318
FNUS55 KRIW 101202
FWFRIW
FIRE WEATHER PLANNING FORECAST FOR WESTERN AND CENTRAL WYOMING
NATIONAL WEATHER SERVICE RIVERTON WY
501 AM MST WED DEC 10 2025
DISCUSSION
***THIS PRODUCT IS CURRENTLY AUTOMATED WITH NO DISCUSSION
AND WILL NOT BE REFRESHED WITH ALL FORECAST UPDATES. IT SHOULD
BE USED FOR PLANNING PURPOSES ONLY. IF YOU NEED ADDITIONAL FIRE
WEATHER INFORMATION, PLEASE CONTACT THE NWS OFFICE IN RIVERTON,
WYOMING. THE HUMAN WRITTEN DISCUSSION SECTION ALONG WITH THE FIRE
WEATHER FORECAST WILL RESUME REGULAR OPERATIONS SOMETIME IN
SPRING 2026.***
---THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS---
WYZ280-102300-
NATRONA COUNTY/CASPER BLM-
INCLUDING THE CITIES OF CASPER AND MIDWEST
501 AM MST WED DEC 10 2025
..HIGH WIND WARNING IN EFFECT UNTIL 5 AM MST THURSDAY
TODAY
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....48-53.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........54-60 PERCENT.
24 HR TREND......9 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 25 MPH UNTIL 1200, THEN AROUND 20 MPH
WITH GUSTS TO AROUND 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH UNTIL 1000, THEN 20 TO
25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH UNTIL 1000, THEN WEST 25
TO 30 MPH.
MIXING HEIGHT.......800-2800 FT AGL UNTIL 1600, THEN 600-800 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....38-43.
24 HR TREND......12 DEGREES WARMER.
MAX HUMIDITY........70-76 PERCENT.
24 HR TREND......22 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 20 TO 25 MPH WITH GUSTS
TO AROUND 40 MPH.
RIDGE TOP WINDS.....SOUTHWEST 25 TO 30 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 25 TO 30 MPH.
MIXING HEIGHT.......600-800 FT AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....52-57.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........36-42 PERCENT.
24 HR TREND......17 PERCENT DRIER.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 20 TO 25 MPH. GUSTS UP
TO 40 MPH UNTIL 1500, THEN 30 MPH.
RIDGE TOP WINDS.....SOUTHWEST 25 TO 30 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 25 TO 30 MPH.
MIXING HEIGHT.......600-2400 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
COLDER. PARTLY CLOUDY. SLIGHT CHANCE OF SNOW
AFTER MIDNIGHT. LOWS AROUND 30. WEST WINDS AROUND 10 MPH.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 20S.
HIGHS 46 TO 51. SOUTHWEST WINDS 10 TO 15 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE MID
50S. SOUTHWEST WINDS AROUND 15 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE LOWER
50S.
TUESDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 50S.
WYZ283-102300-
UPPER WIND RIVER BASIN/WIND RIVER BASIN-
INCLUDING THE CITIES OF CROWHEART, LANDER, RIVERTON, AND SHOSHONI
501 AM MST WED DEC 10 2025
TODAY
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SNOW EARLY IN
THE MORNING. CHANCE OF SNOW 20 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....48-53.
24 HR TREND......3 DEGREES COOLER.
MIN HUMIDITY........52-58 PERCENT.
24 HR TREND......15 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 15
MPH UNTIL 1200, THEN 25 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 0800, THEN 15 TO
20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH UNTIL 1100. WEST 20 TO
25 MPH AFTER 1400.
MIXING HEIGHT.......400-1800 FT AGL.
SMOKE DISPERSAL.....POOR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....31-36.
24 HR TREND......6 DEGREES WARMER.
MAX HUMIDITY........74-80 PERCENT.
24 HR TREND......12 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO
AROUND 25 MPH.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH.
MIXING HEIGHT.......600-1000 FT AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....48-53.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........39-45 PERCENT.
24 HR TREND......14 PERCENT DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO
AROUND 30 MPH.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 20 TO 25 MPH.
MIXING HEIGHT.......600-1800 FT AGL.
SMOKE DISPERSAL.....POOR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTHWEST
WINDS AROUND 10 MPH.
FRIDAY THROUGH SUNDAY
PARTLY CLOUDY. LOWS 28 TO 33. HIGHS
49 TO 54. SOUTHWEST WINDS 10 TO 15 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 30S.
HIGHS IN THE LOWER 50S.
WYZ285-102300-
SOUTH BIGHORN MOUNTAINS-
501 AM MST WED DEC 10 2025
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
TODAY
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SNOW EARLY IN
THE MORNING. CHANCE OF SNOW LATE IN THE
MORNING, THEN SLIGHT CHANCE OF SNOW LATE IN THE
MORNING. CHANCE OF SNOW 50 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....43-48.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........52-58 PERCENT.
24 HR TREND......6 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 30 MPH UNTIL 1200, THEN WEST AROUND 20
MPH WITH GUSTS TO AROUND 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1100, THEN WEST
AROUND 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1100, THEN WEST 25
TO 30 MPH.
MIXING HEIGHT.......200-1400 FT AGL.
SMOKE DISPERSAL.....POOR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....35-40.
24 HR TREND......11 DEGREES WARMER.
MAX HUMIDITY........71-77 PERCENT.
24 HR TREND......19 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......BREEZY. WEST WINDS 20 TO 25 MPH WITH GUSTS TO
AROUND 35 MPH.
RIDGE TOP WINDS.....WEST 25 TO 30 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 25 TO 30 MPH.
MIXING HEIGHT.......200-600 FT AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....45-50.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........43-49 PERCENT.
24 HR TREND......9 PERCENT DRIER.
20-FOOT WINDS.......BREEZY. WEST WINDS 20 TO 25 MPH. GUSTS UP TO 40
MPH UNTIL 1500, THEN 30 MPH.
RIDGE TOP WINDS.....WEST 25 TO 30 MPH UNTIL 1700, THEN AROUND 20
MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 25 TO 30 MPH UNTIL 1700, THEN AROUND 20
MPH.
MIXING HEIGHT.......200-1600 FT AGL.
SMOKE DISPERSAL.....POOR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW IN THE
EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS IN THE UPPER
20S. WEST WINDS AROUND 10 MPH.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS AROUND 30. HIGHS
39 TO 44. SOUTHWEST WINDS 10 TO 15 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER
40S. SOUTHWEST WINDS AROUND 15 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 30S.
HIGHS IN THE MID 40S.
WYZ281-102300-
JOHNSON COUNTY/CASPER BLM-
INCLUDING THE CITIES OF BUFFALO AND KAYCEE
501 AM MST WED DEC 10 2025
TODAY
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
SLIGHT CHANCE OF RAIN IN THE MORNING. SLIGHT
CHANCE OF SNOW THROUGH THE DAY. CHANCE OF RAIN
IN THE AFTERNOON. CHANCE OF PRECIPITATION 50
PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....47-52.
24 HR TREND......7 DEGREES COOLER.
MIN HUMIDITY........56-62 PERCENT.
24 HR TREND......19 PERCENT WETTER.
20-FOOT WINDS.......SOUTH WINDS 10 TO 15 MPH WITH HIGHER GUSTS.
RIDGE TOP WINDS.....SOUTH 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH 15 TO 20 MPH UNTIL 1300, THEN SOUTHWEST.
MIXING HEIGHT.......400-1800 FT AGL.
SMOKE DISPERSAL.....POOR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....35-40.
24 HR TREND......13 DEGREES WARMER.
MAX HUMIDITY........77-83 PERCENT.
24 HR TREND......20 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 25 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.
MIXING HEIGHT.......400-800 FT AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
SLIGHT CHANCE OF RAIN IN THE AFTERNOON. CHANCE
OF RAIN AND SLIGHT CHANCE OF SNOW LATE IN THE
AFTERNOON. CHANCE OF PRECIPITATION 40 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....51-56.
24 HR TREND......7 DEGREES WARMER.
MIN HUMIDITY........39-45 PERCENT.
24 HR TREND......18 PERCENT DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 15 MPH UNTIL 1500, THEN
WEST. GUSTS UP TO 25 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 20 MPH UNTIL 1400, THEN WEST.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH UNTIL 1300, THEN
NORTHWEST.
MIXING HEIGHT.......600-2600 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
COLDER, CLOUDY. CHANCE OF RAIN AND SNOW IN THE
EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS IN THE MID 20S.
NORTH WINDS AROUND 10 MPH.
FRIDAY
COLDER. MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW. LOWS IN
THE LOWER 20S. HIGHS IN THE UPPER 30S. WINDS GENERALLY LESS THAN
10 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE
UPPER 30S. SOUTHWEST WINDS AROUND 10 MPH.
SUNDAY
WARMER. PARTLY CLOUDY. LOWS AROUND 30. HIGHS IN THE MID
50S. SOUTHWEST WINDS AROUND 10 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 30S.
HIGHS 52 TO 57.
WYZ282-102300-
SOUTH BIGHORN BASIN/WORLAND BLM-
INCLUDING THE CITIES OF TEN SLEEP, THERMOPOLIS, AND WORLAND
501 AM MST WED DEC 10 2025
TODAY
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
SLIGHT CHANCE OF SNOW EARLY IN THE MORNING.
SLIGHT CHANCE OF RAIN LATE IN THE MORNING.
CHANCE OF PRECIPITATION 20 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....43-48.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........53-59 PERCENT.
24 HR TREND......11 PERCENT WETTER.
20-FOOT WINDS.......SOUTHEAST WINDS AROUND 10 MPH UNTIL 0900, THEN
UPSLOPE/UPVALLEY 5-9 MPH.
RIDGE TOP WINDS.....SOUTHEAST 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHEAST 10 TO 15 MPH.
MIXING HEIGHT.......400-1400 FT AGL.
SMOKE DISPERSAL.....POOR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY THEN
BECOMING PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....33-38.
24 HR TREND......6 DEGREES WARMER.
MAX HUMIDITY........75-81 PERCENT.
24 HR TREND......6 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2100, THEN
SOUTH AROUND 10 MPH. GUSTS UP TO 15 MPH.
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
MIXING HEIGHT.......400-600 FT AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....47-52.
24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........42-48 PERCENT.
24 HR TREND......10 PERCENT DRIER.
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH UNTIL 0900, THEN
UPSLOPE/UPVALLEY 5-9 MPH.
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH UNTIL 1500, THEN WEST.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH UNTIL 1300, THEN WEST.
MIXING HEIGHT.......400-1000 FT AGL.
SMOKE DISPERSAL.....POOR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW
AFTER MIDNIGHT. LOWS IN THE UPPER 20S. WINDS GENERALLY LESS THAN
10 MPH.
FRIDAY THROUGH SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 20S.
HIGHS 46 TO 51. WINDS GENERALLY LESS THAN 10 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 30S.
HIGHS 50 TO 55.
WYZ275-102300-
NORTH BIGHORN BASIN/WORLAND BLM-
INCLUDING THE CITIES OF GREYBULL, LOVELL, AND POWELL
501 AM MST WED DEC 10 2025
TODAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW AND RAIN IN THE
MORNING. SLIGHT CHANCE OF RAIN AND SNOW IN THE
AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....42-47.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........57-63 PERCENT.
24 HR TREND......13 PERCENT WETTER.
20-FOOT WINDS.......SOUTHEAST WINDS 10 TO 15 MPH WITH HIGHER GUSTS.
RIDGE TOP WINDS.....SOUTHEAST AROUND 15 MPH.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
TRANSPORT WINDS.....SOUTHEAST AROUND 15 MPH.
MIXING HEIGHT.......400-1400 FT AGL.
SMOKE DISPERSAL.....POOR.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....34-39.
24 HR TREND......7 DEGREES WARMER.
MAX HUMIDITY........74-80 PERCENT.
24 HR TREND......2 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......SOUTHEAST WINDS AROUND 10 MPH WITH GUSTS TO
AROUND 15 MPH.
RIDGE TOP WINDS.....SOUTHEAST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.
MIXING HEIGHT.......400-800 FT AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
SLIGHT CHANCE OF RAIN LATE IN THE AFTERNOON.
CHANCE OF RAIN 20 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....44-49.
24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........50-56 PERCENT.
24 HR TREND......7 PERCENT DRIER.
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH UNTIL 1200, THEN
UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500, THEN WEST
AROUND 10 MPH. GUSTS UP TO 15 MPH.
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH UNTIL 1500. NORTHWEST AFTER
1600.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH AROUND 15 MPH UNTIL 1300. NORTH AFTER
1600.
MIXING HEIGHT.......400-1400 FT AGL.
SMOKE DISPERSAL.....POOR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW IN THE
EVENING, THEN CHANCE OF SNOW AND SLIGHT CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE UPPER 20S. NORTHWEST WINDS AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW. LOWS IN THE MID
20S. HIGHS IN THE LOWER 40S. WINDS GENERALLY LESS THAN 10 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN THE
LOWER 40S. WINDS GENERALLY LESS THAN 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS IN THE
UPPER 40S. WINDS GENERALLY LESS THAN 10 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 30S.
HIGHS 48 TO 53.
WYZ276-102300-
CODY FOOTHILLS-
INCLUDING THE CITIES OF CLARK, CODY, AND MEETEETSE
501 AM MST WED DEC 10 2025
TODAY
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
CHANCE OF RAIN AND SNOW IN THE MORNING. SLIGHT
CHANCE OF RAIN IN THE AFTERNOON. CHANCE OF
PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....48-53.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........48-54 PERCENT.
24 HR TREND......10 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 25 MPH UNTIL 1200, THEN WEST WITH GUSTS
TO AROUND 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1200, THEN WEST.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
TRANSPORT WINDS.....SOUTH 15 TO 20 MPH UNTIL 1100, THEN WEST 25 TO
30 MPH UNTIL 1300, THEN 30 TO 35 MPH UNTIL
1600, THEN 20 TO 25 MPH.
MIXING HEIGHT.......600-2400 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....41-46.
24 HR TREND......12 DEGREES WARMER.
MAX HUMIDITY........61-67 PERCENT.
24 HR TREND......20 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH. GUSTS UP TO 30
MPH UNTIL 0300, THEN 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST AROUND 25 MPH.
MIXING HEIGHT.......600-1600 FT AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN LATE IN
THE AFTERNOON. CHANCE OF RAIN 20 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....49-54.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........40-46 PERCENT.
24 HR TREND......10 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS AROUND 20 MPH WITH GUSTS TO AROUND
40 MPH.
RIDGE TOP WINDS.....SOUTHWEST 25 TO 30 MPH UNTIL 1200, THEN WEST 20
TO 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 25 TO 30 MPH UNTIL 1300. 20 TO 25 MPH
AFTER 1600.
MIXING HEIGHT.......1000-3000 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
COLDER. PARTLY CLOUDY. SLIGHT CHANCE OF RAIN IN
THE EVENING, THEN CHANCE OF SNOW AND SLIGHT CHANCE OF RAIN AFTER
MIDNIGHT. LOWS IN THE LOWER 30S. NORTHWEST WINDS AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. LOWS IN THE
UPPER 20S. HIGHS IN THE MID 40S. WEST WINDS AROUND 10 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE
MID 40S. SOUTHWEST WINDS AROUND 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE
LOWER 50S. SOUTHWEST WINDS AROUND 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE LOWER
50S.
TUESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND SNOW
SHOWERS IN THE AFTERNOON. HIGHS IN THE LOWER 50S.
WYZ287-102300-
OWL CREEK MOUNTAINS-
501 AM MST WED DEC 10 2025
TODAY
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SNOW EARLY IN
THE MORNING. SLIGHT CHANCE OF SNOW LATE IN THE
MORNING. CHANCE OF SNOW 20 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....44-49.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........52-58 PERCENT.
24 HR TREND......11 PERCENT WETTER.
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH HIGHER GUSTS.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1000, THEN WEST
UNTIL 1300, THEN 20 TO 25 MPH UNTIL 1500, THEN
AROUND 15 MPH.
MIXING HEIGHT.......200-1800 FT AGL.
SMOKE DISPERSAL.....POOR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....34-39.
24 HR TREND......8 DEGREES WARMER.
MAX HUMIDITY........63-69 PERCENT.
24 HR TREND......21 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH. GUSTS UP TO 25
MPH UNTIL 2400, THEN 30 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 2300, THEN AROUND
25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 2200, THEN AROUND
25 MPH.
MIXING HEIGHT.......200-600 FT AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....46-51.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........36-42 PERCENT.
24 HR TREND......14 PERCENT DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO
AROUND 30 MPH UNTIL 1500, THEN WEST AROUND 10
MPH AND GUSTY.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 1200, THEN WEST
AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 20 TO 25 MPH UNTIL 1500, THEN AROUND 15
MPH.
MIXING HEIGHT.......200-1600 FT AGL.
SMOKE DISPERSAL.....POOR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 30S. WEST
WINDS AROUND 10 MPH.
FRIDAY THROUGH SUNDAY
PARTLY CLOUDY. LOWS 29 TO 34. HIGHS
45 TO 50. SOUTHWEST WINDS AROUND 10 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 30S.
HIGHS IN THE UPPER 40S.
WYZ286-102300-
ABSAROKA MOUNTAINS/NORTH SHOSHONE NF-
INCLUDING THE CITY OF PAHASKA
501 AM MST WED DEC 10 2025
..WINTER STORM WARNING IN EFFECT UNTIL 5 PM MST THIS AFTERNOON
TODAY
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
PATCHY BLOWING SNOW EARLY IN THE MORNING.
BLOWING SNOW EARLY IN THE MORNING. SNOW AND
RAIN IN THE MORNING, THEN CHANCE OF RAIN AND
SNOW IN THE AFTERNOON. SNOW ACCUMULATION UP TO
5 INCHES. CHANCE OF PRECIPITATION NEAR 100
PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....40-45.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........62-68 PERCENT.
24 HR TREND......9 PERCENT WETTER.
20-FOOT WINDS.......WINDY. WEST WINDS AROUND 20 MPH WITH GUSTS TO
AROUND 40 MPH UNTIL 0900, THEN AROUND 30 MPH
WITH GUSTS TO AROUND 55 MPH.
RIDGE TOP WINDS.....WEST 20 TO 25 MPH UNTIL 0800, THEN 30 TO 35
MPH.
CHC OF WETTING RAIN.40 PERCENT UNTIL 1200, THEN 20 PERCENT.
TRANSPORT WINDS.....WEST 25 TO 30 MPH UNTIL 0900, THEN 35 TO 40 MPH
UNTIL 1400, THEN 40 TO 45 MPH UNTIL 1700, THEN
AROUND 35 MPH.
MIXING HEIGHT.......400-2200 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....32-37.
24 HR TREND......7 DEGREES WARMER.
MAX HUMIDITY........73-79 PERCENT.
24 HR TREND......12 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......WINDY. WEST WINDS 30 TO 35 MPH WITH GUSTS TO
AROUND 55 MPH.
RIDGE TOP WINDS.....WEST 35 TO 40 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 35 TO 40 MPH.
MIXING HEIGHT.......400-2000 FT AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SNOW LATE IN
THE MORNING. CHANCE OF SNOW EARLY IN THE
AFTERNOON. CHANCE OF SNOW 50 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....39-44.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........56-62 PERCENT.
24 HR TREND......7 PERCENT DRIER.
20-FOOT WINDS.......WINDY. WEST WINDS 30 TO 35 MPH UNTIL 1500, THEN
AROUND 25 MPH. GUSTS UP TO 55 MPH.
RIDGE TOP WINDS.....WEST 35 TO 40 MPH UNTIL 1400, THEN AROUND 30
MPH.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
TRANSPORT WINDS.....WEST 40 TO 45 MPH UNTIL 1600, THEN 30 TO 35
MPH.
MIXING HEIGHT.......600-2600 FT AGL.
SMOKE DISPERSAL.....FAIR TO GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY WITH CHANCE OF SNOW. LOWS AROUND
30. WEST WINDS AROUND 20 MPH.
FRIDAY
BREEZY. PARTLY CLOUDY WITH CHANCE OF SNOW. LOWS IN THE
UPPER 20S. HIGHS IN THE UPPER 30S. WEST WINDS AROUND 25 MPH.
SATURDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SNOW. LOWS IN THE MID
20S. HIGHS IN THE UPPER 30S. WEST WINDS AROUND 15 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS IN THE LOWER
40S. WEST WINDS AROUND 15 MPH.
MONDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS. LOWS
IN THE UPPER 20S. HIGHS IN THE UPPER 30S.
TUESDAY
PARTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. HIGHS IN
THE UPPER 30S.
WYZ140-102300-
YELLOWSTONE NATIONAL PARK-
INCLUDING THE CITIES OF LAKE, MAMMOTH, AND OLD FAITHFUL
501 AM MST WED DEC 10 2025
..WINTER STORM WARNING IN EFFECT UNTIL 5 PM MST THIS AFTERNOON
TODAY
SKY/WEATHER.........CLOUDY. PATCHY BLOWING SNOW IN THE MORNING.
SNOW IN THE MORNING. CHANCE OF RAIN THROUGH THE
DAY. CHANCE OF SNOW IN THE AFTERNOON. SNOW
ACCUMULATION UP TO 3 INCHES. CHANCE OF
PRECIPITATION NEAR 100 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....38-43.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........76-82 PERCENT.
24 HR TREND......9 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 15 MPH WITH GUSTS TO
AROUND 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 20 MPH.
CHC OF WETTING RAIN.55 PERCENT UNTIL 1200, THEN 25 PERCENT.
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 1400, THEN 25 TO
30 MPH.
MIXING HEIGHT.......400-1600 FT AGL.
SMOKE DISPERSAL.....POOR.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
SLIGHT CHANCE OF RAIN AND SNOW EARLY IN THE
EVENING. CHANCE OF PRECIPITATION 20 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....29-34.
24 HR TREND......5 DEGREES WARMER.
MAX HUMIDITY........82-88 PERCENT.
24 HR TREND......UNCHANGED.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 20 MPH WITH GUSTS TO
AROUND 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 25 MPH.
MIXING HEIGHT.......400-1400 FT AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
SLIGHT CHANCE OF SNOW EARLY IN THE MORNING.
CHANCE OF SNOW EARLY IN THE AFTERNOON. CHANCE
OF RAIN LATE IN THE AFTERNOON. CHANCE OF
PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....35-40.
24 HR TREND......3 DEGREES COOLER.
MIN HUMIDITY........71-77 PERCENT.
24 HR TREND......7 PERCENT DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 15 MPH WITH GUSTS TO
AROUND 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 1500, THEN AROUND
15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 25 TO 30 MPH UNTIL 1700, THEN AROUND
20 MPH.
MIXING HEIGHT.......800-2200 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
CLOUDY WITH CHANCE OF SNOW. LOWS IN THE UPPER
20S. SOUTHWEST WINDS AROUND 15 MPH.
FRIDAY
MOSTLY CLOUDY WITH CHANCE OF SNOW AND SLIGHT CHANCE OF
RAIN. LOWS IN THE LOWER 20S. HIGHS IN THE MID 30S. SOUTHWEST
WINDS AROUND 15 MPH.
SATURDAY
PARTLY CLOUDY. LOWS AROUND 16. HIGHS IN THE MID 30S.
WINDS GENERALLY LESS THAN 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS AROUND 18. HIGHS IN THE UPPER 30S.
WINDS GENERALLY LESS THAN 10 MPH.
MONDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS. LOWS IN
THE MID 20S. HIGHS IN THE MID 30S.
TUESDAY
MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. HIGHS IN
THE MID 30S.
WYZ415-102300-
NORTH ZONE BRIDGER TETON NF AND GRAND TETON NP-
INCLUDING THE CITIES OF JACKSON AND MORAN
501 AM MST WED DEC 10 2025
..WINTER STORM WARNING IN EFFECT UNTIL 5 PM MST THIS AFTERNOON
TODAY
SKY/WEATHER.........MOSTLY CLOUDY. PATCHY BLOWING SNOW IN THE
MORNING. SNOW AND RAIN IN THE MORNING, THEN
RAIN AND SNOW LIKELY IN THE AFTERNOON. SNOW
ACCUMULATION UP TO 4 INCHES. CHANCE OF
PRECIPITATION NEAR 100 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....36-41.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........77-83 PERCENT.
24 HR TREND......2 PERCENT DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 15 MPH WITH GUSTS TO
AROUND 30 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.
CHC OF WETTING RAIN.60 PERCENT UNTIL 1200, THEN 25 PERCENT.
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH.
MIXING HEIGHT.......400-1800 FT AGL.
SMOKE DISPERSAL.....POOR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW
EARLY IN THE EVENING. CHANCE OF PRECIPITATION
20 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....26-31.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........85-91 PERCENT.
24 HR TREND......5 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 15 MPH. GUSTS UP TO 30
MPH UNTIL 0300, THEN 20 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.
MIXING HEIGHT.......400-1400 FT AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SNOW IN THE
LATE MORNING AND AFTERNOON. CHANCE OF SNOW 20
PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....34-39.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........67-73 PERCENT.
24 HR TREND......11 PERCENT DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS TO
AROUND 25 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH.
MIXING HEIGHT.......600-2200 FT AGL.
SMOKE DISPERSAL.....POOR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SNOW IN THE EVENING,
THEN CHANCE OF SNOW AND SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.
LOWS IN THE MID 20S. SOUTHWEST WINDS AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY. CHANCE OF SNOW AND SLIGHT CHANCE OF
RAIN. LOWS AROUND 20. HIGHS IN THE UPPER 30S. SOUTHWEST WINDS
AROUND 10 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLEAR. LOWS 15 TO 20. HIGHS
35 TO 40. WINDS GENERALLY LESS THAN 10 MPH.
MONDAY
PARTLY CLOUDY. CHANCE OF SNOW SHOWERS. LOWS IN THE MID
20S. HIGHS IN THE MID 30S.
TUESDAY
SNOW SHOWERS LIKELY IN THE MORNING, THEN SNOW SHOWERS
AND SHOWERS LIKELY IN THE AFTERNOON. HIGHS IN THE MID 30S.
WYZ416-102300-
WEST WIND RIVER MOUNTAINS/EAST ZONE BRIDGER TETON NF-
501 AM MST WED DEC 10 2025
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
TODAY
SKY/WEATHER.........MOSTLY CLOUDY. PATCHY BLOWING SNOW IN THE
MORNING. SNOW IN THE MORNING. CHANCE OF RAIN
THROUGH THE DAY. CHANCE OF SNOW IN THE
AFTERNOON. SNOW ACCUMULATION UP TO 2 INCHES.
CHANCE OF PRECIPITATION 90 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....36-41.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........72-78 PERCENT.
24 HR TREND......2 PERCENT WETTER.
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH. GUSTS UP TO 35 MPH
UNTIL 1200, THEN 40 MPH.
RIDGE TOP WINDS.....WEST 20 TO 25 MPH.
CHC OF WETTING RAIN.35 PERCENT UNTIL 1200, THEN 5 PERCENT.
TRANSPORT WINDS.....WEST 20 TO 25 MPH UNTIL 1100, THEN 30 TO 35 MPH
UNTIL 1700, THEN AROUND 25 MPH.
MIXING HEIGHT.......400-1800 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....24-29.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........85-91 PERCENT.
24 HR TREND......5 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 35
MPH.
RIDGE TOP WINDS.....WEST 20 TO 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 20 TO 25 MPH.
MIXING HEIGHT.......400-1600 FT AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY THEN
BECOMING PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....34-39.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........60-66 PERCENT.
24 HR TREND......17 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 35
MPH.
RIDGE TOP WINDS.....WEST 20 TO 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 25 TO 30 MPH UNTIL 1700, THEN AROUND 20
MPH.
MIXING HEIGHT.......600-2200 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW AFTER
MIDNIGHT. LOWS IN THE LOWER 20S. WEST WINDS AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. LOWS AROUND
20. HIGHS IN THE MID 30S. WEST WINDS AROUND 10 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLEAR. LOWS AROUND 19. HIGHS
34 TO 39. WINDS GENERALLY LESS THAN 10 MPH.
MONDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS. LOWS IN
THE LOWER 20S. HIGHS IN THE MID 30S.
TUESDAY
MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. HIGHS IN
THE LOWER 30S.
WYZ288-102300-
EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF-
INCLUDING THE CITIES OF DUBOIS AND SOUTH PASS
501 AM MST WED DEC 10 2025
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
TODAY
SKY/WEATHER.........PARTLY CLOUDY. PATCHY BLOWING SNOW IN THE
MORNING. CHANCE OF SNOW AND RAIN THROUGH THE
DAY. CHANCE OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....41-46.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........65-71 PERCENT.
24 HR TREND......3 PERCENT WETTER.
20-FOOT WINDS.......WINDY. WEST WINDS 25 TO 30 MPH. GUSTS UP TO 40
MPH UNTIL 0900, THEN 50 MPH.
RIDGE TOP WINDS.....WEST 25 TO 30 MPH UNTIL 0900, THEN 30 TO 35
MPH.
CHC OF WETTING RAIN.15 PERCENT UNTIL 1200, THEN 5 PERCENT.
TRANSPORT WINDS.....WEST 25 TO 30 MPH UNTIL 0900, THEN 35 TO 40 MPH
UNTIL 1700, THEN AROUND 30 MPH.
MIXING HEIGHT.......400-1800 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....29-34.
24 HR TREND......5 DEGREES WARMER.
MAX HUMIDITY........74-80 PERCENT.
24 HR TREND......14 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......WINDY. WEST WINDS 25 TO 30 MPH WITH GUSTS TO
AROUND 50 MPH.
RIDGE TOP WINDS.....WEST 30 TO 35 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 30 TO 35 MPH UNTIL 0400, THEN AROUND 40
MPH.
MIXING HEIGHT.......400-1200 FT AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY THEN
BECOMING PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....40-45.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........49-55 PERCENT.
24 HR TREND......17 PERCENT DRIER.
20-FOOT WINDS.......WINDY. WEST WINDS 25 TO 30 MPH WITH GUSTS TO
AROUND 50 MPH.
RIDGE TOP WINDS.....WEST 30 TO 35 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 35 TO 40 MPH UNTIL 1600, THEN AROUND 30
MPH.
MIXING HEIGHT.......400-2000 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW AFTER
MIDNIGHT. LOWS AROUND 30. WEST WINDS AROUND 20 MPH.
FRIDAY THROUGH SATURDAY
BREEZY. PARTLY CLOUDY. LOWS IN THE
UPPER 20S. HIGHS IN THE LOWER 40S. WEST WINDS 15 TO 25 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE LOWER
40S. WEST WINDS AROUND 15 MPH.
MONDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS. LOWS IN
THE UPPER 20S. HIGHS IN THE LOWER 40S.
TUESDAY
PARTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. HIGHS IN
THE UPPER 30S.
WYZ414-102300-
SALT AND WYOMING RANGES/WEST ZONE BRIDGER TETON NF-
INCLUDING THE CITY OF AFTON
501 AM MST WED DEC 10 2025
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
TODAY
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
PATCHY BLOWING SNOW UNTIL LATE AFTERNOON. SNOW
AND RAIN IN THE MORNING. CHANCE OF RAIN AND
SNOW IN THE AFTERNOON. SNOW ACCUMULATION UP TO
2 INCHES. CHANCE OF PRECIPITATION 90 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....35-40.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........81-87 PERCENT.
24 HR TREND......3 PERCENT WETTER.
20-FOOT WINDS.......WEST WINDS AROUND 20 MPH WITH GUSTS TO AROUND
40 MPH.
RIDGE TOP WINDS.....WEST 25 TO 30 MPH UNTIL 1700, THEN AROUND 20
MPH.
CHC OF WETTING RAIN.45 PERCENT UNTIL 1200, THEN 5 PERCENT.
TRANSPORT WINDS.....WEST 25 TO 30 MPH.
MIXING HEIGHT.......400-1600 FT AGL.
SMOKE DISPERSAL.....POOR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....25-30.
24 HR TREND......1 DEGREE COOLER.
MAX HUMIDITY........83-89 PERCENT.
24 HR TREND......6 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 35
MPH.
RIDGE TOP WINDS.....WEST 20 TO 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 20 TO 25 MPH.
MIXING HEIGHT.......400-1600 FT AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY THEN
BECOMING PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....33-38.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........63-69 PERCENT.
24 HR TREND......15 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 35
MPH.
RIDGE TOP WINDS.....WEST 20 TO 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 20 TO 25 MPH.
MIXING HEIGHT.......400-2000 FT AGL.
SMOKE DISPERSAL.....POOR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S. WEST WINDS
AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AND SNOW. LOWS
IN THE LOWER 20S. HIGHS IN THE UPPER 30S. WEST WINDS AROUND
10 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLEAR. LOWS AROUND 20. HIGHS
37 TO 42. WINDS GENERALLY LESS THAN 10 MPH.
MONDAY
PARTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. LOWS IN THE
MID 20S. HIGHS IN THE UPPER 30S.
TUESDAY
SNOW SHOWERS LIKELY IN THE MORNING, THEN SNOW SHOWERS
AND SHOWERS LIKELY IN THE AFTERNOON. HIGHS IN THE MID 30S.
WYZ278-102300-
UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM-
INCLUDING THE CITIES OF BIG PINEY, FARSON, AND PINEDALE
501 AM MST WED DEC 10 2025
TODAY
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
CHANCE OF RAIN AND SNOW IN THE MORNING. SLIGHT
CHANCE OF RAIN IN THE AFTERNOON. CHANCE OF
PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....41-46.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........67-73 PERCENT.
24 HR TREND......7 PERCENT WETTER.
20-FOOT WINDS.......BREEZY. WEST WINDS 15 TO 20 MPH WITH GUSTS TO
AROUND 35 MPH UNTIL 1200, THEN 20 TO 25 MPH
WITH GUSTS TO AROUND 40 MPH.
RIDGE TOP WINDS.....WEST 20 TO 25 MPH UNTIL 1100, THEN 25 TO 30 MPH
UNTIL 1700, THEN AROUND 20 MPH.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
TRANSPORT WINDS.....WEST 20 TO 25 MPH UNTIL 1100, THEN 30 TO 35 MPH
UNTIL 1700, THEN AROUND 20 MPH.
MIXING HEIGHT.......600-2400 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....25-30.
24 HR TREND......3 DEGREES COOLER.
MAX HUMIDITY........85-91 PERCENT.
24 HR TREND......2 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25
MPH.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH.
MIXING HEIGHT.......400-1000 FT AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....40-45.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........50-56 PERCENT.
24 HR TREND......16 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25
MPH UNTIL 1200, THEN 15 TO 20 MPH WITH GUSTS TO
AROUND 35 MPH.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH UNTIL 1200, THEN 20 TO 25
MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH UNTIL 1100, THEN 20 TO 25
MPH.
MIXING HEIGHT.......400-2000 FT AGL.
SMOKE DISPERSAL.....POOR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S. WEST WINDS
AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE MID
40S. WEST WINDS AROUND 10 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLEAR. LOWS AROUND 18. HIGHS IN
THE MID 40S. WINDS GENERALLY LESS THAN 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE
LOWER 40S.
TUESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS IN THE
MORNING, THEN SLIGHT CHANCE OF SHOWERS AND SNOW SHOWERS IN THE
AFTERNOON. HIGHS IN THE LOWER 40S.
WYZ277-102300-
LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS-
INCLUDING THE CITIES OF EVANSTON, FORT BRIDGER, AND KEMMERER
501 AM MST WED DEC 10 2025
..HIGH WIND WARNING IN EFFECT UNTIL 5 AM MST THURSDAY
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
TODAY
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
SLIGHT CHANCE OF SNOW EARLY IN THE MORNING.
SLIGHT CHANCE OF RAIN IN THE MORNING. CHANCE OF
PRECIPITATION 20 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....41-46.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........69-75 PERCENT.
24 HR TREND......14 PERCENT WETTER.
20-FOOT WINDS.......BREEZY. WEST WINDS 20 TO 25 MPH WITH GUSTS TO
AROUND 35 MPH.
RIDGE TOP WINDS.....WEST 25 TO 30 MPH UNTIL 1700, THEN AROUND 20
MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 25 TO 30 MPH UNTIL 1700, THEN AROUND 20
MPH.
MIXING HEIGHT.......400-2200 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....27-32.
24 HR TREND......2 DEGREES COOLER.
MAX HUMIDITY........85-91 PERCENT.
24 HR TREND......7 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......WEST WINDS AROUND 15 MPH WITH GUSTS TO AROUND
25 MPH.
RIDGE TOP WINDS.....WEST AROUND 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST AROUND 20 MPH.
MIXING HEIGHT.......400-1000 FT AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....41-46.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........56-62 PERCENT.
24 HR TREND......16 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 30
MPH.
RIDGE TOP WINDS.....WEST 20 TO 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 20 TO 25 MPH UNTIL 1400. AROUND 20 MPH
AFTER 1600.
MIXING HEIGHT.......400-2000 FT AGL.
SMOKE DISPERSAL.....POOR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 20S. WEST
WINDS AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN THE MID
40S. WEST WINDS AROUND 10 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 20S.
HIGHS IN THE MID 40S. WINDS GENERALLY LESS THAN 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS IN THE MID
40S.
TUESDAY
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS IN THE MORNING,
THEN SLIGHT CHANCE OF SHOWERS AND SNOW SHOWERS IN THE AFTERNOON.
HIGHS IN THE LOWER 40S.
WYZ279-102300-
SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA-
INCLUDING THE CITIES OF GREEN RIVER, ROCK SPRINGS, AND WAMSUTTER
501 AM MST WED DEC 10 2025
..HIGH WIND WARNING IN EFFECT UNTIL 5 AM MST THURSDAY
TODAY
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....47-52.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........59-65 PERCENT.
24 HR TREND......13 PERCENT WETTER.
20-FOOT WINDS.......BREEZY. WEST WINDS 20 TO 25 MPH. GUSTS UP TO 35
MPH UNTIL 1200, THEN 40 MPH.
RIDGE TOP WINDS.....WEST 25 TO 30 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 25 TO 30 MPH UNTIL 1000, THEN 30 TO 35 MPH
UNTIL 1700, THEN AROUND 25 MPH.
MIXING HEIGHT.......600-2600 FT AGL UNTIL 1200, THEN 1600-3200 FT
AGL UNTIL 1700, THEN 1000-1200 FT AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1700, THEN POOR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....33-38.
24 HR TREND......1 DEGREE COOLER.
MAX HUMIDITY........71-77 PERCENT.
24 HR TREND......10 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS TO
AROUND 30 MPH.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 20 TO 25 MPH.
MIXING HEIGHT.......400-1200 FT AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....47-52.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........41-47 PERCENT.
24 HR TREND......22 PERCENT DRIER.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 15 TO 20 MPH UNTIL
1200, THEN WEST 20 TO 25 MPH. GUSTS UP TO 35
MPH.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 1200. WEST AFTER
1700.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 20 TO 25 MPH UNTIL 1000, THEN 30 TO 35 MPH
UNTIL 1600, THEN AROUND 25 MPH.
MIXING HEIGHT.......800-2800 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 30S. WEST
WINDS AROUND 15 MPH.
FRIDAY THROUGH SUNDAY
PARTLY CLOUDY. LOWS 26 TO 31. HIGHS
46 TO 51. SOUTHWEST WINDS 10 TO 15 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 20S.
HIGHS 44 TO 49.
WYZ289-102300-
GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-
INCLUDING THE CITY OF JEFFREY CITY
501 AM MST WED DEC 10 2025
..HIGH WIND WARNING IN EFFECT UNTIL 5 AM MST THURSDAY
TODAY
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....43-48.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........62-68 PERCENT.
24 HR TREND......6 PERCENT WETTER.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 20 TO 25 MPH. GUSTS UP
TO 30 MPH UNTIL 0900, THEN 40 MPH.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 1000, THEN 25 TO
30 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH UNTIL 0900, THEN WEST 30
TO 35 MPH.
MIXING HEIGHT.......400-2400 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....34-39.
24 HR TREND......6 DEGREES WARMER.
MAX HUMIDITY........77-83 PERCENT.
24 HR TREND......16 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS AROUND 25 MPH WITH
GUSTS TO AROUND 45 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 30 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 30 MPH.
MIXING HEIGHT.......400-800 FT AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....44-49.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........45-51 PERCENT.
24 HR TREND......18 PERCENT DRIER.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 20 TO 25 MPH WITH GUSTS
TO AROUND 45 MPH.
RIDGE TOP WINDS.....SOUTHWEST 25 TO 30 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 30 TO 35 MPH UNTIL 1600, THEN AROUND 25
MPH.
MIXING HEIGHT.......400-2000 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTHWEST
WINDS AROUND 15 MPH.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS 28 TO 33. HIGHS IN
THE UPPER 40S. SOUTHWEST WINDS 10 TO 20 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER
40S. SOUTHWEST WINDS AROUND 10 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 30S.
HIGHS IN THE UPPER 40S.
WYZ300-102300-
CASPER MOUNTAIN-
501 AM MST WED DEC 10 2025
..HIGH WIND WARNING IN EFFECT UNTIL 5 AM MST THURSDAY
TODAY
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....43-48.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........67-73 PERCENT.
24 HR TREND......7 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH AND GUSTY UNTIL
0900, THEN AROUND 20 MPH WITH GUSTS TO AROUND
35 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH UNTIL 1000, THEN AROUND
25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 0900. WEST 30 TO
35 MPH AFTER 1100.
MIXING HEIGHT.......400-2400 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....36-41.
24 HR TREND......11 DEGREES WARMER.
MAX HUMIDITY........72-78 PERCENT.
24 HR TREND......16 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS AROUND 25 MPH WITH
GUSTS TO AROUND 45 MPH.
RIDGE TOP WINDS.....SOUTHWEST 25 TO 30 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 30 MPH.
MIXING HEIGHT.......200-800 FT AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN
BECOMING MOSTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....43-48.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........45-51 PERCENT.
24 HR TREND......23 PERCENT DRIER.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 20 TO 25 MPH WITH GUSTS
TO AROUND 40 MPH.
RIDGE TOP WINDS.....SOUTHWEST 25 TO 30 MPH UNTIL 1700, THEN AROUND
20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 30 TO 35 MPH UNTIL 1600, THEN WEST
AROUND 25 MPH.
MIXING HEIGHT.......200-1800 FT AGL.
SMOKE DISPERSAL.....POOR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 30. SOUTHWEST WINDS
AROUND 10 MPH.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 30S.
HIGHS 41 TO 46. SOUTHWEST WINDS 10 TO 15 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER
40S. SOUTHWEST WINDS AROUND 15 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE MID
40S.
TUESDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 40S.
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