016
FNUS55 KBOU 162110
FWFBOU
FIRE WEATHER FORECAST FOR NORTHEAST AND NORTH CENTRAL COLORADO
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
310 PM MDT TUE SEP 16 2025
DISCUSSION...TONIGHT AND WEDNESDAY
SCATTERED SHOWERS AND
THUNDERSTORMS WILL CONTINUE THIS EVENING, DIMINISHING OVERNIGHT.
ANOTHER ROUND OF SCATTERED SHOWERS AND STORMS IS EXPECTED LATE
WEDNESDAY INTO WEDNESDAY NIGHT. TEMPERATURES WILL BE COOLER WITH
HIGHER HUMIDITIES.
LONG TERM DISCUSSION...WEDNESDAY NIGHT THROUGH SUNDAY...LINGERING
SHOWERS WILL DIMINISH INTO EARLY THURSDAY, THEN THERE WILL BE LESS
NUMEROUS SHOWERS AND STORMS THURSDAY AFTERNOON. IT WILL BE WARMER
AND DRIER FOR FRIDAY AND THE WEEKEND, WITH ISOLATED STORMS
POSSIBLE OVER THE MOUNTAINS. WINDS WILL BE LIGHT FRIDAY AND
SATURDAY, AND THERE MAY BE BREEZY CONDITIONS SUNDAY BUT CRITICAL
FIRE WEATHER CONDITIONS ARE NOT EXPECTED.
...THUNDERSTORMS IMPLY STRONG GUSTY ERRATIC WINDS...
...ALL SURFACE WINDS ARE 20-FOOT...10-MINUTE AVERAGED WINDS...
...CWR IS CHANCE OF WETTING RAIN - 0.10 INCH OR MORE LIQUID...
...24 HR TRENDS ARE BASED ON AVERAGES OVER THE RESPECTIVE ZONE
GROUPS AND MAY NOT MATCH THE ACTUAL FORECAST VALUES
SHOWN IN THOSE GROUPS...
COZ238-171015-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
INCLUDING FORT COLLINS, HEREFORD, LOVELAND, NUNN,
AND WEST PAWNEE GRASSLANDS
310 PM MDT TUE SEP 16 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY UNTIL 2200.
CHANCE OF THUNDERSTORMS UNTIL 0300, THEN CHANCE
OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...40 PERCENT.
MIN TEMPERATURE.....47-51.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........89-99%.
24 HR TREND......20-25% WETTER.
20-FOOT WINDS.......NORTH WINDS 4-12 MPH. GUSTS UP TO 20 MPH IN THE
EVENING.
CWR.................40 PERCENT DECREASING TO 20 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 15-20 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTH 10-15 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS UNTIL
1200, THEN CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....64-70.
24 HR TREND......4-7 DEGREES COOLER.
MIN HUMIDITY........46-52%.
24 HR TREND......20-25% WETTER.
20-FOOT WINDS.......NORTH WINDS 9-17 MPH WITH GUSTS TO AROUND 25
MPH.
CWR.................20 PERCENT INCREASING TO 30 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......5000-6000 FT AGL.
TRANSPORT WINDS.....NORTH 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY(60-65%). SLIGHT CHANCE OF
THUNDERSTORMS UNTIL 2100. CHANCE OF RAIN
SHOWERS.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....45-49.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........83-93%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 8-16 MPH. GUSTS UP TO 30 MPH
DECREASING TO 20 MPH AFTER MIDNIGHT.
CWR.................20 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 2300, THEN BELOW 1000 FT
AGL UNTIL 2400, THEN 1000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY(50-60%) UNTIL 0900, THEN PARTLY
CLOUDY(35-45%). SLIGHT CHANCE OF RAIN SHOWERS
UNTIL 1200, THEN SLIGHT CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....66-72.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........39-45%.
24 HR TREND......7-10% DRIER.
20-FOOT WINDS.......NORTH WINDS 7-14 MPH WITH GUSTS TO AROUND 20
MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....NORTHWEST 20-30 MPH.
MIXING HEIGHT.......6000-7000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH UNTIL 1700, THEN NORTHEAST.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN FAIR.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. SOUTHEAST
WINDS 4-8 MPH.
FRIDAY
MOSTLY CLEAR. HIGHS IN THE UPPER 70S. SOUTH WINDS
4-8 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 80S. WEST WINDS 4-9 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS AROUND 80.
NORTHWEST WINDS 7-14 MPH.
COZ239-171015-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
INCLUDING ARVADA, BOULDER, GOLDEN, LAKEWOOD, AND LONGMONT
310 PM MDT TUE SEP 16 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS UNTIL
2400, THEN CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...30 PERCENT.
MIN TEMPERATURE.....47-51.
24 HR TREND......2-4 DEGREES COOLER.
MAX HUMIDITY........87-97%.
24 HR TREND......35-50% WETTER.
20-FOOT WINDS.......NORTHWEST WINDS 4-8 MPH.
CWR.................30 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 15-25 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH UNTIL 2100, THEN LIGHT
UNTIL 2200, THEN NORTHWEST AROUND 10 MPH UNTIL
2300, THEN NORTH UNTIL 2400, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY(50-60%) UNTIL 0900, THEN MOSTLY
CLOUDY(50-60%). SLIGHT CHANCE OF RAIN SHOWERS
UNTIL 1200, THEN CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....67-71.
24 HR TREND......4-7 DEGREES COOLER.
MIN HUMIDITY........44-52%.
24 HR TREND......15-20% WETTER.
20-FOOT WINDS.......NORTH WINDS 5-13 MPH.
CWR.................10 PERCENT INCREASING TO 30 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......5000-6000 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1300, THEN NORTHEAST AROUND
10 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100. CHANCE OF RAIN SHOWERS UNTIL 2400,
THEN SLIGHT CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....46-50.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........82-92%.
24 HR TREND......10-15% DRIER.
20-FOOT WINDS.......NORTH WINDS 4-8 MPH UNTIL 2400, THEN WEST 4-5
MPH.
CWR.................20 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 10 MPH UNTIL 1900, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%). SLIGHT CHANCE OF RAIN
SHOWERS UNTIL 1200. SLIGHT CHANCE OF
THUNDERSTORMS AFTER 1200.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....69-73.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........42-50%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......NORTH WINDS 4-6 MPH UNTIL 1200, THEN EAST 4-8
MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....NORTHWEST 20-30 MPH.
MIXING HEIGHT.......5500-6500 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS.
SMOKE DISPERSAL.....POOR.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS 4-7 MPH.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 70S. SOUTHEAST WINDS
4-8 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
LOWER 80S. WEST WINDS 4-8 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE LOWER
80S. WEST WINDS 4-9 MPH.
COZ240-171015-
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
310 PM MDT TUE SEP 16 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS UNTIL
2400, THEN CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...30 PERCENT.
MIN TEMPERATURE.....49-53.
24 HR TREND......2-4 DEGREES COOLER.
MAX HUMIDITY........85-95%.
24 HR TREND......25-35% WETTER.
20-FOOT WINDS.......NORTHWEST WINDS 4-12 MPH. GUSTS UP TO 20 MPH IN
THE EVENING.
CWR.................20 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 15-20 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTH 10-15 MPH UNTIL 0100, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 1200, THEN MOSTLY
CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS UNTIL
1200, THEN CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS UNTIL 1500, THEN CHANCE
OF THUNDERSTORMS.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....68-72.
24 HR TREND......4-7 DEGREES COOLER.
MIN HUMIDITY........40-46%.
24 HR TREND......7-10% WETTER.
20-FOOT WINDS.......NORTH WINDS 5-13 MPH. GUSTS UP TO 20 MPH IN THE
AFTERNOON.
CWR.................0 PERCENT INCREASING TO 30 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......5500-6500 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1100, THEN NORTH AROUND 10
MPH.
SMOKE DISPERSAL.....POOR UNTIL 1500, THEN FAIR.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100. CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....47-51.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........78-86%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......NORTH WINDS 4-9 MPH WITH GUSTS TO AROUND 20 MPH
UNTIL 2400, THEN SOUTHWEST 4-8 MPH.
CWR.................30 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 10 MPH UNTIL 2100, THEN SOUTHEAST
UNTIL 2300, THEN LIGHT UNTIL 0300, THEN NORTH
AROUND 10 MPH UNTIL 0400, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%). SLIGHT CHANCE OF RAIN
SHOWERS UNTIL 1500. SLIGHT CHANCE OF
THUNDERSTORMS AFTER 1500.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....69-73.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........36-42%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 4-8 MPH UNTIL 1200, THEN
NORTHEAST 4-12 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....NORTHWEST 20-30 MPH.
MIXING HEIGHT.......5500-6500 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1100, THEN NORTH AROUND 10
MPH UNTIL 1700, THEN NORTHEAST.
SMOKE DISPERSAL.....POOR.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. SOUTH
WINDS 4-8 MPH.
FRIDAY
MOSTLY CLEAR. HIGHS IN THE UPPER 70S. SOUTHEAST WINDS
4-8 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
MID 80S. SOUTHWEST WINDS 4-8 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE LOWER
80S. WEST WINDS 4-13 MPH.
COZ241-171015-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING CASTLE ROCK, ELBERT, FONDIS, KIOWA, AND LARKSPUR
310 PM MDT TUE SEP 16 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY(60-65%). CHANCE OF THUNDERSTORMS
UNTIL 2400, THEN CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...30 PERCENT.
MIN TEMPERATURE.....46-50.
24 HR TREND......2-4 DEGREES COOLER.
MAX HUMIDITY........94-98%.
24 HR TREND......25-35% WETTER.
20-FOOT WINDS.......NORTHWEST WINDS 5-13 MPH. GUSTS UP TO 20 MPH IN
THE EVENING.
CWR.................30 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 1200, THEN MOSTLY
CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS AFTER 1200 UNTIL 1500,
THEN CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....65-69.
24 HR TREND......4-7 DEGREES COOLER.
MIN HUMIDITY........47-55%.
24 HR TREND......15-20% WETTER.
20-FOOT WINDS.......NORTH WINDS 6-14 MPH WITH GUSTS TO AROUND 25
MPH.
CWR.................0 PERCENT INCREASING TO 30 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......5000-6000 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH UNTIL 1400, THEN
NORTHEAST.
SMOKE DISPERSAL.....POOR.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS UNTIL 2400, THEN CHANCE OF
RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....44-48.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........86-96%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTH WINDS 6-13 MPH WITH GUSTS TO AROUND 25
MPH UNTIL 2400, THEN WEST 4-8 MPH.
CWR.................40 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTHEAST 10-15 MPH UNTIL 0200, THEN NORTHWEST.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY(40-50%). SLIGHT CHANCE OF RAIN
SHOWERS UNTIL 1200, THEN CHANCE OF RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....64-70.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........43-53%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 4-9 MPH UNTIL 1200, THEN
NORTHEAST 6-12 MPH. GUSTS UP TO 20 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....NORTHWEST 20-30 MPH.
MIXING HEIGHT.......5000-6000 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 10 MPH UNTIL 1700, THEN NORTHEAST.
SMOKE DISPERSAL.....POOR.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. SOUTH WINDS
4-9 MPH.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE MID 70S. SOUTH WINDS
4-9 MPH.
SATURDAY
PARTLY CLOUDY. LOWS AROUND 50. HIGHS AROUND 80.
SOUTHWEST WINDS 4-9 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
UPPER 70S. NORTHWEST WINDS 6-10 MPH.
COZ242-171015-
NORTHEAST WELD COUNTY-
INCLUDING BRIGGSDALE, EAST PAWNEE GRASSLANDS, GROVER,
PAWNEE BUTTES, RAYMER, AND STONEHAM
310 PM MDT TUE SEP 16 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY UNTIL 2400.
CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...40 PERCENT.
MIN TEMPERATURE.....49-53.
24 HR TREND......2-4 DEGREES COOLER.
MAX HUMIDITY........98-100%.
24 HR TREND......15-20% WETTER.
20-FOOT WINDS.......NORTH WINDS 6-14 MPH WITH GUSTS TO AROUND 20
MPH.
CWR.................40 PERCENT DECREASING TO 20 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 15-25 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTH 15-20 MPH UNTIL 0200, THEN AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS UNTIL 1200, THEN
CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....64-70.
24 HR TREND......7-10 DEGREES COOLER.
MIN HUMIDITY........47-57%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......NORTH WINDS 10-18 MPH WITH GUSTS TO AROUND 30
MPH.
CWR.................20 PERCENT INCREASING TO 30 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......4500-5500 FT AGL.
TRANSPORT WINDS.....NORTH 15-20 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1300, THEN GOOD.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2400. CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....47-51.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........90-98%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 9-17 MPH. GUSTS UP TO 30 MPH IN
THE EVENING.
CWR.................20 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 30-40 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 15-20 MPH.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY(55-60%) UNTIL 1200, THEN PARTLY
CLOUDY(30-40%). CHANCE OF RAIN SHOWERS UNTIL
1200, THEN SLIGHT CHANCE OF RAIN SHOWERS UNTIL
1500, THEN SLIGHT CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....66-71.
24 HR TREND......2-4 DEGREES WARMER.
MIN HUMIDITY........40-48%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......NORTH WINDS 8-16 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....NORTHWEST 15-25 MPH.
MIXING HEIGHT.......5500-6500 FT AGL.
TRANSPORT WINDS.....NORTH 15-20 MPH UNTIL 1700, THEN AROUND 10 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN FAIR.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. SOUTHEAST
WINDS 4-8 MPH.
FRIDAY
MOSTLY CLEAR. HIGHS IN THE UPPER 70S. SOUTH WINDS
4-8 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
MID 80S. WEST WINDS 4-8 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER
80S. NORTHWEST WINDS 7-14 MPH.
COZ243-171015-
CENTRAL AND SOUTH WELD COUNTY-
INCLUDING EATON, FORT LUPTON, GREELEY, AND ROGGEN
310 PM MDT TUE SEP 16 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY UNTIL 2400.
CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...40 PERCENT.
MIN TEMPERATURE.....48-52.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........96-99%.
24 HR TREND......10-15% WETTER.
20-FOOT WINDS.......NORTH WINDS 4-12 MPH. GUSTS UP TO 20 MPH IN THE
EVENING.
CWR.................30 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 15-25 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTH 10-15 MPH UNTIL 0200, THEN LIGHT UNTIL
0300, THEN NORTHWEST AROUND 10 MPH UNTIL 0500,
THEN LIGHT.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY(55-60%). SLIGHT CHANCE OF RAIN
SHOWERS UNTIL 1200, THEN CHANCE OF RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....68-72.
24 HR TREND......4-7 DEGREES COOLER.
MIN HUMIDITY........44-50%.
24 HR TREND......10-15% WETTER.
20-FOOT WINDS.......NORTH WINDS 7-15 MPH WITH GUSTS TO AROUND 25
MPH.
CWR.................10 PERCENT INCREASING TO 20 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.....LIGHT WINDS UNTIL 0800, THEN NORTH 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1300, THEN GOOD.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100. CHANCE OF RAIN SHOWERS UNTIL 2400,
THEN SLIGHT CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....47-51.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........87-95%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 5-13 MPH. GUSTS UP TO 25 MPH IN
THE EVENING.
CWR.................20 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 2100, THEN BELOW 1000 FT
AGL UNTIL 0500, THEN 1000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH UNTIL 2400, THEN LIGHT
UNTIL 0200, THEN NORTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY(55-60%) UNTIL 0900, THEN PARTLY
CLOUDY(35-45%). SLIGHT CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....69-73.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........40-46%.
24 HR TREND......4-7% DRIER.
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 20-30 MPH.
MIXING HEIGHT.......6000-7000 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH UNTIL 1700, THEN
NORTHEAST.
SMOKE DISPERSAL.....POOR.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. SOUTHEAST
WINDS 4-7 MPH.
FRIDAY
MOSTLY CLEAR. HIGHS IN THE UPPER 70S. SOUTH WINDS
4-7 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
MID 80S. SOUTHWEST WINDS 4-8 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
LOWER 80S. NORTHWEST WINDS 4-9 MPH.
COZ244-171015-
MORGAN COUNTY-
INCLUDING BRUSH, FORT MORGAN, GOODRICH, AND WIGGINS
310 PM MDT TUE SEP 16 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS UNTIL 2400, THEN CHANCE OF
RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...40 PERCENT.
MIN TEMPERATURE.....50-54.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........97-99%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......NORTH WINDS 5-13 MPH. GUSTS UP TO 20 MPH IN THE
EVENING.
CWR.................30 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 15-20 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTH 15-20 MPH UNTIL 0100, THEN NORTHWEST
AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY(60-65%). CHANCE OF RAIN SHOWERS.
SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....68-72.
24 HR TREND......7-10 DEGREES COOLER.
MIN HUMIDITY........48-56%.
24 HR TREND......10-15% WETTER.
20-FOOT WINDS.......NORTHWEST WINDS 9-17 MPH WITH GUSTS TO AROUND
25 MPH.
CWR.................10 PERCENT INCREASING TO 30 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......5000-6000 FT AGL.
TRANSPORT WINDS.....NORTH 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100. CHANCE OF RAIN SHOWERS UNTIL 2400,
THEN SLIGHT CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....48-52.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........91-99%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 8-16 MPH WITH GUSTS TO AROUND
25 MPH.
CWR.................20 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH.
SMOKE DISPERSAL.....GOOD UNTIL 1900, THEN POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY(50-60%) UNTIL 1200, THEN PARTLY
CLOUDY(35-45%). SLIGHT CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....69-73.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........45-51%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 8-14 MPH WITH GUSTS TO AROUND
20 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....NORTHWEST 15-25 MPH.
MIXING HEIGHT.......5000-6000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH UNTIL 1700, THEN NORTH.
SMOKE DISPERSAL.....POOR UNTIL 1300, THEN FAIR.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. SOUTHEAST
WINDS 4-9 MPH.
FRIDAY
MOSTLY CLEAR. HIGHS AROUND 80. SOUTH WINDS 4-9 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
MID 80S. SOUTHWEST WINDS 4-9 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE MID
80S. NORTHWEST WINDS 5-12 MPH.
COZ245-171015-
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-
INCLUDING BENNETT, BYERS, DEER TRAIL, AND LEADER
310 PM MDT TUE SEP 16 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS UNTIL 2400, THEN CHANCE OF
RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...40 PERCENT.
MIN TEMPERATURE.....49-53.
24 HR TREND......2-4 DEGREES COOLER.
MAX HUMIDITY........94-98%.
24 HR TREND......15-20% WETTER.
20-FOOT WINDS.......NORTHWEST WINDS 6-14 MPH.
CWR.................30 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 15-20 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....WEST AROUND 15 MPH UNTIL 2100, THEN NORTHWEST.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY(50-60%) UNTIL 0900, THEN PARTLY
CLOUDY(40-50%) UNTIL 1200, THEN 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.....68-72.
24 HR TREND......7-10 DEGREES COOLER.
MIN HUMIDITY........43-49%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......NORTH WINDS 7-15 MPH WITH GUSTS TO AROUND 25
MPH.
CWR.................10 PERCENT INCREASING TO 20 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......5000-6000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH UNTIL 1600, THEN NORTH.
SMOKE DISPERSAL.....POOR UNTIL 1300, THEN GOOD.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100. CHANCE OF RAIN SHOWERS. SLIGHT
CHANCE OF THUNDERSTORMS AFTER 0300.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....47-51.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........86-94%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......NORTH WINDS 7-14 MPH WITH GUSTS TO AROUND 25
MPH UNTIL 2400, THEN WEST 6-10 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.....NORTH 10-15 MPH UNTIL 2200, THEN NORTHWEST.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY(50-60%) UNTIL 0900, THEN PARTLY
CLOUDY(35-45%). SLIGHT CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....68-72.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........38-44%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......NORTH WINDS 7-14 MPH WITH GUSTS TO AROUND 20
MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....NORTHWEST 20-30 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700, THEN 5500-6500 FT
AGL.
TRANSPORT WINDS.....NORTH 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN FAIR.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. SOUTH
WINDS 6-10 MPH.
FRIDAY
MOSTLY CLEAR. HIGHS IN THE UPPER 70S. SOUTH WINDS
4-9 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
MID 80S. SOUTHWEST WINDS 4-13 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE LOWER
80S. NORTHWEST WINDS 6-12 MPH.
COZ248-171015-
LOGAN COUNTY-
INCLUDING CROOK, MERINO, STERLING, AND PEETZ
310 PM MDT TUE SEP 16 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS UNTIL 2400, THEN CHANCE OF
RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...50 PERCENT.
MIN TEMPERATURE.....51-55.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........98-100%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTH WINDS 7-15 MPH.
CWR.................50 PERCENT DECREASING TO 20 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 20-30 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTH 15-20 MPH UNTIL 0200, THEN AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS UNTIL 1200, THEN
CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....66-70.
24 HR TREND......7-10 DEGREES COOLER.
MIN HUMIDITY........54-64%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......NORTHWEST WINDS 9-17 MPH WITH GUSTS TO AROUND
25 MPH.
CWR.................30 PERCENT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......4000-5000 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1400, THEN GOOD.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2400. CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....49-53.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........97-99%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTHWEST WINDS 9-17 MPH WITH GUSTS TO AROUND
25 MPH.
CWR.................20 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 30-40 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200, THEN PARTLY
CLOUDY(50-60%). CHANCE OF RAIN SHOWERS. SLIGHT
CHANCE OF THUNDERSTORMS AFTER 1200.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....67-71.
24 HR TREND......2-4 DEGREES WARMER.
MIN HUMIDITY........49-57%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 9-17 MPH WITH GUSTS TO AROUND
25 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....WEST 15-25 MPH.
MIXING HEIGHT.......4000-5000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 15-20 MPH.
SMOKE DISPERSAL.....POOR.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. SOUTH WINDS
4-8 MPH.
FRIDAY
MOSTLY CLEAR. HIGHS IN THE UPPER 70S. SOUTH WINDS
4-8 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS 4-8 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER
80S. NORTHWEST WINDS 5-12 MPH.
COZ249-171015-
WASHINGTON COUNTY-
INCLUDING AKRON, COPE, LAST CHANCE, AND OTIS
310 PM MDT TUE SEP 16 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS UNTIL 2400, THEN CHANCE OF
RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...40 PERCENT.
MIN TEMPERATURE.....50-54.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........100%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTH WINDS 7-15 MPH. GUSTS UP TO 25 MPH IN THE
EVENING.
CWR.................40 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 20-30 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....WEST AROUND 15 MPH UNTIL 2000, THEN NORTHWEST.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY(60-65%) UNTIL 0900, THEN PARTLY
CLOUDY(40-50%) UNTIL 1200, THEN MOSTLY
CLOUDY(60-65%). SLIGHT CHANCE OF RAIN SHOWERS
UNTIL 1200, THEN CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....68-72.
24 HR TREND......7-10 DEGREES COOLER.
MIN HUMIDITY........48-56%.
24 HR TREND......10-15% WETTER.
20-FOOT WINDS.......NORTHWEST 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.......4500-5500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 15-20 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1300, THEN GOOD.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2400. CHANCE OF RAIN SHOWERS. SLIGHT
CHANCE OF THUNDERSTORMS AFTER 0300.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....48-52.
24 HR TREND......2-4 DEGREES COOLER.
MAX HUMIDITY........91-99%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 9-17 MPH. GUSTS UP TO 30 MPH
DECREASING TO 20 MPH AFTER MIDNIGHT.
CWR.................20 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.
SMOKE DISPERSAL.....GOOD UNTIL 1900, THEN POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY(60-65%) UNTIL 1500, THEN PARTLY
CLOUDY(40-50%). CHANCE OF RAIN SHOWERS UNTIL
1200, THEN SLIGHT CHANCE OF THUNDERSTORMS UNTIL
1500, THEN SLIGHT CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....68-72.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........45-53%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTHWEST WINDS 10-17 MPH WITH GUSTS TO AROUND
25 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....WEST 15-25 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700, THEN 4500-5500 FT
AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN FAIR.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. SOUTH
WINDS 4-9 MPH.
FRIDAY
MOSTLY CLEAR. HIGHS IN THE UPPER 70S. SOUTH WINDS
5-12 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE MID
80S. SOUTHWEST WINDS 5-12 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID
80S. NORTHWEST WINDS 7-14 MPH.
COZ250-171015-
SEDGWICK COUNTY-
INCLUDING JULESBURG, OVID, AND SEDGWICK
310 PM MDT TUE SEP 16 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS WITH THUNDERSTORMS
LIKELY UNTIL 2400, THEN CHANCE OF RAIN SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...60 PERCENT.
MIN TEMPERATURE.....52-56.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........100%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTHEAST WINDS 6-14 MPH. GUSTS UP TO 25 MPH IN
THE EVENING.
CWR.................60 PERCENT DECREASING TO 20 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 20-30 MPH.
MIXING HEIGHT.......1500 FT AGL.
TRANSPORT WINDS.....NORTHEAST 15-20 MPH UNTIL 0100, THEN NORTH
10-15 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS UNTIL 1200, THEN
CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....66-70.
24 HR TREND......7-10 DEGREES COOLER.
MIN HUMIDITY........63-69%.
24 HR TREND......7-10% WETTER.
20-FOOT WINDS.......NORTH WINDS 7-15 MPH.
CWR.................30 PERCENT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......4000-5000 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS UNTIL
2100, THEN SLIGHT CHANCE OF THUNDERSTORMS UNTIL
2400. CHANCE OF RAIN SHOWERS AFTER 2100.
CHANCE OF THUNDER...30 PERCENT.
MIN TEMPERATURE.....50-54.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........100%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTHWEST WINDS 10-16 MPH WITH GUSTS TO AROUND
25 MPH.
CWR.................20 PERCENT.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 2400, THEN BELOW 1000 FT
AGL UNTIL 0100, THEN 1000 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS. SLIGHT
CHANCE OF THUNDERSTORMS AFTER 1200.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....AROUND 69.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........59-63%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 10-17 MPH WITH GUSTS TO AROUND
25 MPH.
CWR.................20 PERCENT DECREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 15-25 MPH.
MIXING HEIGHT.......3500-4500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 15-20 MPH UNTIL 1700, THEN NORTH.
SMOKE DISPERSAL.....POOR UNTIL 1400, THEN FAIR.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTHWEST
WINDS 4-12 MPH.
FRIDAY
MOSTLY CLEAR. HIGHS IN THE UPPER 70S. SOUTH WINDS
4-12 MPH.
SATURDAY
PARTLY CLOUDY. LOWS AROUND 50. HIGHS IN THE LOWER
80S. SOUTH WINDS 4-12 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE LOWER
80S. WEST WINDS 6-12 MPH.
COZ251-171015-
PHILLIPS COUNTY-
INCLUDING AMHERST, HAXTUN, AND HOLYOKE
310 PM MDT TUE SEP 16 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. THUNDERSTORMS LIKELY UNTIL 2400,
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS.
CHANCE OF THUNDER...60 PERCENT.
MIN TEMPERATURE.....52-56.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........100%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTHEAST WINDS 6-14 MPH.
CWR.................50 PERCENT DECREASING TO 20 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....SOUTHWEST 25-35 MPH.
MIXING HEIGHT.......1000-2000 FT AGL.
TRANSPORT WINDS.....EAST AROUND 15 MPH UNTIL 2100. NORTH AFTER
0300.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS UNTIL
1200. SLIGHT CHANCE OF THUNDERSTORMS AFTER 0900
UNTIL 1200, THEN CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....67-71.
24 HR TREND......7-10 DEGREES COOLER.
MIN HUMIDITY........60-64%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......NORTH WINDS 8-16 MPH WITH GUSTS TO AROUND 25
MPH.
CWR.................30 PERCENT.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......4000-5000 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100. CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....49-53.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........100%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTHWEST WINDS 9-15 MPH WITH GUSTS TO AROUND
25 MPH.
CWR.................20 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......2000-3000 FT AGL UNTIL 2000, THEN BELOW 1000 FT
AGL.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY(60-65%) UNTIL 1500, THEN PARTLY
CLOUDY(40-50%). CHANCE OF RAIN SHOWERS UNTIL
1200, THEN SLIGHT CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....67-71.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........57-61%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTHWEST WINDS 10-16 MPH WITH GUSTS TO AROUND
25 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....WEST 15-25 MPH.
MIXING HEIGHT.......3500-4500 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.
SMOKE DISPERSAL.....POOR.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTHWEST
WINDS 4-12 MPH.
FRIDAY
MOSTLY CLEAR. HIGHS IN THE UPPER 70S. SOUTH WINDS
4-12 MPH.
SATURDAY
PARTLY CLOUDY. LOWS AROUND 50. HIGHS IN THE LOWER
80S. SOUTH WINDS 4-12 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER
80S. NORTHWEST WINDS 5-12 MPH.
COZ246-171015-
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN
COUNTY-
INCLUDING AGATE, HUGO, LIMON, AND MATHESON
310 PM MDT TUE SEP 16 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS UNTIL 2400, THEN CHANCE OF
RAIN SHOWERS.
CHANCE OF THUNDER...40 PERCENT.
MIN TEMPERATURE.....48-52.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........97-99%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......NORTH WINDS 7-15 MPH WITH GUSTS TO AROUND 25
MPH.
CWR.................40 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 15-25 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....WEST AROUND 15 MPH UNTIL 2000, THEN NORTHWEST.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 1200, THEN MOSTLY
CLOUDY(60-65%). 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.....67-71.
24 HR TREND......4-7 DEGREES COOLER.
MIN HUMIDITY........44-50%.
24 HR TREND......10-15% WETTER.
20-FOOT WINDS.......NORTH WINDS 9-17 MPH WITH GUSTS TO AROUND 25
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.....NORTH AROUND 15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1300, THEN GOOD.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2400. CHANCE OF RAIN SHOWERS UNTIL 0300,
THEN CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....46-50.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........90-98%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 7-15 MPH WITH GUSTS TO AROUND
25 MPH.
CWR.................30 PERCENT DECREASING TO 20 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTH 10-15 MPH.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY(50-60%) UNTIL 0900, THEN PARTLY
CLOUDY(40-50%). SLIGHT CHANCE OF RAIN SHOWERS
UNTIL 1200, THEN SLIGHT CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....66-70.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........42-48%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......NORTH WINDS 9-16 MPH WITH GUSTS TO AROUND 25
MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....WEST 15-25 MPH.
MIXING HEIGHT.......5000-6000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN FAIR.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. SOUTH
WINDS 4-9 MPH.
FRIDAY
MOSTLY CLEAR. HIGHS IN THE UPPER 70S. SOUTH WINDS
5-12 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS 4-9 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER
80S. NORTHWEST WINDS 6-13 MPH.
COZ247-171015-
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-
INCLUDING FORDER, KARVAL, KUTCH, AND PUNKIN CENTER
310 PM MDT TUE SEP 16 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400, THEN PARTLY
CLOUDY(40-50%). CHANCE OF THUNDERSTORMS UNTIL
2400, THEN SLIGHT CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...30 PERCENT.
MIN TEMPERATURE.....49-53.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........96-99%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTH WINDS 8-16 MPH WITH GUSTS TO AROUND 25
MPH.
CWR.................20 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 0300, THEN BELOW 1000 FT
AGL UNTIL 0500, THEN 1000 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH UNTIL 2000, THEN NORTH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY
CLOUDY(50-60%). SLIGHT CHANCE OF RAIN SHOWERS
AFTER 1200 UNTIL 1500, THEN SLIGHT CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....69-75.
24 HR TREND......10-15 DEGREES COOLER.
MIN HUMIDITY........38-44%.
24 HR TREND......10-15% WETTER.
20-FOOT WINDS.......NORTH WINDS 9-16 MPH WITH GUSTS TO AROUND 25
MPH.
CWR.................0 PERCENT INCREASING TO 20 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 30-40 MPH.
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 5500-6500 FT
AGL.
TRANSPORT WINDS.....NORTH 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1300, THEN GOOD.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS UNTIL 2400, THEN CHANCE OF
RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....47-51.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........93-97%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......NORTH WINDS 8-16 MPH WITH GUSTS TO AROUND 25
MPH.
CWR.................50 PERCENT DECREASING TO 20 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTH 10-15 MPH.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%). SLIGHT CHANCE OF RAIN
SHOWERS UNTIL 1200, THEN SLIGHT CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....67-71.
24 HR TREND......2-4 DEGREES COOLER.
MIN HUMIDITY........42-46%.
24 HR TREND......2-4% WETTER.
20-FOOT WINDS.......NORTH WINDS 8-15 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......5000-6000 FT AGL.
TRANSPORT WINDS.....NORTH 10-15 MPH.
SMOKE DISPERSAL.....POOR.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. SOUTHEAST
WINDS 4-8 MPH.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 70S. SOUTH WINDS
4-9 MPH.
SATURDAY
MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE LOWER 80S.
SOUTH WINDS 4-9 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER
80S. NORTH WINDS 5-12 MPH.
COZ215-171015-
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
INCLUDING ESTES PARK, GLENDEVEY, LARAMIE RIVER VALLEY, NEDERLAND,
AND RED FEATHER LAKES
310 PM MDT TUE SEP 16 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS UNTIL 2400, THEN CHANCE OF
RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...30 PERCENT.
MIN TEMPERATURE.....37-47.
24 HR TREND......2-4 DEGREES COOLER.
MAX HUMIDITY........84-94%.
24 HR TREND......20-25% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 4-7 MPH.
RIDGES/UPR SLOPES....WEST WINDS 4-7 MPH.
CWR.................40 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 15-25 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH UNTIL 1900, THEN LIGHT
UNTIL 2000, THEN WEST AROUND 10 MPH UNTIL 2400,
THEN LIGHT.
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...40 PERCENT.
MAX TEMPERATURE.....54-64.
24 HR TREND......7-10 DEGREES COOLER.
MIN HUMIDITY........50-60%.
24 HR TREND......20-25% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5-13 MPH WITH GUSTS TO
AROUND 20 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5-13 MPH. GUSTS UP TO 20
MPH IN THE AFTERNOON.
CWR.................20 PERCENT INCREASING TO 40 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......4500-5500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100. CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....36-46.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........81-91%.
24 HR TREND......2-4% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHWEST WINDS 4-9 MPH. GUSTS UP TO 20
MPH IN THE EVENING.
RIDGES/UPR SLOPES....NORTHWEST WINDS 4-9 MPH. GUSTS UP TO 20
MPH IN THE EVENING.
CWR.................20 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY(60-65%) UNTIL 0900, THEN PARTLY
CLOUDY(40-50%). SLIGHT CHANCE OF RAIN SHOWERS
UNTIL 1200, THEN CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....56-66.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........43-53%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHWEST WINDS 4-8 MPH UNTIL 1200, THEN
NORTH 5-12 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 4-8 MPH UNTIL 1200, THEN
NORTHEAST.
CWR.................10 PERCENT.
15K FT MSL WINDS....NORTHWEST 15-25 MPH.
MIXING HEIGHT.......5500-6500 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH UNTIL 1700, THEN
NORTHEAST.
SMOKE DISPERSAL.....POOR.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. SOUTHWEST
WINDS 4-7 MPH.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
4-8 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE
LOWER 70S. WEST WINDS 4-9 MPH.
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 40S. HIGHS IN THE UPPER 60S. WEST WINDS 7-14 MPH.
COZ216-171015-
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
310 PM MDT TUE SEP 16 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS UNTIL 2100, THEN CHANCE OF
RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2400, THEN SLIGHT CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...30 PERCENT.
MIN TEMPERATURE.....38-48.
24 HR TREND......4-7 DEGREES COOLER.
MAX HUMIDITY........82-92%.
24 HR TREND......25-35% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 4-7 MPH.
RIDGES/UPR SLOPES....WEST WINDS 4-7 MPH.
CWR.................30 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 15-25 MPH.
MIXING HEIGHT.......2000-3000 FT AGL.
TRANSPORT WINDS.....EAST AROUND 10 MPH UNTIL 1900, THEN LIGHT UNTIL
2000, THEN NORTH AROUND 10 MPH UNTIL 2100, THEN
LIGHT UNTIL 2200, THEN WEST AROUND 10 MPH UNTIL
2300, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 1200, THEN MOSTLY
CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS UNTIL
1200, THEN RAIN SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....58-68.
24 HR TREND......4-7 DEGREES COOLER.
MIN HUMIDITY........45-55%.
24 HR TREND......10-15% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTH WINDS 4-9 MPH. GUSTS UP TO 20 MPH IN
THE AFTERNOON.
RIDGES/UPR SLOPES....NORTH WINDS 4-9 MPH WITH GUSTS TO AROUND
20 MPH.
CWR.................0 PERCENT INCREASING TO 40 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......5500-6500 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1100, THEN NORTH AROUND 10
MPH UNTIL 1500, THEN NORTHEAST.
SMOKE DISPERSAL.....POOR.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS UNTIL
2100. RAIN SHOWERS LIKELY UNTIL 2400, THEN
CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...30 PERCENT.
MIN TEMPERATURE.....37-47.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........81-91%.
24 HR TREND......2-4% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTH WINDS 4-7 MPH UNTIL 2400, THEN WEST
4-6 MPH.
RIDGES/UPR SLOPES....NORTH WINDS 4-8 MPH WITH GUSTS TO AROUND
20 MPH UNTIL 2400, THEN WEST 4-7 MPH.
CWR.................30 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 15-25 MPH.
MIXING HEIGHT.......2000-3000 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 10 MPH UNTIL 2100, THEN LIGHT
UNTIL 0300, THEN NORTH AROUND 10 MPH UNTIL
0400, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 1200, THEN MOSTLY
CLOUDY(50-60%). SLIGHT CHANCE OF RAIN SHOWERS
UNTIL 1200, THEN CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....58-68.
24 HR TREND......2-4 DEGREES WARMER.
MIN HUMIDITY........45-55%.
24 HR TREND......4-7% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTH WINDS 4-7 MPH UNTIL 1200, THEN EAST
4-9 MPH WITH GUSTS TO AROUND 20 MPH.
RIDGES/UPR SLOPES....NORTH WINDS 4-7 MPH UNTIL 1200, THEN EAST
4-9 MPH WITH GUSTS TO AROUND 20 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....NORTHWEST 15-25 MPH.
MIXING HEIGHT.......5500-6500 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1200, THEN NORTH AROUND 10
MPH UNTIL 1700, THEN EAST.
SMOKE DISPERSAL.....POOR.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. SOUTHWEST
WINDS 4-8 MPH.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 70S. SOUTH WINDS
4-8 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. WEST WINDS 4-8 MPH.
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 40S. HIGHS IN THE LOWER 70S. WEST WINDS 4-9 MPH.
COZ211-171015-
JACKSON COUNTY BELOW 9000 FEET-
INCLUDING GOULD, NORTH PARK, RAND, SPICER, AND WALDEN
310 PM MDT TUE SEP 16 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS UNTIL 2400, THEN CHANCE OF
RAIN SHOWERS.
CHANCE OF THUNDER...40 PERCENT.
MIN TEMPERATURE.....30-36.
24 HR TREND......2-4 DEGREES COOLER.
MAX HUMIDITY........96-99%.
24 HR TREND......7-10% WETTER.
20-FOOT WINDS.......SOUTH WINDS 4-7 MPH.
CWR.................40 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....NORTHWEST 15-20 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH UNTIL 1900, THEN NORTHWEST
UNTIL 2100, THEN SOUTHWEST UNTIL 2300, THEN
LIGHT.
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...40 PERCENT.
MAX TEMPERATURE.....56-60.
24 HR TREND......7-10 DEGREES COOLER.
MIN HUMIDITY........47-53%.
24 HR TREND......20-25% WETTER.
20-FOOT WINDS.......NORTHWEST WINDS 5-13 MPH. GUSTS UP TO 20 MPH IN
THE AFTERNOON.
CWR.................10 PERCENT INCREASING TO 30 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......5500-6500 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1100, THEN NORTHWEST 10-15
MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN FAIR.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY(60-65%) UNTIL 2400, THEN PARTLY
CLOUDY(40-50%) UNTIL 0300, THEN MOSTLY
CLOUDY(55-60%). SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100. CHANCE OF RAIN SHOWERS UNTIL 2400,
THEN SLIGHT CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....28-34.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........90-100%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTHEAST WINDS 4-8 MPH. GUSTS UP TO 20 MPH IN
THE EVENING.
CWR.................20 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....NORTHWEST 20-30 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 10 MPH UNTIL 2100, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY(55-60%) UNTIL 0900, THEN PARTLY
CLOUDY(35-45%). SLIGHT CHANCE OF RAIN SHOWERS
UNTIL 1200. SLIGHT CHANCE OF THUNDERSTORMS
AFTER 1200.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....60-64.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........38-42%.
24 HR TREND......7-10% DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS 4-6 MPH UNTIL 1200, THEN
NORTHWEST 6-12 MPH WITH GUSTS TO AROUND 20 MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....NORTHWEST 15-20 MPH.
MIXING HEIGHT.......6000-7000 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1300, THEN NORTHWEST AROUND
10 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1500, THEN FAIR.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 20S. SOUTH
WINDS 4-8 MPH.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
4-9 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE
UPPER 60S. SOUTHWEST WINDS 5-12 MPH.
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 30S. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS 7-14 MPH.
COZ213-171015-
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
310 PM MDT TUE SEP 16 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS UNTIL 2400, THEN SLIGHT CHANCE
OF RAIN SHOWERS.
CHANCE OF THUNDER...30 PERCENT.
MIN TEMPERATURE.....32-38.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........90-100%.
24 HR TREND......20-25% WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 4-7 MPH.
CWR.................30 PERCENT DECREASING TO 0 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 25-35 MPH.
MIXING HEIGHT.......2000-3000 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH UNTIL 2200, THEN SOUTH
UNTIL 2300, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY(50-60%) UNTIL 1200, THEN MOSTLY
CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS UNTIL
1200, THEN CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....55-63.
24 HR TREND......4-7 DEGREES COOLER.
MIN HUMIDITY........33-43%.
24 HR TREND......10-15% WETTER.
20-FOOT WINDS.......WEST WINDS 4-9 MPH. GUSTS UP TO 20 MPH IN THE
AFTERNOON.
CWR.................0 PERCENT INCREASING TO 20 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......6500-7500 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1100, THEN WEST 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY(50-60%) UNTIL 2100, THEN PARTLY
CLOUDY(35-45%). SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100. CHANCE OF RAIN SHOWERS UNTIL 2400,
THEN SLIGHT CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....29-37.
24 HR TREND......4-7 DEGREES COOLER.
MAX HUMIDITY........87-97%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......NORTHWEST WINDS 4-7 MPH UNTIL 2400, THEN
VARIABLE LESS THAN 8 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....WEST 15-25 MPH.
MIXING HEIGHT.......2000-3000 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH UNTIL 1900, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%). SLIGHT CHANCE OF RAIN
SHOWERS UNTIL 1200. SLIGHT CHANCE OF
THUNDERSTORMS AFTER 1200.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....58-66.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........29-39%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 4-8 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 15-20 MPH.
MIXING HEIGHT.......6500-7500 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1300, THEN NORTHWEST AROUND
10 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1500, THEN FAIR.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 30S. SOUTHEAST
WINDS 4-6 MPH.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS
4-7 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
UPPER 60S. SOUTHWEST WINDS 4-7 MPH.
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 30S. HIGHS IN THE MID 60S. WEST WINDS 4-8 MPH.
COZ214-171015-
CENTRAL AND SOUTHEAST PARK COUNTY-
INCLUDING ELEVEN MILE CANYON RESERVOIR, FAIRPLAY, GUFFEY,
HARTSEL, LAKE GEORGE, AND SOUTH PARK
310 PM MDT TUE SEP 16 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400, THEN PARTLY
CLOUDY(40-50%). CHANCE OF THUNDERSTORMS UNTIL
2400, THEN SLIGHT CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...30 PERCENT.
MIN TEMPERATURE.....35-39.
24 HR TREND......2-4 DEGREES COOLER.
MAX HUMIDITY........84-94%.
24 HR TREND......15-20% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 4-7 MPH.
RIDGES/UPR SLOPES....WEST WINDS 4-7 MPH.
CWR.................20 PERCENT DECREASING TO 0 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 1900, THEN
NORTHEAST UNTIL 2400, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200, THEN MOSTLY CLOUDY.
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS AFTER 1200 UNTIL 1500, THEN
CHANCE OF THUNDERSTORMS.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....56-64.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........29-39%.
24 HR TREND......7-10% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHWEST WINDS 4-12 MPH. GUSTS UP TO 20
MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....NORTHWEST 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....WEST 20-30 MPH.
MIXING HEIGHT.......10000-11000 FT AGL.
TRANSPORT WINDS.....WEST 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN GOOD UNTIL 1300, THEN
VERY GOOD UNTIL 1700, THEN GOOD.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS UNTIL
2100, THEN CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...30 PERCENT.
MIN TEMPERATURE.....34-40.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........86-96%.
24 HR TREND......4-7% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHEAST WINDS 4-9 MPH WITH GUSTS TO
AROUND 20 MPH UNTIL 2400, THEN NORTHWEST
4-6 MPH.
RIDGES/UPR SLOPES....NORTHEAST WINDS 4-9 MPH WITH GUSTS TO
AROUND 20 MPH UNTIL 2400, THEN NORTHWEST
4-7 MPH.
CWR.................20 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 15-25 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTHEAST 10-15 MPH UNTIL 2400, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY(40-50%). 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.....55-63.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........35-43%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...WEST WINDS 4-7 MPH UNTIL 1200, THEN
SOUTHEAST 4-9 MPH WITH GUSTS TO AROUND 20
MPH.
RIDGES/UPR SLOPES....WEST WINDS 4-7 MPH UNTIL 1200, THEN
SOUTHEAST 4-9 MPH WITH GUSTS TO AROUND 20
MPH.
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....NORTHWEST 15-25 MPH.
MIXING HEIGHT.......6500-7500 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1000, THEN WEST AROUND 10 MPH
UNTIL 1600, THEN SOUTHWEST UNTIL 1700, THEN
SOUTH.
SMOKE DISPERSAL.....POOR UNTIL 1300, THEN FAIR.
THURSDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS.
LOWS IN THE UPPER 30S. SOUTH WINDS 4-8 MPH.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE MID 60S. SOUTHWEST WINDS
4-8 MPH.
SATURDAY
PARTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE MID 60S.
WEST WINDS 4-9 MPH.
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 40S. HIGHS IN THE MID 60S. NORTHWEST WINDS 6-13 MPH.
COZ218-171015-
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
310 PM MDT TUE SEP 16 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY, CHANCE OF
THUNDERSTORMS AND SNOW SHOWERS LIKELY UNTIL
2400, THEN CHANCE OF RAIN AND SNOW SHOWERS.
CHANCE OF THUNDER...30 PERCENT.
MIN TEMPERATURE.....29-39.
24 HR TREND......4-7 DEGREES COOLER.
MAX HUMIDITY........87-97%.
24 HR TREND......25-35% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 4-8 MPH.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 4-8 MPH.
CWR.................40 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....WEST AROUND 10 MPH UNTIL 2300, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW SHOWERS
UNTIL 1200, THEN RAIN SHOWERS LIKELY, CHANCE OF
THUNDERSTORMS AND SNOW SHOWERS LIKELY.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....44-54.
24 HR TREND......2-4 DEGREES COOLER.
MIN HUMIDITY........48-58%.
24 HR TREND......20-25% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHWEST WINDS 4-12 MPH. GUSTS UP TO 20
MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....NORTHWEST WINDS 4-12 MPH.
CWR.................20 PERCENT INCREASING TO 40 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......5000-6000 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0900, THEN WEST 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1300, THEN FAIR.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400, THEN PARTLY
CLOUDY(50-60%) UNTIL 0300, THEN MOSTLY
CLOUDY(55-60%). SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100. CHANCE OF RAIN AND SNOW SHOWERS.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....27-37.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........86-96%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHWEST WINDS 4-8 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 4-8 MPH.
CWR.................20 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH UNTIL 2200, THEN LIGHT
UNTIL 2300, THEN NORTHWEST AROUND 10 MPH UNTIL
2400, THEN LIGHT UNTIL 0300, THEN NORTHWEST
AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY(50-60%) UNTIL 0900, THEN PARTLY
CLOUDY(35-45%). CHANCE OF SNOW SHOWERS UNTIL
1500. CHANCE OF RAIN SHOWERS. SLIGHT CHANCE OF
THUNDERSTORMS AFTER 1200.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....47-57.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........40-50%.
24 HR TREND......15-20% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHWEST WINDS 4-9 MPH.
RIDGES/UPR SLOPES....NORTHWEST WINDS 4-12 MPH.
CWR.................10 PERCENT.
15K FT MSL WINDS....NORTHWEST 15-25 MPH.
MIXING HEIGHT.......5500-6500 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH UNTIL 0700, THEN LIGHT
UNTIL 1100, THEN NORTHWEST AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 30S. SOUTH
WINDS 4-8 MPH.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS
4-8 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS
IN THE UPPER 30S. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS
6-13 MPH.
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 30S. HIGHS IN THE MID 50S. WEST WINDS 8-15 MPH.
COZ212-171015-
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
310 PM MDT TUE SEP 16 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY(60-65%) UNTIL 0300, THEN PARTLY
CLOUDY(40-50%). RAIN SHOWERS LIKELY, CHANCE OF
THUNDERSTORMS AND SNOW SHOWERS LIKELY UNTIL
2400, THEN SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS.
CHANCE OF THUNDER...30 PERCENT.
MIN TEMPERATURE.....29-39.
24 HR TREND......2-4 DEGREES COOLER.
MAX HUMIDITY........82-92%.
24 HR TREND......10-15% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 4-9 MPH.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 4-12 MPH.
CWR.................30 PERCENT DECREASING TO 0 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 2000, THEN WEST
UNTIL 2400, THEN LIGHT UNTIL 0400, THEN WEST
AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 1200, THEN MOSTLY
CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW SHOWERS
UNTIL 1200, THEN CHANCE OF THUNDERSTORMS AND
SNOW SHOWERS.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....47-57.
24 HR TREND......4-7 DEGREES COOLER.
MIN HUMIDITY........37-47%.
24 HR TREND......7-10% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHWEST WINDS 4-12 MPH. GUSTS UP TO 20
MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5-13 MPH WITH GUSTS TO
AROUND 20 MPH.
CWR.................10 PERCENT INCREASING TO 30 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......8000-9000 FT AGL.
TRANSPORT WINDS.....WEST 10-15 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN GOOD.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY(60-65%) UNTIL 2400, THEN PARTLY
CLOUDY(40-50%). CHANCE OF SNOW SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS UNTIL 2400.
CHANCE OF RAIN SHOWERS. SLIGHT CHANCE OF SNOW
SHOWERS AFTER 2400.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....27-37.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........81-91%.
24 HR TREND......2-4% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHWEST WINDS 4-8 MPH. GUSTS UP TO 20
MPH IN THE EVENING.
RIDGES/UPR SLOPES....NORTHWEST WINDS 4-8 MPH. GUSTS UP TO 20
MPH IN THE EVENING.
CWR.................20 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....WEST 15-20 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH UNTIL 2100, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%). SLIGHT CHANCE OF RAIN
AND SNOW SHOWERS UNTIL 1200, THEN CHANCE OF
RAIN SHOWERS, SNOW SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....47-57.
24 HR TREND......LITTLE CHANGE.
MIN HUMIDITY........37-47%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHWEST WINDS 4-12 MPH. GUSTS UP TO 20
MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5-13 MPH. GUSTS UP TO 20
MPH IN THE AFTERNOON.
CWR.................10 PERCENT.
15K FT MSL WINDS....NORTHWEST 15-25 MPH.
MIXING HEIGHT.......6500-7500 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1000, THEN NORTHWEST AROUND
10 MPH.
SMOKE DISPERSAL.....POOR UNTIL 1500, THEN FAIR.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S. SOUTHWEST
WINDS 4-8 MPH.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE UPPER 50S. WEST WINDS
4-8 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS
IN THE UPPER 30S. HIGHS IN THE UPPER 50S. WEST WINDS 5-12 MPH.
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 30S. HIGHS IN THE MID 50S. WEST WINDS 7-14 MPH.
COZ217-171015-
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
INCLUDING EAST SLOPES PARK AND NORTHERN GORE RANGES, GORE PASS,
AND RABBIT EARS PASS
310 PM MDT TUE SEP 16 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS UNTIL 2400, THEN CHANCE OF
RAIN SHOWERS.
CHANCE OF THUNDER...30 PERCENT.
MIN TEMPERATURE.....32-38.
24 HR TREND......7-10 DEGREES COOLER.
MAX HUMIDITY........89-99%.
24 HR TREND......35-50% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 4-8 MPH.
RIDGES/UPR SLOPES....SOUTHWEST WINDS 4-8 MPH.
CWR.................40 PERCENT DECREASING TO 10 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....NORTHWEST 20-30 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10-15 MPH UNTIL 2100, THEN SOUTHWEST
UNTIL 2300, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY(50-60%). CHANCE OF RAIN SHOWERS
UNTIL 1200, THEN RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....47-57.
24 HR TREND......4-7 DEGREES COOLER.
MIN HUMIDITY........49-59%.
24 HR TREND......15-20% WETTER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHWEST WINDS 4-12 MPH. GUSTS UP TO 20
MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5-13 MPH. GUSTS UP TO 20
MPH IN THE AFTERNOON.
CWR.................10 PERCENT INCREASING TO 30 PERCENT IN THE
AFTERNOON.
15K FT MSL WINDS....WEST 20-30 MPH.
MIXING HEIGHT.......5500-6500 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1000, THEN NORTHWEST 10-15
MPH.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN FAIR.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY(50-60%) UNTIL 2100, THEN PARTLY
CLOUDY(40-50%). SLIGHT CHANCE OF THUNDERSTORMS
UNTIL 2100. CHANCE OF RAIN SHOWERS UNTIL 2400,
THEN SLIGHT CHANCE OF RAIN SHOWERS.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....29-37.
24 HR TREND......LITTLE CHANGE.
MAX HUMIDITY........87-97%.
24 HR TREND......LITTLE CHANGE.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTH WINDS 4-8 MPH. GUSTS UP TO 20 MPH IN
THE EVENING.
RIDGES/UPR SLOPES....NORTH WINDS 4-8 MPH. GUSTS UP TO 20 MPH IN
THE EVENING.
CWR.................10 PERCENT DECREASING TO 0 PERCENT AFTER
MIDNIGHT.
15K FT MSL WINDS....NORTHWEST 20-30 MPH.
MIXING HEIGHT.......1500-2500 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 10 MPH UNTIL 2400, THEN LIGHT.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY(35-45%). SLIGHT CHANCE OF
THUNDERSTORMS AFTER 1200.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....51-61.
24 HR TREND......4-7 DEGREES WARMER.
MIN HUMIDITY........38-48%.
24 HR TREND......7-10% DRIER.
20-FOOT WINDS.......
VALLEYS/LWR SLOPES...NORTHWEST WINDS 4-9 MPH. GUSTS UP TO 20
MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....NORTHWEST WINDS 5-13 MPH WITH GUSTS TO
AROUND 20 MPH.
CWR.................0 PERCENT.
15K FT MSL WINDS....NORTHWEST 15-20 MPH.
MIXING HEIGHT.......6000-7000 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1200, THEN NORTHWEST AROUND
10 MPH.
SMOKE DISPERSAL.....POOR.
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S. SOUTH WINDS
4-7 MPH.
FRIDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS
4-8 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS AROUND
60. SOUTHWEST WINDS 5-12 MPH.
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 30S. HIGHS IN THE UPPER 50S. WEST WINDS 6-13 MPH.
OUTLOOK 6 TO 10 DAYS
TEMPERATURES ABOVE NORMAL AND PRECIPITATION BELOW NORMAL.
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