155
FNUS55 KRIW 151825
FWFRIW
FIRE WEATHER PLANNING FORECAST FOR WESTERN AND CENTRAL WYOMING
NATIONAL WEATHER SERVICE RIVERTON WY
1225 PM MDT TUE SEP 15 2026
DISCUSSION
...YELLOWSTONE NP AND TETON DISPATCH AREAS (INCLUDES FIRE WEATHER
ZONES 140...414...415...AND 416)...
DRY CONDITIONS AND SEASONABLE TEMPERATURES THROUGH THE AFTERNOON
AND EVENING HOURS. WINDS WILL REMAIN RELATIVELY LIGHT GIVING WAY
TO FAIR SMOKING DISPERSAL AND MIXING. INCREASING SHOWER ACTIVITY
OVERNIGHT FOR ZONE 414 SPREADING NORTHWARD WEDNESDAY THROUGH
FRIDAY TO ALL ZONES, ESPECIALLY WEST OF THE DIVIDE.
..CODY DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 275...276
282...283...285...286...287...288...AND 289)...
DRY CONDITIONS AND SEASONABLE TEMPERATURES THROUGH THE AFTERNOON
AND EVENING HOURS. WINDS WILL REMAIN RELATIVELY LIGHT GIVING WAY
TO FAIR SMOKING DISPERSAL AND MIXING. INCREASING SHOWER ACTIVITY
OVERNIGHT FOR ZONE SOUTHERN PARTS OF ZONE 289 IN SWEETWATER COUNTY
BUT REMAINING SOUTH AND WEST OF ALL OTHER ZONES FOR WEDNESDAY.
MORE WIDESPREAD ACTIVITY THURSDAY AND FRIDAY WITH MORE ISOLATED
CHANCES FOR ZONES EAST OF THE DIVIDE.
..CASPER DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 277...278
279...280...281...285...289...AND 300)...
DRY CONDITIONS AND SEASONABLE TEMPERATURES THROUGH THE AFTERNOON
AND EVENING HOURS. WINDS WILL REMAIN RELATIVELY LIGHT OUTSIDE OF
SOUTHERN ZONES OF 277/279 WITH A SLIGHT BREEZE GIVING WAY TO FAIR
TO GOOD SMOKING DISPERSAL AND MIXING RESPECTIVELY. INCREASING
SHOWER ACTIVITY OVERNIGHT FOR ZONES 277/278/279 AND SOUTHERN PARTS
OF ZONE 289 IN SWEETWATER COUNTY BUT REMAINING SOUTH AND WEST OF
ALL OTHER ZONES FOR WEDNESDAY. MORE WIDESPREAD ACTIVITY THURSDAY
AND FRIDAY WITH MORE ISOLATED CHANCES FOR ZONES EAST OF THE
DIVIDE.
..THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS
WYZ280-162030-
NATRONA COUNTY/CASPER BLM-
INCLUDING THE CITIES OF CASPER AND MIDWEST
1225 PM MDT TUE SEP 15 2026
THIS AFTERNOON
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....71-76.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........20-26 PERCENT.
24 HR TREND......8 PERCENT WETTER.
20-FOOT WINDS.......EAST WINDS AROUND 10 MPH WITH GUSTS TO AROUND
25 MPH.
RIDGE TOP WINDS.....SOUTHEAST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.
MIXING HEIGHT.......4200-5800 FT AGL.
SMOKE DISPERSAL.....FAIR TO GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....52-57.
24 HR TREND......15 DEGREES WARMER.
MAX HUMIDITY........70-76 PERCENT.
24 HR TREND......2 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......EAST WINDS AROUND 15 MPH UNTIL 2400, THEN
SOUTH. GUSTS UP TO 30 MPH.
RIDGE TOP WINDS.....EAST AROUND 20 MPH UNTIL 2400, THEN SOUTH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....EAST AROUND 20 MPH UNTIL 2400, THEN SOUTH.
MIXING HEIGHT.......1200-3200 FT AGL UNTIL 2400, THEN 600 FT AGL.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE IN THE AFTERNOON. CHANCE OF
PRECIPITATION 20 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....76-81.
24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........27-33 PERCENT.
24 HR TREND......7 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH UNTIL 1500, THEN
WEST. GUSTS UP TO 30 MPH.
RIDGE TOP WINDS.....WEST AROUND 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.
MIXING HEIGHT.......1400-3400 FT AGL UNTIL 1200, THEN 6200-8200 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN VERY GOOD.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING. CHANCE OF SHOWERS THROUGH THE
NIGHT. CHANCE OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....48-53.
24 HR TREND......5 DEGREES COOLER.
MAX HUMIDITY........70-76 PERCENT.
24 HR TREND......3 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......NORTHEAST WINDS 15 TO 20 MPH UNTIL 0300, THEN
AROUND 10 MPH. GUSTS UP TO 35 MPH.
RIDGE TOP WINDS.....NORTHEAST AROUND 25 MPH UNTIL 2400, THEN AROUND
15 MPH.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
TRANSPORT WINDS.....NORTHEAST AROUND 25 MPH UNTIL 2400, THEN AROUND
15 MPH.
MIXING HEIGHT.......1400-3400 FT AGL UNTIL 2400, THEN 800-1400 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SHOWERS IN THE
MORNING, THEN SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. CHANCE OF
PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....70-75.
24 HR TREND......4 DEGREES COOLER.
MIN HUMIDITY........53-59 PERCENT.
24 HR TREND......16 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN
SOUTHEAST AROUND 10 MPH. GUSTS UP TO 20 MPH.
RIDGE TOP WINDS.....EAST AROUND 10 MPH UNTIL 1200, THEN SOUTH.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
TRANSPORT WINDS.....EAST AROUND 10 MPH UNTIL 1200, THEN SOUTH.
MIXING HEIGHT.......800-1800 FT AGL UNTIL 1200, THEN 3000-5000 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS 49 TO 54. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS AROUND 10 MPH.
SATURDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE LOWER
70S. NORTHWEST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER
70S. WINDS GENERALLY LESS THAN 10 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 40S.
HIGHS IN THE UPPER 70S.
WYZ283-162030-
UPPER WIND RIVER BASIN/WIND RIVER BASIN-
INCLUDING THE CITIES OF CROWHEART, LANDER, RIVERTON, AND SHOSHONI
1225 PM MDT TUE SEP 15 2026
THIS AFTERNOON
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....68-73.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........20-26 PERCENT.
24 HR TREND......4 PERCENT WETTER.
20-FOOT WINDS.......EAST WINDS AROUND 10 MPH WITH GUSTS TO AROUND
25 MPH.
RIDGE TOP WINDS.....EAST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.
MIXING HEIGHT.......4000-6000 FT AGL.
SMOKE DISPERSAL.....FAIR TO GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....46-51.
24 HR TREND......10 DEGREES WARMER.
MAX HUMIDITY........59-65 PERCENT.
24 HR TREND......3 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......NORTHEAST WINDS AROUND 10 MPH UNTIL 2400, THEN
SOUTHWEST. GUSTS UP TO 25 MPH.
RIDGE TOP WINDS.....NORTHEAST AROUND 10 MPH UNTIL 2400, THEN
SOUTHWEST.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....EAST AROUND 15 MPH UNTIL 2400, THEN SOUTHWEST.
MIXING HEIGHT.......1400-3400 FT AGL UNTIL 2400, THEN 400-600 FT
AGL.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....72-77.
24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........29-35 PERCENT.
24 HR TREND......6 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500, THEN SOUTH
AROUND 10 MPH. GUSTS UP TO 20 MPH.
RIDGE TOP WINDS.....WEST AROUND 10 MPH UNTIL 1200, THEN NORTHEAST.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......1000-3000 FT AGL UNTIL 1200, THEN 5600-7600 FT
AGL.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.
WEDNESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING CLOUDY. SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. CHANCE
OF SHOWERS THROUGH THE NIGHT. CHANCE OF
PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....47-52.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........69-75 PERCENT.
24 HR TREND......4 PERCENT WETTER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......NORTHEAST WINDS 10 TO 15 MPH UNTIL 0300, THEN
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 35
MPH.
RIDGE TOP WINDS.....NORTHEAST AROUND 20 MPH UNTIL 2400, THEN AROUND
10 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....EAST AROUND 20 MPH UNTIL 2400, THEN AROUND 10
MPH.
MIXING HEIGHT.......1800-3800 FT AGL UNTIL 2400, THEN 600-1200 FT
AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SHOWERS THROUGH THE
DAY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....69-74.
24 HR TREND......3 DEGREES COOLER.
MIN HUMIDITY........45-51 PERCENT.
24 HR TREND......13 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500, THEN SOUTH
AROUND 10 MPH. GUSTS UP TO 20 MPH.
RIDGE TOP WINDS.....SOUTH AROUND 10 MPH.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
MIXING HEIGHT.......400-2400 FT AGL UNTIL 1200, THEN 3200-5200 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY THROUGH SATURDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS 47 TO 52. HIGHS 72 TO
77. NORTHWEST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER
70S. WINDS GENERALLY LESS THAN 10 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
HIGHS IN THE MID 70S.
WYZ285-162030-
SOUTH BIGHORN MOUNTAINS-
1225 PM MDT TUE SEP 15 2026
THIS AFTERNOON
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....63-68.
24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........22-28 PERCENT.
24 HR TREND......2 PERCENT WETTER.
20-FOOT WINDS.......SOUTH WINDS AROUND 15 MPH WITH HIGHER GUSTS.
RIDGE TOP WINDS.....SOUTH AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.
MIXING HEIGHT.......4400-5400 FT AGL.
SMOKE DISPERSAL.....GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....48-53.
24 HR TREND......13 DEGREES WARMER.
MAX HUMIDITY........57-63 PERCENT.
24 HR TREND......10 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......SOUTHEAST WINDS AROUND 15 MPH UNTIL 2400, THEN
SOUTHWEST. GUSTS UP TO 30 MPH.
RIDGE TOP WINDS.....SOUTHEAST AROUND 20 MPH UNTIL 2400, THEN
SOUTHWEST.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHEAST AROUND 20 MPH UNTIL 2400, THEN
SOUTHWEST.
MIXING HEIGHT.......1200-3200 FT AGL UNTIL 2400, THEN 600 FT AGL.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....68-73.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........25-31 PERCENT.
24 HR TREND......7 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS TO
AROUND 25 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 1200, THEN NORTH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......1200-3200 FT AGL UNTIL 1200, THEN 4800-6800 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS EARLY
IN THE MORNING. CHANCE OF SHOWERS EARLY IN THE
MORNING. CHANCE OF SHOWERS 30 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....47-52.
24 HR TREND......2 DEGREES COOLER.
MAX HUMIDITY........60-66 PERCENT.
24 HR TREND......8 PERCENT WETTER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......NORTHEAST WINDS 10 TO 15 MPH UNTIL 0300, THEN
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 30
MPH.
RIDGE TOP WINDS.....NORTHEAST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....EAST 15 TO 20 MPH.
MIXING HEIGHT.......800-2800 FT AGL UNTIL 2400, THEN 400-800 FT
AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SHOWERS THROUGH THE
DAY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....66-71.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........44-50 PERCENT.
24 HR TREND......12 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN SOUTH
AROUND 10 MPH. GUSTS UP TO 20 MPH.
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
MIXING HEIGHT.......600-2200 FT AGL UNTIL 1200, THEN 3200-5200 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S.
SOUTH WINDS AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY. SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 70S.
WEST WINDS AROUND 10 MPH.
SATURDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE MID 60S.
NORTHWEST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE MID 60S. WINDS GENERALLY LESS THAN 10 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
HIGHS IN THE LOWER 70S.
WYZ281-162030-
JOHNSON COUNTY/CASPER BLM-
INCLUDING THE CITIES OF BUFFALO AND KAYCEE
1225 PM MDT TUE SEP 15 2026
THIS AFTERNOON
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....66-71.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........23-29 PERCENT.
24 HR TREND......1 PERCENT WETTER.
20-FOOT WINDS.......SOUTHEAST WINDS AROUND 15 MPH WITH GUSTS TO
AROUND 30 MPH.
RIDGE TOP WINDS.....SOUTHEAST AROUND 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH AROUND 20 MPH.
MIXING HEIGHT.......5400-6200 FT AGL.
SMOKE DISPERSAL.....GOOD TO VERY GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....50-55.
24 HR TREND......11 DEGREES WARMER.
MAX HUMIDITY........58-64 PERCENT.
24 HR TREND......10 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......SOUTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 35 MPH.
RIDGE TOP WINDS.....SOUTH 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH 15 TO 20 MPH.
MIXING HEIGHT.......1800-3800 FT AGL UNTIL 2400, THEN 400-600 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....68-73.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........28-34 PERCENT.
24 HR TREND......7 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH WITH HIGHER GUSTS
UNTIL 0900, THEN NORTHWEST WITH GUSTS TO AROUND
30 MPH UNTIL 1500, THEN NORTH AROUND 20 MPH
WITH GUSTS TO AROUND 30 MPH.
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH UNTIL 1200, THEN NORTH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST AROUND 15 MPH UNTIL 1200, THEN NORTH.
MIXING HEIGHT.......800-2800 FT AGL UNTIL 1200, THEN 3200-5200 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD.
WEDNESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
SLIGHT CHANCE OF SHOWERS EARLY IN THE MORNING.
CHANCE OF SHOWERS 20 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....49-54.
24 HR TREND......3 DEGREES COOLER.
MAX HUMIDITY........69-75 PERCENT.
24 HR TREND......9 PERCENT WETTER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......NORTH WINDS 10 TO 15 MPH WITH GUSTS TO AROUND
30 MPH UNTIL 2400, THEN DOWNSLOPE/DOWNVALLEY
4-7 MPH.
RIDGE TOP WINDS.....NORTH AROUND 20 MPH UNTIL 2400, THEN NORTHWEST
AROUND 10 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTH AROUND 20 MPH UNTIL 2400, THEN NORTHEAST
AROUND 10 MPH.
MIXING HEIGHT.......1200-3200 FT AGL UNTIL 2400, THEN 400-600 FT
AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SHOWERS IN THE
MORNING, THEN SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. CHANCE OF
PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....68-73.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........51-57 PERCENT.
24 HR TREND......11 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN
SOUTHEAST 10 TO 15 MPH. GUSTS UP TO 30 MPH.
RIDGE TOP WINDS.....SOUTH AROUND 10 MPH UNTIL 1200, THEN AROUND 25
MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH UNTIL 1200, THEN AROUND 25
MPH.
MIXING HEIGHT.......400-1800 FT AGL UNTIL 1200, THEN 3000-5000 FT
AGL.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 50S. SOUTH WINDS
AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY. SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS AROUND 80. WINDS
GENERALLY LESS THAN 10 MPH.
SATURDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 70S.
WINDS GENERALLY LESS THAN 10 MPH.
SUNDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE LOWER 70S. WINDS GENERALLY LESS THAN 10 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
HIGHS IN THE UPPER 70S.
WYZ282-162030-
SOUTH BIGHORN BASIN/WORLAND BLM-
INCLUDING THE CITIES OF TEN SLEEP, THERMOPOLIS, AND WORLAND
1225 PM MDT TUE SEP 15 2026
THIS AFTERNOON
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....67-72.
24 HR TREND......6 DEGREES WARMER.
MIN HUMIDITY........18-24 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHEAST WINDS AROUND 10 MPH WITH HIGHER
GUSTS.
RIDGE TOP WINDS.....SOUTHEAST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.
MIXING HEIGHT.......5000-5800 FT AGL.
SMOKE DISPERSAL.....FAIR TO GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....47-52.
24 HR TREND......5 DEGREES WARMER.
MAX HUMIDITY........57-63 PERCENT.
24 HR TREND......8 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......SOUTHEAST WINDS AROUND 10 MPH WITH GUSTS TO
AROUND 30 MPH UNTIL 2400, THEN
DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....SOUTHEAST AROUND 15 MPH UNTIL 2400, THEN
SOUTHWEST.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHEAST AROUND 15 MPH UNTIL 2400, THEN SOUTH.
MIXING HEIGHT.......1400-3400 FT AGL UNTIL 2400, THEN 400-600 FT
AGL.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....70-75.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........24-30 PERCENT.
24 HR TREND......10 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN NORTH
AROUND 10 MPH WITH HIGHER GUSTS.
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 1200, THEN
NORTHWEST.
MIXING HEIGHT.......400-2400 FT AGL UNTIL 1200, THEN 3000-5000 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
WEDNESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....47-52.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........64-70 PERCENT.
24 HR TREND......8 PERCENT WETTER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......NORTH WINDS AROUND 10 MPH UNTIL 2400, THEN
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 20
MPH.
RIDGE TOP WINDS.....NORTH AROUND 15 MPH UNTIL 2400, THEN SOUTH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......1000-3000 FT AGL UNTIL 2400, THEN 400-800 FT
AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
SLIGHT CHANCE OF SHOWERS THROUGH THE DAY.
SLIGHT CHANCE OF THUNDERSTORMS LATE IN THE
AFTERNOON. CHANCE OF PRECIPITATION 20 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....70-75.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........39-45 PERCENT.
24 HR TREND......8 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN SOUTH
AROUND 10 MPH. GUSTS UP TO 20 MPH.
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
MIXING HEIGHT.......400-2200 FT AGL UNTIL 1200, THEN 3200-5200 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 50S.
WINDS GENERALLY LESS THAN 10 MPH.
FRIDAY
PARTLY CLOUDY. SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS AROUND 80. WINDS
GENERALLY LESS THAN 10 MPH.
SATURDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. WINDS GENERALLY LESS THAN 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER
70S. WINDS GENERALLY LESS THAN 10 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN
THE UPPER 70S.
WYZ275-162030-
NORTH BIGHORN BASIN/WORLAND BLM-
INCLUDING THE CITIES OF GREYBULL, LOVELL, AND POWELL
1225 PM MDT TUE SEP 15 2026
THIS AFTERNOON
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....63-68.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........18-24 PERCENT.
24 HR TREND......1 PERCENT WETTER.
20-FOOT WINDS.......SOUTHEAST WINDS AROUND 10 MPH WITH GUSTS TO
AROUND 25 MPH.
RIDGE TOP WINDS.....SOUTHEAST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHEAST AROUND 15 MPH.
MIXING HEIGHT.......4400-5000 FT AGL.
SMOKE DISPERSAL.....FAIR TO GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....46-51.
24 HR TREND......4 DEGREES WARMER.
MAX HUMIDITY........59-65 PERCENT.
24 HR TREND......9 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 20
MPH.
RIDGE TOP WINDS.....EAST AROUND 10 MPH UNTIL 2400, THEN WEST.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....EAST AROUND 10 MPH UNTIL 2400, THEN SOUTHWEST.
MIXING HEIGHT.......1000-3000 FT AGL UNTIL 2400, THEN 400-600 FT
AGL.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....67-72.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........25-31 PERCENT.
24 HR TREND......8 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN
NORTHWEST AROUND 10 MPH. GUSTS UP TO 25 MPH.
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.
MIXING HEIGHT.......400-2000 FT AGL UNTIL 1200, THEN 2400-4200 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
WEDNESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....46-51.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........66-72 PERCENT.
24 HR TREND......9 PERCENT WETTER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH UNTIL 2400, THEN
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 25
MPH.
RIDGE TOP WINDS.....NORTHWEST AROUND 20 MPH UNTIL 2400, THEN
SOUTHWEST AROUND 10 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTH AROUND 20 MPH UNTIL 2400, THEN WEST
AROUND 10 MPH.
MIXING HEIGHT.......600-2600 FT AGL UNTIL 2400, THEN 400-600 FT
AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
CHANCE OF SHOWERS IN THE MORNING. SLIGHT CHANCE
OF SHOWERS IN THE AFTERNOON. SLIGHT CHANCE OF
THUNDERSTORMS LATE IN THE AFTERNOON. CHANCE OF
PRECIPITATION 40 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....68-73.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........39-45 PERCENT.
24 HR TREND......6 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN
SOUTHEAST AROUND 10 MPH. GUSTS UP TO 20 MPH.
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
MIXING HEIGHT.......400-2000 FT AGL UNTIL 1200, THEN 2400-4400 FT
AGL.
SMOKE DISPERSAL.....POOR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 50S. WINDS
GENERALLY LESS THAN 10 MPH.
FRIDAY
PARTLY CLOUDY. SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S.
WINDS GENERALLY LESS THAN 10 MPH.
SATURDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 70S.
WINDS GENERALLY LESS THAN 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER
70S. WINDS GENERALLY LESS THAN 10 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
HIGHS IN THE UPPER 70S.
WYZ276-162030-
CODY FOOTHILLS-
INCLUDING THE CITIES OF CLARK, CODY, AND MEETEETSE
1225 PM MDT TUE SEP 15 2026
THIS AFTERNOON
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....64-69.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........22-28 PERCENT.
24 HR TREND......6 PERCENT WETTER.
20-FOOT WINDS.......SOUTHEAST WINDS AROUND 15 MPH WITH GUSTS TO
AROUND 25 MPH.
RIDGE TOP WINDS.....SOUTHEAST AROUND 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHEAST AROUND 20 MPH.
MIXING HEIGHT.......4800-5800 FT AGL.
SMOKE DISPERSAL.....GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....45-50.
24 HR TREND......8 DEGREES WARMER.
MAX HUMIDITY........53-59 PERCENT.
24 HR TREND......16 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
20-FOOT WINDS.......EAST WINDS AROUND 10 MPH UNTIL 2100, THEN
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 20
MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 10 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH UNTIL 2400, THEN SOUTHWEST.
MIXING HEIGHT.......1400-3400 FT AGL UNTIL 2400, THEN 400-600 FT
AGL.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....64-69.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........34-40 PERCENT.
24 HR TREND......12 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN
NORTHEAST 10 TO 15 MPH WITH GUSTS TO AROUND 25
MPH.
RIDGE TOP WINDS.....NORTHWEST AROUND 10 MPH UNTIL 1200, THEN
NORTHEAST AROUND 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH UNTIL 1200, THEN
NORTHEAST AROUND 20 MPH.
MIXING HEIGHT.......400-2200 FT AGL UNTIL 1200, THEN 2400-4000 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
WEDNESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....46-51.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........63-69 PERCENT.
24 HR TREND......15 PERCENT WETTER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......NORTH WINDS 10 TO 15 MPH WITH GUSTS TO AROUND
25 MPH UNTIL 2400, THEN DOWNSLOPE/DOWNVALLEY
4-7 MPH.
RIDGE TOP WINDS.....NORTH AROUND 20 MPH UNTIL 2400, THEN SOUTHWEST
AROUND 5 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTH AROUND 20 MPH UNTIL 2400, THEN WEST
AROUND 10 MPH.
MIXING HEIGHT.......800-2800 FT AGL UNTIL 2400, THEN 400-600 FT
AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....69-74.
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 UNTIL 1200, THEN
SOUTHEAST AROUND 10 MPH. GUSTS UP TO 20 MPH.
RIDGE TOP WINDS.....SOUTH AROUND 10 MPH UNTIL 1200, THEN SOUTHEAST.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
MIXING HEIGHT.......400-2200 FT AGL UNTIL 1200, THEN 2800-4800 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID 50S. WINDS GENERALLY LESS THAN 10 MPH.
FRIDAY
PARTLY CLOUDY. SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS. LOWS AROUND 50. HIGHS IN THE MID 70S. WINDS
GENERALLY LESS THAN 10 MPH.
SATURDAY
PARTLY CLOUDY WITH SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S.
WINDS GENERALLY LESS THAN 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER
60S. WINDS GENERALLY LESS THAN 10 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S.
HIGHS IN THE LOWER 70S.
WYZ287-162030-
OWL CREEK MOUNTAINS-
1225 PM MDT TUE SEP 15 2026
THIS AFTERNOON
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....64-69.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........21-27 PERCENT.
24 HR TREND......2 PERCENT WETTER.
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.....SOUTH AROUND 15 MPH.
MIXING HEIGHT.......3600-4800 FT AGL.
SMOKE DISPERSAL.....FAIR TO GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....45-50.
24 HR TREND......8 DEGREES WARMER.
MAX HUMIDITY........47-53 PERCENT.
24 HR TREND......16 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2400, THEN
SOUTHWEST AROUND 10 MPH UNTIL 0300, THEN
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 20
MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 10 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
MIXING HEIGHT.......800-2800 FT AGL UNTIL 2400, THEN 600 FT AGL.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....66-71.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........29-35 PERCENT.
24 HR TREND......6 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN EAST
AROUND 10 MPH WITH HIGHER GUSTS UNTIL 1500,
THEN NORTHEAST WITH HIGHER GUSTS.
RIDGE TOP WINDS.....NORTH AROUND 10 MPH UNTIL 1200, THEN NORTHEAST.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 1200, THEN
NORTHEAST.
MIXING HEIGHT.......400-2400 FT AGL UNTIL 1200, THEN 3600-5600 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
WEDNESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....46-51.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........55-61 PERCENT.
24 HR TREND......16 PERCENT WETTER.
HUMIDITY RECOVERY...MODERATE.
20-FOOT WINDS.......NORTH WINDS AROUND 10 MPH AND GUSTY UNTIL 2400,
THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....NORTH AROUND 15 MPH UNTIL 2400, THEN WEST.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTH AROUND 15 MPH UNTIL 2400, THEN SOUTH.
MIXING HEIGHT.......800-2800 FT AGL UNTIL 2400, THEN 400-600 FT
AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS THROUGH
THE DAY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF PRECIPITATION 20 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....65-70.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........43-49 PERCENT.
24 HR TREND......10 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN SOUTH
AROUND 10 MPH. GUSTS UP TO 20 MPH.
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
MIXING HEIGHT.......400-2200 FT AGL UNTIL 1200, THEN 2800-4800 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 50S. WINDS
GENERALLY LESS THAN 10 MPH.
FRIDAY
PARTLY CLOUDY WITH SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 70S.
WEST WINDS AROUND 10 MPH.
SATURDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE MID
60S. WINDS GENERALLY LESS THAN 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE UPPER
60S. WINDS GENERALLY LESS THAN 10 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S.
HIGHS IN THE LOWER 70S.
WYZ286-162030-
ABSAROKA MOUNTAINS/NORTH SHOSHONE NF-
INCLUDING THE CITY OF PAHASKA
1225 PM MDT TUE SEP 15 2026
THIS AFTERNOON
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....58-63.
24 HR TREND......7 DEGREES WARMER.
MIN HUMIDITY........25-31 PERCENT.
24 HR TREND......4 PERCENT DRIER.
20-FOOT WINDS.......SOUTH WINDS AROUND 15 MPH WITH GUSTS TO AROUND
30 MPH.
RIDGE TOP WINDS.....SOUTH AROUND 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.
MIXING HEIGHT.......5600-7400 FT AGL.
SMOKE DISPERSAL.....VERY GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....37-42.
24 HR TREND......11 DEGREES WARMER.
MAX HUMIDITY........57-63 PERCENT.
24 HR TREND......24 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH UNTIL 2100, THEN
DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2400, THEN
WEST AROUND 10 MPH. GUSTS UP TO 25 MPH.
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......2200-4200 FT AGL UNTIL 2400, THEN 600 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 2400, THEN POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
EARLY IN THE AFTERNOON. CHANCE OF PRECIPITATION
20 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....60-65.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........33-39 PERCENT.
24 HR TREND......7 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN
SOUTHWEST AROUND 10 MPH UNTIL 1500, THEN
SOUTHEAST. GUSTS UP TO 20 MPH.
RIDGE TOP WINDS.....WEST AROUND 10 MPH UNTIL 1200, THEN SOUTHEAST.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......1600-3600 FT AGL UNTIL 1200, THEN 4200-6200 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD.
WEDNESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....40-45.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........74-80 PERCENT.
24 HR TREND......19 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......EAST WINDS AROUND 10 MPH UNTIL 2100, THEN
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 20
MPH.
RIDGE TOP WINDS.....EAST AROUND 15 MPH UNTIL 2400, THEN SOUTH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHEAST 10 TO 15 MPH.
MIXING HEIGHT.......1000-3000 FT AGL UNTIL 2400, THEN 400-600 FT
AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
EARLY IN THE AFTERNOON. SHOWERS LIKELY IN THE
AFTERNOON. CHANCE OF THUNDERSTORMS LATE IN THE
AFTERNOON. CHANCE OF PRECIPITATION 70 PERCENT.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....63-68.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........47-53 PERCENT.
24 HR TREND......13 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN SOUTH
AROUND 10 MPH. GUSTS UP TO 20 MPH.
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200, THEN 50 PERCENT.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......1000-3000 FT AGL UNTIL 1200, THEN 3200-5000 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF SHOWERS
AFTER MIDNIGHT. LOWS IN THE MID 40S. WINDS GENERALLY LESS THAN
10 MPH.
FRIDAY
PARTLY CLOUDY WITH SHOWERS AND CHANCE OF THUNDERSTORMS.
LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 60S. WEST WINDS AROUND
10 MPH.
SATURDAY
PARTLY CLOUDY WITH SHOWERS LIKELY, CHANCE OF
THUNDERSTORMS AND SNOW SHOWERS. LOWS AROUND 40. HIGHS IN THE
UPPER 50S. WINDS GENERALLY LESS THAN 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS AROUND 40. HIGHS AROUND 60. WINDS
GENERALLY LESS THAN 10 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
HIGHS IN THE LOWER 60S.
WYZ140-162030-
YELLOWSTONE NATIONAL PARK-
INCLUDING THE CITIES OF LAKE, MAMMOTH, AND OLD FAITHFUL
1225 PM MDT TUE SEP 15 2026
THIS AFTERNOON
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....61-66.
24 HR TREND......10 DEGREES WARMER.
MIN HUMIDITY........20-26 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.....SOUTHWEST AROUND 25 MPH.
MIXING HEIGHT.......6400-7400 FT AGL.
SMOKE DISPERSAL.....VERY GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....32-37.
24 HR TREND......7 DEGREES WARMER.
MAX HUMIDITY........70-76 PERCENT.
24 HR TREND......19 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 25
MPH UNTIL 2400, THEN 10 MPH.
RIDGE TOP WINDS.....SOUTH AROUND 10 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.
MIXING HEIGHT.......2400-4400 FT AGL UNTIL 2400, THEN 600 FT AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....66-71.
24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........30-36 PERCENT.
24 HR TREND......6 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH. GUSTS UP TO 20 MPH.
RIDGE TOP WINDS.....SOUTHEAST AROUND 10 MPH UNTIL 1200, THEN
SOUTHWEST.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
MIXING HEIGHT.......1200-3200 FT AGL UNTIL 1200, THEN 5800-7800 FT
AGL.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.
WEDNESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. CHANCE OF SHOWERS EARLY IN THE
MORNING, THEN SLIGHT CHANCE OF SHOWERS EARLY IN
THE MORNING. CHANCE OF SHOWERS 50 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....39-44.
24 HR TREND......5 DEGREES WARMER.
MAX HUMIDITY........77-83 PERCENT.
24 HR TREND......15 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....SOUTHEAST AROUND 10 MPH.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH.
MIXING HEIGHT.......1800-3800 FT AGL UNTIL 2400, THEN 400-600 FT
AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. CHANCE OF
PRECIPITATION 70 PERCENT.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....66-71.
24 HR TREND......3 DEGREES COOLER.
MIN HUMIDITY........52-58 PERCENT.
24 HR TREND......24 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500, THEN
SOUTHWEST AROUND 10 MPH. GUSTS UP TO 20 MPH.
RIDGE TOP WINDS.....SOUTHEAST AROUND 10 MPH UNTIL 1200, THEN
SOUTHWEST.
CHC OF WETTING RAIN.5 PERCENT UNTIL 1200, THEN 60 PERCENT.
TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH UNTIL 1200, THEN
SOUTHWEST.
MIXING HEIGHT.......1000-3000 FT AGL UNTIL 1200, THEN 3400-5400 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF SHOWERS
AFTER MIDNIGHT. LOWS IN THE LOWER 40S. WINDS GENERALLY LESS THAN
10 MPH.
FRIDAY
PARTLY CLOUDY. SHOWERS AND CHANCE OF THUNDERSTORMS.
LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 60S. WINDS GENERALLY
LESS THAN 10 MPH.
SATURDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 30S. HIGHS IN THE UPPER 50S. WINDS
GENERALLY LESS THAN 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE LOWER
60S. WINDS GENERALLY LESS THAN 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE MID
60S.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S.
WYZ415-162030-
NORTH ZONE BRIDGER TETON NF AND GRAND TETON NP-
INCLUDING THE CITIES OF JACKSON AND MORAN
1225 PM MDT TUE SEP 15 2026
THIS AFTERNOON
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....63-68.
24 HR TREND......10 DEGREES WARMER.
MIN HUMIDITY........23-29 PERCENT.
24 HR TREND......13 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.....SOUTHWEST AROUND 25 MPH.
MIXING HEIGHT.......7400-8200 FT AGL.
SMOKE DISPERSAL.....VERY GOOD TO EXCELLENT.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....36-41.
24 HR TREND......10 DEGREES WARMER.
MAX HUMIDITY........72-78 PERCENT.
24 HR TREND......12 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS TO
AROUND 25 MPH UNTIL 2100, THEN
DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....SOUTH AROUND 10 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
MIXING HEIGHT.......2600-4600 FT AGL UNTIL 2400, THEN 600 FT AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. CHANCE OF
PRECIPITATION 20 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....65-70.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........40-46 PERCENT.
24 HR TREND......12 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.
RIDGE TOP WINDS.....SOUTHEAST AROUND 10 MPH UNTIL 1200, THEN
SOUTHWEST.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.
MIXING HEIGHT.......1200-3200 FT AGL UNTIL 1200, THEN 5000-7000 FT
AGL.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.
WEDNESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
SLIGHT CHANCE OF SHOWERS IN THE EVENING. SLIGHT
CHANCE OF THUNDERSTORMS THROUGH THE NIGHT.
CHANCE OF SHOWERS AFTER MIDNIGHT. CHANCE OF
PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....41-46.
24 HR TREND......5 DEGREES WARMER.
MAX HUMIDITY........80-86 PERCENT.
24 HR TREND......14 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2100, THEN
EAST AROUND 10 MPH. GUSTS UP TO 30 MPH.
RIDGE TOP WINDS.....SOUTHEAST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 2400, THEN 15 PERCENT.
TRANSPORT WINDS.....SOUTHEAST AROUND 15 MPH.
MIXING HEIGHT.......1600-3600 FT AGL UNTIL 2400, THEN 400-600 FT
AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SHOWERS IN THE
MORNING. SLIGHT CHANCE OF THUNDERSTORMS LATE IN
THE MORNING, THEN SHOWERS AND CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. CHANCE OF
PRECIPITATION 90 PERCENT.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....62-67.
24 HR TREND......3 DEGREES COOLER.
MIN HUMIDITY........63-69 PERCENT.
24 HR TREND......20 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH. GUSTS UP TO 15 MPH.
RIDGE TOP WINDS.....SOUTHEAST AROUND 10 MPH UNTIL 1200, THEN
SOUTHWEST.
CHC OF WETTING RAIN.10 PERCENT UNTIL 1200, THEN 80 PERCENT.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
MIXING HEIGHT.......1000-3000 FT AGL UNTIL 1200, THEN 3600-5600 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 40S.
WINDS GENERALLY LESS THAN 10 MPH.
FRIDAY
PARTLY CLOUDY WITH SHOWERS AND CHANCE OF THUNDERSTORMS.
LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 60S. WINDS GENERALLY
LESS THAN 10 MPH.
SATURDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 30S. HIGHS IN THE UPPER 50S. WINDS
GENERALLY LESS THAN 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE LOWER
60S. WINDS GENERALLY LESS THAN 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE MID
60S.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S.
WYZ416-162030-
WEST WIND RIVER MOUNTAINS/EAST ZONE BRIDGER TETON NF-
1225 PM MDT TUE SEP 15 2026
THIS AFTERNOON
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....59-64.
24 HR TREND......7 DEGREES WARMER.
MIN HUMIDITY........23-29 PERCENT.
24 HR TREND......6 PERCENT DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 15 MPH WITH GUSTS TO
AROUND 25 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 25 MPH.
MIXING HEIGHT.......6600-7800 FT AGL.
SMOKE DISPERSAL.....VERY GOOD TO EXCELLENT.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. SLIGHT
CHANCE OF THUNDERSTORMS EARLY IN THE MORNING.
CHANCE OF PRECIPITATION 20 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....37-42.
24 HR TREND......13 DEGREES WARMER.
MAX HUMIDITY........81-87 PERCENT.
24 HR TREND......4 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS TO
AROUND 25 MPH UNTIL 2100, THEN
DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2400, THEN
SOUTH AROUND 10 MPH WITH GUSTS TO AROUND 15
MPH.
RIDGE TOP WINDS.....SOUTH AROUND 10 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.
MIXING HEIGHT.......2800-4800 FT AGL UNTIL 2400, THEN 600 FT AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE MORNING. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF PRECIPITATION 20 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....60-65.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........42-48 PERCENT.
24 HR TREND......14 PERCENT WETTER.
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.....SOUTH AROUND 15 MPH.
MIXING HEIGHT.......1000-3000 FT AGL UNTIL 1200, THEN 4200-5800 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
WEDNESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
SLIGHT CHANCE OF SHOWERS IN THE EVENING. SLIGHT
CHANCE OF THUNDERSTORMS THROUGH THE NIGHT.
CHANCE OF SHOWERS AFTER MIDNIGHT. CHANCE OF
PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....41-46.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........84-90 PERCENT.
24 HR TREND......7 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2100, THEN
EAST AROUND 10 MPH UNTIL 0300, THEN
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 20
MPH.
RIDGE TOP WINDS.....EAST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 2400, THEN 10 PERCENT.
TRANSPORT WINDS.....SOUTHEAST AROUND 15 MPH.
MIXING HEIGHT.......1200-3200 FT AGL UNTIL 2400, THEN 600 FT AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS AND CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. CHANCE OF
PRECIPITATION 90 PERCENT.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....59-64.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........59-65 PERCENT.
24 HR TREND......16 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN
SOUTHWEST AROUND 10 MPH. GUSTS UP TO 15 MPH.
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH.
CHC OF WETTING RAIN.10 PERCENT UNTIL 1200, THEN 70 PERCENT.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
MIXING HEIGHT.......800-2800 FT AGL UNTIL 1200, THEN 3200-5000 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE LOWER 40S. WINDS
GENERALLY LESS THAN 10 MPH.
FRIDAY
PARTLY CLOUDY WITH SHOWERS AND CHANCE OF THUNDERSTORMS.
LOWS IN THE MID 30S. HIGHS IN THE UPPER 50S. WINDS GENERALLY LESS
THAN 10 MPH.
SATURDAY
MOSTLY CLEAR WITH CHANCE OF SHOWERS, SLIGHT CHANCE OF
THUNDERSTORMS AND SNOW SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE
MID 50S. WINDS GENERALLY LESS THAN 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER
50S. WINDS GENERALLY LESS THAN 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS AROUND 60.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 60.
WYZ288-162030-
EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF-
INCLUDING THE CITIES OF DUBOIS AND SOUTH PASS
1225 PM MDT TUE SEP 15 2026
THIS AFTERNOON
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....61-66.
24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........21-27 PERCENT.
24 HR TREND......4 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 15 MPH WITH GUSTS TO
AROUND 30 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 25 MPH.
MIXING HEIGHT.......5800-7400 FT AGL.
SMOKE DISPERSAL.....VERY GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. CHANCE OF SHOWERS EARLY IN THE
MORNING, THEN SLIGHT CHANCE OF SHOWERS EARLY IN
THE MORNING. CHANCE OF SHOWERS 50 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....43-48.
24 HR TREND......14 DEGREES WARMER.
MAX HUMIDITY........70-76 PERCENT.
24 HR TREND......8 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
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.....SOUTHWEST 15 TO 20 MPH.
MIXING HEIGHT.......2400-4400 FT AGL UNTIL 2400, THEN 600 FT AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. CHANCE OF
PRECIPITATION 20 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....64-69.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........39-45 PERCENT.
24 HR TREND......11 PERCENT WETTER.
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.....SOUTHWEST AROUND 20 MPH.
MIXING HEIGHT.......1400-3400 FT AGL UNTIL 1200, THEN 5000-7000 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD.
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. CHANCE OF
PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....43-48.
24 HR TREND......1 DEGREE COOLER.
MAX HUMIDITY........77-83 PERCENT.
24 HR TREND......13 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2100, THEN
NORTHEAST AROUND 10 MPH UNTIL 0300, THEN
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 25
MPH.
RIDGE TOP WINDS.....EAST AROUND 15 MPH UNTIL 2400, THEN WEST.
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 2400, THEN 10 PERCENT.
TRANSPORT WINDS.....SOUTHEAST 10 TO 15 MPH.
MIXING HEIGHT.......1600-3600 FT AGL UNTIL 2400, THEN 600-1000 FT
AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. CHANCE OF
PRECIPITATION 70 PERCENT.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....62-67.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........56-62 PERCENT.
24 HR TREND......13 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN SOUTH
AROUND 10 MPH. GUSTS UP TO 20 MPH.
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH.
CHC OF WETTING RAIN.5 PERCENT UNTIL 1200, THEN 35 PERCENT.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......600-2600 FT AGL UNTIL 1200, THEN 3200-5200 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF SHOWERS
AFTER MIDNIGHT. LOWS IN THE UPPER 40S. SOUTHWEST WINDS AROUND
10 MPH.
FRIDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS
AROUND 10 MPH.
SATURDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS, SLIGHT CHANCE
OF THUNDERSTORMS AND SNOW SHOWERS. LOWS IN THE UPPER 30S. HIGHS
IN THE UPPER 50S. WINDS GENERALLY LESS THAN 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER
60S. WINDS GENERALLY LESS THAN 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE MID
60S.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S.
WYZ414-162030-
SALT AND WYOMING RANGES/WEST ZONE BRIDGER TETON NF-
INCLUDING THE CITY OF AFTON
1225 PM MDT TUE SEP 15 2026
THIS AFTERNOON
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....62-67.
24 HR TREND......10 DEGREES WARMER.
MIN HUMIDITY........19-25 PERCENT.
24 HR TREND......8 PERCENT DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 15 MPH WITH GUSTS TO
AROUND 30 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.
MIXING HEIGHT.......7200-8200 FT AGL.
SMOKE DISPERSAL.....VERY GOOD TO EXCELLENT.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. CHANCE OF
PRECIPITATION 20 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....37-42.
24 HR TREND......11 DEGREES WARMER.
MAX HUMIDITY........76-82 PERCENT.
24 HR TREND......2 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH. GUSTS UP TO 30 MPH
UNTIL 2400, THEN 20 MPH.
RIDGE TOP WINDS.....SOUTH AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.
MIXING HEIGHT.......2400-4400 FT AGL UNTIL 2400, THEN 600 FT AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE
MORNING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH
THE DAY. CHANCE OF SHOWERS IN THE AFTERNOON.
CHANCE OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....65-70.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........39-45 PERCENT.
24 HR TREND......13 PERCENT WETTER.
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.....SOUTH AROUND 15 MPH.
MIXING HEIGHT.......1400-3400 FT AGL UNTIL 1200, THEN 5200-6800 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD.
WEDNESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE
EVENING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH
THE NIGHT. CHANCE OF SHOWERS AFTER MIDNIGHT.
CHANCE OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....41-46.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........82-88 PERCENT.
24 HR TREND......6 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2100, THEN
SOUTHEAST AROUND 10 MPH. GUSTS UP TO 25 MPH.
RIDGE TOP WINDS.....SOUTHEAST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 2400, THEN 15 PERCENT.
TRANSPORT WINDS.....SOUTHEAST AROUND 15 MPH.
MIXING HEIGHT.......1400-3400 FT AGL UNTIL 2400, THEN 600 FT AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
CHANCE OF SHOWERS IN THE MORNING. SLIGHT CHANCE
OF THUNDERSTORMS LATE IN THE MORNING, THEN
SHOWERS AND CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF PRECIPITATION 90 PERCENT.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....63-68.
24 HR TREND......3 DEGREES COOLER.
MIN HUMIDITY........59-65 PERCENT.
24 HR TREND......15 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500, THEN SOUTH
AROUND 10 MPH. GUSTS UP TO 20 MPH.
RIDGE TOP WINDS.....SOUTHEAST AROUND 15 MPH UNTIL 1200, THEN SOUTH.
CHC OF WETTING RAIN.20 PERCENT UNTIL 1200, THEN 65 PERCENT.
TRANSPORT WINDS.....SOUTHEAST AROUND 15 MPH UNTIL 1200, THEN SOUTH.
MIXING HEIGHT.......1000-3000 FT AGL UNTIL 1200, THEN 3800-5600 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SHOWERS LIKELY AND
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID
40S. WINDS GENERALLY LESS THAN 10 MPH.
FRIDAY
PARTLY CLOUDY WITH SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE MID 60S. WINDS
GENERALLY LESS THAN 10 MPH.
SATURDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 60S.
WINDS GENERALLY LESS THAN 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID
60S. WINDS GENERALLY LESS THAN 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE MID 60S.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S.
WYZ278-162030-
UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM-
INCLUDING THE CITIES OF BIG PINEY, FARSON, AND PINEDALE
1225 PM MDT TUE SEP 15 2026
THIS AFTERNOON
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....64-69.
24 HR TREND......6 DEGREES WARMER.
MIN HUMIDITY........18-24 PERCENT.
24 HR TREND......UNCHANGED.
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.....SOUTHWEST AROUND 20 MPH.
MIXING HEIGHT.......7200-9000 FT AGL.
SMOKE DISPERSAL.....VERY GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT. CHANCE OF
PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....39-44.
24 HR TREND......11 DEGREES WARMER.
MAX HUMIDITY........82-88 PERCENT.
24 HR TREND......16 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS TO
AROUND 25 MPH UNTIL 2100, THEN
DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 2400, THEN
SOUTHEAST.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 2400, THEN SOUTH.
MIXING HEIGHT.......3200-5200 FT AGL UNTIL 2400, THEN 600 FT AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE
MORNING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH
THE DAY. CHANCE OF SHOWERS IN THE AFTERNOON.
CHANCE OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....65-70.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........35-41 PERCENT.
24 HR TREND......13 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN SOUTH
AROUND 10 MPH UNTIL 1500, THEN UPSLOPE/UPVALLEY
5-9 MPH. GUSTS UP TO 20 MPH.
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
MIXING HEIGHT.......800-2800 FT AGL UNTIL 1200, THEN 4400-6400 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
WEDNESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
SLIGHT CHANCE OF SHOWERS IN THE EVENING. SLIGHT
CHANCE OF THUNDERSTORMS THROUGH THE NIGHT.
CHANCE OF SHOWERS AFTER MIDNIGHT. CHANCE OF
PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....44-49.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........84-90 PERCENT.
24 HR TREND......2 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2100, THEN
EAST AROUND 10 MPH. GUSTS UP TO 25 MPH.
RIDGE TOP WINDS.....SOUTHEAST AROUND 15 MPH UNTIL 2400, THEN
NORTHEAST.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
TRANSPORT WINDS.....SOUTHEAST AROUND 15 MPH.
MIXING HEIGHT.......1600-3600 FT AGL UNTIL 2400, THEN 600-1200 FT
AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. CHANCE OF
PRECIPITATION 70 PERCENT.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....64-69.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........48-54 PERCENT.
24 HR TREND......10 PERCENT WETTER.
20-FOOT WINDS.......EAST WINDS AROUND 10 MPH UNTIL 1200, THEN
UPSLOPE/UPVALLEY 5-9 MPH. GUSTS UP TO 20 MPH.
RIDGE TOP WINDS.....EAST AROUND 15 MPH UNTIL 1200, THEN SOUTH.
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200, THEN 20 PERCENT.
TRANSPORT WINDS.....SOUTHEAST AROUND 15 MPH UNTIL 1200, THEN
SOUTHWEST.
MIXING HEIGHT.......800-2800 FT AGL UNTIL 1200, THEN 4000-6000 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 40S. WINDS GENERALLY
LESS THAN 10 MPH.
FRIDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 60S. WEST WINDS AROUND
10 MPH.
SATURDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 30S. HIGHS IN THE MID 60S. WINDS
GENERALLY LESS THAN 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER
60S. WINDS GENERALLY LESS THAN 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS AROUND 70.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 70.
WYZ277-162030-
LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS-
INCLUDING THE CITIES OF EVANSTON, FORT BRIDGER, AND KEMMERER
1225 PM MDT TUE SEP 15 2026
THIS AFTERNOON
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....67-72.
24 HR TREND......10 DEGREES WARMER.
MIN HUMIDITY........17-23 PERCENT.
24 HR TREND......1 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.....SOUTHWEST AROUND 25 MPH.
MIXING HEIGHT.......8000-9400 FT AGL.
SMOKE DISPERSAL.....EXCELLENT.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE LATE EVENING AND
OVERNIGHT. CHANCE OF PRECIPITATION 20 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....40-45.
24 HR TREND......10 DEGREES WARMER.
MAX HUMIDITY........83-89 PERCENT.
24 HR TREND......25 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH WITH GUSTS TO AROUND
25 MPH UNTIL 2100, THEN DOWNSLOPE/DOWNVALLEY
4-7 MPH UNTIL 2400, THEN SOUTH AROUND 10 MPH
WITH GUSTS TO AROUND 15 MPH UNTIL 0300, THEN
DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 2400, THEN SOUTH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......2800-4800 FT AGL UNTIL 2400, THEN 600 FT AGL.
SMOKE DISPERSAL.....GOOD UNTIL 2400, THEN POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
IN THE MORNING. CHANCE OF SHOWERS THROUGH THE
DAY. CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....67-72.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........33-39 PERCENT.
24 HR TREND......11 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN SOUTH
AROUND 10 MPH UNTIL 1500, THEN UPSLOPE/UPVALLEY
5-9 MPH. GUSTS UP TO 20 MPH.
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......1200-3200 FT AGL UNTIL 1200, THEN 4400-6400 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
WEDNESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
EARLY IN THE EVENING. SLIGHT CHANCE OF SHOWERS
LATE IN THE EVENING. CHANCE OF PRECIPITATION 20
PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....44-49.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........83-89 PERCENT.
24 HR TREND......1 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15
MPH.
RIDGE TOP WINDS.....SOUTHEAST AROUND 10 MPH UNTIL 2400, THEN EAST.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....EAST AROUND 10 MPH.
MIXING HEIGHT.......1400-3400 FT AGL UNTIL 2400, THEN 600-800 FT
AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
CHANCE OF SHOWERS IN THE MORNING. SLIGHT CHANCE
OF THUNDERSTORMS LATE IN THE MORNING, THEN
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. CHANCE OF PRECIPITATION 70
PERCENT.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....66-71.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........41-47 PERCENT.
24 HR TREND......7 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.
RIDGE TOP WINDS.....EAST AROUND 10 MPH UNTIL 1200, THEN SOUTH.
CHC OF WETTING RAIN.12 PERCENT.
TRANSPORT WINDS.....EAST AROUND 10 MPH UNTIL 1200, THEN SOUTHWEST.
MIXING HEIGHT.......1000-3000 FT AGL UNTIL 1200, THEN 4600-6600 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE MID 40S. WINDS GENERALLY
LESS THAN 10 MPH.
FRIDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 60S. WEST WINDS AROUND
10 MPH.
SATURDAY
CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID 60S.
WINDS GENERALLY LESS THAN 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER
60S. WINDS GENERALLY LESS THAN 10 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS AROUND 70.
TUESDAY
MOSTLY SUNNY. HIGHS AROUND 70.
WYZ279-162030-
SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA-
INCLUDING THE CITIES OF GREEN RIVER, ROCK SPRINGS, AND WAMSUTTER
1225 PM MDT TUE SEP 15 2026
THIS AFTERNOON
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....69-74.
24 HR TREND......6 DEGREES WARMER.
MIN HUMIDITY........22-28 PERCENT.
24 HR TREND......8 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 15 MPH WITH GUSTS TO
AROUND 30 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 25 MPH.
MIXING HEIGHT.......9000-10200 FT AGL.
SMOKE DISPERSAL.....EXCELLENT.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE
EVENING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH
THE NIGHT. CHANCE OF SHOWERS AFTER MIDNIGHT.
CHANCE OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....47-52.
24 HR TREND......10 DEGREES WARMER.
MAX HUMIDITY........80-86 PERCENT.
24 HR TREND......37 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO AROUND
25 MPH.
RIDGE TOP WINDS.....SOUTH AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.
MIXING HEIGHT.......3600-5600 FT AGL UNTIL 2400, THEN 600 FT AGL.
SMOKE DISPERSAL.....GOOD UNTIL 2400, THEN POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY. CHANCE OF SHOWERS THROUGH THE
DAY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....68-73.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........43-49 PERCENT.
24 HR TREND......16 PERCENT WETTER.
20-FOOT WINDS.......SOUTH WINDS 10 TO 15 MPH WITH HIGHER GUSTS.
RIDGE TOP WINDS.....SOUTH AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH 15 TO 20 MPH.
MIXING HEIGHT.......1000-3000 FT AGL UNTIL 1200, THEN 4400-6400 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD.
WEDNESDAY NIGHT
SKY/WEATHER.........CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE
EVENING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH
THE NIGHT. CHANCE OF SHOWERS AFTER MIDNIGHT.
CHANCE OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....50-55.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........82-88 PERCENT.
24 HR TREND......7 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......SOUTHEAST WINDS AROUND 10 MPH AND GUSTY.
RIDGE TOP WINDS.....SOUTHEAST AROUND 15 MPH.
CHC OF WETTING RAIN.5 PERCENT.
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.
MIXING HEIGHT.......1600-3600 FT AGL UNTIL 2400, THEN 800-1600 FT
AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SHOWERS THROUGH THE
DAY. SLIGHT CHANCE OF THUNDERSTORMS EARLY IN
THE AFTERNOON, THEN CHANCE OF THUNDERSTORMS
LATE IN THE AFTERNOON. CHANCE OF PRECIPITATION
50 PERCENT.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....67-72.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........50-56 PERCENT.
24 HR TREND......6 PERCENT WETTER.
20-FOOT WINDS.......SOUTHEAST WINDS AROUND 10 MPH UNTIL 1200, THEN
SOUTH. GUSTS UP TO 25 MPH.
RIDGE TOP WINDS.....SOUTH 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH 15 TO 20 MPH.
MIXING HEIGHT.......1000-3000 FT AGL UNTIL 1200, THEN 4200-6200 FT
AGL.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S.
SOUTH WINDS AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY WITH SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE LOWER 70S.
SOUTHWEST WINDS AROUND 10 MPH.
SATURDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS AROUND 40. HIGHS IN THE UPPER 60S. WINDS
GENERALLY LESS THAN 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER
60S. WINDS GENERALLY LESS THAN 10 MPH.
MONDAY THROUGH TUESDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
HIGHS IN THE LOWER 70S.
WYZ289-162030-
GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-
INCLUDING THE CITY OF JEFFREY CITY
1225 PM MDT TUE SEP 15 2026
THIS AFTERNOON
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....70-75.
24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........17-23 PERCENT.
24 HR TREND......5 PERCENT WETTER.
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.....SOUTHWEST AROUND 20 MPH.
MIXING HEIGHT.......7600-9000 FT AGL.
SMOKE DISPERSAL.....EXCELLENT.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. CHANCE OF SHOWERS AFTER MIDNIGHT,
THEN SLIGHT CHANCE OF SHOWERS EARLY IN THE
MORNING. CHANCE OF SHOWERS 40 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....47-52.
24 HR TREND......10 DEGREES WARMER.
MAX HUMIDITY........75-81 PERCENT.
24 HR TREND......18 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH UNTIL 2100, THEN
DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2400, THEN
SOUTH 10 TO 15 MPH. GUSTS UP TO 30 MPH.
RIDGE TOP WINDS.....SOUTH 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......3200-5200 FT AGL UNTIL 2400, THEN 600 FT AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS EARLY IN THE AFTERNOON. CHANCE OF
PRECIPITATION 20 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....71-76.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........31-37 PERCENT.
24 HR TREND......12 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 25 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.
MIXING HEIGHT.......1200-3200 FT AGL UNTIL 1200, THEN 5400-7400 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN GOOD TO VERY
GOOD.
WEDNESDAY NIGHT
SKY/WEATHER.........CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS UNTIL
EARLY MORNING. CHANCE OF SHOWERS THROUGH THE
NIGHT. CHANCE OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....47-52.
24 HR TREND......2 DEGREES COOLER.
MAX HUMIDITY........76-82 PERCENT.
24 HR TREND......9 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2100, THEN
EAST 10 TO 15 MPH UNTIL 0300, THEN
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 35
MPH.
RIDGE TOP WINDS.....EAST AROUND 15 MPH.
CHC OF WETTING RAIN.40 PERCENT UNTIL 2400, THEN 15 PERCENT.
TRANSPORT WINDS.....SOUTHEAST AROUND 15 MPH.
MIXING HEIGHT.......2000-4000 FT AGL UNTIL 2400, THEN 800-1400 FT
AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SHOWERS THROUGH THE
DAY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....66-71.
24 HR TREND......3 DEGREES COOLER.
MIN HUMIDITY........49-55 PERCENT.
24 HR TREND......13 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN SOUTH
AROUND 10 MPH WITH GUSTS TO AROUND 25 MPH.
RIDGE TOP WINDS.....SOUTHEAST AROUND 10 MPH UNTIL 1200, THEN SOUTH.
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200, THEN 10 PERCENT.
TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH UNTIL 1200, THEN
SOUTHWEST.
MIXING HEIGHT.......600-2600 FT AGL UNTIL 1200, THEN 3800-5800 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY NIGHT
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS AROUND 50. SOUTHWEST
WINDS AROUND 10 MPH.
FRIDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 40S. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS
AROUND 10 MPH.
SATURDAY
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 60S.
WEST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER
60S. WINDS GENERALLY LESS THAN 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER
70S.
TUESDAY
PARTLY CLOUDY. HIGHS IN THE LOWER 70S.
WYZ300-162030-
CASPER MOUNTAIN-
1225 PM MDT TUE SEP 15 2026
THIS AFTERNOON
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....67-72.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........24-30 PERCENT.
24 HR TREND......11 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST 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 20 MPH.
MIXING HEIGHT.......5600-7600 FT AGL.
SMOKE DISPERSAL.....GOOD TO VERY GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. CHANCE
OF SHOWERS 20 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....50-55.
24 HR TREND......13 DEGREES WARMER.
MAX HUMIDITY........75-81 PERCENT.
24 HR TREND......12 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......SOUTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 35 MPH.
RIDGE TOP WINDS.....SOUTH AROUND 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH AROUND 20 MPH.
MIXING HEIGHT.......1400-3400 FT AGL UNTIL 2400, THEN 600 FT AGL.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....72-77.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........35-41 PERCENT.
24 HR TREND......11 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH UNTIL 1500, THEN
WEST. GUSTS UP TO 25 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.
MIXING HEIGHT.......1400-3400 FT AGL UNTIL 1200, THEN 6000-8000 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN GOOD TO VERY
GOOD.
WEDNESDAY NIGHT
SKY/WEATHER.........CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING. CHANCE OF SHOWERS THROUGH THE NIGHT.
CHANCE OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....48-53.
24 HR TREND......3 DEGREES COOLER.
MAX HUMIDITY........76-82 PERCENT.
24 HR TREND......3 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2100, THEN
EAST AROUND 10 MPH UNTIL 2400, THEN
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 20
MPH.
RIDGE TOP WINDS.....NORTHEAST 10 TO 15 MPH.
CHC OF WETTING RAIN.5 PERCENT.
TRANSPORT WINDS.....EAST AROUND 10 MPH.
MIXING HEIGHT.......1400-3400 FT AGL UNTIL 2400, THEN 600-1200 FT
AGL.
SMOKE DISPERSAL.....POOR.
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. SHOWERS LIKELY THROUGH THE DAY.
SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF PRECIPITATION 70 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....65-70.
24 HR TREND......4 DEGREES COOLER.
MIN HUMIDITY........66-72 PERCENT.
24 HR TREND......18 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH. GUSTS UP TO 15 MPH.
RIDGE TOP WINDS.....SOUTH 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200, THEN 20 PERCENT.
TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH UNTIL 1200, THEN
SOUTHWEST.
MIXING HEIGHT.......600-2400 FT AGL UNTIL 1200, THEN 3000-5000 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS 48 TO 53. HIGHS IN THE
LOWER 70S. SOUTHWEST WINDS AROUND 10 MPH.
SATURDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE MID 60S. WINDS
GENERALLY LESS THAN 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE MID
60S. WINDS GENERALLY LESS THAN 10 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 40S.
HIGHS AROUND 70.
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