036
FNUS55 KRIW 091202
FWFRIW
FIRE WEATHER PLANNING FORECAST FOR WESTERN AND CENTRAL WYOMING
NATIONAL WEATHER SERVICE RIVERTON WY
501 AM MST FRI JAN 9 2026
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---
WYZ280-092300-
NATRONA COUNTY/CASPER BLM-
INCLUDING THE CITIES OF CASPER AND MIDWEST
501 AM MST FRI JAN 9 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....27-32.
24 HR TREND......7 DEGREES COOLER.
MIN HUMIDITY........35-41 PERCENT.
24 HR TREND......10 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 30 MPH.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH UNTIL 1200, THEN 20 TO 25
MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 1000, THEN 25 TO
30 MPH UNTIL 1700, THEN WEST AROUND 20 MPH.
MIXING HEIGHT.......600-2000 FT AGL UNTIL 1000, THEN 3000-5000 FT
AGL UNTIL 1300, THEN 3400-5400 FT AGL UNTIL
1700, THEN 800-1000 FT AGL.
SMOKE DISPERSAL.....POOR UNTIL 1000, THEN GOOD TO VERY GOOD UNTIL
1700, THEN POOR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....15-20.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........55-61 PERCENT.
24 HR TREND......32 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
20-FOOT WINDS.......WEST WINDS AROUND 15 MPH. GUSTS UP TO 25 MPH
UNTIL 0300, THEN 30 MPH.
RIDGE TOP WINDS.....WEST AROUND 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 20 TO 25 MPH.
MIXING HEIGHT.......400-800 FT AGL.
SMOKE DISPERSAL.....POOR.
SATURDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....35-40.
24 HR TREND......8 DEGREES WARMER.
MIN HUMIDITY........41-47 PERCENT.
24 HR TREND......4 PERCENT WETTER.
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, THEN 25 TO 30 MPH
UNTIL 1600, THEN AROUND 20 MPH.
MIXING HEIGHT.......600-2600 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTHWEST
WINDS AROUND 15 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS IN THE MID
40S. SOUTHWEST WINDS AROUND 15 MPH.
MONDAY
PARTLY CLOUDY. LOWS AROUND 30. HIGHS IN THE UPPER 40S.
SOUTHWEST WINDS AROUND 15 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS IN THE
UPPER 40S. WEST WINDS AROUND 10 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER
20S. HIGHS 45 TO 50.
WYZ283-092300-
UPPER WIND RIVER BASIN/WIND RIVER BASIN-
INCLUDING THE CITIES OF CROWHEART, LANDER, RIVERTON, AND SHOSHONI
501 AM MST FRI JAN 9 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....27-32.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........33-39 PERCENT.
24 HR TREND......12 PERCENT DRIER.
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.....NORTHWEST 15 TO 20 MPH.
MIXING HEIGHT.......600-2200 FT AGL UNTIL 1100, THEN 2600-4600 FT
AGL UNTIL 1700, THEN 800-1000 FT AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1700, THEN POOR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....14-19.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........62-68 PERCENT.
24 HR TREND......10 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
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.......600-1000 FT AGL.
SMOKE DISPERSAL.....POOR.
SATURDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....36-41.
24 HR TREND......7 DEGREES WARMER.
MIN HUMIDITY........38-44 PERCENT.
24 HR TREND......5 PERCENT WETTER.
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH HIGHER GUSTS.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH UNTIL 1700, THEN AROUND 10
MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH.
MIXING HEIGHT.......400-2000 FT AGL.
SMOKE DISPERSAL.....POOR.
FORECAST DAYS 3 THROUGH 7...
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 20. SOUTHWEST WINDS
AROUND 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 20S. HIGHS IN THE MID
40S. SOUTHWEST WINDS AROUND 10 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE UPPER 20S.
HIGHS IN THE UPPER 40S. WEST WINDS AROUND 10 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER
20S. HIGHS 46 TO 51.
WYZ285-092300-
SOUTH BIGHORN MOUNTAINS-
501 AM MST FRI JAN 9 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....22-27.
24 HR TREND......8 DEGREES COOLER.
MIN HUMIDITY........44-50 PERCENT.
24 HR TREND......13 PERCENT DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 15 TO 20 MPH. GUSTS UP TO 25
MPH UNTIL 0900, THEN 35 MPH.
RIDGE TOP WINDS.....NORTHWEST 20 TO 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST 20 TO 25 MPH UNTIL 1100. WEST AFTER
1700.
MIXING HEIGHT.......200-1400 FT AGL UNTIL 1000, THEN 1800-3800 FT
AGL UNTIL 1700, THEN 400-800 FT AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 1700, THEN POOR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....15-20.
24 HR TREND......4 DEGREES WARMER.
MAX HUMIDITY........56-62 PERCENT.
24 HR TREND......35 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
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.
MIXING HEIGHT.......200-600 FT AGL.
SMOKE DISPERSAL.....POOR.
SATURDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....30-35.
24 HR TREND......9 DEGREES WARMER.
MIN HUMIDITY........41-47 PERCENT.
24 HR TREND......UNCHANGED.
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.....NORTHWEST 20 TO 25 MPH.
MIXING HEIGHT.......200-1800 FT AGL.
SMOKE DISPERSAL.....POOR.
FORECAST DAYS 3 THROUGH 7...
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S. WEST WINDS
AROUND 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE LOWER
40S. SOUTHWEST WINDS AROUND 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE MID
40S. WEST WINDS AROUND 10 MPH.
TUESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS. LOWS IN
THE UPPER 20S. HIGHS IN THE LOWER 40S. NORTHWEST WINDS AROUND
10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE
LOWER 40S.
THURSDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SNOW SHOWERS IN THE
AFTERNOON. HIGHS IN THE UPPER 30S.
WYZ281-092300-
JOHNSON COUNTY/CASPER BLM-
INCLUDING THE CITIES OF BUFFALO AND KAYCEE
501 AM MST FRI JAN 9 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....28-33.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........37-43 PERCENT.
24 HR TREND......12 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25
MPH UNTIL 1200, THEN NORTHWEST 15 TO 20 MPH
WITH GUSTS TO AROUND 30 MPH.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH UNTIL 1100, THEN NORTHWEST 20
TO 25 MPH UNTIL 1700, THEN WEST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 1100, THEN 25 TO
30 MPH UNTIL 1600, THEN WEST 15 TO 20 MPH.
MIXING HEIGHT.......600-1200 FT AGL UNTIL 1000, THEN 3600-5600 FT
AGL UNTIL 1600, THEN 600-2200 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1100, THEN GOOD TO VERY GOOD
UNTIL 1600, THEN POOR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....18-23.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........55-61 PERCENT.
24 HR TREND......34 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
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.......400-800 FT AGL.
SMOKE DISPERSAL.....POOR.
SATURDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....38-43.
24 HR TREND......9 DEGREES WARMER.
MIN HUMIDITY........35-41 PERCENT.
24 HR TREND......2 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH. GUSTS UP TO 30 MPH
UNTIL 1500, THEN 20 MPH.
RIDGE TOP WINDS.....WEST 20 TO 25 MPH UNTIL 1600, THEN AROUND 15
MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST 20 TO 25 MPH UNTIL 1600, THEN WEST
AROUND 15 MPH.
MIXING HEIGHT.......1200-3200 FT AGL UNTIL 1700, THEN 400-800 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S. SOUTHWEST
WINDS AROUND 10 MPH.
SUNDAY
WARMER. MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN
THE LOWER 50S. SOUTHWEST WINDS AROUND 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE MID
50S. WEST WINDS AROUND 10 MPH.
TUESDAY
MOSTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN
THE LOWER 30S. HIGHS IN THE LOWER 50S. NORTHWEST WINDS AROUND
10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE
LOWER 50S.
THURSDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SNOW SHOWERS IN THE
AFTERNOON. HIGHS IN THE UPPER 40S.
WYZ282-092300-
SOUTH BIGHORN BASIN/WORLAND BLM-
INCLUDING THE CITIES OF TEN SLEEP, THERMOPOLIS, AND WORLAND
501 AM MST FRI JAN 9 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....24-29.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........41-47 PERCENT.
24 HR TREND......18 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH AND GUSTY UNTIL 1200,
THEN NORTHWEST WITH HIGHER GUSTS.
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH UNTIL 1700, THEN
NORTHEAST.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH UNTIL 1700, THEN
SOUTHEAST.
MIXING HEIGHT.......400-2000 FT AGL UNTIL 1100, THEN 2800-4400 FT
AGL UNTIL 1600, THEN 400-2000 FT AGL.
SMOKE DISPERSAL.....POOR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....13-18.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........61-67 PERCENT.
24 HR TREND......24 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....SOUTH AROUND 10 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH UNTIL 2300, THEN SOUTHWEST.
MIXING HEIGHT.......400-600 FT AGL.
SMOKE DISPERSAL.....POOR.
SATURDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....32-37.
24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........40-46 PERCENT.
24 HR TREND......2 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH. GUSTS UP TO 10 MPH.
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH UNTIL 1400, THEN SOUTHEAST.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 1300, THEN
NORTHWEST UNTIL 1600, THEN SOUTHEAST.
MIXING HEIGHT.......400-1800 FT AGL.
SMOKE DISPERSAL.....POOR.
FORECAST DAYS 3 THROUGH 7...
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S. WINDS
GENERALLY LESS THAN 10 MPH.
SUNDAY
NOT AS COOL. MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS
IN THE MID 40S. WINDS GENERALLY LESS THAN 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS IN THE
UPPER 40S. WINDS GENERALLY LESS THAN 10 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS IN THE
UPPER 40S. WINDS GENERALLY LESS THAN 10 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER
20S. HIGHS 46 TO 51.
WYZ275-092300-
NORTH BIGHORN BASIN/WORLAND BLM-
INCLUDING THE CITIES OF GREYBULL, LOVELL, AND POWELL
501 AM MST FRI JAN 9 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....23-28.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........44-50 PERCENT.
24 HR TREND......10 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH UNTIL 1500, THEN
SOUTH. GUSTS UP TO 20 MPH.
RIDGE TOP WINDS.....WEST AROUND 15 MPH UNTIL 0900. SOUTH AFTER
1600.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST AROUND 15 MPH UNTIL 1700, THEN SOUTH.
MIXING HEIGHT.......600-2600 FT AGL UNTIL 1200, THEN 2600-4000 FT
AGL UNTIL 1600, THEN 600-1800 FT AGL.
SMOKE DISPERSAL.....POOR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....14-19.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........62-68 PERCENT.
24 HR TREND......8 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH WITH GUSTS TO AROUND
25 MPH.
RIDGE TOP WINDS.....SOUTH AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......400-800 FT AGL.
SMOKE DISPERSAL.....POOR.
SATURDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....32-37.
24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........40-46 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH WITH HIGHER GUSTS.
RIDGE TOP WINDS.....SOUTH AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 1500, THEN SOUTH.
MIXING HEIGHT.......400-1600 FT AGL.
SMOKE DISPERSAL.....POOR.
FORECAST DAYS 3 THROUGH 7...
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 20S. WINDS
GENERALLY LESS THAN 10 MPH.
SUNDAY THROUGH MONDAY
PARTLY CLOUDY. LOWS 25 TO 30. HIGHS
44 TO 49. WINDS GENERALLY LESS THAN 10 MPH.
TUESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND SNOW
SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 40S. WINDS
GENERALLY LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE
UPPER 40S.
THURSDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SNOW SHOWERS IN THE
AFTERNOON. HIGHS IN THE MID 40S.
WYZ276-092300-
CODY FOOTHILLS-
INCLUDING THE CITIES OF CLARK, CODY, AND MEETEETSE
501 AM MST FRI JAN 9 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....28-33.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........36-42 PERCENT.
24 HR TREND......15 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH. GUSTS UP TO 30 MPH
UNTIL 1500, THEN 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.......600-2200 FT AGL UNTIL 1100, THEN 2000-4000 FT
AGL UNTIL 1700, THEN 800-1400 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....19-24.
24 HR TREND......5 DEGREES WARMER.
MAX HUMIDITY........50-56 PERCENT.
24 HR TREND......25 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
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.......600-1200 FT AGL.
SMOKE DISPERSAL.....POOR.
SATURDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....37-42.
24 HR TREND......9 DEGREES WARMER.
MIN HUMIDITY........36-42 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......WEST WINDS 15 TO 20 MPH. GUSTS UP TO 35 MPH
UNTIL 1500, THEN 25 MPH.
RIDGE TOP WINDS.....WEST 20 TO 25 MPH UNTIL 1700, THEN SOUTHWEST
AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 20 TO 25 MPH.
MIXING HEIGHT.......600-2000 FT AGL.
SMOKE DISPERSAL.....POOR.
FORECAST DAYS 3 THROUGH 7...
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHWEST
WINDS AROUND 15 MPH.
SUNDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS 30 TO 35. HIGHS
47 TO 52. WEST WINDS 10 TO 15 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER
30S. HIGHS 47 TO 52.
WYZ287-092300-
OWL CREEK MOUNTAINS-
501 AM MST FRI JAN 9 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....23-28.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........35-41 PERCENT.
24 HR TREND......19 PERCENT DRIER.
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH WITH HIGHER
GUSTS.
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 1700, THEN WEST.
MIXING HEIGHT.......200-2000 FT AGL UNTIL 1100, THEN 2000-4000 FT
AGL UNTIL 1700, THEN 400-800 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....15-20.
24 HR TREND......4 DEGREES WARMER.
MAX HUMIDITY........51-57 PERCENT.
24 HR TREND......38 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
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.......200-600 FT AGL.
SMOKE DISPERSAL.....POOR.
SATURDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....31-36.
24 HR TREND......8 DEGREES WARMER.
MIN HUMIDITY........38-44 PERCENT.
24 HR TREND......4 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH UNTIL 1500, THEN
UPSLOPE/UPVALLEY 5-9 MPH. GUSTS UP TO 15 MPH.
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......200-1600 FT AGL.
SMOKE DISPERSAL.....POOR.
FORECAST DAYS 3 THROUGH 7...
SATURDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S. SOUTHWEST
WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE LOWER
40S. SOUTHWEST WINDS AROUND 10 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 30S.
HIGHS IN THE MID 40S. WEST WINDS AROUND 10 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. LOWS AROUND 30. HIGHS
43 TO 48.
WYZ286-092300-
ABSAROKA MOUNTAINS/NORTH SHOSHONE NF-
INCLUDING THE CITY OF PAHASKA
501 AM MST FRI JAN 9 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SNOW SHOWERS LATE IN
THE MORNING. SCATTERED SNOW SHOWERS LATE IN THE
AFTERNOON, THEN ISOLATED SNOW SHOWERS LATE IN
THE AFTERNOON. CHANCE OF SNOW 50 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....17-22.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........56-62 PERCENT.
24 HR TREND......2 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.....NORTHWEST 20 TO 25 MPH UNTIL 1400, THEN WEST 25
TO 30 MPH.
MIXING HEIGHT.......1200-3200 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SNOW SHOWERS EARLY IN
THE EVENING. SCATTERED SNOW SHOWERS LATE IN THE
EVENING, THEN ISOLATED SNOW SHOWERS IN THE LATE
EVENING AND EARLY MORNING. CHANCE OF SNOW 40
PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....11-16.
24 HR TREND......7 DEGREES WARMER.
MAX HUMIDITY........66-72 PERCENT.
24 HR TREND......11 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
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.......400-1400 FT AGL.
SMOKE DISPERSAL.....POOR.
SATURDAY
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....26-31.
24 HR TREND......11 DEGREES WARMER.
MIN HUMIDITY........56-62 PERCENT.
24 HR TREND......3 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.....NORTHWEST 20 TO 25 MPH.
MIXING HEIGHT.......400-2200 FT AGL.
SMOKE DISPERSAL.....POOR.
FORECAST DAYS 3 THROUGH 7...
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 18. WEST WINDS
AROUND 15 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 20S. HIGHS IN THE MID
30S. WEST WINDS AROUND 15 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN THE UPPER
30S. WEST WINDS AROUND 20 MPH.
TUESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS. LOWS IN
THE MID 20S. HIGHS IN THE MID 30S. WEST WINDS AROUND 15 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 20S. HIGHS AROUND
40.
THURSDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SNOW SHOWERS IN THE
AFTERNOON. HIGHS IN THE MID 30S.
WYZ140-092300-
YELLOWSTONE NATIONAL PARK-
INCLUDING THE CITIES OF LAKE, MAMMOTH, AND OLD FAITHFUL
501 AM MST FRI JAN 9 2026
TODAY
SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED SNOW SHOWERS IN THE
MORNING. SCATTERED SNOW SHOWERS LATE IN THE
MORNING. CHANCE OF SNOW 50 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....18-23.
24 HR TREND......3 DEGREES COOLER.
MIN HUMIDITY........62-68 PERCENT.
24 HR TREND......1 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH. GUSTS UP TO 20 MPH
UNTIL 1500, THEN 25 MPH.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH.
MIXING HEIGHT.......600-2600 FT AGL.
SMOKE DISPERSAL.....POOR.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
SCATTERED SNOW SHOWERS EARLY IN THE EVENING.
ISOLATED SNOW SHOWERS EARLY IN THE EVENING.
CHANCE OF SNOW 50 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....10-15.
24 HR TREND......7 DEGREES WARMER.
MAX HUMIDITY........78-84 PERCENT.
24 HR TREND......3 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.LESS THAN 5 PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH.
MIXING HEIGHT.......400-1200 FT AGL.
SMOKE DISPERSAL.....POOR.
SATURDAY
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....26-31.
24 HR TREND......7 DEGREES WARMER.
MIN HUMIDITY........63-69 PERCENT.
24 HR TREND......1 PERCENT DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH AND GUSTY.
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......400-1600 FT AGL.
SMOKE DISPERSAL.....POOR.
FORECAST DAYS 3 THROUGH 7...
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 7. WINDS GENERALLY
LESS THAN 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS AROUND 11. HIGHS AROUND 30. WINDS
GENERALLY LESS THAN 10 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLOUDY WITH SLIGHT CHANCE OF
SNOW SHOWERS. LOWS AROUND 17. HIGHS IN THE LOWER 30S. WINDS
GENERALLY LESS THAN 10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS AROUND 14. HIGHS IN THE MID 30S.
THURSDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS IN THE
AFTERNOON. HIGHS IN THE LOWER 30S.
WYZ415-092300-
NORTH ZONE BRIDGER TETON NF AND GRAND TETON NP-
INCLUDING THE CITIES OF JACKSON AND MORAN
501 AM MST FRI JAN 9 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
ISOLATED SNOW SHOWERS. CHANCE OF SNOW 20
PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....14-19.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........67-73 PERCENT.
24 HR TREND......2 PERCENT DRIER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN WEST
AROUND 10 MPH. GUSTS UP TO 20 MPH.
RIDGE TOP WINDS.....WEST 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 10 TO 15 MPH UNTIL 1400, THEN 15 TO 20
MPH.
MIXING HEIGHT.......800-2800 FT AGL.
SMOKE DISPERSAL.....POOR.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY THEN
BECOMING MOSTLY CLOUDY THEN BECOMING PARTLY
CLOUDY. ISOLATED SNOW SHOWERS UNTIL EARLY
MORNING. ISOLATED SNOW SHOWERS EARLY IN THE
MORNING. CHANCE OF SNOW 20 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....5-10.
24 HR TREND......5 DEGREES WARMER.
MAX HUMIDITY........85-91 PERCENT.
24 HR TREND......4 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH AND GUSTY.
RIDGE TOP WINDS.....WEST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST AROUND 15 MPH.
MIXING HEIGHT.......400-1200 FT AGL.
SMOKE DISPERSAL.....POOR.
SATURDAY
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....21-26.
24 HR TREND......7 DEGREES WARMER.
MIN HUMIDITY........67-73 PERCENT.
24 HR TREND......1 PERCENT WETTER.
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH UNTIL 0900, THEN
UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN WEST
AROUND 10 MPH UNTIL 1500, THEN UPSLOPE/UPVALLEY
5-9 MPH. GUSTS UP TO 15 MPH.
RIDGE TOP WINDS.....WEST 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 10 TO 15 MPH.
MIXING HEIGHT.......400-2000 FT AGL.
SMOKE DISPERSAL.....POOR.
FORECAST DAYS 3 THROUGH 7...
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 9. WINDS GENERALLY
LESS THAN 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS AROUND 12. HIGHS IN THE LOWER 30S.
WINDS GENERALLY LESS THAN 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS AROUND 17. HIGHS IN THE LOWER 30S.
WINDS GENERALLY LESS THAN 10 MPH.
TUESDAY
MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS. LOWS
AROUND 19. HIGHS IN THE LOWER 30S. WINDS GENERALLY LESS THAN
10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS AROUND 15. HIGHS IN THE MID 30S.
THURSDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SNOW SHOWERS IN THE
AFTERNOON. HIGHS IN THE LOWER 30S.
WYZ416-092300-
WEST WIND RIVER MOUNTAINS/EAST ZONE BRIDGER TETON NF-
501 AM MST FRI JAN 9 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....12-17.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........60-66 PERCENT.
24 HR TREND......2 PERCENT DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 25 MPH.
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.
MIXING HEIGHT.......600-2600 FT AGL.
SMOKE DISPERSAL.....POOR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....2-7.
24 HR TREND......6 DEGREES WARMER.
MAX HUMIDITY........74-80 PERCENT.
24 HR TREND......11 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 25 MPH.
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.
MIXING HEIGHT.......400-1000 FT AGL.
SMOKE DISPERSAL.....POOR.
SATURDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....23-28.
24 HR TREND......11 DEGREES WARMER.
MIN HUMIDITY........58-64 PERCENT.
24 HR TREND......3 PERCENT DRIER.
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH WITH HIGHER
GUSTS.
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.
MIXING HEIGHT.......400-1800 FT AGL.
SMOKE DISPERSAL.....POOR.
FORECAST DAYS 3 THROUGH 7...
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 13. WINDS GENERALLY
LESS THAN 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS AROUND 16. HIGHS IN THE LOWER 30S.
WINDS GENERALLY LESS THAN 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS AROUND 19. HIGHS IN THE LOWER 30S.
NORTHWEST WINDS AROUND 10 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE
LOWER 30S. NORTHWEST WINDS AROUND 10 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. LOWS AROUND 18. HIGHS
31 TO 36.
WYZ288-092300-
EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF-
INCLUDING THE CITIES OF DUBOIS AND SOUTH PASS
501 AM MST FRI JAN 9 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....16-21.
24 HR TREND......6 DEGREES COOLER.
MIN HUMIDITY........55-61 PERCENT.
24 HR TREND......2 PERCENT DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 20
MPH UNTIL 0900, THEN 30 MPH.
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 1200, THEN 20 TO
25 MPH.
MIXING HEIGHT.......1000-3000 FT AGL UNTIL 1700, THEN 400-1000 FT
AGL.
SMOKE DISPERSAL.....POOR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....7-12.
24 HR TREND......6 DEGREES WARMER.
MAX HUMIDITY........66-72 PERCENT.
24 HR TREND......21 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......WEST WINDS AROUND 15 MPH WITH GUSTS TO AROUND
35 MPH.
RIDGE TOP WINDS.....WEST AROUND 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH.
MIXING HEIGHT.......400-800 FT AGL.
SMOKE DISPERSAL.....POOR.
SATURDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....27-32.
24 HR TREND......11 DEGREES WARMER.
MIN HUMIDITY........51-57 PERCENT.
24 HR TREND......1 PERCENT WETTER.
20-FOOT WINDS.......WEST WINDS AROUND 15 MPH WITH GUSTS TO AROUND
30 MPH.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.
MIXING HEIGHT.......400-2200 FT AGL.
SMOKE DISPERSAL.....POOR.
FORECAST DAYS 3 THROUGH 7...
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 19. WEST WINDS
AROUND 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 20S. HIGHS IN THE UPPER
30S. WEST WINDS AROUND 10 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 20S.
HIGHS IN THE UPPER 30S. WEST WINDS AROUND 15 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS IN THE
LOWER 40S.
THURSDAY
SUNNY. HIGHS IN THE UPPER 30S.
WYZ414-092300-
SALT AND WYOMING RANGES/WEST ZONE BRIDGER TETON NF-
INCLUDING THE CITY OF AFTON
501 AM MST FRI JAN 9 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....13-18.
24 HR TREND......6 DEGREES COOLER.
MIN HUMIDITY........65-71 PERCENT.
24 HR TREND......1 PERCENT DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 25 MPH.
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.
MIXING HEIGHT.......600-2600 FT AGL.
SMOKE DISPERSAL.....POOR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SNOW SHOWERS. CHANCE OF
SNOW 20 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....7-12.
24 HR TREND......5 DEGREES WARMER.
MAX HUMIDITY........83-89 PERCENT.
24 HR TREND......5 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH WITH GUSTS TO AROUND
25 MPH.
RIDGE TOP WINDS.....WEST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST AROUND 15 MPH.
MIXING HEIGHT.......400-1200 FT AGL.
SMOKE DISPERSAL.....POOR.
SATURDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....21-26.
24 HR TREND......8 DEGREES WARMER.
MIN HUMIDITY........62-68 PERCENT.
24 HR TREND......3 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH WITH HIGHER GUSTS.
RIDGE TOP WINDS.....WEST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.
MIXING HEIGHT.......200-1800 FT AGL.
SMOKE DISPERSAL.....POOR.
FORECAST DAYS 3 THROUGH 7...
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 12. WINDS GENERALLY
LESS THAN 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS AROUND 15. HIGHS IN THE MID 30S.
WINDS GENERALLY LESS THAN 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS AROUND 18. HIGHS IN THE MID 30S.
WINDS GENERALLY LESS THAN 10 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE
LOWER 30S. WEST WINDS AROUND 10 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. LOWS AROUND 18. HIGHS
32 TO 37.
WYZ278-092300-
UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM-
INCLUDING THE CITIES OF BIG PINEY, FARSON, AND PINEDALE
501 AM MST FRI JAN 9 2026
TODAY
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....18-23.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........54-60 PERCENT.
24 HR TREND......1 PERCENT WETTER.
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 20
MPH UNTIL 1200, THEN 25 MPH.
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.
MIXING HEIGHT.......400-2400 FT AGL.
SMOKE DISPERSAL.....POOR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....3-8.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........80-86 PERCENT.
24 HR TREND......3 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH AND GUSTY.
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.
MIXING HEIGHT.......400-1000 FT AGL.
SMOKE DISPERSAL.....POOR.
SATURDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....27-32.
24 HR TREND......8 DEGREES WARMER.
MIN HUMIDITY........58-64 PERCENT.
24 HR TREND......4 PERCENT WETTER.
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH WITH HIGHER GUSTS.
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.
MIXING HEIGHT.......400-1600 FT AGL.
SMOKE DISPERSAL.....POOR.
FORECAST DAYS 3 THROUGH 7...
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 10. WINDS GENERALLY
LESS THAN 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS AROUND 11. HIGHS IN THE MID 30S.
WINDS GENERALLY LESS THAN 10 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS 16 TO 21. HIGHS
36 TO 41. NORTHWEST WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS AROUND 17. HIGHS IN THE LOWER
40S.
THURSDAY
SUNNY. HIGHS IN THE UPPER 30S.
WYZ277-092300-
LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS-
INCLUDING THE CITIES OF EVANSTON, FORT BRIDGER, AND KEMMERER
501 AM MST FRI JAN 9 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....16-21.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........62-68 PERCENT.
24 HR TREND......3 PERCENT DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 20
MPH UNTIL 1200, THEN 25 MPH.
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.
MIXING HEIGHT.......400-2000 FT AGL.
SMOKE DISPERSAL.....POOR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....5-10.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........83-89 PERCENT.
24 HR TREND......1 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......WEST WINDS AROUND 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.......400-800 FT AGL.
SMOKE DISPERSAL.....POOR.
SATURDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....24-29.
24 HR TREND......7 DEGREES WARMER.
MIN HUMIDITY........65-71 PERCENT.
24 HR TREND......4 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.....NORTHWEST 15 TO 20 MPH.
MIXING HEIGHT.......400-1200 FT AGL.
SMOKE DISPERSAL.....POOR.
FORECAST DAYS 3 THROUGH 7...
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 12. WINDS GENERALLY
LESS THAN 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS AROUND 13. HIGHS IN THE MID 30S.
WINDS GENERALLY LESS THAN 10 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS 17 TO 22. HIGHS IN
THE MID 30S. WEST WINDS AROUND 10 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. LOWS AROUND 18. HIGHS
36 TO 41.
WYZ279-092300-
SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA-
INCLUDING THE CITIES OF GREEN RIVER, ROCK SPRINGS, AND WAMSUTTER
501 AM MST FRI JAN 9 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....19-24.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........45-51 PERCENT.
24 HR TREND......11 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.....NORTHWEST 20 TO 25 MPH.
MIXING HEIGHT.......600-2600 FT AGL UNTIL 1200, THEN 2200-3600 FT
AGL UNTIL 1700, THEN 1200-1600 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....10-15.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........69-75 PERCENT.
24 HR TREND......2 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......WEST WINDS AROUND 15 MPH WITH GUSTS TO AROUND
30 MPH.
RIDGE TOP WINDS.....WEST AROUND 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST AROUND 20 MPH.
MIXING HEIGHT.......400-1200 FT AGL.
SMOKE DISPERSAL.....POOR.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....28-33.
24 HR TREND......7 DEGREES WARMER.
MIN HUMIDITY........49-55 PERCENT.
24 HR TREND......5 PERCENT WETTER.
20-FOOT WINDS.......WEST WINDS AROUND 15 MPH. GUSTS UP TO 30 MPH
UNTIL 1500, THEN 20 MPH.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 20 TO 25 MPH UNTIL 1700, THEN AROUND 15
MPH.
MIXING HEIGHT.......600-2200 FT AGL.
SMOKE DISPERSAL.....POOR.
FORECAST DAYS 3 THROUGH 7...
SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 15. WINDS GENERALLY
LESS THAN 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS AROUND 18. HIGHS IN THE UPPER 30S.
WINDS GENERALLY LESS THAN 10 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE MID 20S.
HIGHS IN THE LOWER 40S. WEST WINDS AROUND 10 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. LOWS IN THE MID 20S.
HIGHS 42 TO 47.
WYZ289-092300-
GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-
INCLUDING THE CITY OF JEFFREY CITY
501 AM MST FRI JAN 9 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....21-26.
24 HR TREND......7 DEGREES COOLER.
MIN HUMIDITY........45-51 PERCENT.
24 HR TREND......13 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH. GUSTS UP TO 20 MPH
UNTIL 1200, THEN 25 MPH.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.
MIXING HEIGHT.......1800-3800 FT AGL UNTIL 1700, THEN 600-1000 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....11-16.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........67-73 PERCENT.
24 HR TREND......21 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
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.......400-800 FT AGL.
SMOKE DISPERSAL.....POOR.
SATURDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....28-33.
24 HR TREND......7 DEGREES WARMER.
MIN HUMIDITY........51-57 PERCENT.
24 HR TREND......8 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 15 MPH WITH GUSTS TO
AROUND 25 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH.
MIXING HEIGHT.......400-1600 FT AGL.
SMOKE DISPERSAL.....POOR.
FORECAST DAYS 3 THROUGH 7...
SATURDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 17. SOUTHWEST WINDS
AROUND 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 20S. HIGHS IN THE UPPER
30S. SOUTHWEST WINDS AROUND 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN THE LOWER
40S. SOUTHWEST WINDS AROUND 10 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN THE LOWER
40S. WEST WINDS AROUND 10 MPH.
WEDNESDAY THROUGH THURSDAY
MOSTLY CLEAR. LOWS IN THE MID 20S.
HIGHS 41 TO 46.
WYZ300-092300-
CASPER MOUNTAIN-
501 AM MST FRI JAN 9 2026
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....20-25.
24 HR TREND......8 DEGREES COOLER.
MIN HUMIDITY........48-54 PERCENT.
24 HR TREND......22 PERCENT DRIER.
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 25 MPH UNTIL 1200, THEN WEST AROUND 20
MPH WITH GUSTS TO AROUND 30 MPH.
RIDGE TOP WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 1100, THEN WEST 20
TO 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 1000, THEN 25 TO
30 MPH UNTIL 1700, THEN WEST AROUND 20 MPH.
MIXING HEIGHT.......200-1800 FT AGL UNTIL 1000, THEN 2600-4600 FT
AGL UNTIL 1700, THEN 400-800 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN GOOD UNTIL 1700,
THEN POOR.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....12-17.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........64-70 PERCENT.
24 HR TREND......20 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......WEST WINDS AROUND 15 MPH WITH GUSTS TO AROUND
30 MPH.
RIDGE TOP WINDS.....WEST AROUND 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 20 TO 25 MPH.
MIXING HEIGHT.......200-600 FT AGL.
SMOKE DISPERSAL.....POOR.
SATURDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....27-32.
24 HR TREND......7 DEGREES WARMER.
MIN HUMIDITY........57-63 PERCENT.
24 HR TREND......8 PERCENT WETTER.
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.......200-2000 FT AGL.
SMOKE DISPERSAL.....POOR.
FORECAST DAYS 3 THROUGH 7...
SATURDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 19. SOUTHWEST WINDS
AROUND 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 20S. HIGHS IN THE MID
30S. SOUTHWEST WINDS AROUND 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS AROUND 40.
SOUTHWEST WINDS AROUND 10 MPH.
TUESDAY
MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS. LOWS
IN THE UPPER 20S. HIGHS IN THE UPPER 30S. WEST WINDS AROUND
10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN THE
LOWER 40S.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 30S.
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