403
FNUS55 KBOU 272211
FWFBOU
FIRE WEATHER FORECAST FOR NORTHEAST AND NORTH CENTRAL COLORADO
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
311 PM MST SAT DEC 27 2025
DISCUSSION...TONIGHT AND SUNDAY
SNOW WILL BECOME MORE WIDESPREAD ACROSS THE HIGH COUNTRY THIS
EVENING INTO SUNDAY MORNING, WITH SNOW BANDING CAUSING LOCALIZED
MODERATE TO HEAVY SNOWFALL AT TIMES. STILL EXPECT TOTAL
ACCUMULATIONS BETWEEN 8-18" FOR THE PARK AND NORTHERN GORE RANGE
AND 4-12" ALONG THE FRONT RANGE, PARTICULARLY NORTH OF I-70. LIGHT
RAIN/SNOW MIX TRANSITIONING TO SNOW IS EXPECTED ACROSS THE PLAINS
TONIGHT THROUGH SUNDAY MORNING AS A COLD FRONT BRINGS IN COLDER
AIR. LIGHT ACCUMULATIONS BETWEEN DUSTING TO 2" (LOCALIZED HIGHER
AMOUNTS OF 3" WHERE BANDED SNOW OCCURS) IS LIKELY, WITH HIGHER
AMOUNTS ALONG THE WESTERN URBAN CORRIDOR AND PALMER DIVIDE. SUNDAY
WILL BE COLD, WITH TEMPERATURES REMAINING BELOW FREEZING FOR THE
FORECAST AREA. SMOKE DISPERSAL RATES WILL BE GOOD TO EXCELLENT
ACROSS THE HIGH COUNTRY AND PLAINS.
LONG TERM DISCUSSION...SUNDAY NIGHT THROUGH THURSDAY...
NEAR NORMAL TO SLIGHTLY ABOVE NORMAL TEMPERATURES ARE EXPECTED
MONDAY AND TUESDAY, WITH WARMER CONDITIONS WEDNESDAY AND THURSDAY.
IT WILL BE DRY, WITH MINIMUM RELATIVE HUMIDITY VALUES DIPPING TO
20% EACH DAY. HOWEVER, WINDS WILL REMAIN RELATIVELY LIGHT. SMOKE
DISPERSAL CONDITIONS WILL BE GENERALLY BE POOR MONDAY THROUGH
THURSDAY FOR THE FORECAST AREA, EXPECT FOR A FEW PLACES ALONG THE
FRONT RANGE WHICH WILL BE FAIR AT TIMES.
...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...
COZ238-281115-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
INCLUDING FORT COLLINS, HEREFORD, LOVELAND, NUNN,
AND WEST PAWNEE GRASSLANDS
311 PM MST SAT DEC 27 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN UNTIL 2100.
CHANCE OF SNOW.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....14-22.
24 HR TREND......10-15 DEGREES COOLER.
MAX HUMIDITY........58-68%.
24 HR TREND......7-10% WETTER.
20-FOOT WINDS.......BREEZY. NORTH WINDS 13-23 MPH WITH GUSTS TO
AROUND 35 MPH.
CWR.................10 PERCENT INCREASING TO 20 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 40-50 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 15-20 MPH UNTIL 2300, THEN AROUND 25
MPH.
SMOKE DISPERSAL.....POOR.
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY(50-60%) UNTIL 1100, THEN MOSTLY
SUNNY. SLIGHT CHANCE OF SNOW UNTIL 1100.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....27-33.
24 HR TREND......20-25 DEGREES COOLER.
MIN HUMIDITY........24-28%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......BREEZY. NORTHWEST WINDS 16-26 MPH WITH GUSTS TO
AROUND 40 MPH.
CWR.................10 PERCENT DECREASING TO 0 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....NORTHWEST 50-60 MPH.
MIXING HEIGHT.......5000-6000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 20-25 MPH UNTIL 1000, THEN 30-35 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900, THEN VERY GOOD UNTIL 1100,
THEN EXCELLENT UNTIL 1600, THEN GOOD.
SUNDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....10-16.
24 HR TREND......4-7 DEGREES COOLER.
MAX HUMIDITY........44-54%.
24 HR TREND......20-25% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 6-14 MPH. GUSTS UP TO 30 MPH
DECREASING TO 20 MPH AFTER MIDNIGHT.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 45-55 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 0100, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....NORTHWEST 15-20 MPH UNTIL 2400, THEN AROUND 10
MPH.
SMOKE DISPERSAL.....POOR.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....39-43.
24 HR TREND......7-10 DEGREES WARMER.
MIN HUMIDITY........18-23%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......WEST WINDS 4-8 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 25-35 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900, THEN 1000-2000 FT
AGL.
TRANSPORT WINDS.....WEST AROUND 10 MPH UNTIL 1400, THEN SOUTHWEST
UNTIL 1500, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 19. WEST WINDS 4-8 MPH.
TUESDAY
MOSTLY CLEAR. HIGHS IN THE UPPER 40S. WEST WINDS
4-8 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 20S. HIGHS IN THE
MID 50S. WEST WINDS 4-9 MPH.
NEW YEARS DAY
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS IN
THE UPPER 50S. WEST WINDS 4-8 MPH.
COZ239-281115-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
INCLUDING ARVADA, BOULDER, GOLDEN, LAKEWOOD, AND LONGMONT
311 PM MST SAT DEC 27 2025
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY(50-60%) UNTIL 2000, THEN MOSTLY
CLOUDY. CHANCE OF RAIN AND SNOW UNTIL 2300,
THEN SNOW LIKELY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....18-22.
24 HR TREND......15-20 DEGREES COOLER.
MAX HUMIDITY........63-71%.
24 HR TREND......15-20% WETTER.
20-FOOT WINDS.......WEST WINDS 4-9 MPH UNTIL 2300, THEN NORTHEAST.
CWR.................10 PERCENT INCREASING TO 50 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 35-45 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....WEST AROUND 10 MPH UNTIL 0100, THEN NORTHWEST.
SMOKE DISPERSAL.....POOR.
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1100, THEN MOSTLY SUNNY.
SNOW LIKELY UNTIL 0800, THEN CHANCE OF SNOW
UNTIL 1100.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....30-34.
24 HR TREND......20-25 DEGREES COOLER.
MIN HUMIDITY........26-30%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......NORTH WINDS 4-12 MPH. GUSTS UP TO 20 MPH IN THE
AFTERNOON.
CWR.................10 PERCENT DECREASING TO 0 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....NORTHWEST 50-60 MPH.
MIXING HEIGHT.......2500-3500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH UNTIL 1100. AROUND 10 MPH
AFTER 1600.
SMOKE DISPERSAL.....POOR.
SUNDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....13-19.
24 HR TREND......2-4 DEGREES COOLER.
MAX HUMIDITY........43-53%.
24 HR TREND......15-20% DRIER.
20-FOOT WINDS.......WEST WINDS 4-9 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 40-50 MPH.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 2000, THEN WEST AROUND 10 MPH
UNTIL 2100, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....40-44.
24 HR TREND......7-10 DEGREES WARMER.
MIN HUMIDITY........24-28%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......SOUTHWEST WINDS 4-7 MPH UNTIL 1100, THEN SOUTH
4-6 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 20-30 MPH.
MIXING HEIGHT.......1000-2000 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS.
SMOKE DISPERSAL.....POOR.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 20S. WEST WINDS
4-8 MPH.
TUESDAY
MOSTLY CLEAR. HIGHS IN THE UPPER 40S. SOUTHWEST WINDS
4-7 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS IN THE MID
50S. WEST WINDS 4-8 MPH.
NEW YEARS DAY
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN
THE UPPER 50S. WEST WINDS 4-8 MPH.
COZ240-281115-
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
311 PM MST SAT DEC 27 2025
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 2000, THEN MOSTLY
CLOUDY(60-65%). SLIGHT CHANCE OF RAIN UNTIL
2000, THEN CHANCE OF RAIN AND SNOW UNTIL 2300,
THEN SNOW LIKELY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....18-22.
24 HR TREND......10-15 DEGREES COOLER.
MAX HUMIDITY........63-73%.
24 HR TREND......20-25% WETTER.
20-FOOT WINDS.......NORTH WINDS 5-13 MPH. GUSTS UP TO 25 MPH AFTER
MIDNIGHT.
CWR.................10 PERCENT INCREASING TO 40 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 30-40 MPH.
MIXING HEIGHT.......1000-1500 FT AGL UNTIL 1900, THEN BELOW 1000 FT
AGL UNTIL 2200, THEN 2000-3000 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH UNTIL 2000, THEN NORTH
UNTIL 0300, THEN AROUND 20 MPH.
SMOKE DISPERSAL.....POOR.
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1100, THEN MOSTLY SUNNY.
SNOW LIKELY UNTIL 0800, THEN CHANCE OF SNOW
UNTIL 1100.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....30-34.
24 HR TREND......25-35 DEGREES COOLER.
MIN HUMIDITY........25-29%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......NORTH WINDS 6-14 MPH WITH GUSTS TO AROUND 25
MPH.
CWR.................20 PERCENT DECREASING TO 0 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....NORTHWEST 50-60 MPH.
MIXING HEIGHT.......2000-3000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH.
SMOKE DISPERSAL.....POOR.
SUNDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....13-17.
24 HR TREND......4-7 DEGREES COOLER.
MAX HUMIDITY........43-53%.
24 HR TREND......15-20% DRIER.
20-FOOT WINDS.......SOUTH WINDS 4-8 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 45-55 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 2100, THEN SOUTHWEST AROUND
10 MPH UNTIL 2400, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....41-45.
24 HR TREND......7-10 DEGREES WARMER.
MIN HUMIDITY........20-24%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......SOUTH WINDS 4-8 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 20-30 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 1000, THEN 1000-2000 FT
AGL.
TRANSPORT WINDS.....LIGHT WINDS.
SMOKE DISPERSAL.....POOR.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 20S. SOUTHWEST
WINDS 4-8 MPH.
TUESDAY
MOSTLY CLEAR. HIGHS IN THE UPPER 40S. SOUTHWEST WINDS
4-7 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS IN THE
UPPER 50S. SOUTHWEST WINDS 4-8 MPH.
NEW YEARS DAY
PARTLY CLOUDY. LOWS AROUND 30. HIGHS AROUND 60.
SOUTHWEST WINDS 4-8 MPH.
COZ241-281115-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING CASTLE ROCK, ELBERT, FONDIS, KIOWA, AND LARKSPUR
311 PM MST SAT DEC 27 2025
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 2300, THEN MOSTLY
CLOUDY. SLIGHT CHANCE OF SNOW AFTER 2000 UNTIL
2300, THEN SNOW LIKELY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....15-19.
24 HR TREND......15-20 DEGREES COOLER.
MAX HUMIDITY........76-86%.
24 HR TREND......35-50% WETTER.
20-FOOT WINDS.......WEST WINDS 6-13 MPH UNTIL 2300, THEN NORTH 8-15
MPH. GUSTS UP TO 25 MPH.
CWR.................0 PERCENT INCREASING TO 30 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 40-50 MPH.
MIXING HEIGHT.......2000-3000 FT AGL.
TRANSPORT WINDS.....WEST AROUND 15 MPH UNTIL 2100, THEN NORTH UNTIL
0200, THEN AROUND 20 MPH.
SMOKE DISPERSAL.....POOR.
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1100, THEN PARTLY CLOUDY
UNTIL 1400, THEN MOSTLY SUNNY. SNOW UNTIL 0800.
SNOW LIKELY AFTER 0800 UNTIL 1100, THEN SLIGHT
CHANCE OF SNOW UNTIL 1400. PATCHY BLOWING SNOW
AFTER 0600 UNTIL 1100.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....27-31.
24 HR TREND......25-35 DEGREES COOLER.
MIN HUMIDITY........29-35%.
24 HR TREND......7-10% WETTER.
20-FOOT WINDS.......NORTH WINDS 10-18 MPH WITH GUSTS TO AROUND 30
MPH.
CWR.................20 PERCENT DECREASING TO 0 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....NORTHWEST 55-65 MPH.
MIXING HEIGHT.......3000-4000 FT AGL.
TRANSPORT WINDS.....NORTH 20-25 MPH UNTIL 1200, THEN NORTHWEST
25-30 MPH UNTIL 1500, THEN 15-20 MPH.
SMOKE DISPERSAL.....FAIR UNTIL 1200, THEN GOOD UNTIL 1600, THEN
POOR.
SUNDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....11-15.
24 HR TREND......2-4 DEGREES COOLER.
MAX HUMIDITY........47-57%.
24 HR TREND......25-35% DRIER.
20-FOOT WINDS.......WEST WINDS 4-9 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 45-55 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH UNTIL 2100, THEN WEST
UNTIL 0400, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....39-43.
24 HR TREND......10-15 DEGREES WARMER.
MIN HUMIDITY........19-25%.
24 HR TREND......10-15% DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS 4-9 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 20-30 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900, THEN 1500-2500 FT
AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1100, THEN SOUTHWEST AROUND
10 MPH.
SMOKE DISPERSAL.....POOR.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 20. SOUTHWEST WINDS
4-8 MPH.
TUESDAY
MOSTLY CLEAR. HIGHS IN THE UPPER 40S. WEST WINDS
4-8 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS IN THE MID
50S. SOUTHWEST WINDS 4-8 MPH.
NEW YEARS DAY
PARTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS IN
THE UPPER 50S. SOUTHWEST WINDS 4-9 MPH.
COZ242-281115-
NORTHEAST WELD COUNTY-
INCLUDING BRIGGSDALE, EAST PAWNEE GRASSLANDS, GROVER,
PAWNEE BUTTES, RAYMER, AND STONEHAM
311 PM MST SAT DEC 27 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN UNTIL
2000. CHANCE OF SNOW. CHANCE OF RAIN AFTER 2000
UNTIL 2300. PATCHY BLOWING SNOW AFTER 0300.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....14-18.
24 HR TREND......10-15 DEGREES COOLER.
MAX HUMIDITY........65-73%.
24 HR TREND......2-4% WETTER.
20-FOOT WINDS.......BREEZY. NORTH WINDS 12-18 MPH WITH GUSTS TO
AROUND 30 MPH UNTIL 2300, THEN 19-29 MPH WITH
GUSTS TO AROUND 40 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....SOUTHWEST 40-50 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 2000, THEN 1500-2500 FT
AGL.
TRANSPORT WINDS.....NORTH 10-15 MPH UNTIL 2100. AROUND 30 MPH AFTER
2300.
SMOKE DISPERSAL.....POOR UNTIL 2400, THEN FAIR.
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY(60-65%) UNTIL 1100, THEN MOSTLY
SUNNY. SLIGHT CHANCE OF SNOW UNTIL 1100.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....28-32.
24 HR TREND......25-35 DEGREES COOLER.
MIN HUMIDITY........24-28%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......WINDY. NORTHWEST WINDS 19-29 MPH WITH GUSTS TO
AROUND 40 MPH.
CWR.................10 PERCENT DECREASING TO 0 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....NORTHWEST 55-65 MPH.
MIXING HEIGHT.......5500-6500 FT AGL.
TRANSPORT WINDS.....NORTH 25-30 MPH UNTIL 1100, THEN NORTHWEST
35-40 MPH UNTIL 1600, THEN AROUND 30 MPH.
SMOKE DISPERSAL.....GOOD UNTIL 1000, THEN VERY GOOD UNTIL 1200,
THEN EXCELLENT UNTIL 1600, THEN VERY GOOD.
SUNDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....7-13.
24 HR TREND......7-10 DEGREES COOLER.
MAX HUMIDITY........50-60%.
24 HR TREND......10-15% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 8-16 MPH. GUSTS UP TO 30 MPH
DECREASING TO 20 MPH AFTER MIDNIGHT.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 50-60 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 0100, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....NORTHWEST 20-25 MPH UNTIL 2300, THEN AROUND 15
MPH.
SMOKE DISPERSAL.....FAIR UNTIL 2000, THEN POOR.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....39-43.
24 HR TREND......7-10 DEGREES WARMER.
MIN HUMIDITY........17-21%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......WEST WINDS 5-12 MPH. GUSTS UP TO 20 MPH IN THE
AFTERNOON.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 25-35 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900, THEN 2000-3000 FT
AGL.
TRANSPORT WINDS.....WEST 10-15 MPH UNTIL 1600, THEN AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 16. WEST WINDS 4-8 MPH.
TUESDAY
MOSTLY CLEAR. HIGHS IN THE UPPER 40S. NORTHWEST WINDS
4-8 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS AROUND 20. HIGHS IN THE MID 50S.
WEST WINDS 4-9 MPH.
NEW YEARS DAY
PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN THE
MID 50S. WEST WINDS 4-8 MPH.
COZ243-281115-
CENTRAL AND SOUTH WELD COUNTY-
INCLUDING EATON, FORT LUPTON, GREELEY, AND ROGGEN
311 PM MST SAT DEC 27 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN UNTIL
2000, THEN CHANCE OF RAIN AND SNOW UNTIL 2300,
THEN SNOW LIKELY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....18-22.
24 HR TREND......10-15 DEGREES COOLER.
MAX HUMIDITY........62-70%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......BREEZY. NORTH WINDS 8-15 MPH UNTIL 2300, THEN
15-25 MPH. GUSTS UP TO 35 MPH.
CWR.................10 PERCENT INCREASING TO 30 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 35-45 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 1900, THEN 1000 FT AGL
UNTIL 2000, THEN BELOW 1000 FT AGL UNTIL 2100,
THEN 1500-2500 FT AGL.
TRANSPORT WINDS.....NORTH 10-15 MPH UNTIL 2300. 25-30 MPH AFTER
0200.
SMOKE DISPERSAL.....POOR.
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY(60-65%) UNTIL 1100, THEN MOSTLY
SUNNY. CHANCE OF SNOW UNTIL 1100.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....31-35.
24 HR TREND......25-35 DEGREES COOLER.
MIN HUMIDITY........25-29%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTH WINDS 12-22 MPH WITH GUSTS TO AROUND 30
MPH.
CWR.................10 PERCENT DECREASING TO 0 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....NORTHWEST 50-60 MPH.
MIXING HEIGHT.......3500-4500 FT AGL.
TRANSPORT WINDS.....NORTH 20-25 MPH UNTIL 1200, THEN NORTHWEST
25-30 MPH UNTIL 1600, THEN AROUND 20 MPH.
SMOKE DISPERSAL.....FAIR UNTIL 1100, THEN GOOD UNTIL 1600, THEN
POOR.
SUNDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....8-14.
24 HR TREND......4-7 DEGREES COOLER.
MAX HUMIDITY........57-67%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 4-9 MPH WITH GUSTS TO AROUND 20
MPH UNTIL 2300, THEN SOUTHWEST 4-8 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 45-55 MPH.
MIXING HEIGHT.......1000 FT AGL UNTIL 2000, THEN BELOW 1000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH UNTIL 2300, THEN WEST UNTIL
2400, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....38-42.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........21-25%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS 4-8 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 25-35 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 1000, THEN 1000-2000 FT
AGL UNTIL 1600, THEN BELOW 1000 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS.
SMOKE DISPERSAL.....POOR.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 15. SOUTHWEST WINDS
4-7 MPH.
TUESDAY
MOSTLY CLEAR. HIGHS IN THE UPPER 40S. SOUTHWEST WINDS
4-7 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS AROUND 20. HIGHS IN THE MID 50S.
SOUTHWEST WINDS 4-8 MPH.
NEW YEARS DAY
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN
THE MID 50S. SOUTHWEST WINDS 4-7 MPH.
COZ244-281115-
MORGAN COUNTY-
INCLUDING BRUSH, FORT MORGAN, GOODRICH, AND WIGGINS
311 PM MST SAT DEC 27 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN UNTIL
2300. CHANCE OF SNOW. CHANCE OF RAIN AFTER
2300. PATCHY BLOWING SNOW AFTER 0300.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....17-21.
24 HR TREND......7-10 DEGREES COOLER.
MAX HUMIDITY........67-73%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......BREEZY. NORTH WINDS 8-15 MPH WITH GUSTS TO
AROUND 25 MPH UNTIL 2300, THEN 16-26 MPH WITH
GUSTS TO AROUND 35 MPH.
CWR.................10 PERCENT INCREASING TO 20 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 30-40 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 2100, THEN 2000-3000 FT
AGL.
TRANSPORT WINDS.....NORTH 10-15 MPH UNTIL 2100. 25-30 MPH AFTER
0100.
SMOKE DISPERSAL.....POOR UNTIL 0200, THEN FAIR.
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1100, THEN PARTLY
CLOUDY(30-40%) UNTIL 1400, THEN MOSTLY SUNNY.
CHANCE OF SNOW UNTIL 0800. SLIGHT CHANCE OF
SNOW AFTER 0800 UNTIL 1100. PATCHY BLOWING SNOW
AFTER 0600 UNTIL 0800.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....30-34.
24 HR TREND......25-35 DEGREES COOLER.
MIN HUMIDITY........25-29%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......BREEZY. NORTH WINDS 15-25 MPH WITH GUSTS TO
AROUND 35 MPH.
CWR.................10 PERCENT DECREASING TO 0 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....NORTHWEST 55-65 MPH.
MIXING HEIGHT.......5000-6000 FT AGL.
TRANSPORT WINDS.....NORTH 25-30 MPH UNTIL 1300, THEN NORTHWEST
30-35 MPH.
SMOKE DISPERSAL.....GOOD UNTIL 1200, THEN VERY GOOD UNTIL 1400,
THEN EXCELLENT UNTIL 1600, THEN GOOD.
SUNDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....9-13.
24 HR TREND......7-10 DEGREES COOLER.
MAX HUMIDITY........59-69%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 5-13 MPH. GUSTS UP TO 25 MPH IN
THE EVENING.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 50-60 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 0100, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....NORTH 15-20 MPH UNTIL 2300. LIGHT AFTER 0400.
SMOKE DISPERSAL.....POOR.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 41.
24 HR TREND......7-10 DEGREES WARMER.
MIN HUMIDITY........21-25%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......WEST WINDS 4-9 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 25-35 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900, THEN 1000-2000 FT
AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1000, THEN SOUTHWEST AROUND
10 MPH UNTIL 1300, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 15. SOUTHWEST WINDS
4-8 MPH.
TUESDAY
MOSTLY CLEAR. HIGHS IN THE UPPER 40S. NORTHWEST WINDS
4-8 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS AROUND 19. HIGHS IN THE MID 50S.
WEST WINDS 4-8 MPH.
NEW YEARS DAY
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN
THE MID 50S. SOUTHWEST WINDS 4-8 MPH.
COZ245-281115-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
INCLUDING BENNETT, BYERS, DEER TRAIL, AND LEADER
311 PM MST SAT DEC 27 2025
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 2000, THEN MOSTLY
CLOUDY(50-60%). SLIGHT CHANCE OF RAIN AND SNOW
AFTER 2000 UNTIL 2300, THEN SNOW LIKELY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....16-20.
24 HR TREND......15-20 DEGREES COOLER.
MAX HUMIDITY........71-79%.
24 HR TREND......25-35% WETTER.
20-FOOT WINDS.......NORTH WINDS 10-18 MPH. GUSTS UP TO 20 MPH
INCREASING TO 30 MPH AFTER MIDNIGHT.
CWR.................0 PERCENT INCREASING TO 30 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 30-40 MPH.
MIXING HEIGHT.......1000-1500 FT AGL UNTIL 1900, THEN BELOW 1000 FT
AGL UNTIL 2100, THEN 1000 FT AGL UNTIL 2200,
THEN BELOW 1000 FT AGL UNTIL 2300, THEN
2000-3000 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH UNTIL 2000, THEN NORTH
UNTIL 0100, THEN AROUND 25 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0200, THEN FAIR.
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1100, THEN PARTLY
CLOUDY(30-40%) UNTIL 1400, THEN MOSTLY SUNNY.
SNOW LIKELY UNTIL 0800, THEN CHANCE OF SNOW
UNTIL 1100.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....29-33.
24 HR TREND......25-35 DEGREES COOLER.
MIN HUMIDITY........28-32%.
24 HR TREND......7-10% WETTER.
20-FOOT WINDS.......NORTH WINDS 11-21 MPH WITH GUSTS TO AROUND 30
MPH.
CWR.................10 PERCENT DECREASING TO 0 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....NORTHWEST 50-60 MPH.
MIXING HEIGHT.......3000-4000 FT AGL.
TRANSPORT WINDS.....NORTH 20-25 MPH.
SMOKE DISPERSAL.....FAIR UNTIL 1300, THEN GOOD UNTIL 1600, THEN
POOR.
SUNDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....10-14.
24 HR TREND......4-7 DEGREES COOLER.
MAX HUMIDITY........50-60%.
24 HR TREND......20-25% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 4-13 MPH UNTIL 2300, THEN
SOUTHWEST 5-8 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 50-60 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH UNTIL 0100, THEN WEST UNTIL
0200, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....40-44.
24 HR TREND......7-10 DEGREES WARMER.
MIN HUMIDITY........20-24%.
24 HR TREND......7-10% DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS 5-8 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 25-35 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 1000, THEN 1500-2500 FT
AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1200, THEN SOUTHWEST AROUND
10 MPH UNTIL 1500, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 18. SOUTHWEST WINDS
4-12 MPH.
TUESDAY
MOSTLY CLEAR. HIGHS IN THE UPPER 40S. WEST WINDS
4-9 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 20S. HIGHS IN THE
MID 50S. SOUTHWEST WINDS 4-9 MPH.
NEW YEARS DAY
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS IN
THE UPPER 50S. SOUTH WINDS 4-9 MPH.
COZ248-281115-
LOGAN COUNTY-
INCLUDING CROOK, MERINO, STERLING, AND PEETZ
311 PM MST SAT DEC 27 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN UNTIL
2300. CHANCE OF SNOW. CHANCE OF RAIN AFTER
2300. PATCHY BLOWING SNOW AFTER 0300.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....15-19.
24 HR TREND......10-15 DEGREES COOLER.
MAX HUMIDITY........66-74%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......BREEZY. NORTH WINDS 13-23 MPH WITH GUSTS TO
AROUND 35 MPH.
CWR.................10 PERCENT INCREASING TO 20 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 35-45 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 2000, THEN 2000-3000 FT
AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH UNTIL 1900, THEN NORTH
15-20 MPH UNTIL 2100, THEN 25-30 MPH.
SMOKE DISPERSAL.....POOR UNTIL 2400, THEN GOOD.
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY(60-65%) UNTIL 1100, THEN MOSTLY
SUNNY. CHANCE OF SNOW UNTIL 0800, THEN SLIGHT
CHANCE OF SNOW UNTIL 1100.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....28-32.
24 HR TREND......25-35 DEGREES COOLER.
MIN HUMIDITY........27-31%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......BREEZY. NORTH WINDS 19-29 MPH WITH GUSTS TO
AROUND 40 MPH.
CWR.................10 PERCENT DECREASING TO 0 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....NORTHWEST 55-65 MPH.
MIXING HEIGHT.......5000-6000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 30-35 MPH.
SMOKE DISPERSAL.....GOOD UNTIL 1200, THEN VERY GOOD UNTIL 1400,
THEN EXCELLENT UNTIL 1600, THEN VERY GOOD.
SUNDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....9-13.
24 HR TREND......4-7 DEGREES COOLER.
MAX HUMIDITY........49-59%.
24 HR TREND......15-20% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 10-18 MPH WITH GUSTS TO AROUND
30 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 55-65 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 15-20 MPH.
SMOKE DISPERSAL.....FAIR UNTIL 0100, THEN POOR.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....39-43.
24 HR TREND......7-10 DEGREES WARMER.
MIN HUMIDITY........19-23%.
24 HR TREND......7-10% DRIER.
20-FOOT WINDS.......WEST WINDS 6-13 MPH WITH GUSTS TO AROUND 20
MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 30-40 MPH.
MIXING HEIGHT.......2500-3500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH UNTIL 1600, THEN SOUTHWEST.
SMOKE DISPERSAL.....POOR.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 17. WEST WINDS 4-9 MPH.
TUESDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 40S. NORTHWEST WINDS
5-12 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 20S. HIGHS IN THE
MID 50S. WEST WINDS 5-12 MPH.
NEW YEARS DAY
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN
THE MID 50S. SOUTHWEST WINDS 4-9 MPH.
COZ249-281115-
WASHINGTON COUNTY-
INCLUDING AKRON, COPE, LAST CHANCE, AND OTIS
311 PM MST SAT DEC 27 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY(55-60%). SLIGHT CHANCE OF RAIN
AND SNOW UNTIL 2300, THEN CHANCE OF RAIN AND
SNOW. PATCHY BLOWING SNOW AFTER 0300.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....16-20.
24 HR TREND......15-20 DEGREES COOLER.
MAX HUMIDITY........73-81%.
24 HR TREND......20-25% WETTER.
20-FOOT WINDS.......BREEZY. NORTH WINDS 9-15 MPH UNTIL 2300, THEN
15-25 MPH. GUSTS UP TO 35 MPH.
CWR.................0 PERCENT INCREASING TO 20 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 30-40 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 2100, THEN 1500-2500 FT
AGL.
TRANSPORT WINDS.....EAST 10-15 MPH UNTIL 2000, THEN NORTH 15-20 MPH
UNTIL 2300, THEN 25-30 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0200, THEN FAIR.
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1100, THEN PARTLY
CLOUDY(30-40%) UNTIL 1400, THEN MOSTLY SUNNY.
PATCHY BLOWING SNOW UNTIL 0800. CHANCE OF SNOW
UNTIL 1100.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....27-31.
24 HR TREND......25-35 DEGREES COOLER.
MIN HUMIDITY........30-34%.
24 HR TREND......7-10% WETTER.
20-FOOT WINDS.......BREEZY. NORTH WINDS 17-27 MPH WITH GUSTS TO
AROUND 40 MPH.
CWR.................10 PERCENT DECREASING TO 0 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 50-60 MPH.
MIXING HEIGHT.......5000-6000 FT AGL.
TRANSPORT WINDS.....NORTH 25-30 MPH UNTIL 1300, THEN NORTHWEST
30-35 MPH.
SMOKE DISPERSAL.....GOOD UNTIL 1200, THEN VERY GOOD UNTIL 1400,
THEN EXCELLENT UNTIL 1600, THEN GOOD.
SUNDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....9-13.
24 HR TREND......4-7 DEGREES COOLER.
MAX HUMIDITY........54-62%.
24 HR TREND......15-20% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 8-16 MPH WITH GUSTS TO AROUND
30 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 55-65 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 0300, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....NORTHWEST 15-20 MPH UNTIL 0300, THEN AROUND 10
MPH.
SMOKE DISPERSAL.....POOR.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....38-42.
24 HR TREND......10-15 DEGREES WARMER.
MIN HUMIDITY........21-25%.
24 HR TREND......10-15% DRIER.
20-FOOT WINDS.......WEST WINDS 6-14 MPH WITH GUSTS TO AROUND 20
MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 30-40 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900, THEN 1500-2500 FT
AGL.
TRANSPORT WINDS.....WEST AROUND 10 MPH UNTIL 1500, THEN SOUTHWEST.
SMOKE DISPERSAL.....POOR.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 18. SOUTHWEST WINDS
4-13 MPH.
TUESDAY
MOSTLY CLEAR. HIGHS IN THE UPPER 40S. NORTHWEST WINDS
4-9 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 20S. HIGHS IN THE
MID 50S. WEST WINDS 4-13 MPH.
NEW YEARS DAY
PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN THE
UPPER 50S. SOUTHWEST WINDS 4-9 MPH.
COZ250-281115-
SEDGWICK COUNTY-
INCLUDING JULESBURG, OVID, AND SEDGWICK
311 PM MST SAT DEC 27 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW
UNTIL 2300, THEN CHANCE OF RAIN AND SNOW.
PATCHY BLOWING SNOW AFTER 0300.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....15-19.
24 HR TREND......10-15 DEGREES COOLER.
MAX HUMIDITY........73-79%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......BREEZY. NORTH WINDS 12-22 MPH. GUSTS UP TO 25
MPH INCREASING TO 35 MPH AFTER MIDNIGHT.
CWR.................10 PERCENT INCREASING TO 20 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 35-45 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 2000, THEN 1500-2500 FT
AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH UNTIL 1900, THEN NORTH
15-20 MPH UNTIL 2100, THEN 25-30 MPH.
SMOKE DISPERSAL.....POOR UNTIL 2400, THEN GOOD.
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY(60-65%) UNTIL 1100, THEN PARTLY
CLOUDY UNTIL 1400, THEN MOSTLY SUNNY. CHANCE OF
SNOW UNTIL 0800, THEN SLIGHT CHANCE OF SNOW
UNTIL 1100.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....27-31.
24 HR TREND......25-35 DEGREES COOLER.
MIN HUMIDITY........28-32%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......BREEZY. NORTHWEST WINDS 19-29 MPH WITH GUSTS TO
AROUND 40 MPH.
CWR.................10 PERCENT DECREASING TO 0 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 55-65 MPH.
MIXING HEIGHT.......4500-5500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 30-35 MPH UNTIL 1400, THEN 35-40 MPH
UNTIL 1600, THEN AROUND 30 MPH.
SMOKE DISPERSAL.....GOOD UNTIL 1200, THEN VERY GOOD UNTIL 1400,
THEN EXCELLENT UNTIL 1600, THEN VERY GOOD.
SUNDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....8-12.
24 HR TREND......4-7 DEGREES COOLER.
MAX HUMIDITY........50-56%.
24 HR TREND......20-25% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 12-22 MPH WITH GUSTS TO AROUND
30 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 55-65 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 20-25 MPH UNTIL 0400, THEN AROUND 15
MPH.
SMOKE DISPERSAL.....GOOD UNTIL 2000, THEN POOR.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....37-41.
24 HR TREND......7-10 DEGREES WARMER.
MIN HUMIDITY........20-24%.
24 HR TREND......7-10% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 7-14 MPH WITH GUSTS TO AROUND
20 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 30-40 MPH.
MIXING HEIGHT.......2000-3000 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH UNTIL 1600, THEN WEST.
SMOKE DISPERSAL.....POOR.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 17. WEST WINDS
5-12 MPH.
TUESDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 40S. NORTHWEST WINDS
7-14 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 20S. HIGHS IN THE
MID 50S. WEST WINDS 6-13 MPH.
NEW YEARS DAY
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN
THE LOWER 50S. SOUTHWEST WINDS 6-10 MPH.
COZ251-281115-
PHILLIPS COUNTY-
INCLUDING AMHERST, HAXTUN, AND HOLYOKE
311 PM MST SAT DEC 27 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW
UNTIL 2300, THEN CHANCE OF RAIN AND SNOW.
PATCHY BLOWING SNOW AFTER 0300.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....16-20.
24 HR TREND......7-10 DEGREES COOLER.
MAX HUMIDITY........75-81%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTH WINDS 11-21 MPH. GUSTS UP TO 25 MPH
INCREASING TO 35 MPH AFTER MIDNIGHT.
CWR.................0 PERCENT INCREASING TO 20 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 35-45 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 2100, THEN 1500-2500 FT
AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH UNTIL 2000, THEN NORTH
UNTIL 2100, THEN NORTHWEST 25-30 MPH UNTIL
0100, THEN NORTH 30-35 MPH.
SMOKE DISPERSAL.....POOR UNTIL 2400, THEN GOOD.
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1100, THEN PARTLY CLOUDY
UNTIL 1400, THEN MOSTLY SUNNY. CHANCE OF SNOW
UNTIL 0800, THEN SLIGHT CHANCE OF SNOW UNTIL
1100.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 30.
24 HR TREND......25-35 DEGREES COOLER.
MIN HUMIDITY........28-32%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......BREEZY. NORTHWEST WINDS 18-28 MPH WITH GUSTS TO
AROUND 40 MPH.
CWR.................10 PERCENT DECREASING TO 0 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 55-65 MPH.
MIXING HEIGHT.......4500-5500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 30-35 MPH.
SMOKE DISPERSAL.....GOOD UNTIL 1200, THEN VERY GOOD UNTIL 1400,
THEN EXCELLENT UNTIL 1600, THEN VERY GOOD.
SUNDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....AROUND 11.
24 HR TREND......4-7 DEGREES COOLER.
MAX HUMIDITY........51-55%.
24 HR TREND......25-35% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 12-20 MPH WITH GUSTS TO AROUND
30 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 55-65 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 20-25 MPH.
SMOKE DISPERSAL.....POOR.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....38-42.
24 HR TREND......10-15 DEGREES WARMER.
MIN HUMIDITY........20-24%.
24 HR TREND......7-10% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 7-14 MPH WITH GUSTS TO AROUND
20 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 30-40 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH UNTIL 1600, THEN WEST.
SMOKE DISPERSAL.....POOR.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 17. WEST WINDS
4-13 MPH.
TUESDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 40S. NORTHWEST WINDS
6-13 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 20S. HIGHS IN THE
MID 50S. WEST WINDS 6-12 MPH.
NEW YEARS DAY
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN
THE MID 50S. SOUTHWEST WINDS 6-10 MPH.
COZ246-281115-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
INCLUDING AGATE, HUGO, LIMON, AND MATHESON
311 PM MST SAT DEC 27 2025
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 2300, THEN MOSTLY
CLOUDY. CHANCE OF RAIN AFTER 2300 UNTIL 2400.
CHANCE OF SNOW AFTER 2300.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....15-19.
24 HR TREND......15-20 DEGREES COOLER.
MAX HUMIDITY........78-84%.
24 HR TREND......25-35% WETTER.
20-FOOT WINDS.......NORTHWEST WINDS 7-14 MPH WITH GUSTS TO AROUND
20 MPH UNTIL 2300, THEN NORTH 13-23 MPH WITH
GUSTS TO AROUND 30 MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 35-45 MPH.
MIXING HEIGHT.......2000-3000 FT AGL.
TRANSPORT WINDS.....WEST AROUND 15 MPH UNTIL 2100, THEN NORTH UNTIL
0100, THEN 25-30 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0300, THEN FAIR.
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1100, THEN PARTLY
CLOUDY(30-40%) UNTIL 1400, THEN MOSTLY SUNNY.
PATCHY BLOWING SNOW UNTIL 1100. SNOW UNTIL
0800. CHANCE OF SNOW AFTER 0800 UNTIL 1100.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....27-31.
24 HR TREND......25-35 DEGREES COOLER.
MIN HUMIDITY........30-34%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......BREEZY. NORTH WINDS 16-26 MPH WITH GUSTS TO
AROUND 35 MPH.
CWR.................10 PERCENT DECREASING TO 0 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 50-60 MPH.
MIXING HEIGHT.......3500-4500 FT AGL.
TRANSPORT WINDS.....NORTH 25-30 MPH.
SMOKE DISPERSAL.....GOOD UNTIL 1300, THEN VERY GOOD UNTIL 1600,
THEN FAIR.
SUNDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....9-13.
24 HR TREND......4-7 DEGREES COOLER.
MAX HUMIDITY........52-62%.
24 HR TREND......20-25% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 5-13 MPH. GUSTS UP TO 20 MPH IN
THE EVENING.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 50-60 MPH.
MIXING HEIGHT.......1000-1500 FT AGL UNTIL 2200, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH.
SMOKE DISPERSAL.....POOR.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....39-43.
24 HR TREND......10-15 DEGREES WARMER.
MIN HUMIDITY........17-21%.
24 HR TREND......10-15% DRIER.
20-FOOT WINDS.......WEST WINDS 4-12 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 25-35 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900, THEN 2000-3000 FT
AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH UNTIL 0700, THEN LIGHT
UNTIL 0900, THEN SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 17. SOUTHWEST WINDS
4-12 MPH.
TUESDAY
MOSTLY CLEAR. HIGHS IN THE UPPER 40S. NORTHWEST WINDS
4-8 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 20S. HIGHS IN THE
MID 50S. WEST WINDS 4-9 MPH.
NEW YEARS DAY
PARTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS IN
THE UPPER 50S. SOUTH WINDS 4-9 MPH.
COZ247-281115-
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
INCLUDING FORDER, KARVAL, KUTCH, AND PUNKIN CENTER
311 PM MST SAT DEC 27 2025
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 0200, THEN MOSTLY
CLOUDY(60-65%). CHANCE OF RAIN AFTER 2300 UNTIL
0200. CHANCE OF SNOW AFTER 2300.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....18-24.
24 HR TREND......10-15 DEGREES COOLER.
MAX HUMIDITY........68-78%.
24 HR TREND......15-20% WETTER.
20-FOOT WINDS.......WEST WINDS 8-15 MPH UNTIL 2300, THEN NORTH
13-23 MPH WITH GUSTS TO AROUND 35 MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 45-55 MPH.
MIXING HEIGHT.......1000 FT AGL UNTIL 1900, THEN BELOW 1000 FT AGL
UNTIL 2400, THEN 1500-2500 FT AGL.
TRANSPORT WINDS.....WEST 15-20 MPH UNTIL 2200, THEN NORTH UNTIL
0200, THEN 25-30 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0400, THEN FAIR.
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1100, THEN PARTLY
CLOUDY(35-45%) UNTIL 1400, THEN MOSTLY SUNNY.
PATCHY BLOWING SNOW UNTIL 1100. SNOW LIKELY
UNTIL 1100.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....30-34.
24 HR TREND......25-35 DEGREES COOLER.
MIN HUMIDITY........28-32%.
24 HR TREND......2-4% WETTER.
20-FOOT WINDS.......WINDY. NORTH WINDS 19-29 MPH WITH GUSTS TO
AROUND 40 MPH.
CWR.................10 PERCENT DECREASING TO 0 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 55-65 MPH.
MIXING HEIGHT.......3500-4500 FT AGL.
TRANSPORT WINDS.....NORTH 25-30 MPH UNTIL 1600, THEN AROUND 20 MPH.
SMOKE DISPERSAL.....GOOD UNTIL 1600, THEN POOR.
SUNDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....10-14.
24 HR TREND......10-15 DEGREES COOLER.
MAX HUMIDITY........51-59%.
24 HR TREND......20-25% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 5-12 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 50-60 MPH.
MIXING HEIGHT.......1000 FT AGL UNTIL 2100, THEN BELOW 1000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH.
SMOKE DISPERSAL.....POOR.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....38-42.
24 HR TREND......7-10 DEGREES WARMER.
MIN HUMIDITY........17-21%.
24 HR TREND......10-15% DRIER.
20-FOOT WINDS.......WEST WINDS 6-12 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 25-35 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900, THEN 1500-2500 FT
AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH UNTIL 0700, THEN LIGHT
UNTIL 0900, THEN SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 16. WEST WINDS 4-8 MPH.
TUESDAY
NOT AS COOL. MOSTLY CLEAR. HIGHS IN THE LOWER 50S.
NORTHWEST WINDS 4-8 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS AROUND 20. HIGHS IN THE MID 50S.
WEST WINDS 4-8 MPH.
NEW YEARS DAY
PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN THE
UPPER 50S. SOUTHWEST WINDS 4-9 MPH.
COZ215-281115-
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
INCLUDING ESTES PARK, GLENDEVEY, LARAMIE RIVER VALLEY, NEDERLAND,
AND RED FEATHER LAKES
311 PM MST SAT DEC 27 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW UNTIL 2000, THEN
SNOW LIKELY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....8-18.
24 HR TREND......20-25 DEGREES COOLER.
MAX HUMIDITY........61-71%.
24 HR TREND......25-35% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 8-16 MPH WITH GUSTS TO AROUND
35 MPH.
RIDGES/UPR SLOPES....WEST WINDS 8-16 MPH WITH GUSTS TO AROUND
30 MPH.
CWR.................20 PERCENT INCREASING TO 40 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 40-50 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....WEST 15-20 MPH UNTIL 2200, THEN AROUND 25 MPH.
SMOKE DISPERSAL.....POOR.
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1100, THEN MOSTLY SUNNY.
CHANCE OF SNOW UNTIL 1100. PATCHY BLOWING SNOW
AFTER 1000 UNTIL 1100.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....17-27.
24 HR TREND......20-25 DEGREES COOLER.
MIN HUMIDITY........27-37%.
24 HR TREND......15-20% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHWEST WINDS 12-22 MPH. GUSTS UP TO 35
MPH INCREASING TO 45 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....WEST WINDS 12-22 MPH WITH GUSTS TO AROUND
40 MPH.
CWR.................10 PERCENT DECREASING TO 0 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....NORTHWEST 55-65 MPH.
MIXING HEIGHT.......4000-5000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 25-30 MPH UNTIL 0900, THEN 35-40 MPH
UNTIL 1600, THEN WEST AROUND 30 MPH.
SMOKE DISPERSAL.....FAIR UNTIL 0800, THEN VERY GOOD UNTIL 1600,
THEN GOOD.
SUNDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....9-19.
24 HR TREND......2-4 DEGREES WARMER.
MAX HUMIDITY........35-45%.
24 HR TREND......20-25% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 8-16 MPH. GUSTS UP TO 35 MPH
DECREASING TO 25 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....WEST WINDS 8-16 MPH. GUSTS UP TO 35 MPH
DECREASING TO 25 MPH AFTER MIDNIGHT.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 40-50 MPH.
MIXING HEIGHT.......1000-2000 FT AGL.
TRANSPORT WINDS.....WEST 20-25 MPH.
SMOKE DISPERSAL.....POOR.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....32-42.
24 HR TREND......15-20 DEGREES WARMER.
MIN HUMIDITY........20-28%.
24 HR TREND......10-15% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 4-12 MPH WITH GUSTS TO AROUND
20 MPH.
RIDGES/UPR SLOPES....WEST WINDS 4-12 MPH WITH GUSTS TO AROUND
25 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 25-35 MPH.
MIXING HEIGHT.......2000-3000 FT AGL.
TRANSPORT WINDS.....WEST 10-15 MPH.
SMOKE DISPERSAL.....POOR.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 20S. WEST WINDS
6-13 MPH.
TUESDAY
MOSTLY CLEAR. HIGHS IN THE MID 40S. WEST WINDS
4-9 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS IN THE
UPPER 40S. WEST WINDS 7-14 MPH.
NEW YEARS DAY
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN
THE LOWER 50S. WEST WINDS 6-13 MPH.
COZ216-281115-
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
311 PM MST SAT DEC 27 2025
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 2300, THEN MOSTLY
CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 2000, THEN
CHANCE OF SNOW UNTIL 2300, THEN SNOW.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....11-19.
24 HR TREND......15-20 DEGREES COOLER.
MAX HUMIDITY........69-79%.
24 HR TREND......25-35% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 4-9 MPH WITH GUSTS TO AROUND 30
MPH UNTIL 2300, THEN NORTHWEST WITH GUSTS
TO AROUND 20 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5-13 MPH. GUSTS UP TO 30 MPH
DECREASING TO 20 MPH AFTER MIDNIGHT.
CWR.................10 PERCENT INCREASING TO 50 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 40-50 MPH.
MIXING HEIGHT.......2000-3000 FT AGL.
TRANSPORT WINDS.....WEST 10-15 MPH UNTIL 0400, THEN NORTHWEST.
SMOKE DISPERSAL.....POOR.
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1100, THEN PARTLY
CLOUDY(30-35%). SNOW UNTIL 0800, THEN SNOW
LIKELY UNTIL 1100, THEN SLIGHT CHANCE OF SNOW
UNTIL 1400.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....21-31.
24 HR TREND......15-20 DEGREES COOLER.
MIN HUMIDITY........24-32%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTH WINDS 6-14 MPH WITH GUSTS TO AROUND
25 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 6-14 MPH WITH GUSTS TO
AROUND 30 MPH.
CWR.................20 PERCENT DECREASING TO 0 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....NORTHWEST 50-60 MPH.
MIXING HEIGHT.......3500-4500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH UNTIL 0800, THEN 20-25 MPH
UNTIL 1000, THEN 25-30 MPH UNTIL 1600, THEN
AROUND 20 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0900, THEN GOOD UNTIL 1500, THEN
POOR.
SUNDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....10-18.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........33-43%.
24 HR TREND......25-35% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 4-9 MPH. GUSTS UP TO 20 MPH IN
THE EVENING.
RIDGES/UPR SLOPES....WEST WINDS 4-12 MPH. GUSTS UP TO 20 MPH IN
THE EVENING.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 35-45 MPH.
MIXING HEIGHT.......1500 FT AGL.
TRANSPORT WINDS.....WEST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....35-45.
24 HR TREND......7-10 DEGREES WARMER.
MIN HUMIDITY........17-27%.
24 HR TREND......7-10% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 4-8 MPH.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 4-8 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 20-30 MPH.
MIXING HEIGHT.......2500-3500 FT AGL.
TRANSPORT WINDS.....WEST AROUND 10 MPH UNTIL 1100, THEN LIGHT UNTIL
1200, THEN WEST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 20S. WEST WINDS
4-9 MPH.
TUESDAY
MOSTLY CLEAR. HIGHS IN THE UPPER 40S. WEST WINDS
4-8 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS IN THE
LOWER 50S. WEST WINDS 4-9 MPH.
NEW YEARS DAY
MOSTLY CLOUDY. LOWS AROUND 30. HIGHS IN THE MID
50S. WEST WINDS 4-9 MPH.
COZ211-281115-
JACKSON COUNTY BELOW 9000 FEET-
INCLUDING GOULD, NORTH PARK, RAND, SPICER, AND WALDEN
311 PM MST SAT DEC 27 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SNOW UNTIL 2300, THEN SNOW
LIKELY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....7-11.
24 HR TREND......15-20 DEGREES COOLER.
MAX HUMIDITY........78-86%.
24 HR TREND......10-15% DRIER.
20-FOOT WINDS.......WEST WINDS 9-16 MPH WITH GUSTS TO AROUND 30
MPH.
CWR.................40 PERCENT DECREASING TO 30 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 40-50 MPH.
MIXING HEIGHT.......2500-3500 FT AGL.
TRANSPORT WINDS.....WEST 15-20 MPH.
SMOKE DISPERSAL.....POOR.
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1100, THEN PARTLY
CLOUDY(30-40%) UNTIL 1400, THEN MOSTLY SUNNY.
CHANCE OF SNOW UNTIL 1100.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....15-19.
24 HR TREND......15-20 DEGREES COOLER.
MIN HUMIDITY........39-47%.
24 HR TREND......15-20% DRIER.
20-FOOT WINDS.......WEST WINDS 10-20 MPH WITH GUSTS TO AROUND 30
MPH.
CWR.................10 PERCENT DECREASING TO 0 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....NORTHWEST 45-55 MPH.
MIXING HEIGHT.......3000-4000 FT AGL.
TRANSPORT WINDS.....WEST 20-25 MPH UNTIL 1600, THEN AROUND 15 MPH.
SMOKE DISPERSAL.....GOOD UNTIL 1600, THEN POOR.
SUNDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....2 BELOW TO 4 ABOVE ZERO.
24 HR TREND......7-10 DEGREES COOLER.
MAX HUMIDITY........62-72%.
24 HR TREND......10-15% DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS 4-12 MPH. GUSTS UP TO 20 MPH IN
THE EVENING.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 35-45 MPH.
MIXING HEIGHT.......1000-1500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 10-15 MPH.
SMOKE DISPERSAL.....POOR.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....28-32.
24 HR TREND......10-15 DEGREES WARMER.
MIN HUMIDITY........30-38%.
24 HR TREND......10-15% DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS 5-13 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 20-30 MPH.
MIXING HEIGHT.......1000-2000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 9. SOUTH WINDS 4-9 MPH.
TUESDAY
MOSTLY CLEAR. HIGHS IN THE UPPER 30S. SOUTHWEST WINDS
4-9 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS AROUND 14. HIGHS IN THE LOWER
40S. SOUTHWEST WINDS 5-12 MPH.
NEW YEARS DAY
PARTLY CLOUDY. LOWS AROUND 18. HIGHS IN THE
LOWER 40S. SOUTH WINDS 6-13 MPH.
COZ213-281115-
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
311 PM MST SAT DEC 27 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SNOW LIKELY UNTIL 2000, THEN
SNOW.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....9-13.
24 HR TREND......15-20 DEGREES COOLER.
MAX HUMIDITY........74-84%.
24 HR TREND......10-15% WETTER.
20-FOOT WINDS.......WEST WINDS 7-14 MPH WITH GUSTS TO AROUND 25
MPH.
CWR.................40 PERCENT.
15K FT MSL WINDS....WEST 40-50 MPH.
MIXING HEIGHT.......2500-3500 FT AGL.
TRANSPORT WINDS.....WEST 15-20 MPH.
SMOKE DISPERSAL.....POOR.
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1100, THEN PARTLY
CLOUDY(30-40%). SNOW LIKELY UNTIL 0800, THEN
CHANCE OF SNOW UNTIL 1100, THEN SLIGHT CHANCE
OF SNOW.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....15-21.
24 HR TREND......20-25 DEGREES COOLER.
MIN HUMIDITY........35-45%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......WEST WINDS 8-16 MPH WITH GUSTS TO AROUND 25
MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....NORTHWEST 50-60 MPH.
MIXING HEIGHT.......3500-4500 FT AGL.
TRANSPORT WINDS.....WEST 25-30 MPH UNTIL 1400, THEN 15-20 MPH.
SMOKE DISPERSAL.....GOOD UNTIL 1500, THEN POOR.
SUNDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....2 BELOW TO 6 ABOVE ZERO.
24 HR TREND......7-10 DEGREES COOLER.
MAX HUMIDITY........63-73%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......WEST WINDS 4-7 MPH UNTIL 2300, THEN SOUTHWEST
4-6 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 30-40 MPH.
MIXING HEIGHT.......1500 FT AGL.
TRANSPORT WINDS.....WEST AROUND 10 MPH UNTIL 2000, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....26-34.
24 HR TREND......10-15 DEGREES WARMER.
MIN HUMIDITY........25-35%.
24 HR TREND......10-15% DRIER.
20-FOOT WINDS.......SOUTH WINDS 4-6 MPH UNTIL 1100, THEN WEST.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 20-30 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS.
SMOKE DISPERSAL.....POOR.
MONDAY NIGHT
CLEAR. LOWS AROUND 8. SOUTHWEST WINDS 4-6 MPH.
TUESDAY
MOSTLY CLEAR. HIGHS IN THE UPPER 30S. SOUTHWEST WINDS
4-6 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS AROUND 13. HIGHS AROUND 40.
SOUTHWEST WINDS 4-6 MPH.
NEW YEARS DAY
MOSTLY CLOUDY. LOWS AROUND 16. HIGHS IN THE
LOWER 40S. SOUTHWEST WINDS 4-6 MPH.
COZ214-281115-
CENTRAL AND SOUTHEAST PARK COUNTY-
INCLUDING ELEVEN MILE CANYON RESERVOIR, FAIRPLAY, GUFFEY,
HARTSEL, LAKE GEORGE, AND SOUTH PARK
311 PM MST SAT DEC 27 2025
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 2300, THEN MOSTLY
CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 2300, THEN
SNOW LIKELY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....11-17.
24 HR TREND......10-15 DEGREES COOLER.
MAX HUMIDITY........64-70%.
24 HR TREND......2-4% 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
35 MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 40-50 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....WEST 15-20 MPH.
SMOKE DISPERSAL.....POOR.
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1100, THEN PARTLY
CLOUDY(30-40%). SNOW LIKELY UNTIL 1100, THEN
SLIGHT CHANCE OF SNOW.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....20-28.
24 HR TREND......10-15 DEGREES COOLER.
MIN HUMIDITY........17-23%.
24 HR TREND......15-20% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHWEST WINDS 10-18 MPH WITH GUSTS TO
AROUND 30 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 10-18 MPH WITH GUSTS TO
AROUND 30 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....NORTHWEST 50-60 MPH.
MIXING HEIGHT.......3000-4000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 20-25 MPH UNTIL 0800, THEN 30-35 MPH
UNTIL 1600, THEN AROUND 25 MPH.
SMOKE DISPERSAL.....POOR UNTIL 0800, THEN VERY GOOD UNTIL 1500,
THEN FAIR.
SUNDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....5-13.
24 HR TREND......4-7 DEGREES COOLER.
MAX HUMIDITY........34-44%.
24 HR TREND......25-35% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHWEST WINDS 4-12 MPH. GUSTS UP TO 20
MPH IN THE EVENING.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5-13 MPH WITH GUSTS TO
AROUND 20 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 30-40 MPH.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH.
SMOKE DISPERSAL.....POOR.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....32-40.
24 HR TREND......7-10 DEGREES WARMER.
MIN HUMIDITY........15-19%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 4-8 MPH.
RIDGES/UPR SLOPES....WEST WINDS 4-9 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 15-25 MPH.
MIXING HEIGHT.......1000 FT AGL UNTIL 0800, THEN BELOW 1000 FT AGL
UNTIL 0900, THEN 2000-3000 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
MONDAY NIGHT
CLEAR. LOWS AROUND 16. WEST WINDS 4-8 MPH.
TUESDAY
MOSTLY CLEAR. HIGHS IN THE MID 40S. WEST WINDS
4-8 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 20S. HIGHS IN THE
UPPER 40S. WEST WINDS 4-9 MPH.
NEW YEARS DAY
MOSTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN THE
UPPER 40S. WEST WINDS 5-12 MPH.
COZ218-281115-
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
311 PM MST SAT DEC 27 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SNOW. PATCHY BLOWING SNOW AFTER
2100.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....1 BELOW TO 9 ABOVE ZERO.
24 HR TREND......20-25 DEGREES COOLER.
MAX HUMIDITY........79-89%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 9-17 MPH WITH GUSTS TO AROUND
30 MPH.
RIDGES/UPR SLOPES....WEST WINDS 12-22 MPH WITH GUSTS TO AROUND
35 MPH.
CWR.................60 PERCENT DECREASING TO 50 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 45-55 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....WEST 20-25 MPH.
SMOKE DISPERSAL.....POOR.
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1100, THEN PARTLY
CLOUDY(30-35%). PATCHY BLOWING SNOW UNTIL 1100.
SNOW LIKELY UNTIL 0800. CHANCE OF SNOW AFTER
0800 UNTIL 1100, THEN SLIGHT CHANCE OF SNOW.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....7-15.
24 HR TREND......10-15 DEGREES COOLER.
MIN HUMIDITY........41-51%.
24 HR TREND......10-15% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 12-20 MPH. GUSTS UP TO 30 MPH
INCREASING TO 40 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....WEST WINDS 13-23 MPH WITH GUSTS TO AROUND
40 MPH.
CWR.................20 PERCENT DECREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....NORTHWEST 50-60 MPH.
MIXING HEIGHT.......2500-3500 FT AGL.
TRANSPORT WINDS.....WEST 25-30 MPH UNTIL 1200, THEN 30-35 MPH UNTIL
1600, THEN AROUND 25 MPH.
SMOKE DISPERSAL.....FAIR UNTIL 0900, THEN GOOD UNTIL 1500, THEN
POOR.
SUNDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....3 BELOW TO 7 ABOVE ZERO.
24 HR TREND......4-7 DEGREES COOLER.
MAX HUMIDITY........51-61%.
24 HR TREND......25-35% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5-13 MPH WITH GUSTS TO
AROUND 30 MPH.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 6-14 MPH WITH GUSTS TO
AROUND 35 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 35-45 MPH.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....WEST 15-20 MPH.
SMOKE DISPERSAL.....POOR.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....19-29.
24 HR TREND......10-15 DEGREES WARMER.
MIN HUMIDITY........29-39%.
24 HR TREND......10-15% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 4-9 MPH WITH GUSTS TO
AROUND 25 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5-13 MPH WITH GUSTS TO AROUND
25 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 20-30 MPH.
MIXING HEIGHT.......1000 FT AGL UNTIL 0700, THEN BELOW 1000 FT AGL
UNTIL 0900, THEN 1000-2000 FT AGL.
TRANSPORT WINDS.....WEST 10-15 MPH.
SMOKE DISPERSAL.....POOR.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 12. SOUTHWEST WINDS
6-13 MPH.
TUESDAY
MOSTLY CLEAR. HIGHS IN THE LOWER 30S. WEST WINDS
4-9 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS AROUND 16. HIGHS IN THE MID 30S.
SOUTHWEST WINDS 6-13 MPH.
NEW YEARS DAY
PARTLY CLOUDY. LOWS AROUND 20. HIGHS IN THE
UPPER 30S. SOUTHWEST WINDS 6-13 MPH.
COZ212-281115-
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
311 PM MST SAT DEC 27 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY(60-65%). PATCHY BLOWING SNOW
UNTIL 0300PATCHY BLOWING SNOW AFTER 0300. SNOW
LIKELY UNTIL 2000. SNOW AFTER 2000.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....ZERO TO 10 ABOVE ZERO.
24 HR TREND......15-20 DEGREES COOLER.
MAX HUMIDITY........74-84%.
24 HR TREND......10-15% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 9-17 MPH WITH GUSTS TO AROUND
35 MPH.
RIDGES/UPR SLOPES....BREEZY. WEST WINDS 12-22 MPH WITH GUSTS TO
AROUND 40 MPH.
CWR.................30 PERCENT INCREASING TO 50 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 40-50 MPH.
MIXING HEIGHT.......2000-3000 FT AGL.
TRANSPORT WINDS.....WEST 20-25 MPH.
SMOKE DISPERSAL.....POOR.
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1100, THEN PARTLY
CLOUDY(30-40%). PATCHY BLOWING SNOW UNTIL
1000BLOWING SNOW AFTER 1000 UNTIL 1100. SNOW
UNTIL 1100, THEN CHANCE OF SNOW.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....9-19.
24 HR TREND......20-25 DEGREES COOLER.
MIN HUMIDITY........30-40%.
24 HR TREND......2-4% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHWEST WINDS 13-23 MPH. GUSTS UP TO 35
MPH INCREASING TO 45 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....BREEZY. NORTHWEST WINDS 16-26 MPH WITH
GUSTS TO AROUND 45 MPH.
CWR.................20 PERCENT DECREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....NORTHWEST 55-65 MPH.
MIXING HEIGHT.......3000-4000 FT AGL.
TRANSPORT WINDS.....WEST 25-30 MPH UNTIL 0900, THEN NORTHWEST 35-40
MPH UNTIL 1500, THEN 25-30 MPH.
SMOKE DISPERSAL.....FAIR UNTIL 0800, THEN GOOD UNTIL 1500, THEN
POOR.
SUNDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....1 BELOW TO 9 ABOVE ZERO.
24 HR TREND......2-4 DEGREES COOLER.
MAX HUMIDITY........39-49%.
24 HR TREND......35-50% DRIER.
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
35 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 30-40 MPH.
MIXING HEIGHT.......1000-1500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 15-20 MPH.
SMOKE DISPERSAL.....POOR.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....22-32.
24 HR TREND......7-10 DEGREES WARMER.
MIN HUMIDITY........22-32%.
24 HR TREND......10-15% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 4-12 MPH WITH GUSTS TO AROUND
25 MPH.
RIDGES/UPR SLOPES....WEST WINDS 5-13 MPH. GUSTS UP TO 30 MPH
DECREASING TO 20 MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 20-30 MPH.
MIXING HEIGHT.......2000-3000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH.
SMOKE DISPERSAL.....POOR.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 13. WEST WINDS
6-13 MPH.
TUESDAY
MOSTLY CLEAR. HIGHS IN THE MID 30S. WEST WINDS
4-9 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS AROUND 18. HIGHS IN THE UPPER
30S. WEST WINDS 7-14 MPH.
NEW YEARS DAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW. LOWS IN
THE LOWER 20S. HIGHS IN THE UPPER 30S. WEST WINDS 6-13 MPH.
COZ217-281115-
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
INCLUDING EAST SLOPES PARK AND NORTHERN GORE RANGES, GORE PASS,
AND RABBIT EARS PASS
311 PM MST SAT DEC 27 2025
TONIGHT
SKY/WEATHER.........CLOUDY. BLOWING SNOW UNTIL 2300AREAS OF BLOWING
SNOW AFTER 2300. SNOW.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....2-10.
24 HR TREND......15-20 DEGREES COOLER.
MAX HUMIDITY........85-95%.
24 HR TREND......10-15% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 9-17 MPH WITH GUSTS TO AROUND
35 MPH.
RIDGES/UPR SLOPES....BREEZY. WEST WINDS 13-23 MPH WITH GUSTS TO
AROUND 40 MPH.
CWR.................70 PERCENT DECREASING TO 40 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 40-50 MPH.
MIXING HEIGHT.......1000-2000 FT AGL.
TRANSPORT WINDS.....WEST 20-25 MPH.
SMOKE DISPERSAL.....POOR.
SUNDAY
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1100, THEN PARTLY
CLOUDY(30-35%). PATCHY BLOWING SNOW UNTIL
0700BLOWING SNOW AFTER 0700 UNTIL 0800, THEN
PATCHY BLOWING SNOW UNTIL 1100. SNOW LIKELY
UNTIL 0800. CHANCE OF SNOW AFTER 0800 UNTIL
1100. SLIGHT CHANCE OF SNOW AFTER 1400.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....8-18.
24 HR TREND......15-20 DEGREES COOLER.
MIN HUMIDITY........44-54%.
24 HR TREND......15-20% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 10-18 MPH WITH GUSTS TO AROUND
35 MPH.
RIDGES/UPR SLOPES....BREEZY. WEST WINDS 12-22 MPH WITH GUSTS TO
AROUND 40 MPH.
CWR.................10 PERCENT DECREASING TO 0 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....NORTHWEST 45-55 MPH.
MIXING HEIGHT.......2500-3500 FT AGL.
TRANSPORT WINDS.....WEST 25-30 MPH UNTIL 1400, THEN 15-20 MPH.
SMOKE DISPERSAL.....FAIR UNTIL 1600, THEN POOR.
SUNDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....2 BELOW TO 4 ABOVE ZERO.
24 HR TREND......2-4 DEGREES COOLER.
MAX HUMIDITY........60-70%.
24 HR TREND......15-20% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 4-12 MPH. GUSTS UP TO 20
MPH IN THE EVENING.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 5-13 MPH WITH GUSTS TO
AROUND 25 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 30-40 MPH.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....WEST 10-15 MPH.
SMOKE DISPERSAL.....POOR.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....19-29.
24 HR TREND......10-15 DEGREES WARMER.
MIN HUMIDITY........37-47%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 4-9 MPH.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 5-13 MPH. GUSTS UP TO 20
MPH IN THE MORNING.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 20-30 MPH.
MIXING HEIGHT.......1000 FT AGL UNTIL 0800, THEN BELOW 1000 FT AGL
UNTIL 0900, THEN 1000-2000 FT AGL.
TRANSPORT WINDS.....WEST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
MONDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 9. SOUTHWEST WINDS
4-9 MPH.
TUESDAY
MOSTLY CLEAR. HIGHS IN THE LOWER 30S. SOUTHWEST WINDS
4-8 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS AROUND 14. HIGHS IN THE MID 30S.
SOUTHWEST WINDS 4-9 MPH.
NEW YEARS DAY
PARTLY CLOUDY. LOWS AROUND 17. HIGHS IN THE MID
30S. SOUTHWEST WINDS 5-12 MPH.
OUTLOOK 6 TO 10 DAYS
TEMPERATURES ABOVE NORMAL AND PRECIPITATION ABOVE NORMAL.
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