353
FNUS55 KRIW 141958
FWFRIW
FIRE WEATHER PLANNING FORECAST FOR WESTERN AND CENTRAL WYOMING
NATIONAL WEATHER SERVICE RIVERTON WY
158 PM MDT SUN SEP 14 2025
DISCUSSION
...YELLOWSTONE NP AND TETON DISPATCH AREAS (INCLUDES FIRE WEATHER
ZONES 140...414...415...AND 416)...
DRY CONDITIONS WILL CONTINUE THROUGH THE DAY WITH SOME CUMULUS
BUILDUP OVER THE MOUNTAINS. AN APPROACHING SYSTEM WILL RETURN
SHOWERS AND THUNDERSTORMS TO THE AREA OVERNIGHT, WITH CHANCES THEN
CONTINUING THROUGH MONDAY. THIS WILL ACCOMPANY A WEAK COLD FRONT
THAT WILL MAKE FOR A COOLER DAY AS WELL AS SOME BREEZY WESTERLY
WINDS. UNSETTLED CONDITIONS WILL CONTINUE ON TUESDAY.
..CODY DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 275...276
282...283...285...286...287...288...AND 289)...
DRY CONDITIONS WILL CONTINUE THROUGH THE DAY WITH SOME CUMULUS
BUILDUP OVER THE MOUNTAINS. AN APPROACHING SYSTEM WILL RETURN
SHOWERS AND THUNDERSTORMS TO THE AREA BY SUNRISE MONDAY, WITH
CHANCES THEN CONTINUING THROUGH THE DAY. VARIABLE OUTFLOW WINDS
GUSTING TO AROUND 30 MPH WILL BE POSSIBLE WITH THIS ACTIVITY.
UNSETTLED CONDITIONS WILL CONTINUE ON TUESDAY.
..CASPER DISPATCH AREA (INCLUDES FIRE WEATHER ZONES 277...278
279...280...281...285...289...AND 300)...
DRY CONDITIONS WILL CONTINUE THROUGH THE DAY WITH SOME CUMULUS
BUILDUP OVER THE MOUNTAINS. AN APPROACHING SYSTEM WILL RETURN
SHOWERS AND THUNDERSTORMS TO THE AREA OVERNIGHT ACROSS WESTERN
ZONES, WITH CHANCES THEN CONTINUING THROUGH MONDAY FOR ALL ZONES.
THIS WILL BE ACCOMPANIED BY GUSTY WEST TO SOUTHWEST WINDS THROUGH
THE AFTERNOON HOURS. UNSETTLED CONDITIONS WILL CONTINUE ON
TUESDAY.
..THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS
WYZ280-152200-
NATRONA COUNTY/CASPER BLM-
INCLUDING THE CITIES OF CASPER AND MIDWEST
158 PM MDT SUN SEP 14 2025
THIS AFTERNOON
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....71-76.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........19-25 PERCENT.
24 HR TREND......5 PERCENT DRIER.
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.......8600-10200 FT AGL.
SMOKE DISPERSAL.....VERY GOOD TO EXCELLENT.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....48-53.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........54-60 PERCENT.
24 HR TREND......21 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
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 SOUTHWEST AROUND 10
MPH WITH GUSTS TO AROUND 15 MPH.
RIDGE TOP WINDS.....WEST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST AROUND 15 MPH.
MIXING HEIGHT.......3600-5600 FT AGL UNTIL 2400, THEN 400-600 FT
AGL.
SMOKE DISPERSAL.....GOOD UNTIL 2400, THEN POOR.
MONDAY
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS IN THE LATE
MORNING AND AFTERNOON. ISOLATED THUNDERSTORMS
IN THE AFTERNOON. CHANCE OF PRECIPITATION 20
PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....72-77.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........22-28 PERCENT.
24 HR TREND......2 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH UNTIL 1200, THEN
WEST AROUND 20 MPH. GUSTS UP TO 35 MPH.
RIDGE TOP WINDS.....WEST 20 TO 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH.
MIXING HEIGHT.......1600-3600 FT AGL UNTIL 1200, THEN 6200-8200 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN VERY GOOD TO
EXCELLENT.
MONDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS EARLY IN THE EVENING. SLIGHT
CHANCE OF SHOWERS AFTER MIDNIGHT. CHANCE OF
PRECIPITATION 20 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....43-48.
24 HR TREND......5 DEGREES COOLER.
MAX HUMIDITY........83-89 PERCENT.
24 HR TREND......32 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......NORTHWEST WINDS AROUND 15 MPH WITH GUSTS TO
AROUND 30 MPH UNTIL 2100, THEN NORTHEAST WITH
GUSTS TO AROUND 30 MPH UNTIL 2400, THEN
DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....NORTH 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......1600-3600 FT AGL UNTIL 2400, THEN 400-600 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 2400, THEN POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE
MORNING, THEN CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....65-70.
24 HR TREND......8 DEGREES COOLER.
MIN HUMIDITY........43-49 PERCENT.
24 HR TREND......19 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN NORTH
AROUND 10 MPH. GUSTS UP TO 20 MPH.
RIDGE TOP WINDS.....NORTH 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200, THEN 15 PERCENT.
TRANSPORT WINDS.....NORTH 10 TO 15 MPH.
MIXING HEIGHT.......1000-3000 FT AGL UNTIL 1200, THEN 4600-6600 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
TUESDAY THROUGH WEDNESDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS 42 TO 47. HIGHS IN THE
UPPER 60S. WINDS GENERALLY LESS THAN 10 MPH.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. LOWS 41 TO 46. HIGHS
71 TO 76. WINDS GENERALLY LESS THAN 10 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
MID 70S.
SUNDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S.
WYZ283-152200-
UPPER WIND RIVER BASIN/WIND RIVER BASIN-
INCLUDING THE CITIES OF CROWHEART, LANDER, RIVERTON, AND SHOSHONI
158 PM MDT SUN SEP 14 2025
THIS AFTERNOON
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....69-74.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........23-29 PERCENT.
24 HR TREND......8 PERCENT DRIER.
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.......9000-10000 FT AGL.
SMOKE DISPERSAL.....VERY GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS EARLY IN THE
MORNING. CHANCE OF SHOWERS 20 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....45-50.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........60-66 PERCENT.
24 HR TREND......20 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH. GUSTS UP TO 25 MPH
UNTIL 2400, THEN 15 MPH.
RIDGE TOP WINDS.....WEST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST AROUND 15 MPH.
MIXING HEIGHT.......3800-5800 FT AGL UNTIL 2400, THEN 400-800 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.
MONDAY
SKY/WEATHER.........PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. CHANCE OF PRECIPITATION 50
PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....67-72.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........26-32 PERCENT.
24 HR TREND......4 PERCENT WETTER.
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 35
MPH UNTIL 1500, THEN NORTHWEST AROUND 20 MPH
WITH GUSTS TO AROUND 35 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.......1000-3000 FT AGL UNTIL 1200, THEN 5400-7400 FT
AGL.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN VERY GOOD.
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. CHANCE OF SHOWERS 20 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....40-45.
24 HR TREND......5 DEGREES COOLER.
MAX HUMIDITY........78-84 PERCENT.
24 HR TREND......22 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......NORTH WINDS AROUND 10 MPH WITH GUSTS TO AROUND
25 MPH UNTIL 2400, THEN DOWNSLOPE/DOWNVALLEY
4-7 MPH.
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTH 10 TO 15 MPH.
MIXING HEIGHT.......1800-3800 FT AGL UNTIL 2400, THEN 400-800 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE
MORNING, THEN CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF PRECIPITATION 40 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....62-67.
24 HR TREND......6 DEGREES COOLER.
MIN HUMIDITY........47-53 PERCENT.
24 HR TREND......17 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200. WINDS
NORTHEAST AROUND 10 MPH WITH HIGHER GUSTS AFTER
1500.
RIDGE TOP WINDS.....NORTH 10 TO 15 MPH.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
TRANSPORT WINDS.....NORTH 10 TO 15 MPH.
MIXING HEIGHT.......1200-3200 FT AGL UNTIL 1200, THEN 4800-6800 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE MID 40S. WINDS GENERALLY LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 60S. WINDS
GENERALLY LESS THAN 10 MPH.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. LOWS 43 TO 48. HIGHS IN
THE MID 70S. WINDS GENERALLY LESS THAN 10 MPH.
SATURDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 70S.
SUNDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S.
WYZ285-152200-
SOUTH BIGHORN MOUNTAINS-
158 PM MDT SUN SEP 14 2025
THIS AFTERNOON
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....65-70.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........25-31 PERCENT.
24 HR TREND......11 PERCENT DRIER.
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.......6600-8200 FT AGL.
SMOKE DISPERSAL.....VERY GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....47-52.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........49-55 PERCENT.
24 HR TREND......17 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 2400, THEN
SOUTHWEST. GUSTS UP TO 25 MPH.
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH UNTIL 2400, THEN
SOUTHWEST.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST AROUND 15 MPH.
MIXING HEIGHT.......2400-4400 FT AGL UNTIL 2400, THEN 200-600 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 2400, THEN POOR.
MONDAY
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS UNTIL LATE
AFTERNOON. ISOLATED THUNDERSTORMS IN THE
AFTERNOON. SCATTERED SHOWERS EARLY IN THE
AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....64-69.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........29-35 PERCENT.
24 HR TREND......6 PERCENT WETTER.
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH. GUSTS UP TO 25 MPH
UNTIL 1200, THEN 35 MPH.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200, THEN 15 PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH.
MIXING HEIGHT.......1200-3200 FT AGL UNTIL 1200, THEN 4200-6200 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN GOOD TO VERY
GOOD.
MONDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS EARLY IN THE EVENING. CHANCE OF
SHOWERS IN THE LATE EVENING AND OVERNIGHT.
CHANCE OF PRECIPITATION 40 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....41-46.
24 HR TREND......6 DEGREES COOLER.
MAX HUMIDITY........79-85 PERCENT.
24 HR TREND......30 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......NORTH WINDS AROUND 10 MPH WITH GUSTS TO AROUND
25 MPH UNTIL 0300, THEN DOWNSLOPE/DOWNVALLEY
4-7 MPH.
RIDGE TOP WINDS.....NORTH 10 TO 15 MPH.
CHC OF WETTING RAIN.5 PERCENT.
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......400-2400 FT AGL.
SMOKE DISPERSAL.....POOR.
TUESDAY
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.....57-62.
24 HR TREND......8 DEGREES COOLER.
MIN HUMIDITY........51-57 PERCENT.
24 HR TREND......21 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN NORTH
AROUND 10 MPH. GUSTS UP TO 20 MPH.
RIDGE TOP WINDS.....NORTH 10 TO 15 MPH.
CHC OF WETTING RAIN.5 PERCENT UNTIL 1200, THEN 45 PERCENT.
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......800-2800 FT AGL UNTIL 1200, THEN 3000-5000 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
TUESDAY 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.
WEDNESDAY
MOSTLY CLEAR WITH CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE LOWER
60S. WINDS GENERALLY LESS THAN 10 MPH.
THURSDAY
CLEAR. LOWS IN THE MID 40S. HIGHS IN THE MID 60S.
WINDS GENERALLY LESS THAN 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER
60S. WEST WINDS AROUND 10 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 60S.
SUNDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S.
WYZ281-152200-
JOHNSON COUNTY/CASPER BLM-
INCLUDING THE CITIES OF BUFFALO AND KAYCEE
158 PM MDT SUN SEP 14 2025
THIS AFTERNOON
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....69-74.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........26-32 PERCENT.
24 HR TREND......11 PERCENT DRIER.
20-FOOT WINDS.......NORTH WINDS AROUND 10 MPH WITH HIGHER GUSTS.
RIDGE TOP WINDS.....NORTH AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST AROUND 15 MPH.
MIXING HEIGHT.......8800-10200 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......3 DEGREES WARMER.
MAX HUMIDITY........55-61 PERCENT.
24 HR TREND......29 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
20-FOOT WINDS.......NORTH WINDS AROUND 10 MPH UNTIL 2100, THEN
SOUTHWEST. GUSTS UP TO 20 MPH.
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH UNTIL 2400, THEN
SOUTHWEST.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH UNTIL 2400, THEN
SOUTHWEST.
MIXING HEIGHT.......3400-5400 FT AGL UNTIL 2400, THEN 400-600 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
ISOLATED SHOWERS EARLY IN THE AFTERNOON.
ISOLATED THUNDERSTORMS IN THE AFTERNOON.
SCATTERED SHOWERS LATE IN THE AFTERNOON. CHANCE
OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....70-75.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........27-33 PERCENT.
24 HR TREND......3 PERCENT WETTER.
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH WITH GUSTS TO AROUND
30 MPH UNTIL 1500, THEN NORTHWEST WITH GUSTS TO
AROUND 30 MPH.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH.
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200, THEN 10 PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH.
MIXING HEIGHT.......1800-3800 FT AGL UNTIL 1200, THEN 4800-6800 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN GOOD TO VERY
GOOD.
MONDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE EVENING. CHANCE OF SHOWERS
AFTER MIDNIGHT. CHANCE OF PRECIPITATION 50
PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....45-50.
24 HR TREND......4 DEGREES COOLER.
MAX HUMIDITY........79-85 PERCENT.
24 HR TREND......30 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 30 MPH UNTIL 0300, THEN
DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH.
CHC OF WETTING RAIN.10 PERCENT.
TRANSPORT WINDS.....NORTH 10 TO 15 MPH.
MIXING HEIGHT.......1000-3000 FT AGL UNTIL 2400, THEN 400-800 FT
AGL.
SMOKE DISPERSAL.....POOR.
TUESDAY
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.....62-67.
24 HR TREND......9 DEGREES COOLER.
MIN HUMIDITY........55-61 PERCENT.
24 HR TREND......25 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN NORTH
AROUND 10 MPH. GUSTS UP TO 20 MPH.
RIDGE TOP WINDS.....NORTH 10 TO 15 MPH.
CHC OF WETTING RAIN.5 PERCENT UNTIL 1200, THEN 35 PERCENT.
TRANSPORT WINDS.....NORTH 10 TO 15 MPH.
MIXING HEIGHT.......1200-3200 FT AGL UNTIL 1200, THEN 4000-6000 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF SHOWERS
AFTER MIDNIGHT. LOWS IN THE UPPER 40S. WINDS GENERALLY LESS THAN
10 MPH.
WEDNESDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE UPPER
60S. WINDS GENERALLY LESS THAN 10 MPH.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. LOWS 44 TO 49. HIGHS IN
THE LOWER 70S. SOUTHEAST WINDS AROUND 10 MPH.
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 70S.
SUNDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S.
WYZ282-152200-
SOUTH BIGHORN BASIN/WORLAND BLM-
INCLUDING THE CITIES OF TEN SLEEP, THERMOPOLIS, AND WORLAND
158 PM MDT SUN SEP 14 2025
THIS AFTERNOON
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....68-73.
24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........22-28 PERCENT.
24 HR TREND......13 PERCENT DRIER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.
RIDGE TOP WINDS.....NORTH AROUND 10 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST AROUND 10 MPH.
MIXING HEIGHT.......7400-8600 FT AGL.
SMOKE DISPERSAL.....GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....46-51.
24 HR TREND......4 DEGREES WARMER.
MAX HUMIDITY........53-59 PERCENT.
24 HR TREND......22 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 2400, THEN
SOUTHWEST AROUND 10 MPH. GUSTS UP TO 15 MPH.
RIDGE TOP WINDS.....EAST AROUND 10 MPH UNTIL 2400, THEN SOUTHWEST.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH UNTIL 2400, THEN
SOUTHWEST.
MIXING HEIGHT.......2400-4400 FT AGL UNTIL 2400, THEN 400-800 FT
AGL.
SMOKE DISPERSAL.....POOR.
MONDAY
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS EARLY IN THE
MORNING. SCATTERED SHOWERS. ISOLATED
THUNDERSTORMS IN THE AFTERNOON. CHANCE OF
PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....65-70.
24 HR TREND......3 DEGREES COOLER.
MIN HUMIDITY........30-36 PERCENT.
24 HR TREND......9 PERCENT WETTER.
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH AND GUSTY UNTIL 1200,
THEN NORTH WITH GUSTS TO AROUND 25 MPH.
RIDGE TOP WINDS.....SOUTH AROUND 15 MPH UNTIL 1200, THEN NORTH.
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200, THEN 15 PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 1200, THEN
NORTHWEST.
MIXING HEIGHT.......800-2800 FT AGL UNTIL 1200, THEN 3200-5200 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
MONDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE EVENING. CHANCE OF SHOWERS
AFTER MIDNIGHT. CHANCE OF PRECIPITATION 40
PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....40-45.
24 HR TREND......5 DEGREES COOLER.
MAX HUMIDITY........79-85 PERCENT.
24 HR TREND......25 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 0300, THEN
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 20
MPH.
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH.
CHC OF WETTING RAIN.5 PERCENT.
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......400-2400 FT AGL.
SMOKE DISPERSAL.....POOR.
TUESDAY
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.....60-65.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........47-53 PERCENT.
24 HR TREND......14 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.5 PERCENT UNTIL 1200, THEN 25 PERCENT.
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......1000-3000 FT AGL UNTIL 1200, THEN 4000-6000 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 40S. WINDS GENERALLY LESS THAN
10 MPH.
WEDNESDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS IN THE
MID 40S. HIGHS IN THE LOWER 70S. WINDS GENERALLY LESS THAN
10 MPH.
THURSDAY
CLEAR. LOWS IN THE MID 40S. HIGHS IN THE MID 70S.
WINDS GENERALLY LESS THAN 10 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. WINDS GENERALLY LESS THAN 10 MPH.
SATURDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 70S.
SUNDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S.
WYZ275-152200-
NORTH BIGHORN BASIN/WORLAND BLM-
INCLUDING THE CITIES OF GREYBULL, LOVELL, AND POWELL
158 PM MDT SUN SEP 14 2025
THIS AFTERNOON
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....66-71.
24 HR TREND......8 DEGREES WARMER.
MIN HUMIDITY........22-28 PERCENT.
24 HR TREND......16 PERCENT DRIER.
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH AND GUSTY.
RIDGE TOP WINDS.....SOUTH AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......7400-8800 FT AGL.
SMOKE DISPERSAL.....GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....46-51.
24 HR TREND......4 DEGREES WARMER.
MAX HUMIDITY........56-62 PERCENT.
24 HR TREND......27 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH UNTIL 0300, THEN
WEST. GUSTS UP TO 15 MPH.
RIDGE TOP WINDS.....SOUTHEAST AROUND 15 MPH UNTIL 2400, THEN
SOUTHWEST.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
MIXING HEIGHT.......2400-4400 FT AGL UNTIL 2400, THEN 400-800 FT
AGL.
SMOKE DISPERSAL.....POOR.
MONDAY
SKY/WEATHER.........PARTLY CLOUDY. SCATTERED SHOWERS THROUGH THE
DAY. SCATTERED THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....62-67.
24 HR TREND......6 DEGREES COOLER.
MIN HUMIDITY........33-39 PERCENT.
24 HR TREND......11 PERCENT WETTER.
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH AND GUSTY UNTIL 1200,
THEN EAST WITH GUSTS TO AROUND 25 MPH UNTIL
1500, THEN NORTH WITH GUSTS TO AROUND 25 MPH.
RIDGE TOP WINDS.....SOUTH AROUND 15 MPH UNTIL 1200, THEN NORTHEAST.
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200, THEN 15 PERCENT.
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.
MIXING HEIGHT.......600-2600 FT AGL UNTIL 1200, THEN 2600-4400 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
MONDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. CHANCE OF PRECIPITATION 50
PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....40-45.
24 HR TREND......4 DEGREES COOLER.
MAX HUMIDITY........79-85 PERCENT.
24 HR TREND......25 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH WITH GUSTS TO
AROUND 25 MPH.
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH.
CHC OF WETTING RAIN.10 PERCENT UNTIL 2400, THEN 30 PERCENT.
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.
MIXING HEIGHT.......600-2600 FT AGL.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING 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.....58-63.
24 HR TREND......3 DEGREES COOLER.
MIN HUMIDITY........53-59 PERCENT.
24 HR TREND......16 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN NORTH
AROUND 10 MPH. GUSTS UP TO 20 MPH.
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH.
CHC OF WETTING RAIN.40 PERCENT UNTIL 1200, THEN 20 PERCENT.
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......800-2800 FT AGL UNTIL 1200, THEN 3200-4800 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE UPPER 40S. WINDS GENERALLY LESS THAN
10 MPH.
WEDNESDAY
WARMER. MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 70S.
WINDS GENERALLY LESS THAN 10 MPH.
THURSDAY
CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID 70S.
WINDS GENERALLY LESS THAN 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. WINDS GENERALLY LESS THAN 10 MPH.
SATURDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 70S.
SUNDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S.
WYZ276-152200-
CODY FOOTHILLS-
INCLUDING THE CITIES OF CLARK, CODY, AND MEETEETSE
158 PM MDT SUN SEP 14 2025
THIS AFTERNOON
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....71-76.
24 HR TREND......9 DEGREES WARMER.
MIN HUMIDITY........24-30 PERCENT.
24 HR TREND......18 PERCENT DRIER.
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.......8200-10000 FT AGL.
SMOKE DISPERSAL.....VERY GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....48-53.
24 HR TREND......4 DEGREES WARMER.
MAX HUMIDITY........55-61 PERCENT.
24 HR TREND......21 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 30 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST AROUND 15 MPH.
MIXING HEIGHT.......3200-5200 FT AGL UNTIL 2400, THEN 600-1000 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.
MONDAY
SKY/WEATHER.........PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS IN THE MORNING, THEN NUMEROUS
SHOWERS AND SCATTERED THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF PRECIPITATION 70 PERCENT.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....64-69.
24 HR TREND......7 DEGREES COOLER.
MIN HUMIDITY........34-40 PERCENT.
24 HR TREND......9 PERCENT WETTER.
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH UNTIL 1200, THEN
NORTH. GUSTS UP TO 25 MPH.
RIDGE TOP WINDS.....WEST AROUND 15 MPH UNTIL 1200, THEN NORTH.
CHC OF WETTING RAIN.5 PERCENT UNTIL 1200, THEN 30 PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH.
MIXING HEIGHT.......2200-4200 FT AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE EVENING. CHANCE OF SHOWERS
AFTER MIDNIGHT. CHANCE OF PRECIPITATION 50
PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....43-48.
24 HR TREND......5 DEGREES COOLER.
MAX HUMIDITY........75-81 PERCENT.
24 HR TREND......19 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 2400, THEN
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 20
MPH.
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH.
CHC OF WETTING RAIN.5 PERCENT UNTIL 2400, THEN 20 PERCENT.
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......800-2800 FT AGL.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING 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.....59-64.
24 HR TREND......4 DEGREES COOLER.
MIN HUMIDITY........58-64 PERCENT.
24 HR TREND......20 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN
NORTHEAST AROUND 10 MPH. GUSTS UP TO 15 MPH.
RIDGE TOP WINDS.....NORTHWEST AROUND 10 MPH UNTIL 1200, THEN
NORTHEAST.
CHC OF WETTING RAIN.35 PERCENT.
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......800-2800 FT AGL UNTIL 1200, THEN 2800-4600 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S. WINDS
GENERALLY LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S.
WINDS GENERALLY LESS THAN 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. WINDS GENERALLY LESS THAN 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. WINDS GENERALLY LESS THAN 10 MPH.
SATURDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS AROUND 50. HIGHS IN THE LOWER 70S.
SUNDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S.
WYZ287-152200-
OWL CREEK MOUNTAINS-
158 PM MDT SUN SEP 14 2025
THIS AFTERNOON
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....66-71.
24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........23-29 PERCENT.
24 HR TREND......16 PERCENT DRIER.
20-FOOT WINDS.......NORTHEAST WINDS AROUND 10 MPH WITH HIGHER
GUSTS.
RIDGE TOP WINDS.....NORTHEAST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST AROUND 15 MPH.
MIXING HEIGHT.......7200-8800 FT AGL.
SMOKE DISPERSAL.....GOOD TO VERY GOOD.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR. ISOLATED SHOWERS EARLY IN THE
MORNING. CHANCE OF SHOWERS 20 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....48-53.
24 HR TREND......4 DEGREES WARMER.
MAX HUMIDITY........49-55 PERCENT.
24 HR TREND......24 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
20-FOOT WINDS.......SOUTHEAST WINDS AROUND 10 MPH UNTIL 2100, THEN
WEST. GUSTS UP TO 20 MPH.
RIDGE TOP WINDS.....WEST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST AROUND 15 MPH.
MIXING HEIGHT.......2600-4600 FT AGL UNTIL 2400, THEN 200-600 FT
AGL.
SMOKE DISPERSAL.....POOR.
MONDAY
SKY/WEATHER.........PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS IN THE MORNING, THEN NUMEROUS
SHOWERS AND SCATTERED THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF PRECIPITATION 70 PERCENT.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....63-68.
24 HR TREND......3 DEGREES COOLER.
MIN HUMIDITY........29-35 PERCENT.
24 HR TREND......6 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH UNTIL 1500, THEN
NORTHWEST. GUSTS UP TO 30 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 1200, THEN
NORTHWEST.
CHC OF WETTING RAIN.5 PERCENT UNTIL 1200, THEN 40 PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH.
MIXING HEIGHT.......800-2800 FT AGL UNTIL 1200, THEN 3200-5200 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
MONDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS EARLY IN THE EVENING. CHANCE OF
SHOWERS AFTER MIDNIGHT. CHANCE OF PRECIPITATION
30 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....41-46.
24 HR TREND......6 DEGREES COOLER.
MAX HUMIDITY........74-80 PERCENT.
24 HR TREND......22 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.....NORTH AROUND 15 MPH.
MIXING HEIGHT.......400-2400 FT AGL.
SMOKE DISPERSAL.....POOR.
TUESDAY
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.....56-61.
24 HR TREND......6 DEGREES COOLER.
MIN HUMIDITY........56-62 PERCENT.
24 HR TREND......20 PERCENT WETTER.
20-FOOT WINDS.......NORTH WINDS AROUND 10 MPH WITH HIGHER GUSTS.
RIDGE TOP WINDS.....NORTH AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200, THEN 25 PERCENT.
TRANSPORT WINDS.....NORTH AROUND 15 MPH.
MIXING HEIGHT.......800-2800 FT AGL UNTIL 1200, THEN 3800-5800 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE MID 60S. WINDS
GENERALLY LESS THAN 10 MPH.
THURSDAY
CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S.
WINDS GENERALLY LESS THAN 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 60S. WINDS GENERALLY LESS THAN 10 MPH.
SATURDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS AROUND 70.
SUNDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S.
WYZ286-152200-
ABSAROKA MOUNTAINS/NORTH SHOSHONE NF-
INCLUDING THE CITY OF PAHASKA
158 PM MDT SUN SEP 14 2025
THIS AFTERNOON
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....62-67.
24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........35-41 PERCENT.
24 HR TREND......11 PERCENT DRIER.
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.......6800-8400 FT AGL.
SMOKE DISPERSAL.....VERY GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS EARLY IN THE
MORNING. ISOLATED THUNDERSTORMS EARLY IN THE
MORNING. SCATTERED SHOWERS EARLY IN THE
MORNING. CHANCE OF PRECIPITATION 40 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....41-46.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........71-77 PERCENT.
24 HR TREND......16 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......WEST WINDS 10 TO 15 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.......2600-4600 FT AGL UNTIL 2400, THEN 400-1000 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.
MONDAY
SKY/WEATHER.........PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS IN THE MORNING, THEN NUMEROUS
SHOWERS AND SCATTERED THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF PRECIPITATION 70 PERCENT.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....56-61.
24 HR TREND......6 DEGREES COOLER.
MIN HUMIDITY........37-43 PERCENT.
24 HR TREND......5 PERCENT WETTER.
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 30
MPH.
RIDGE TOP WINDS.....WEST 15 TO 20 MPH.
CHC OF WETTING RAIN.5 PERCENT UNTIL 1200, THEN 25 PERCENT.
TRANSPORT WINDS.....WEST 15 TO 20 MPH.
MIXING HEIGHT.......1200-3200 FT AGL UNTIL 1200, THEN 4400-6400 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN GOOD.
MONDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN CHANCE OF
SHOWERS AND SLIGHT CHANCE OF SNOW SHOWERS AFTER
MIDNIGHT. CHANCE OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....37-42.
24 HR TREND......3 DEGREES COOLER.
MAX HUMIDITY........76-82 PERCENT.
24 HR TREND......2 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH WITH GUSTS TO
AROUND 25 MPH UNTIL 2400, THEN
DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH.
CHC OF WETTING RAIN.7 PERCENT.
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......2000-4000 FT AGL UNTIL 2400, THEN 400-1000 FT
AGL.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY. CHANCE OF SNOW SHOWERS EARLY IN
THE MORNING. 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.....51-56.
24 HR TREND......3 DEGREES COOLER.
MIN HUMIDITY........60-66 PERCENT.
24 HR TREND......17 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN EAST
AROUND 10 MPH. GUSTS UP TO 20 MPH.
RIDGE TOP WINDS.....NORTHEAST 10 TO 15 MPH.
CHC OF WETTING RAIN.20 PERCENT UNTIL 1200, THEN 30 PERCENT.
TRANSPORT WINDS.....NORTHEAST 10 TO 15 MPH.
MIXING HEIGHT.......1000-3000 FT AGL UNTIL 1200, THEN 3400-5400 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 30S. WINDS
GENERALLY LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS AROUND 60. WINDS
GENERALLY LESS THAN 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 60S. WINDS GENERALLY LESS THAN 10 MPH.
FRIDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 60S.
WINDS GENERALLY LESS THAN 10 MPH.
SATURDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 60S.
SUNDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS IN THE MORNING,
THEN CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. HIGHS IN THE LOWER 60S.
WYZ140-152200-
YELLOWSTONE NATIONAL PARK-
INCLUDING THE CITIES OF LAKE, MAMMOTH, AND OLD FAITHFUL
158 PM MDT SUN SEP 14 2025
THIS AFTERNOON
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....61-66.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........35-41 PERCENT.
24 HR TREND......4 PERCENT DRIER.
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 20 MPH.
MIXING HEIGHT.......6000-7800 FT AGL.
SMOKE DISPERSAL.....VERY GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS AFTER MIDNIGHT. CHANCE OF
PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....36-41.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........83-89 PERCENT.
24 HR TREND......5 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
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.LESS THAN 5 PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......2000-4000 FT AGL UNTIL 2400, THEN 400-800 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
MONDAY
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
ISOLATED THUNDERSTORMS UNTIL LATE AFTERNOON.
SCATTERED SHOWERS THROUGH THE DAY. SCATTERED
THUNDERSTORMS LATE IN THE AFTERNOON. CHANCE OF
PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....53-58.
24 HR TREND......7 DEGREES COOLER.
MIN HUMIDITY........42-48 PERCENT.
24 HR TREND......7 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH UNTIL 1500, THEN
WEST. GUSTS UP TO 25 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.
CHC OF WETTING RAIN.12 PERCENT.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.
MIXING HEIGHT.......1200-3200 FT AGL UNTIL 1200, THEN 4600-6600 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN GOOD.
MONDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED THUNDERSTORMS IN THE
EVENING. SLIGHT CHANCE OF SHOWERS THROUGH THE
NIGHT. SLIGHT CHANCE OF SNOW SHOWERS EARLY IN
THE MORNING. CHANCE OF PRECIPITATION 20
PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....33-38.
24 HR TREND......2 DEGREES COOLER.
MAX HUMIDITY........82-88 PERCENT.
24 HR TREND......1 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH UNTIL 2100, THEN
DOWNSLOPE/DOWNVALLEY 4-7 MPH. GUSTS UP TO 15
MPH.
RIDGE TOP WINDS.....NORTH 5 TO 10 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTH 5 TO 10 MPH.
MIXING HEIGHT.......2200-4200 FT AGL UNTIL 2400, THEN 400-800 FT
AGL.
SMOKE DISPERSAL.....POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS
EARLY IN THE MORNING. SLIGHT CHANCE OF SHOWERS
IN THE MORNING, THEN CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....56-61.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........52-58 PERCENT.
24 HR TREND......3 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.
RIDGE TOP WINDS.....NORTHEAST AROUND 10 MPH.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH.
MIXING HEIGHT.......1200-3200 FT AGL UNTIL 1200, THEN 4200-6000 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
TUESDAY THROUGH THURSDAY
MOSTLY CLEAR. LOWS 33 TO 38. HIGHS
63 TO 68. WINDS GENERALLY LESS THAN 10 MPH.
FRIDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 60S.
WINDS GENERALLY LESS THAN 10 MPH.
SATURDAY THROUGH SUNDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS
IN THE MID 60S.
WYZ415-152200-
NORTH ZONE BRIDGER TETON NF AND GRAND TETON NP-
INCLUDING THE CITIES OF JACKSON AND MORAN
158 PM MDT SUN SEP 14 2025
THIS AFTERNOON
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....60-65.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........34-40 PERCENT.
24 HR TREND......2 PERCENT DRIER.
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.......6400-8400 FT AGL.
SMOKE DISPERSAL.....VERY GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS LATE IN THE
EVENING. ISOLATED THUNDERSTORMS LATE IN THE
EVENING, THEN SCATTERED SHOWERS EARLY IN THE
MORNING. CHANCE OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....36-41.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........83-89 PERCENT.
24 HR TREND......3 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH AND GUSTY.
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 2400, THEN 10 PERCENT.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......2400-4400 FT AGL UNTIL 2400, THEN 400-1000 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
MONDAY
SKY/WEATHER.........PARTLY CLOUDY. NUMEROUS SHOWERS IN THE MORNING.
SCATTERED THUNDERSTORMS THROUGH THE DAY.
SCATTERED SHOWERS IN THE AFTERNOON. CHANCE OF
PRECIPITATION 70 PERCENT.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....53-58.
24 HR TREND......6 DEGREES COOLER.
MIN HUMIDITY........38-44 PERCENT.
24 HR TREND......4 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN
SOUTHWEST 10 TO 15 MPH WITH GUSTS TO AROUND 25
MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.
CHC OF WETTING RAIN.30 PERCENT UNTIL 1200, THEN 5 PERCENT.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.
MIXING HEIGHT.......1000-3000 FT AGL UNTIL 1200, THEN 4600-6600 FT
AGL.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.
MONDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....30-35.
24 HR TREND......4 DEGREES COOLER.
MAX HUMIDITY........76-82 PERCENT.
24 HR TREND......7 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH AND GUSTY UNTIL 2100,
THEN DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....NORTHWEST AROUND 10 MPH UNTIL 2400, THEN EAST.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH UNTIL 2400, THEN
NORTHEAST.
MIXING HEIGHT.......2600-4600 FT AGL UNTIL 2400, THEN 400-1000 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS THROUGH
THE DAY. SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. CHANCE OF PRECIPITATION 20 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....58-63.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........42-48 PERCENT.
24 HR TREND......1 PERCENT DRIER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.
RIDGE TOP WINDS.....NORTHEAST 5 TO 10 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.
MIXING HEIGHT.......1400-3400 FT AGL UNTIL 1200, THEN 5200-7200 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S. WINDS
GENERALLY LESS THAN 10 MPH.
WEDNESDAY
CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID 60S.
WINDS GENERALLY LESS THAN 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID
60S. WINDS GENERALLY LESS THAN 10 MPH.
FRIDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN
THE LOWER 40S. HIGHS IN THE UPPER 60S. WINDS GENERALLY LESS THAN
10 MPH.
SATURDAY THROUGH SUNDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS AROUND 40. HIGHS IN THE
MID 60S.
WYZ416-152200-
WEST WIND RIVER MOUNTAINS/EAST ZONE BRIDGER TETON NF-
158 PM MDT SUN SEP 14 2025
THIS AFTERNOON
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....58-63.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........33-39 PERCENT.
24 HR TREND......UNCHANGED.
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.......6600-7800 FT AGL.
SMOKE DISPERSAL.....VERY GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS EARLY IN THE
MORNING. ISOLATED THUNDERSTORMS EARLY IN THE
MORNING. SCATTERED SHOWERS EARLY IN THE
MORNING. CHANCE OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....35-40.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........79-85 PERCENT.
24 HR TREND......7 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH WITH GUSTS TO AROUND
25 MPH UNTIL 0300, THEN DOWNSLOPE/DOWNVALLEY
4-7 MPH.
RIDGE TOP WINDS.....WEST 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 10 TO 15 MPH.
MIXING HEIGHT.......2400-4400 FT AGL UNTIL 2400, THEN 400-800 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.
MONDAY
SKY/WEATHER.........PARTLY CLOUDY. NUMEROUS SHOWERS IN THE MORNING.
SCATTERED THUNDERSTORMS THROUGH THE DAY.
SCATTERED SHOWERS IN THE AFTERNOON. CHANCE OF
PRECIPITATION 70 PERCENT.
CHANCE OF THUNDER...40 PERCENT.
MAX TEMPERATURE.....53-58.
24 HR TREND......4 DEGREES COOLER.
MIN HUMIDITY........38-44 PERCENT.
24 HR TREND......4 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS TO
AROUND 25 MPH UNTIL 1200, THEN WEST 15 TO 20
MPH WITH GUSTS TO AROUND 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST 15 TO 20 MPH.
CHC OF WETTING RAIN.10 PERCENT UNTIL 1200, THEN 20 PERCENT.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.
MIXING HEIGHT.......1000-3000 FT AGL UNTIL 1200, THEN 4400-6400 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN GOOD TO VERY
GOOD.
MONDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS EARLY IN THE EVENING. CHANCE OF
PRECIPITATION 20 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....30-35.
24 HR TREND......3 DEGREES COOLER.
MAX HUMIDITY........75-81 PERCENT.
24 HR TREND......11 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH WITH GUSTS TO AROUND
30 MPH UNTIL 2100, THEN DOWNSLOPE/DOWNVALLEY
4-7 MPH.
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH UNTIL 2400, THEN
NORTHEAST.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH UNTIL 2400, THEN
NORTHEAST.
MIXING HEIGHT.......2000-4000 FT AGL UNTIL 2400, THEN 400-800 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 2400, THEN POOR.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
SLIGHT CHANCE OF SNOW SHOWERS EARLY IN THE
MORNING. SLIGHT CHANCE OF SHOWERS IN THE
MORNING, THEN CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF PRECIPITATION 30 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....52-57.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........44-50 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN
SOUTHEAST AROUND 10 MPH UNTIL 1500, THEN EAST.
GUSTS UP TO 15 MPH.
RIDGE TOP WINDS.....EAST 10 TO 15 MPH.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
TRANSPORT WINDS.....EAST AROUND 10 MPH UNTIL 1200, THEN WEST.
MIXING HEIGHT.......1600-3600 FT AGL UNTIL 1200, THEN 5800-7800 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
TUESDAY THROUGH WEDNESDAY
MOSTLY CLEAR WITH SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. LOWS 32 TO 37. HIGHS IN THE UPPER 50S.
WINDS GENERALLY LESS THAN 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE
LOWER 60S. WINDS GENERALLY LESS THAN 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
LOWER 60S. WINDS GENERALLY LESS THAN 10 MPH.
SATURDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE
LOWER 60S.
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE MORNING,
THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
HIGHS AROUND 60.
WYZ288-152200-
EAST WIND RIVER MOUNTAINS/SOUTH SHOSHONE NF-
INCLUDING THE CITIES OF DUBOIS AND SOUTH PASS
158 PM MDT SUN SEP 14 2025
THIS AFTERNOON
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....61-66.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........31-37 PERCENT.
24 HR TREND......3 PERCENT DRIER.
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.....WEST AROUND 20 MPH.
MIXING HEIGHT.......6800-8400 FT AGL.
SMOKE DISPERSAL.....VERY GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS EARLY IN THE
MORNING. ISOLATED THUNDERSTORMS EARLY IN THE
MORNING. SCATTERED SHOWERS EARLY IN THE
MORNING. CHANCE OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....39-44.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........66-72 PERCENT.
24 HR TREND......16 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
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.......2800-4800 FT AGL UNTIL 2400, THEN 400-800 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.
MONDAY
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED THUNDERSTORMS IN THE
MORNING. SCATTERED SHOWERS THROUGH THE DAY.
SCATTERED THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....58-63.
24 HR TREND......3 DEGREES COOLER.
MIN HUMIDITY........33-39 PERCENT.
24 HR TREND......1 PERCENT WETTER.
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.10 PERCENT.
TRANSPORT WINDS.....WEST AROUND 20 MPH UNTIL 1200, THEN AROUND 30
MPH.
MIXING HEIGHT.......1400-3400 FT AGL UNTIL 1200, THEN 5400-7400 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN VERY GOOD TO
EXCELLENT.
MONDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
SNOW SHOWERS AFTER MIDNIGHT. CHANCE OF
PRECIPITATION 20 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....34-39.
24 HR TREND......4 DEGREES COOLER.
MAX HUMIDITY........72-78 PERCENT.
24 HR TREND......1 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 35
MPH UNTIL 2400, THEN DOWNSLOPE/DOWNVALLEY 4-7
MPH.
RIDGE TOP WINDS.....WEST 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......2000-4000 FT AGL UNTIL 2400, THEN 400-800 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS IN
THE MORNING. SLIGHT CHANCE OF SHOWERS IN THE
MORNING, THEN CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF PRECIPITATION 40 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....52-57.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........47-53 PERCENT.
24 HR TREND......17 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN
NORTHEAST AROUND 10 MPH. GUSTS UP TO 20 MPH.
RIDGE TOP WINDS.....NORTHEAST 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200, THEN 15 PERCENT.
TRANSPORT WINDS.....NORTHEAST 10 TO 15 MPH.
MIXING HEIGHT.......1200-3200 FT AGL UNTIL 1200, THEN 3800-5800 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 30S. WINDS
GENERALLY LESS THAN 10 MPH.
WEDNESDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S.
WINDS GENERALLY LESS THAN 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 60S. WINDS GENERALLY LESS THAN 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID
60S. WINDS GENERALLY LESS THAN 10 MPH.
SATURDAY THROUGH SUNDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE
MID 60S.
WYZ414-152200-
SALT AND WYOMING RANGES/WEST ZONE BRIDGER TETON NF-
INCLUDING THE CITY OF AFTON
158 PM MDT SUN SEP 14 2025
THIS AFTERNOON
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....60-65.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........33-39 PERCENT.
24 HR TREND......UNCHANGED.
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.......6400-8400 FT AGL.
SMOKE DISPERSAL.....VERY GOOD.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AFTER MIDNIGHT.
ISOLATED THUNDERSTORMS AFTER MIDNIGHT.
SCATTERED SHOWERS EARLY IN THE MORNING. CHANCE
OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....36-41.
24 HR TREND......4 DEGREES WARMER.
MAX HUMIDITY........80-86 PERCENT.
24 HR TREND......1 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH. GUSTS UP TO 25
MPH UNTIL 2400, THEN 15 MPH.
RIDGE TOP WINDS.....SOUTHWEST 10 TO 15 MPH.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......2600-4600 FT AGL UNTIL 2400, THEN 400-1000 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.
MONDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
SCATTERED SHOWERS AND THUNDERSTORMS THROUGH THE
DAY. CHANCE OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....54-59.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........36-42 PERCENT.
24 HR TREND......4 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 0900, THEN WEST
10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 1200, THEN WEST
AROUND 20 MPH.
CHC OF WETTING RAIN.5 PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 1200, THEN WEST
AROUND 20 MPH.
MIXING HEIGHT.......1400-3400 FT AGL UNTIL 1200, THEN 5000-7000 FT
AGL.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD TO VERY GOOD.
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....31-36.
24 HR TREND......4 DEGREES COOLER.
MAX HUMIDITY........74-80 PERCENT.
24 HR TREND......14 PERCENT DRIER.
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.
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH UNTIL 2400, THEN
NORTHEAST.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH UNTIL 2400, THEN
NORTHEAST.
MIXING HEIGHT.......2400-4400 FT AGL UNTIL 2400, THEN 400-1000 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. CHANCE OF
PRECIPITATION 20 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....59-64.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........32-38 PERCENT.
24 HR TREND......5 PERCENT DRIER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH. GUSTS UP TO 15 MPH.
RIDGE TOP WINDS.....NORTHEAST AROUND 10 MPH UNTIL 1200, THEN NORTH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH UNTIL 1200, THEN
NORTHWEST.
MIXING HEIGHT.......1800-3800 FT AGL UNTIL 1200, THEN 6400-8400 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S. WINDS
GENERALLY LESS THAN 10 MPH.
WEDNESDAY
CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID 60S.
WINDS GENERALLY LESS THAN 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS AROUND 40. HIGHS IN THE UPPER 60S.
WINDS GENERALLY LESS THAN 10 MPH.
FRIDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 60S.
WINDS GENERALLY LESS THAN 10 MPH.
SATURDAY THROUGH SUNDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS
62 TO 67.
WYZ278-152200-
UPPER GREEN RIVER BASIN/ROCK SPRINGS BLM-
INCLUDING THE CITIES OF BIG PINEY, FARSON, AND PINEDALE
158 PM MDT SUN SEP 14 2025
THIS AFTERNOON
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....61-66.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........29-35 PERCENT.
24 HR TREND......1 PERCENT DRIER.
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.......8200-9800 FT AGL.
SMOKE DISPERSAL.....VERY GOOD TO EXCELLENT.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS EARLY IN THE
MORNING. ISOLATED THUNDERSTORMS EARLY IN THE
MORNING. SCATTERED SHOWERS EARLY IN THE
MORNING. CHANCE OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....36-41.
24 HR TREND......7 DEGREES WARMER.
MAX HUMIDITY........75-81 PERCENT.
24 HR TREND......15 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH WITH GUSTS TO AROUND
25 MPH UNTIL 2400, THEN DOWNSLOPE/DOWNVALLEY
4-7 MPH.
RIDGE TOP WINDS.....WEST 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST 10 TO 15 MPH.
MIXING HEIGHT.......3400-5400 FT AGL UNTIL 2400, THEN 600 FT AGL.
SMOKE DISPERSAL.....GOOD UNTIL 2400, THEN POOR.
MONDAY
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED THUNDERSTORMS IN THE
MORNING. SCATTERED SHOWERS THROUGH THE DAY.
SCATTERED THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...30 PERCENT.
MAX TEMPERATURE.....60-65.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........30-36 PERCENT.
24 HR TREND......1 PERCENT WETTER.
20-FOOT WINDS.......NORTH WINDS AROUND 10 MPH AND GUSTY UNTIL 0900,
THEN SOUTHWEST WITH GUSTS TO AROUND 35 MPH
UNTIL 1500, THEN WEST AROUND 20 MPH WITH GUSTS
TO AROUND 35 MPH.
RIDGE TOP WINDS.....NORTHWEST AROUND 15 MPH UNTIL 1200, THEN WEST
AROUND 25 MPH.
CHC OF WETTING RAIN.7 PERCENT.
TRANSPORT WINDS.....WEST AROUND 15 MPH UNTIL 1200, THEN AROUND 25
MPH.
MIXING HEIGHT.......1000-3000 FT AGL UNTIL 1200, THEN 6000-8000 FT
AGL.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN VERY GOOD.
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....32-37.
24 HR TREND......6 DEGREES COOLER.
MAX HUMIDITY........71-77 PERCENT.
24 HR TREND......1 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 30 MPH UNTIL 2400, THEN
DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTH 10 TO 15 MPH.
MIXING HEIGHT.......2400-4400 FT AGL UNTIL 2400, THEN 400-600 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. CHANCE OF PRECIPITATION 20
PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....58-63.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........32-38 PERCENT.
24 HR TREND......2 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH. GUSTS UP TO 15 MPH.
RIDGE TOP WINDS.....NORTHEAST AROUND 10 MPH UNTIL 1200, THEN
SOUTHEAST.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTH AROUND 10 MPH UNTIL 1200, THEN NORTHWEST.
MIXING HEIGHT.......1400-3400 FT AGL UNTIL 1200, THEN 5800-7800 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S. WINDS
GENERALLY LESS THAN 10 MPH.
WEDNESDAY
CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID 60S.
WINDS GENERALLY LESS THAN 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS AROUND 70.
WINDS GENERALLY LESS THAN 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 70S. WINDS GENERALLY LESS THAN 10 MPH.
SATURDAY THROUGH SUNDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS AROUND
70.
WYZ277-152200-
LINCOLN AND UINTA COUNTIES/LOWER ELEVATIONS-
INCLUDING THE CITIES OF EVANSTON, FORT BRIDGER, AND KEMMERER
158 PM MDT SUN SEP 14 2025
THIS AFTERNOON
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....62-67.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........26-32 PERCENT.
24 HR TREND......1 PERCENT DRIER.
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.......7800-9600 FT AGL.
SMOKE DISPERSAL.....VERY GOOD TO EXCELLENT.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AFTER MIDNIGHT.
ISOLATED THUNDERSTORMS AFTER MIDNIGHT.
SCATTERED SHOWERS EARLY IN THE MORNING. CHANCE
OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....39-44.
24 HR TREND......6 DEGREES WARMER.
MAX HUMIDITY........71-77 PERCENT.
24 HR TREND......10 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH UNTIL 2400, THEN
DOWNSLOPE/DOWNVALLEY 4-7 MPH UNTIL 0300, THEN
NORTHWEST AROUND 10 MPH. GUSTS UP TO 25 MPH.
RIDGE TOP WINDS.....WEST 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST AROUND 15 MPH.
MIXING HEIGHT.......3000-5000 FT AGL UNTIL 2400, THEN 400-800 FT
AGL.
SMOKE DISPERSAL.....GOOD UNTIL 2400, THEN POOR.
MONDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
SCATTERED SHOWERS EARLY IN THE MORNING.
ISOLATED THUNDERSTORMS UNTIL LATE AFTERNOON.
ISOLATED SHOWERS IN THE LATE MORNING AND EARLY
AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....61-66.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........28-34 PERCENT.
24 HR TREND......3 PERCENT WETTER.
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH WITH HIGHER GUSTS
UNTIL 1200, THEN AROUND 20 MPH WITH GUSTS TO
AROUND 35 MPH.
RIDGE TOP WINDS.....WEST AROUND 15 MPH UNTIL 1200, THEN AROUND 25
MPH.
CHC OF WETTING RAIN.10 PERCENT UNTIL 1200, THEN ZERO PERCENT.
TRANSPORT WINDS.....WEST AROUND 15 MPH UNTIL 1200, THEN AROUND 25
MPH.
MIXING HEIGHT.......1200-3200 FT AGL UNTIL 1200, THEN 6000-8000 FT
AGL.
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN VERY GOOD TO EXCELLENT.
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....34-39.
24 HR TREND......6 DEGREES COOLER.
MAX HUMIDITY........68-74 PERCENT.
24 HR TREND......2 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 30 MPH UNTIL 2400, THEN
DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....NORTH 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH UNTIL 2400, THEN
NORTHEAST.
MIXING HEIGHT.......2800-4800 FT AGL UNTIL 2400, THEN 400-600 FT
AGL.
SMOKE DISPERSAL.....GOOD UNTIL 2400, THEN POOR.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....60-65.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........25-31 PERCENT.
24 HR TREND......3 PERCENT DRIER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH.
RIDGE TOP WINDS.....NORTHEAST AROUND 10 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH UNTIL 1200, THEN
NORTHWEST.
MIXING HEIGHT.......1400-3400 FT AGL UNTIL 1200, THEN 5600-7600 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. WINDS
GENERALLY LESS THAN 10 MPH.
WEDNESDAY
CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER
60S. WINDS GENERALLY LESS THAN 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS AROUND 40. HIGHS IN THE LOWER 70S.
WINDS GENERALLY LESS THAN 10 MPH.
FRIDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN
THE LOWER 40S. HIGHS IN THE LOWER 70S. WINDS GENERALLY LESS THAN
10 MPH.
SATURDAY THROUGH SUNDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS
AROUND 70.
WYZ279-152200-
SWEETWATER COUNTY/ROCK SPRINGS BLM/FLAMING GORGE NRA-
INCLUDING THE CITIES OF GREEN RIVER, ROCK SPRINGS, AND WAMSUTTER
158 PM MDT SUN SEP 14 2025
THIS AFTERNOON
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....64-69.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........23-29 PERCENT.
24 HR TREND......7 PERCENT DRIER.
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.......8800-9600 FT AGL.
SMOKE DISPERSAL.....VERY GOOD TO EXCELLENT.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS EARLY IN THE
MORNING. CHANCE OF SHOWERS 20 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....43-48.
24 HR TREND......6 DEGREES WARMER.
MAX HUMIDITY........60-66 PERCENT.
24 HR TREND......26 PERCENT DRIER.
HUMIDITY RECOVERY...GOOD.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS TO
AROUND 25 MPH UNTIL 0300, THEN SOUTH WITH GUSTS
TO AROUND 15 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......3800-5800 FT AGL UNTIL 2400, THEN 400-600 FT
AGL.
SMOKE DISPERSAL.....GOOD UNTIL 2400, THEN POOR.
MONDAY
SKY/WEATHER.........PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. CHANCE OF PRECIPITATION 50
PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....65-70.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........26-32 PERCENT.
24 HR TREND......2 PERCENT WETTER.
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 35 MPH UNTIL 1500, THEN WEST AROUND 20
MPH WITH GUSTS TO AROUND 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 1200, THEN WEST
AROUND 25 MPH.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 1200, THEN WEST
AROUND 25 MPH.
MIXING HEIGHT.......1200-3200 FT AGL UNTIL 1200, THEN 5800-7800 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN VERY GOOD.
MONDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS EARLY IN THE EVENING. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT. CHANCE OF PRECIPITATION 20 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....41-46.
24 HR TREND......3 DEGREES COOLER.
MAX HUMIDITY........75-81 PERCENT.
24 HR TREND......13 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 30
MPH UNTIL 2400, THEN DOWNSLOPE/DOWNVALLEY 4-7
MPH.
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
MIXING HEIGHT.......1800-3800 FT AGL UNTIL 2400, THEN 400-600 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. CHANCE OF PRECIPITATION 20
PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....60-65.
24 HR TREND......4 DEGREES COOLER.
MIN HUMIDITY........47-53 PERCENT.
24 HR TREND......8 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500, THEN NORTH
AROUND 10 MPH. GUSTS UP TO 20 MPH.
RIDGE TOP WINDS.....NORTHEAST AROUND 10 MPH.
CHC OF WETTING RAIN.LESS THAN 5 PERCENT.
TRANSPORT WINDS.....NORTH AROUND 10 MPH.
MIXING HEIGHT.......1000-3000 FT AGL UNTIL 1200, THEN 4800-6800 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT. LOWS IN THE LOWER 40S. NORTHEAST WINDS AROUND 10 MPH.
WEDNESDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS AROUND
40. HIGHS IN THE MID 60S. WINDS GENERALLY LESS THAN 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 70S. WINDS GENERALLY LESS THAN 10 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE LOWER
70S. WINDS GENERALLY LESS THAN 10 MPH.
SATURDAY THROUGH SUNDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE
LOWER 70S.
WYZ289-152200-
GRANITE/GREEN/FERRIS/RATTLESNAKE MOUNTAINS-
INCLUDING THE CITY OF JEFFREY CITY
158 PM MDT SUN SEP 14 2025
THIS AFTERNOON
SKY/WEATHER.........PARTLY CLOUDY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....65-70.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........21-27 PERCENT.
24 HR TREND......4 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS AROUND 20 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.......8600-9400 FT AGL.
SMOKE DISPERSAL.....EXCELLENT.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS EARLY IN THE
MORNING. CHANCE OF SHOWERS 20 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....45-50.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........54-60 PERCENT.
24 HR TREND......22 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH. GUSTS UP TO 30 MPH
UNTIL 2400, THEN 15 MPH.
RIDGE TOP WINDS.....WEST AROUND 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST AROUND 15 MPH.
MIXING HEIGHT.......3600-5600 FT AGL UNTIL 2400, THEN 400-600 FT
AGL.
SMOKE DISPERSAL.....GOOD UNTIL 2400, THEN POOR.
MONDAY
SKY/WEATHER.........PARTLY CLOUDY. SCATTERED SHOWERS IN THE
MORNING. ISOLATED THUNDERSTORMS THROUGH THE
DAY. ISOLATED SHOWERS IN THE AFTERNOON. CHANCE
OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....66-71.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........22-28 PERCENT.
24 HR TREND......2 PERCENT WETTER.
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS
TO AROUND 25 MPH UNTIL 1200, THEN 20 TO 25 MPH
WITH GUSTS TO AROUND 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 1200, THEN AROUND
25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH UNTIL 1200, THEN AROUND
30 MPH.
MIXING HEIGHT.......1000-3000 FT AGL UNTIL 1200, THEN 5400-7400 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN VERY GOOD TO
EXCELLENT.
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR. ISOLATED SHOWERS AND
THUNDERSTORMS EARLY IN THE EVENING. SLIGHT
CHANCE OF SHOWERS AFTER MIDNIGHT. CHANCE OF
PRECIPITATION 20 PERCENT.
CHANCE OF THUNDER...10 PERCENT.
MIN TEMPERATURE.....41-46.
24 HR TREND......4 DEGREES COOLER.
MAX HUMIDITY........76-82 PERCENT.
24 HR TREND......21 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 35 MPH UNTIL 2400, THEN
DOWNSLOPE/DOWNVALLEY 4-7 MPH.
RIDGE TOP WINDS.....NORTHWEST 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST AROUND 15 MPH UNTIL 2400, THEN NORTH.
MIXING HEIGHT.......1600-3600 FT AGL UNTIL 2400, THEN 200-600 FT
AGL.
SMOKE DISPERSAL.....FAIR TO GOOD UNTIL 2400, THEN POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE
MORNING, THEN CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF PRECIPITATION 40 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....60-65.
24 HR TREND......6 DEGREES COOLER.
MIN HUMIDITY........38-44 PERCENT.
24 HR TREND......16 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1200, THEN NORTH
AROUND 10 MPH WITH GUSTS TO AROUND 25 MPH.
RIDGE TOP WINDS.....NORTH 10 TO 15 MPH.
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200, THEN 10 PERCENT.
TRANSPORT WINDS.....NORTH 10 TO 15 MPH.
MIXING HEIGHT.......800-2800 FT AGL UNTIL 1200, THEN 4400-6400 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF
SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 40S. NORTH WINDS AROUND
10 MPH.
WEDNESDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE MID 60S. WINDS
GENERALLY LESS THAN 10 MPH.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. LOWS 41 TO 46. HIGHS
68 TO 73. WINDS GENERALLY LESS THAN 10 MPH.
SATURDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE LOWER 70S.
SUNDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S.
WYZ300-152200-
CASPER MOUNTAIN-
158 PM MDT SUN SEP 14 2025
THIS AFTERNOON
SKY/WEATHER.........MOSTLY SUNNY.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....65-70.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........24-30 PERCENT.
24 HR TREND......4 PERCENT DRIER.
20-FOOT WINDS.......WEST WINDS AROUND 20 MPH WITH GUSTS TO AROUND
30 MPH.
RIDGE TOP WINDS.....WEST AROUND 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST AROUND 25 MPH.
MIXING HEIGHT.......8600-9400 FT AGL.
SMOKE DISPERSAL.....EXCELLENT.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....47-52.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........51-57 PERCENT.
24 HR TREND......31 PERCENT DRIER.
HUMIDITY RECOVERY...MODERATE.
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH UNTIL 2400, THEN
SOUTH. GUSTS UP TO 25 MPH.
RIDGE TOP WINDS.....WEST AROUND 15 MPH UNTIL 2400, THEN SOUTH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....WEST AROUND 15 MPH.
MIXING HEIGHT.......3400-5400 FT AGL UNTIL 2400, THEN 200-400 FT
AGL.
SMOKE DISPERSAL.....GOOD UNTIL 2400, THEN POOR.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
ISOLATED SHOWERS AND THUNDERSTORMS LATE IN THE
AFTERNOON. CHANCE OF PRECIPITATION 20 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....67-72.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........24-30 PERCENT.
24 HR TREND......1 PERCENT DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 35 MPH UNTIL 1500, THEN WEST AROUND 20
MPH WITH GUSTS TO AROUND 35 MPH.
RIDGE TOP WINDS.....SOUTHWEST 20 TO 25 MPH.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH.
MIXING HEIGHT.......1400-3400 FT AGL UNTIL 1200, THEN 6400-8400 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 1200, THEN EXCELLENT.
MONDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS EARLY IN THE EVENING. SLIGHT
CHANCE OF SHOWERS AFTER MIDNIGHT. CHANCE OF
PRECIPITATION 30 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MIN TEMPERATURE.....41-46.
24 HR TREND......3 DEGREES COOLER.
MAX HUMIDITY........77-83 PERCENT.
24 HR TREND......24 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......WEST WINDS AROUND 15 MPH WITH GUSTS TO AROUND
25 MPH UNTIL 2100, THEN DOWNSLOPE/DOWNVALLEY
4-7 MPH.
RIDGE TOP WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 2400, THEN EAST.
CHC OF WETTING RAIN.ZERO PERCENT.
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 2400, THEN SOUTH.
MIXING HEIGHT.......1400-3400 FT AGL UNTIL 2400, THEN 200-400 FT
AGL.
SMOKE DISPERSAL.....POOR TO FAIR UNTIL 2400, THEN POOR.
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF PRECIPITATION 50 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....59-64.
24 HR TREND......8 DEGREES COOLER.
MIN HUMIDITY........51-57 PERCENT.
24 HR TREND......20 PERCENT WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-9 MPH UNTIL 1500, THEN NORTH
AROUND 10 MPH WITH HIGHER GUSTS.
RIDGE TOP WINDS.....NORTH AROUND 10 MPH.
CHC OF WETTING RAIN.ZERO PERCENT UNTIL 1200, THEN 25 PERCENT.
TRANSPORT WINDS.....WEST AROUND 10 MPH.
MIXING HEIGHT.......400-2400 FT AGL UNTIL 1200, THEN 3400-5400 FT
AGL.
SMOKE DISPERSAL.....POOR.
FORECAST DAYS 3 THROUGH 7...
TUESDAY THROUGH WEDNESDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS 41 TO 46. HIGHS IN THE
UPPER 50S. WINDS GENERALLY LESS THAN 10 MPH.
THURSDAY THROUGH FRIDAY
MOSTLY CLEAR. LOWS 41 TO 46. HIGHS
64 TO 69. WINDS GENERALLY LESS THAN 10 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 60S.
SUNDAY
MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S.
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