 DEGREES COOLER.
MAX HUMIDITY........97-99%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTH WINDS 10-20 MPH. GUSTS UP TO 35 MPH
DECREASING TO 25 MPH AFTER MIDNIGHT.
CWR.................0 PERCENT.
15K FT MSL WINDS....SOUTHWEST 40-50 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTH 20-25 MPH UNTIL 0200, THEN AROUND 15 MPH.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY(30-40%) UNTIL 0900, THEN MOSTLY
SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....57-61.
24 HR TREND......10-15 DEGREES WARMER.
MIN HUMIDITY........25-29%.
24 HR TREND......35-50% DRIER.
20-FOOT WINDS.......NORTH WINDS 6-14 MPH. GUSTS UP TO 20 MPH IN THE
MORNING.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 35-45 MPH.
MIXING HEIGHT.......7000-8000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH UNTIL 1700, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
TUESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 2100, THEN MOSTLY
CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AFTER
2400.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....37-41.
24 HR TREND......4-7 DEGREES WARMER.
MAX HUMIDITY........84-92%.
24 HR TREND......10-15% DRIER.
20-FOOT WINDS.......EAST WINDS 5-7 MPH UNTIL 2400, THEN SOUTH 6-12
MPH WITH GUSTS TO AROUND 20 MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 30-40 MPH.
MIXING HEIGHT.......6500-7500 FT AGL UNTIL 2000, THEN BELOW 1000 FT
AGL UNTIL 0100, THEN 1000-1500 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 2100, THEN SOUTHEAST 10-15
MPH UNTIL 0200, THEN SOUTH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........CLOUDY. CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....54-58.
24 HR TREND......2-4 DEGREES COOLER.
MIN HUMIDITY........49-53%.
24 HR TREND......20-25% WETTER.
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....WEST 25-35 MPH.
MIXING HEIGHT.......3000-4000 FT AGL.
TRANSPORT WINDS.....SOUTH 15-20 MPH UNTIL 1100, THEN 20-25 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.
WEDNESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS. LOWS IN
THE UPPER 30S. SOUTHEAST WINDS 8-15 MPH.
THURSDAY
MOSTLY CLOUDY. RAIN SHOWERS AND CHANCE OF
THUNDERSTORMS. HIGHS IN THE LOWER 60S. SOUTHEAST WINDS 10-17 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS AROUND 40.
HIGHS IN THE MID 60S. NORTH WINDS 7-14 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS
AROUND 40. HIGHS IN THE MID 70S. SOUTH WINDS 6-12 MPH.
COZ251-182230-
PHILLIPS COUNTY-
INCLUDING AMHERST, HAXTUN, AND HOLYOKE
140 PM MDT MON MAY 18 2026
REST OF TODAY
SKY/WEATHER.........CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS UNTIL
1500, THEN RAIN SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....44-48.
24 HR TREND......25-35 DEGREES COOLER.
MIN HUMIDITY........73-79%.
24 HR TREND......35-50% WETTER.
20-FOOT WINDS.......NORTHEAST WINDS 16-22 MPH WITH GUSTS TO AROUND
35 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTHWEST 55-65 MPH.
MIXING HEIGHT.......2500-3000 FT AGL.
TRANSPORT WINDS.....NORTHEAST 20-25 MPH.
SMOKE DISPERSAL.....FAIR.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
UNTIL 2100.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....31-35.
24 HR TREND......4-7 DEGREES COOLER.
MAX HUMIDITY........96-99%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......NORTH WINDS 15-24 MPH WITH GUSTS TO AROUND 35
MPH UNTIL 2400, THEN NORTHWEST 8-14 MPH WITH
GUSTS TO AROUND 25 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....SOUTHWEST 45-55 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTH 20-25 MPH UNTIL 0300, THEN AROUND 15 MPH.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 0900, THEN MOSTLY
SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 60.
24 HR TREND......10-15 DEGREES WARMER.
MIN HUMIDITY........26-30%.
24 HR TREND......35-50% DRIER.
20-FOOT WINDS.......NORTH WINDS 6-14 MPH. GUSTS UP TO 20 MPH IN THE
MORNING.
CWR.................0 PERCENT.
15K FT MSL WINDS....WEST 35-45 MPH.
MIXING HEIGHT.......6500-7500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH UNTIL 1600, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
TUESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 2100, THEN MOSTLY
CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AFTER
2400.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....AROUND 39.
24 HR TREND......4-7 DEGREES WARMER.
MAX HUMIDITY........86-92%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......EAST WINDS 5-7 MPH UNTIL 2400, THEN SOUTH 6-12
MPH WITH GUSTS TO AROUND 20 MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 35-45 MPH.
MIXING HEIGHT.......6000-7000 FT AGL UNTIL 2000, THEN BELOW 1000 FT
AGL UNTIL 2400, THEN 1000-1500 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 2100, THEN EAST AROUND 10 MPH
UNTIL 2400, THEN SOUTH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........CLOUDY. RAIN SHOWERS LIKELY UNTIL 1200, THEN
CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 57.
24 HR TREND......2-4 DEGREES COOLER.
MIN HUMIDITY........49-53%.
24 HR TREND......20-25% WETTER.
20-FOOT WINDS.......SOUTHEAST WINDS 14-24 MPH WITH GUSTS TO AROUND
40 MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST 30-40 MPH.
MIXING HEIGHT.......3500-4500 FT AGL.
TRANSPORT WINDS.....SOUTH 15-20 MPH UNTIL 1000, THEN 20-25 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN GOOD.
WEDNESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS. LOWS IN
THE UPPER 30S. SOUTHEAST WINDS 8-14 MPH.
THURSDAY
MOSTLY CLOUDY. RAIN SHOWERS AND CHANCE OF
THUNDERSTORMS. HIGHS IN THE LOWER 60S. SOUTHEAST WINDS 9-16 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS AROUND 40.
HIGHS IN THE MID 60S. NORTH WINDS 7-14 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS
AROUND 40. HIGHS IN THE MID 70S. SOUTH WINDS 6-13 MPH.
COZ246-182230-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
INCLUDING AGATE, HUGO, LIMON, AND MATHESON
140 PM MDT MON MAY 18 2026
REST OF TODAY
SKY/WEATHER.........CLOUDY. CHANCE OF RAIN SHOWERS UNTIL 1500.
SLIGHT CHANCE OF THUNDERSTORMS. RAIN SHOWERS
AFTER 1500.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....44-50.
24 HR TREND......20-25 DEGREES COOLER.
MIN HUMIDITY........80-90%.
24 HR TREND......MORE THAN 50% WETTER.
20-FOOT WINDS.......NORTHEAST WINDS 14-23 MPH WITH GUSTS TO AROUND
35 MPH.
CWR.................50 PERCENT.
15K FT MSL WINDS....SOUTHWEST 50-60 MPH.
MIXING HEIGHT.......2500-3500 FT AGL.
TRANSPORT WINDS.....EAST 15-20 MPH UNTIL 1600, THEN NORTH 20-25
MPH.
SMOKE DISPERSAL.....FAIR.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
AFTER 2100 UNTIL 2400.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....28-32.
24 HR TREND......7-10 DEGREES COOLER.
MAX HUMIDITY........100%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......BREEZY. NORTH WINDS 18-28 MPH WITH GUSTS TO
AROUND 40 MPH UNTIL 2400, THEN 10-17 MPH WITH
GUSTS TO AROUND 30 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....SOUTHWEST 50-60 MPH.
MIXING HEIGHT.......2000-2500 FT AGL.
TRANSPORT WINDS.....NORTH 20-25 MPH UNTIL 0300, THEN AROUND 15 MPH.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 0900, THEN PARTLY
CLOUDY(40-50%) UNTIL 1500, THEN MOSTLY
CLOUDY(60-65%).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....53-57.
24 HR TREND......7-10 DEGREES WARMER.
MIN HUMIDITY........35-45%.
24 HR TREND......MORE THAN 50% DRIER.
20-FOOT WINDS.......NORTH WINDS 4-9 MPH UNTIL 1200, THEN EAST 5-12
MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....SOUTHWEST 40-50 MPH.
MIXING HEIGHT.......5000-6000 FT AGL.
TRANSPORT WINDS.....NORTH 10-15 MPH UNTIL 1000, THEN LIGHT UNTIL
1400, THEN SOUTHEAST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....33-37.
24 HR TREND......4-7 DEGREES WARMER.
MAX HUMIDITY........97-99%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......SOUTHEAST WINDS 6-14 MPH. GUSTS UP TO 25 MPH
AFTER MIDNIGHT.
CWR.................20 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 35-45 MPH.
MIXING HEIGHT.......2000-3000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 10-15 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS UNTIL
1200, THEN RAIN SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....55-59.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........55-63%.
24 HR TREND......15-20% WETTER.
20-FOOT WINDS.......BREEZY. SOUTH WINDS 15-25 MPH WITH GUSTS TO
AROUND 40 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTHWEST 35-45 MPH.
MIXING HEIGHT.......3000-4000 FT AGL.
TRANSPORT WINDS.....SOUTH 20-25 MPH UNTIL 1700, THEN SOUTHEAST
AROUND 15 MPH.
SMOKE DISPERSAL.....FAIR UNTIL 1200, THEN GOOD.
WEDNESDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS AND CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 30S. SOUTHEAST WINDS 6-13 MPH.
THURSDAY
RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS.
HIGHS IN THE MID 60S. SOUTHEAST WINDS 6-13 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE MID 60S.
NORTH WINDS 6-13 MPH.
SATURDAY
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE
LOWER 70S. SOUTH WINDS 4-9 MPH.
COZ247-182230-
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
INCLUDING FORDER, KARVAL, KUTCH, AND PUNKIN CENTER
140 PM MDT MON MAY 18 2026
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....51-61.
24 HR TREND......20-25 DEGREES COOLER.
MIN HUMIDITY........56-66%.
24 HR TREND......35-50% WETTER.
20-FOOT WINDS.......NORTHEAST WINDS 13-23 MPH WITH GUSTS TO AROUND
40 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTHWEST 50-60 MPH.
MIXING HEIGHT.......5000-6000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 15-20 MPH UNTIL 1600, THEN NORTHWEST
UNTIL 1700, THEN NORTH AROUND 30 MPH.
SMOKE DISPERSAL.....GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY(60-65%).
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....30-34.
24 HR TREND......4-7 DEGREES COOLER.
MAX HUMIDITY........89-99%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......WINDY. NORTH WINDS 23-32 MPH WITH GUSTS TO
AROUND 45 MPH UNTIL 2400, THEN 13-20 MPH WITH
GUSTS TO AROUND 35 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....SOUTHWEST 50-60 MPH.
MIXING HEIGHT.......2500-3000 FT AGL.
TRANSPORT WINDS.....NORTH 25-30 MPH UNTIL 0200, THEN 15-20 MPH.
SMOKE DISPERSAL.....FAIR.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY(50-60%) UNTIL 0900, THEN PARTLY
CLOUDY(35-45%).
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....56-60.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........31-35%.
24 HR TREND......35-50% DRIER.
20-FOOT WINDS.......NORTH WINDS 6-13 MPH UNTIL 1200, THEN
SOUTHEAST. GUSTS UP TO 20 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....SOUTHWEST 40-50 MPH.
MIXING HEIGHT.......5500-6500 FT AGL.
TRANSPORT WINDS.....NORTH 10-15 MPH UNTIL 1000, THEN LIGHT UNTIL
1300, THEN SOUTHEAST 10-15 MPH.
SMOKE DISPERSAL.....FAIR.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....33-39.
24 HR TREND......2-4 DEGREES WARMER.
MAX HUMIDITY........94-98%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......EAST WINDS 7-14 MPH WITH GUSTS TO AROUND 25
MPH.
CWR.................20 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 45-55 MPH.
MIXING HEIGHT.......2000-3000 FT AGL.
TRANSPORT WINDS.....EAST AROUND 15 MPH.
SMOKE DISPERSAL.....FAIR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
UNTIL 1200, THEN CHANCE OF RAIN SHOWERS. SLIGHT
CHANCE OF THUNDERSTORMS AFTER 1500.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....56-60.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........53-59%.
24 HR TREND......20-25% WETTER.
20-FOOT WINDS.......SOUTHEAST WINDS 13-23 MPH WITH GUSTS TO AROUND
35 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTHWEST 45-55 MPH.
MIXING HEIGHT.......3000-4000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 15-20 MPH UNTIL 1200, THEN 20-25 MPH.
SMOKE DISPERSAL.....FAIR.
WEDNESDAY NIGHT
CLOUDY. RAIN SHOWERS AND CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 30S. EAST WINDS 7-14 MPH.
THURSDAY
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 60S. SOUTHEAST WINDS 7-14 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 60S.
NORTH WINDS 8-15 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS
IN THE UPPER 30S. HIGHS IN THE LOWER 70S. SOUTH WINDS 4-9 MPH.
COZ215-182230-
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
INCLUDING ESTES PARK, GLENDEVEY, LARAMIE RIVER VALLEY, NEDERLAND,
AND RED FEATHER LAKES
140 PM MDT MON MAY 18 2026
REST OF TODAY
SKY/WEATHER.........CLOUDY. SNOW SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....30-36.
24 HR TREND......20-25 DEGREES COOLER.
MIN HUMIDITY........81-91%.
24 HR TREND......35-50% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHEAST WINDS 6-13 MPH WITH GUSTS TO
AROUND 20 MPH.
RIDGES/UPR SLOPES....NORTHEAST WINDS 5-12 MPH WITH GUSTS TO
AROUND 20 MPH.
CWR.................80 PERCENT.
15K FT MSL WINDS....SOUTHWEST 30-40 MPH.
MIXING HEIGHT.......2500 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 15 MPH.
SMOKE DISPERSAL.....POOR.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. PATCHY FOG. SNOW SHOWERS LIKELY
UNTIL 2100. CHANCE OF SNOW SHOWERS AFTER 2100
UNTIL 0300, THEN SLIGHT CHANCE OF SNOW SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....20-28.
24 HR TREND......4-7 DEGREES COOLER.
MAX HUMIDITY........97-99%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTH WINDS 4-7 MPH UNTIL 2400, THEN
NORTHWEST 4-6 MPH.
RIDGES/UPR SLOPES....NORTHEAST WINDS 4-7 MPH UNTIL 2400, THEN
NORTHWEST 4-6 MPH.
CWR.................30 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTH 10-15 MPH UNTIL 0100, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY. PATCHY FOG UNTIL 0900. SLIGHT
CHANCE OF SNOW SHOWERS AFTER 0900 UNTIL 1200,
THEN CHANCE OF SNOW SHOWERS, RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....35-45.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........69-79%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHEAST WINDS 4-8 MPH.
RIDGES/UPR SLOPES....SOUTHEAST WINDS 4-8 MPH.
CWR.................0 PERCENT INCREASING TO 20 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 15-25 MPH.
MIXING HEIGHT.......2500-3500 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1400, THEN SOUTHEAST AROUND
10 MPH UNTIL 1600, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS
UNTIL 2100. CHANCE OF RAIN SHOWERS. CHANCE OF
SNOW SHOWERS AFTER 2100.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....25-35.
24 HR TREND......2-4 DEGREES WARMER.
MAX HUMIDITY........90-100%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH WINDS 4-7 MPH.
RIDGES/UPR SLOPES....SOUTH WINDS 4-7 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTHWEST 25-35 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1900, THEN SOUTHEAST AROUND
10 MPH UNTIL 2000, THEN LIGHT UNTIL 2300, THEN
SOUTH AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY(60-65%) UNTIL 0900, THEN PARTLY
CLOUDY(50-60%) UNTIL 1200, THEN MOSTLY CLOUDY.
SLIGHT CHANCE OF RAIN SHOWERS UNTIL 1200.
SLIGHT CHANCE OF SNOW SHOWERS UNTIL 1500. RAIN
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS
AFTER 1200.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....45-55.
24 HR TREND......7-10 DEGREES WARMER.
MIN HUMIDITY........57-67%.
24 HR TREND......15-20% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH WINDS 4-8 MPH.
RIDGES/UPR SLOPES....SOUTH WINDS 4-7 MPH UNTIL 1200, THEN EAST.
CWR.................10 PERCENT INCREASING TO 30 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 30-40 MPH.
MIXING HEIGHT.......5000-6000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 1200, THEN WEST.
SMOKE DISPERSAL.....POOR.
WEDNESDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS.
LOWS IN THE LOWER 30S. SOUTHWEST WINDS 4-7 MPH.
THURSDAY
RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS.
HIGHS IN THE MID 50S. SOUTHWEST WINDS 4-6 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS AND SLIGHT
CHANCE OF SNOW SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE UPPER
50S. WEST WINDS 4-7 MPH.
SATURDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN THE
MID 30S. HIGHS IN THE MID 60S. WEST 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
140 PM MDT MON MAY 18 2026
REST OF TODAY
SKY/WEATHER.........CLOUDY. CHANCE OF THUNDERSTORMS UNTIL 1500.
SNOW SHOWERS AND RAIN SHOWERS. SLIGHT CHANCE OF
THUNDERSTORMS AFTER 1500.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....33-43.
24 HR TREND......20-25 DEGREES COOLER.
MIN HUMIDITY........72-82%.
24 HR TREND......25-35% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTH WINDS 7-14 MPH WITH GUSTS TO AROUND
20 MPH.
RIDGES/UPR SLOPES....NORTH WINDS 7-14 MPH WITH GUSTS TO AROUND
25 MPH.
CWR.................70 PERCENT.
15K FT MSL WINDS....SOUTHWEST 30-40 MPH.
MIXING HEIGHT.......3500-4500 FT AGL.
TRANSPORT WINDS.....NORTH 15-20 MPH UNTIL 1700, THEN AROUND 15 MPH.
SMOKE DISPERSAL.....FAIR.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. PATCHY FOG. SNOW SHOWERS AND
RAIN SHOWERS LIKELY UNTIL 2400. CHANCE OF SNOW
SHOWERS AFTER 2400.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....24-32.
24 HR TREND......7-10 DEGREES COOLER.
MAX HUMIDITY........96-99%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHEAST WINDS 4-9 MPH. GUSTS UP TO 20
MPH IN THE EVENING.
RIDGES/UPR SLOPES....NORTHEAST WINDS 4-9 MPH. GUSTS UP TO 20
MPH IN THE EVENING.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTHWEST 30-40 MPH.
MIXING HEIGHT.......1500-2000 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 10 MPH UNTIL 0200, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY. PATCHY FOG UNTIL 0900. SLIGHT
CHANCE OF SNOW SHOWERS UNTIL 1200, THEN RAIN
SHOWERS LIKELY WITH POSSIBLE SNOW SHOWERS AND
THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....37-47.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........67-77%.
24 HR TREND......2-4% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...EAST WINDS 4-12 MPH.
RIDGES/UPR SLOPES....EAST WINDS 4-12 MPH. GUSTS UP TO 20 MPH IN
THE AFTERNOON.
CWR.................0 PERCENT INCREASING TO 30 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST 30-40 MPH.
MIXING HEIGHT.......3500-4500 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1000, THEN SOUTHEAST AROUND
10 MPH UNTIL 1500, THEN EAST.
SMOKE DISPERSAL.....POOR.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100. RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF SNOW SHOWERS.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....28-38.
24 HR TREND......4-7 DEGREES WARMER.
MAX HUMIDITY........89-99%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHEAST WINDS 4-7 MPH UNTIL 2400, THEN
SOUTH 4-6 MPH.
RIDGES/UPR SLOPES....EAST WINDS 4-7 MPH UNTIL 2400, THEN SOUTH.
CWR.................40 PERCENT DECREASING TO 30 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 30-40 MPH.
MIXING HEIGHT.......1500-2000 FT AGL.
TRANSPORT WINDS.....EAST AROUND 10 MPH UNTIL 2000, THEN LIGHT UNTIL
0200, THEN SOUTH AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW SHOWERS
UNTIL 1200, THEN RAIN SHOWERS AND CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....48-58.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........62-72%.
24 HR TREND......15-20% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH WINDS 4-7 MPH UNTIL 1200, THEN EAST
4-9 MPH. GUSTS UP TO 20 MPH.
RIDGES/UPR SLOPES....SOUTH WINDS 4-8 MPH UNTIL 1200, THEN
SOUTHEAST. GUSTS UP TO 25 MPH.
CWR.................10 PERCENT INCREASING TO 70 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST 25-35 MPH.
MIXING HEIGHT.......3000-4000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 1400, THEN
NORTHEAST UNTIL 1600, THEN NORTH UNTIL 1700,
THEN NORTHWEST.
SMOKE DISPERSAL.....POOR.
WEDNESDAY NIGHT
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE MID 30S. SOUTHWEST WINDS
4-7 MPH.
THURSDAY
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS. HIGHS IN THE UPPER 50S. WEST WINDS 4-6 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN THE
UPPER 30S. HIGHS AROUND 60. NORTHWEST WINDS 4-6 MPH.
SATURDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN THE
UPPER 30S. HIGHS IN THE MID 60S. WEST WINDS 4-7 MPH.
COZ211-182230-
JACKSON COUNTY BELOW 9000 FEET-
INCLUDING GOULD, NORTH PARK, RAND, SPICER, AND WALDEN
140 PM MDT MON MAY 18 2026
REST OF TODAY
SKY/WEATHER.........CLOUDY. SNOW SHOWERS AND CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....32-36.
24 HR TREND......15-20 DEGREES COOLER.
MIN HUMIDITY........82-92%.
24 HR TREND......35-50% WETTER.
20-FOOT WINDS.......NORTHEAST WINDS 8-15 MPH.
CWR.................90 PERCENT.
15K FT MSL WINDS....SOUTHWEST 25-35 MPH.
MIXING HEIGHT.......2500-3000 FT AGL.
TRANSPORT WINDS.....EAST AROUND 15 MPH UNTIL 1600, THEN NORTH.
SMOKE DISPERSAL.....POOR.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS UNTIL
0300, THEN SLIGHT CHANCE OF SNOW SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....19-23.
24 HR TREND......10-15 DEGREES COOLER.
MAX HUMIDITY........100%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTH WINDS 4-12 MPH. GUSTS UP TO 20 MPH IN THE
EVENING.
CWR.................10 PERCENT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTH 10-15 MPH UNTIL 2400, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY(60-65%) UNTIL 0900, THEN PARTLY
CLOUDY(40-50%) UNTIL 1500, THEN MOSTLY CLOUDY.
SLIGHT CHANCE OF SNOW SHOWERS AFTER 1200 UNTIL
1500. SLIGHT CHANCE OF THUNDERSTORMS AFTER
1200. CHANCE OF RAIN AND SNOW SHOWERS AFTER
1500.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....42-46.
24 HR TREND......7-10 DEGREES WARMER.
MIN HUMIDITY........56-62%.
24 HR TREND......25-35% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 4-9 MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST 15-25 MPH.
MIXING HEIGHT.......3500-4500 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1300, THEN NORTHWEST AROUND
10 MPH.
SMOKE DISPERSAL.....POOR.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY(60-65%). SLIGHT CHANCE OF RAIN
AND SNOW SHOWERS UNTIL 2100. SLIGHT CHANCE OF
SNOW SHOWERS AFTER 2400.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....23-27.
24 HR TREND......2-4 DEGREES WARMER.
MAX HUMIDITY........91-100%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTH WINDS 4-7 MPH UNTIL 2400, THEN SOUTH 4-6
MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....SOUTHWEST 30-40 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 2300, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....NORTH AROUND 10 MPH UNTIL 2100, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY(50-60%) UNTIL 0900, THEN PARTLY
CLOUDY(30-40%) UNTIL 1200, THEN MOSTLY
CLOUDY(50-60%). CHANCE OF THUNDERSTORMS AFTER
1200 UNTIL 1500. CHANCE OF SNOW SHOWERS AFTER
1200. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS AFTER 1500.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....49-53.
24 HR TREND......7-10 DEGREES WARMER.
MIN HUMIDITY........41-45%.
24 HR TREND......10-15% DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS 4-7 MPH UNTIL 1200, THEN WEST
7-14 MPH WITH GUSTS TO AROUND 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 0700, THEN 6500-7500 FT
AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1000, THEN WEST 10-15 MPH
UNTIL 1400, THEN 15-20 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1100. VERY GOOD AFTER 1400.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 20S. SOUTH WINDS
4-7 MPH.
THURSDAY
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 50S. SOUTHWEST WINDS 5-12 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS AND SNOW
SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE MID 50S. SOUTHWEST
WINDS 4-8 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS
IN THE UPPER 20S. HIGHS IN THE LOWER 60S. SOUTHWEST 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
140 PM MDT MON MAY 18 2026
REST OF TODAY
SKY/WEATHER.........CLOUDY. SNOW SHOWERS, RAIN SHOWERS AND CHANCE
OF THUNDERSTORMS.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....38-46.
24 HR TREND......10-15 DEGREES COOLER.
MIN HUMIDITY........63-73%.
24 HR TREND......25-35% WETTER.
20-FOOT WINDS.......WEST WINDS 7-14 MPH WITH GUSTS TO AROUND 20
MPH.
CWR.................60 PERCENT.
15K FT MSL WINDS....SOUTHWEST 25-35 MPH.
MIXING HEIGHT.......4500-5500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.
SMOKE DISPERSAL.....GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
UNTIL 2100. CHANCE OF SNOW SHOWERS UNTIL 0300,
THEN SLIGHT CHANCE OF SNOW SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....24-28.
24 HR TREND......7-10 DEGREES COOLER.
MAX HUMIDITY........88-98%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTHWEST WINDS 4-9 MPH. GUSTS UP TO 20 MPH IN
THE EVENING.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTHWEST 25-35 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....WEST 15-20 MPH UNTIL 2100. LIGHT AFTER 0200.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY(50-60%) UNTIL 0900, THEN PARTLY
CLOUDY(35-45%) UNTIL 1200, THEN MOSTLY
CLOUDY(50-60%). CHANCE OF SNOW SHOWERS AFTER
1200 UNTIL 1500. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200.
SLIGHT CHANCE OF SNOW SHOWERS AFTER 1500.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....45-55.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........36-46%.
24 HR TREND......35-50% DRIER.
20-FOOT WINDS.......WEST WINDS 4-9 MPH. GUSTS UP TO 20 MPH IN THE
AFTERNOON.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST 20-30 MPH.
MIXING HEIGHT.......6500-7500 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1000, THEN SOUTHWEST 10-15
MPH UNTIL 1300, THEN WEST 15-20 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY(60-65%). CHANCE OF RAIN SHOWERS
UNTIL 2400. SLIGHT CHANCE OF SNOW SHOWERS.
SLIGHT CHANCE OF RAIN SHOWERS AFTER 2400.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....25-33.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........87-97%.
24 HR TREND......2-4% WETTER.
20-FOOT WINDS.......NORTH WINDS 4-7 MPH UNTIL 2400, THEN EAST 4-6
MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTHWEST 25-35 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 0400, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH UNTIL 2000, THEN NORTH
UNTIL 2100, THEN LIGHT UNTIL 0100, THEN EAST
AROUND 10 MPH UNTIL 0200, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY(55-60%). SLIGHT CHANCE OF RAIN
SHOWERS UNTIL 1200. SLIGHT CHANCE OF SNOW
SHOWERS UNTIL 1500. RAIN SHOWERS LIKELY AND
CHANCE OF THUNDERSTORMS AFTER 1200.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....50-58.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........39-49%.
24 HR TREND......10-15% WETTER.
20-FOOT WINDS.......WEST WINDS 4-12 MPH. GUSTS UP TO 20 MPH IN THE
AFTERNOON.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTHWEST 25-35 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700, THEN 7000-8000 FT
AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0800, THEN SOUTHWEST 10-15
MPH UNTIL 1200, THEN WEST 15-20 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN VERY GOOD.
WEDNESDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS.
LOWS IN THE UPPER 20S. NORTHEAST WINDS 4-7 MPH.
THURSDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. HIGHS IN THE
UPPER 50S. SOUTHWEST WINDS 4-8 MPH.
FRIDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AND SNOW
SHOWERS. LOWS AROUND 30. HIGHS IN THE UPPER 50S. WEST WINDS
4-7 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS
AROUND 30. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS 4-7 MPH.
COZ214-182230-
CENTRAL AND SOUTHEAST PARK COUNTY-
INCLUDING ELEVEN MILE CANYON RESERVOIR, FAIRPLAY, GUFFEY,
HARTSEL, LAKE GEORGE, AND SOUTH PARK
140 PM MDT MON MAY 18 2026
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY. SNOW SHOWERS AND CHANCE OF
THUNDERSTORMS UNTIL 1500, THEN CHANCE OF SNOW
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....42-48.
24 HR TREND......10-15 DEGREES COOLER.
MIN HUMIDITY........35-45%.
24 HR TREND......10-15% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 13-23 MPH WITH GUSTS TO
AROUND 35 MPH.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 14-24 MPH WITH GUSTS TO
AROUND 40 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTHWEST 25-35 MPH.
MIXING HEIGHT.......7500-8500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 30-35 MPH UNTIL 1600, THEN WEST
AROUND 25 MPH.
SMOKE DISPERSAL.....EXCELLENT UNTIL 1700, THEN VERY GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 0300, THEN MOSTLY
CLOUDY(55-60%). SLIGHT CHANCE OF SNOW SHOWERS
UNTIL 2400.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....25-29.
24 HR TREND......7-10 DEGREES COOLER.
MAX HUMIDITY........83-93%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 5-12 MPH WITH GUSTS TO AROUND
25 MPH UNTIL 2400, THEN SOUTHEAST 4-7 MPH.
RIDGES/UPR SLOPES....WEST WINDS 7-14 MPH WITH GUSTS TO AROUND
30 MPH UNTIL 2400, THEN SOUTH 4-9 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....SOUTHWEST 25-35 MPH.
MIXING HEIGHT.......6000-7000 FT AGL UNTIL 2000, THEN 1000-2000 FT
AGL UNTIL 2200, THEN BELOW 1000 FT AGL UNTIL
0100, THEN 1000-1500 FT AGL.
TRANSPORT WINDS.....WEST 20-25 MPH UNTIL 2000, THEN 10-15 MPH UNTIL
0100, THEN SOUTHEAST.
SMOKE DISPERSAL.....VERY GOOD UNTIL 2000, THEN POOR.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY(55-60%). CHANCE OF SNOW SHOWERS
AFTER 1200 UNTIL 1500. CHANCE OF RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200.
SLIGHT CHANCE OF SNOW SHOWERS AFTER 1500.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....43-53.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........43-53%.
24 HR TREND......7-10% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHEAST WINDS 7-15 MPH WITH GUSTS TO
AROUND 25 MPH.
RIDGES/UPR SLOPES....SOUTHEAST 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 30-40 MPH.
MIXING HEIGHT.......5000-6000 FT AGL.
TRANSPORT WINDS.....SOUTH 10-15 MPH UNTIL 1200, THEN AROUND 20 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN GOOD UNTIL 1700, THEN
FAIR.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
AND SNOW SHOWERS UNTIL 2100, THEN RAIN SHOWERS
LIKELY UNTIL 0300. SNOW SHOWERS LIKELY AFTER
2100.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....29-35.
24 HR TREND......4-7 DEGREES WARMER.
MAX HUMIDITY........87-97%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHEAST WINDS 5-13 MPH WITH GUSTS TO
AROUND 25 MPH.
RIDGES/UPR SLOPES....SOUTHEAST WINDS 5-13 MPH WITH GUSTS TO
AROUND 30 MPH.
CWR.................20 PERCENT INCREASING TO 40 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 30-40 MPH.
MIXING HEIGHT.......2000-3000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 10-15 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. SNOW SHOWERS LIKELY UNTIL 1200,
THEN RAIN SHOWERS WITH POSSIBLE THUNDERSTORMS
AND SNOW SHOWERS.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....46-54.
24 HR TREND......2-4 DEGREES WARMER.
MIN HUMIDITY........53-63%.
24 HR TREND......7-10% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH WINDS 5-13 MPH WITH GUSTS TO AROUND
25 MPH.
RIDGES/UPR SLOPES....SOUTH WINDS 5-13 MPH WITH GUSTS TO AROUND
25 MPH.
CWR.................10 PERCENT INCREASING TO 40 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST 25-35 MPH.
MIXING HEIGHT.......4500-5500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.
WEDNESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS, SLIGHT
CHANCE OF THUNDERSTORMS AND SNOW SHOWERS. LOWS IN THE LOWER 30S.
SOUTH WINDS 4-8 MPH.
THURSDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. HIGHS IN THE
UPPER 50S. SOUTHWEST WINDS 5-12 MPH.
FRIDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN THE
LOWER 30S. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS 4-9 MPH.
SATURDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN THE
MID 30S. HIGHS IN THE LOWER 60S. SOUTHWEST 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
140 PM MDT MON MAY 18 2026
REST OF TODAY
SKY/WEATHER.........CLOUDY. SNOW SHOWERS AND CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....25-35.
24 HR TREND......15-20 DEGREES COOLER.
MIN HUMIDITY........76-86%.
24 HR TREND......35-50% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH WINDS 5-12 MPH WITH GUSTS TO AROUND
20 MPH.
RIDGES/UPR SLOPES....SOUTH WINDS 5-12 MPH WITH GUSTS TO AROUND
20 MPH.
CWR.................90 PERCENT.
15K FT MSL WINDS....SOUTHWEST 30-40 MPH.
MIXING HEIGHT.......2500-3500 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 15 MPH UNTIL 1600, THEN WEST.
SMOKE DISPERSAL.....POOR.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. PATCHY FOG UNTIL 2400. SNOW
SHOWERS LIKELY UNTIL 2400, THEN CHANCE OF SNOW
SHOWERS UNTIL 0300, THEN SLIGHT CHANCE OF SNOW
SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....15-25.
24 HR TREND......7-10 DEGREES COOLER.
MAX HUMIDITY........96-99%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHWEST WINDS 4-8 MPH UNTIL 2400, THEN
WEST 4-7 MPH.
RIDGES/UPR SLOPES....WEST WINDS 4-9 MPH.
CWR.................30 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 0500, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH UNTIL 2400, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY(60-65%). SLIGHT CHANCE OF SNOW
SHOWERS AFTER 0900 UNTIL 1200, THEN CHANCE OF
SNOW SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....31-41.
24 HR TREND......2-4 DEGREES WARMER.
MIN HUMIDITY........60-70%.
24 HR TREND......10-15% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 4-7 MPH UNTIL 1200, THEN
NORTH 4-8 MPH.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 4-7 MPH UNTIL 1200, THEN
SOUTH 4-9 MPH.
CWR.................0 PERCENT INCREASING TO 20 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST 20-30 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700, THEN 4500-5500 FT
AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1000, THEN SOUTHWEST 10-15
MPH UNTIL 1600, THEN NORTHEAST.
SMOKE DISPERSAL.....POOR.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS UNTIL
2100, THEN SLIGHT CHANCE OF SNOW SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....19-29.
24 HR TREND......4-7 DEGREES WARMER.
MAX HUMIDITY........88-98%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...EAST WINDS 4-6 MPH UNTIL 2400, THEN SOUTH
4-7 MPH.
RIDGES/UPR SLOPES....SOUTHEAST WINDS 4-8 MPH UNTIL 2400, THEN
SOUTH 4-9 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTHWEST 25-35 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 2400, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH UNTIL 2000, THEN LIGHT
UNTIL 2400, THEN SOUTH AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY(50-60%) UNTIL 0900, THEN PARTLY
CLOUDY(35-45%) UNTIL 1200, THEN MOSTLY CLOUDY.
SLIGHT CHANCE OF SNOW SHOWERS UNTIL 1200, THEN
SNOW SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....38-48.
24 HR TREND......10-15 DEGREES WARMER.
MIN HUMIDITY........51-61%.
24 HR TREND......25-35% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 4-9 MPH. GUSTS UP TO 20 MPH IN
THE AFTERNOON.
RIDGES/UPR SLOPES....WEST WINDS 4-12 MPH WITH GUSTS TO AROUND
20 MPH.
CWR.................10 PERCENT INCREASING TO 30 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700, THEN 5500-6500 FT
AGL.
TRANSPORT WINDS.....SOUTHWEST 10-15 MPH UNTIL 1200, THEN WEST 15-20
MPH.
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN GOOD.
WEDNESDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS.
LOWS IN THE MID 20S. SOUTHWEST WINDS 4-7 MPH.
THURSDAY
SNOW SHOWERS, RAIN SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS. HIGHS IN THE MID 40S. SOUTHWEST WINDS 4-9 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 40S.
WEST WINDS 4-9 MPH.
SATURDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN THE
UPPER 20S. HIGHS IN THE LOWER 50S. SOUTHWEST WINDS 4-9 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
140 PM MDT MON MAY 18 2026
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS UNTIL
1500. SNOW SHOWERS. SLIGHT CHANCE OF
THUNDERSTORMS AFTER 1500.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....30-40.
24 HR TREND......10-15 DEGREES COOLER.
MIN HUMIDITY........60-70%.
24 HR TREND......20-25% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 7-14 MPH WITH GUSTS TO AROUND
30 MPH.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 10-17 MPH WITH GUSTS TO
AROUND 30 MPH.
CWR.................50 PERCENT.
15K FT MSL WINDS....SOUTHWEST 25-35 MPH.
MIXING HEIGHT.......6000-7000 FT AGL.
TRANSPORT WINDS.....WEST AROUND 20 MPH.
SMOKE DISPERSAL.....GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY(50-60%). CHANCE OF SNOW SHOWERS
UNTIL 0300, THEN SLIGHT CHANCE OF SNOW SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....17-27.
24 HR TREND......10-15 DEGREES COOLER.
MAX HUMIDITY........83-93%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 4-9 MPH. GUSTS UP TO 25 MPH IN
THE EVENING.
RIDGES/UPR SLOPES....WEST WINDS 5-13 MPH. GUSTS UP TO 30 MPH
DECREASING TO 20 MPH AFTER MIDNIGHT.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTHWEST 25-35 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....WEST 10-15 MPH.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY(50-60%) UNTIL 0900, THEN PARTLY
CLOUDY(50-60%) UNTIL 1200, THEN MOSTLY
CLOUDY(60-65%). SLIGHT CHANCE OF SNOW SHOWERS
UNTIL 1200, THEN SNOW SHOWERS LIKELY WITH
POSSIBLE RAIN SHOWERS AND THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....34-44.
24 HR TREND......4-7 DEGREES COOLER.
MIN HUMIDITY........55-65%.
24 HR TREND......25-35% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH WINDS 5-13 MPH WITH GUSTS TO AROUND
20 MPH.
RIDGES/UPR SLOPES....SOUTH WINDS 6-14 MPH WITH GUSTS TO AROUND
25 MPH.
CWR.................0 PERCENT INCREASING TO 40 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST 25-35 MPH.
MIXING HEIGHT.......5500-6500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN GOOD UNTIL 1700, THEN
POOR.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SNOW SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS UNTIL 2100, THEN SNOW SHOWERS
LIKELY UNTIL 2400, THEN CHANCE OF SNOW SHOWERS.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....23-33.
24 HR TREND......4-7 DEGREES WARMER.
MAX HUMIDITY........86-96%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTH WINDS 4-8 MPH. GUSTS UP TO 20 MPH
AFTER MIDNIGHT.
RIDGES/UPR SLOPES....SOUTH WINDS 6-14 MPH WITH GUSTS TO AROUND
25 MPH.
CWR.................40 PERCENT DECREASING TO 20 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 25-35 MPH.
MIXING HEIGHT.......2000-3000 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. SNOW SHOWERS LIKELY UNTIL 1200,
THEN SNOW SHOWERS, RAIN SHOWERS AND CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....38-48.
24 HR TREND......10-15 DEGREES WARMER.
MIN HUMIDITY........56-66%.
24 HR TREND......35-50% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5-13 MPH WITH GUSTS TO
AROUND 25 MPH.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 6-14 MPH WITH GUSTS TO
AROUND 30 MPH.
CWR.................10 PERCENT INCREASING TO 50 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......6000-7000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 10-15 MPH UNTIL 1200, THEN WEST 15-20
MPH.
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN GOOD.
WEDNESDAY NIGHT
PARTLY CLOUDY. CHANCE OF SNOW SHOWERS, RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID 20S.
SOUTHWEST WINDS 4-7 MPH.
THURSDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS AND SNOW
SHOWERS. HIGHS IN THE UPPER 40S. WEST WINDS 5-12 MPH.
FRIDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS AND SLIGHT
CHANCE OF SNOW SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER
40S. WEST WINDS 5-12 MPH.
SATURDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN THE
UPPER 20S. HIGHS IN THE MID 50S. WEST WINDS 5-12 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
140 PM MDT MON MAY 18 2026
REST OF TODAY
SKY/WEATHER.........CLOUDY. SNOW SHOWERS AND CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....29-39.
24 HR TREND......15-20 DEGREES COOLER.
MIN HUMIDITY........75-85%.
24 HR TREND......35-50% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHWEST WINDS 8-15 MPH WITH GUSTS TO
AROUND 25 MPH.
RIDGES/UPR SLOPES....WEST WINDS 9-16 MPH WITH GUSTS TO AROUND
25 MPH.
CWR.................80 PERCENT.
15K FT MSL WINDS....SOUTHWEST 25-35 MPH.
MIXING HEIGHT.......4000-5000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 15-20 MPH UNTIL 1500, THEN NORTHWEST.
SMOKE DISPERSAL.....FAIR.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SNOW SHOWERS LIKELY UNTIL 2100,
THEN CHANCE OF SNOW SHOWERS UNTIL 0300, THEN
SLIGHT CHANCE OF SNOW SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....16-24.
24 HR TREND......7-10 DEGREES COOLER.
MAX HUMIDITY........97-99%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHWEST WINDS 4-12 MPH. GUSTS UP TO 25
MPH IN THE EVENING.
RIDGES/UPR SLOPES....NORTHWEST WINDS 7-14 MPH UNTIL 2400, THEN
WEST 4-9 MPH. GUSTS UP TO 25 MPH IN THE
EVENING.
CWR.................20 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......2000-3000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH UNTIL 0100, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY(60-65%) UNTIL 0900, THEN PARTLY
CLOUDY(40-50%) UNTIL 1500, THEN MOSTLY
CLOUDY(50-60%). SLIGHT CHANCE OF SNOW SHOWERS
AFTER 1200 UNTIL 1500. SLIGHT CHANCE OF
THUNDERSTORMS AFTER 1200. CHANCE OF SNOW
SHOWERS AFTER 1500.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....35-45.
24 HR TREND......7-10 DEGREES WARMER.
MIN HUMIDITY........53-63%.
24 HR TREND......25-35% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...EAST WINDS 4-7 MPH UNTIL 1200, THEN
NORTHWEST 4-9 MPH WITH GUSTS TO AROUND 20
MPH.
RIDGES/UPR SLOPES....SOUTHEAST WINDS 4-9 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....SOUTHWEST 20-30 MPH.
MIXING HEIGHT.......6000-7000 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1100, THEN SOUTHWEST AROUND
10 MPH UNTIL 1300, THEN WEST.
SMOKE DISPERSAL.....POOR.
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY(50-60%) UNTIL 2400, THEN PARTLY
CLOUDY(40-50%). SLIGHT CHANCE OF SNOW SHOWERS
UNTIL 2100.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....21-29.
24 HR TREND......2-4 DEGREES WARMER.
MAX HUMIDITY........86-96%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTH WINDS 4-8 MPH WITH GUSTS TO AROUND
20 MPH UNTIL 2400, THEN SOUTH 4-7 MPH.
RIDGES/UPR SLOPES....NORTH WINDS 4-9 MPH WITH GUSTS TO AROUND
20 MPH UNTIL 2400, THEN SOUTH.
CWR.................0 PERCENT.
15K FT MSL WINDS....SOUTHWEST 30-40 MPH.
MIXING HEIGHT.......2000-3000 FT AGL UNTIL 2100, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....NORTH AROUND 10 MPH UNTIL 2100, THEN NORTHEAST
UNTIL 2200, THEN LIGHT UNTIL 0100, THEN SOUTH
AROUND 10 MPH UNTIL 0300, THEN LIGHT UNTIL
0400, THEN SOUTHWEST AROUND 10 MPH UNTIL 0500,
THEN LIGHT.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 0900, THEN MOSTLY
SUNNY UNTIL 1200, THEN PARTLY CLOUDY(40-50%).
SLIGHT CHANCE OF SNOW SHOWERS. CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
AFTER 1200.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....41-51.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........41-51%.
24 HR TREND......10-15% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 4-7 MPH UNTIL 1200, THEN
WEST 7-14 MPH. GUSTS UP TO 25 MPH.
RIDGES/UPR SLOPES....WEST WINDS 6-14 MPH. GUSTS UP TO 20 MPH
INCREASING TO 30 MPH IN THE AFTERNOON.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....SOUTHWEST 25-35 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700, THEN 6500-7500 FT
AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0800. WEST 15-20 MPH AFTER
1400.
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN GOOD.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 20S. SOUTHWEST
WINDS 4-8 MPH.
THURSDAY
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS AND SNOW
SHOWERS. HIGHS AROUND 50. SOUTHWEST WINDS 7-14 MPH.
FRIDAY
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS IN THE UPPER 20S. HIGHS AROUND 50. WEST
WINDS 6-13 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS IN THE
UPPER 50S. SOUTHWEST WINDS 6-13 MPH.
OUTLOOK 6 TO 10 DAYS
TEMPERATURES ABOVE NORMAL AND PRECIPITATION ABOVE NORMAL.
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