246  
FPUS55 KRIW 151440  
ZFPRIW  
 
ZONE FORECAST PRODUCT FOR WESTERN AND CENTRAL WYOMING  
NATIONAL WEATHER SERVICE RIVERTON WY  
838 AM MDT MON SEP 15 2025  
 
WYZ020-152200-  
NATRONA COUNTY LOWER ELEVATIONS-  
INCLUDING THE CITY OF CASPER  
838 AM MDT MON SEP 15 2025  
   
TODAY
 
PARTLY CLOUDY THIS MORNING, THEN CLEARING. BREEZY WITH  
HIGHS IN THE MID 70S. SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS UP  
TO 35 MPH.    
TONIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS IN THE LOWER 40S. NORTH  
WINDS 15 TO 20 MPH WITH GUSTS UP TO 35 MPH, DIMINISHING TO AROUND  
10 MPH AFTER MIDNIGHT.    
TUESDAY
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS IN THE MORNING,  
THEN PARTLY CLOUDY WITH NUMEROUS SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S. NORTH  
WINDS 10 TO 15 MPH. CHANCE OF RAIN 60 PERCENT.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN NUMEROUS SHOWERS AFTER  
MIDNIGHT. LOWS IN THE UPPER 40S. NORTH WINDS 10 TO 15 MPH. CHANCE  
OF RAIN 60 PERCENT.    
WEDNESDAY
 
MOSTLY CLOUDY WITH NUMEROUS SHOWERS. ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 60S. NORTH  
WINDS AROUND 10 MPH WITH GUSTS UP TO 25 MPH. CHANCE OF RAIN  
60 PERCENT.    
WEDNESDAY NIGHT
 
ISOLATED THUNDERSTORMS IN THE EVENING. PARTLY  
CLOUDY WITH ISOLATED SHOWERS. LOWS IN THE LOWER 40S. CHANCE OF  
RAIN 20 PERCENT.    
THURSDAY
 
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 60S. CHANCE OF RAIN 20 PERCENT.   
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.    
FRIDAY
 
SUNNY. HIGHS IN THE LOWER 70S.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.  
 

 
 
WYZ017-152200-  
WIND RIVER BASIN-  
INCLUDING THE CITIES OF RIVERTON AND SHOSHONI  
838 AM MDT MON SEP 15 2025  
   
TODAY
 
MOSTLY CLOUDY WITH NUMEROUS SHOWERS WITH ISOLATED  
THUNDERSTORMS THIS MORNING, THEN MOSTLY SUNNY WITH SCATTERED  
SHOWERS AND THUNDERSTORMS THIS AFTERNOON. BREEZY WITH HIGHS IN  
THE LOWER 70S. WEST WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.  
CHANCE OF RAIN 60 PERCENT.    
TONIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. ISOLATED  
SHOWERS. LOWS IN THE MID 40S. NORTHWEST WINDS 10 TO 15 MPH. GUSTS  
UP TO 30 MPH IN THE EVENING. CHANCE OF RAIN 20 PERCENT.    
TUESDAY
 
PARTLY CLOUDY WITH SCATTERED SHOWERS. ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S. NORTH  
WINDS AROUND 10 MPH, BECOMING NORTHEAST WITH GUSTS UP TO 20 MPH  
IN THE AFTERNOON. CHANCE OF RAIN 30 PERCENT.    
TUESDAY NIGHT
 
ISOLATED THUNDERSTORMS IN THE EVENING. PARTLY  
CLOUDY WITH SCATTERED SHOWERS. LOWS IN THE MID 40S. NORTH WINDS  
10 TO 15 MPH. CHANCE OF RAIN 30 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY WITH SCATTERED SHOWERS. ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S. NORTHWEST  
WINDS AROUND 10 MPH, BECOMING NORTH WITH GUSTS UP TO 20 MPH IN  
THE AFTERNOON. CHANCE OF RAIN 30 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE MID 40S.    
THURSDAY
 
SUNNY. HIGHS AROUND 70.    
THURSDAY NIGHT
 
CLEAR. LOWS IN THE MID 40S.    
FRIDAY
 
SUNNY. HIGHS IN THE MID 70S.    
FRIDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE UPPER 40S.    
SATURDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS  
AROUND 80.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.  
 

 
 
WYZ018-152200-  
LANDER FOOTHILLS-  
INCLUDING THE CITY OF LANDER  
838 AM MDT MON SEP 15 2025  
   
TODAY
 
MOSTLY CLOUDY THIS MORNING, THEN CLEARING. ISOLATED  
THUNDERSTORMS. NUMEROUS SHOWERS, MAINLY THIS MORNING. BREEZY WITH  
HIGHS AROUND 70. SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS UP TO  
30 MPH. CHANCE OF RAIN 60 PERCENT.    
TONIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS IN  
THE MID 40S. NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH  
IN THE EVENING.    
TUESDAY
 
PARTLY CLOUDY WITH SCATTERED SHOWERS. ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S. NORTHWEST  
WINDS AROUND 10 MPH, BECOMING NORTHEAST WITH GUSTS UP TO 20 MPH  
IN THE AFTERNOON. CHANCE OF RAIN 40 PERCENT.    
TUESDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. ISOLATED THUNDERSTORMS IN THE EVENING. SCATTERED  
SHOWERS. LOWS IN THE MID 40S. NORTH WINDS AROUND 10 MPH WITH  
GUSTS UP TO 20 MPH, BECOMING NORTHWEST AFTER MIDNIGHT. CHANCE OF  
RAIN 30 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING.  
SCATTERED SHOWERS. ISOLATED THUNDERSTORMS IN THE AFTERNOON. HIGHS  
IN THE MID 60S. NORTHEAST WINDS AROUND 10 MPH WITH GUSTS UP TO  
20 MPH IN THE AFTERNOON. CHANCE OF RAIN 30 PERCENT.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.    
THURSDAY
 
SUNNY. HIGHS IN THE LOWER 70S.    
THURSDAY NIGHT
 
CLEAR. LOWS IN THE MID 40S.    
FRIDAY
 
SUNNY. HIGHS IN THE MID 70S.    
FRIDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE UPPER 40S.    
SATURDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN  
THE UPPER 70S.    
SATURDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS AROUND 50.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.  
 

 
 
WYZ028-152200-  
ROCK SPRINGS AND GREEN RIVER-  
INCLUDING THE CITIES OF ROCK SPRINGS AND GREEN RIVER  
838 AM MDT MON SEP 15 2025  
   
TODAY
 
PARTLY CLOUDY THIS MORNING, THEN CLEARING. SCATTERED  
SHOWERS WITH ISOLATED THUNDERSTORMS. BREEZY WITH HIGHS IN THE  
LOWER 70S. SOUTH WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH,  
BECOMING WEST 15 TO 20 MPH WITH GUSTS UP TO 30 MPH THIS  
AFTERNOON. CHANCE OF RAIN 30 PERCENT.    
TONIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY WITH  
SCATTERED SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. BREEZY WITH  
LOWS IN THE LOWER 40S. NORTHWEST WINDS 15 TO 20 MPH WITH GUSTS UP  
TO 30 MPH IN THE EVENING. CHANCE OF RAIN 30 PERCENT.    
TUESDAY
 
PARTLY CLOUDY WITH SCATTERED SHOWERS. ISOLATED  
THUNDERSTORMS IN THE MORNING, THEN SCATTERED THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE UPPER 60S. NORTHEAST WINDS AROUND 10 MPH  
IN THE AFTERNOON. CHANCE OF RAIN 30 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE LOWER 40S. NORTHEAST WINDS 10 TO 15 MPH WITH GUSTS UP  
TO 25 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS  
AROUND 10 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40.    
THURSDAY
 
SUNNY. HIGHS AROUND 70.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 70S.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 40S.    
SATURDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN  
THE MID 70S.    
SATURDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE MID 40S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 70S.  
 

 
 
WYZ013-152200-  
JACKSON HOLE-  
INCLUDING THE CITY OF JACKSON  
838 AM MDT MON SEP 15 2025  
   
TODAY
 
MOSTLY CLOUDY THIS MORNING, THEN BECOMING PARTLY CLOUDY.  
SCATTERED THUNDERSTORMS. NUMEROUS SHOWERS, MAINLY THIS MORNING.  
HIGHS IN THE LOWER 60S. SOUTH WINDS AROUND 10 MPH, BECOMING  
SOUTHWEST THIS AFTERNOON. CHANCE OF RAIN 60 PERCENT.    
TONIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS IN  
THE MID 30S. NORTHWEST WINDS AROUND 10 MPH WITH GUSTS UP TO  
20 MPH IN THE EVENING.    
TUESDAY
 
PARTLY CLOUDY. HIGHS IN THE MID 60S.    
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. NORTHEAST  
WINDS AROUND 10 MPH.    
WEDNESDAY
 
SUNNY. HIGHS IN THE UPPER 60S.    
WEDNESDAY NIGHT
 
CLEAR. LOWS IN THE MID 30S.    
THURSDAY
 
SUNNY. HIGHS IN THE LOWER 70S.    
THURSDAY NIGHT
 
CLEAR. LOWS IN THE UPPER 30S.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 40.    
SATURDAY
 
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH  
ISOLATED SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE  
LOWER 70S. CHANCE OF RAIN 20 PERCENT.    
SATURDAY NIGHT
 
ISOLATED THUNDERSTORMS IN THE EVENING. MOSTLY  
CLEAR WITH ISOLATED SHOWERS. LOWS AROUND 40. CHANCE OF RAIN  
20 PERCENT.    
SUNDAY
 
MOSTLY SUNNY WITH ISOLATED SHOWERS IN THE MORNING, THEN  
PARTLY CLOUDY WITH SCATTERED SHOWERS WITH ISOLATED THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE LOWER 70S. CHANCE OF RAIN  
30 PERCENT.  
 

 
 
WYZ003-152200-  
CODY FOOTHILLS-  
INCLUDING THE CITIES OF CLARK, CODY, AND MEETEETSE  
838 AM MDT MON SEP 15 2025  
   
TODAY
 
MOSTLY CLOUDY. NUMEROUS SHOWERS WITH ISOLATED  
THUNDERSTORMS THIS MORNING, THEN SHOWERS AND SCATTERED  
THUNDERSTORMS THIS AFTERNOON. HIGHS IN THE MID 60S. SOUTHWEST  
WINDS 10 TO 15 MPH WITH GUSTS UP TO 30 MPH, BECOMING NORTHWEST  
WITH GUSTS UP TO 20 MPH THIS AFTERNOON. CHANCE OF RAIN  
80 PERCENT.    
TONIGHT
 
ISOLATED THUNDERSTORMS IN THE EVENING. PARTLY CLOUDY  
WITH SCATTERED SHOWERS. LOWS IN THE MID 40S. NORTHWEST WINDS  
10 TO 15 MPH. CHANCE OF RAIN 40 PERCENT.    
TUESDAY
 
PARTLY CLOUDY WITH NUMEROUS SHOWERS. SCATTERED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 60S. NORTHWEST  
WINDS AROUND 10 MPH, BECOMING NORTHEAST IN THE AFTERNOON. CHANCE  
OF RAIN 60 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY. SCATTERED SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S. NORTH WINDS  
10 TO 15 MPH, BECOMING WEST AFTER MIDNIGHT. CHANCE OF RAIN  
30 PERCENT.    
WEDNESDAY
 
MOSTLY SUNNY. SCATTERED SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 60S. NORTHWEST  
WINDS AROUND 10 MPH, BECOMING NORTHEAST WITH GUSTS UP TO 20 MPH  
IN THE AFTERNOON. CHANCE OF RAIN 30 PERCENT.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S.    
THURSDAY
 
SUNNY. HIGHS IN THE UPPER 60S.    
THURSDAY NIGHT
 
CLEAR. LOWS IN THE MID 40S.    
FRIDAY
 
SUNNY. HIGHS IN THE LOWER 70S.    
FRIDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. LOWS AROUND 50.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 70S.    
SATURDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS AROUND 50.    
SUNDAY
 
MOSTLY SUNNY. SCATTERED SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S. CHANCE OF  
RAIN 30 PERCENT.  
 

 
 
WYZ004-152200-  
NORTH BIGHORN BASIN-  
INCLUDING THE CITIES OF BASIN, GREYBULL, LOVELL, POWELL,  
AND SHELL  
838 AM MDT MON SEP 15 2025  
   
TODAY
 
PARTLY CLOUDY WITH NUMEROUS SHOWERS. ISOLATED  
THUNDERSTORMS THIS MORNING, THEN SCATTERED THUNDERSTORMS THIS  
AFTERNOON. HIGHS IN THE LOWER 70S. SOUTH WINDS AROUND 10 MPH,  
BECOMING NORTH WITH GUSTS UP TO 25 MPH THIS AFTERNOON. CHANCE OF  
RAIN 60 PERCENT.    
TONIGHT
 
PARTLY CLOUDY WITH NUMEROUS SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR WITH SCATTERED  
SHOWERS AFTER MIDNIGHT. LOWS AROUND 50. NORTHWEST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 25 MPH. CHANCE OF RAIN 60 PERCENT.    
TUESDAY
 
PARTLY CLOUDY WITH NUMEROUS SHOWERS. ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 70. NORTHWEST WINDS  
10 TO 15 MPH. CHANCE OF RAIN 60 PERCENT.    
TUESDAY NIGHT
 
ISOLATED THUNDERSTORMS IN THE EVENING. PARTLY  
CLOUDY WITH SCATTERED SHOWERS. LOWS AROUND 50. NORTH WINDS 10 TO  
15 MPH WITH GUSTS UP TO 25 MPH. CHANCE OF RAIN 30 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING.  
SCATTERED SHOWERS. ISOLATED THUNDERSTORMS IN THE AFTERNOON. HIGHS  
IN THE LOWER 70S. NORTHWEST WINDS AROUND 10 MPH. CHANCE OF RAIN  
30 PERCENT.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 70S.    
THURSDAY NIGHT
 
CLEAR. LOWS IN THE MID 40S.    
FRIDAY
 
SUNNY. HIGHS IN THE MID 70S.    
FRIDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. LOWS AROUND 50.    
SATURDAY
 
MOSTLY SUNNY. HIGHS AROUND 80.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 50.    
SUNDAY
 
MOSTLY SUNNY. HIGHS AROUND 80.  
 

 
 
WYZ006-152200-  
SOUTHEAST BIGHORN BASIN-  
INCLUDING THE CITIES OF TEN SLEEP AND WORLAND  
838 AM MDT MON SEP 15 2025  
   
TODAY
 
PARTLY CLOUDY. NUMEROUS SHOWERS WITH ISOLATED  
THUNDERSTORMS THIS MORNING, THEN SCATTERED SHOWERS AND  
THUNDERSTORMS THIS AFTERNOON. HIGHS IN THE LOWER 70S. SOUTH WINDS  
AROUND 10 MPH, BECOMING NORTHWEST WITH GUSTS UP TO 25 MPH THIS  
AFTERNOON. CHANCE OF RAIN 60 PERCENT.    
TONIGHT
 
ISOLATED THUNDERSTORMS IN THE EVENING. MOSTLY CLEAR  
WITH SCATTERED SHOWERS. SOME THUNDERSTORMS MAY BE SEVERE. LOWS IN  
THE UPPER 40S. NORTHWEST WINDS 10 TO 15 MPH, BECOMING SOUTHWEST  
AFTER MIDNIGHT. CHANCE OF RAIN 40 PERCENT.    
TUESDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. SCATTERED  
SHOWERS. ISOLATED THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE  
UPPER 60S. WEST WINDS AROUND 10 MPH, BECOMING NORTHWEST WITH  
GUSTS UP TO 20 MPH IN THE AFTERNOON. CHANCE OF RAIN 40 PERCENT.    
TUESDAY NIGHT
 
ISOLATED THUNDERSTORMS IN THE EVENING. PARTLY  
CLOUDY WITH SCATTERED SHOWERS. LOWS AROUND 50. NORTH WINDS AROUND  
10 MPH WITH GUSTS UP TO 20 MPH, BECOMING WEST AFTER MIDNIGHT.  
CHANCE OF RAIN 30 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY WITH SCATTERED SHOWERS. ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 70. NORTH WINDS  
AROUND 10 MPH IN THE AFTERNOON. CHANCE OF RAIN 30 PERCENT.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 70S.    
THURSDAY NIGHT
 
CLEAR. LOWS IN THE MID 40S.    
FRIDAY
 
SUNNY. HIGHS IN THE MID 70S.    
FRIDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE UPPER 40S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS AROUND 80.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.  
 

 
 
WYZ005-152200-  
SOUTHWEST BIGHORN BASIN-  
INCLUDING THE CITY OF THERMOPOLIS  
838 AM MDT MON SEP 15 2025  
   
TODAY
 
MOSTLY CLOUDY THIS MORNING, THEN BECOMING PARTLY CLOUDY.  
NUMEROUS SHOWERS. ISOLATED THUNDERSTORMS THIS MORNING, THEN  
SCATTERED THUNDERSTORMS THIS AFTERNOON. BREEZY WITH HIGHS AROUND  
70. SOUTH WINDS 15 TO 20 MPH WITH GUSTS UP TO 35 MPH, BECOMING  
NORTHWEST 10 TO 15 MPH THIS AFTERNOON. CHANCE OF RAIN 60 PERCENT.   
TONIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. ISOLATED  
THUNDERSTORMS IN THE EVENING. SCATTERED SHOWERS. LOWS IN THE MID  
40S. NORTHWEST WINDS 10 TO 15 MPH, BECOMING WEST AFTER MIDNIGHT.  
CHANCE OF RAIN 30 PERCENT.    
TUESDAY
 
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. SCATTERED SHOWERS. ISOLATED THUNDERSTORMS IN THE  
AFTERNOON. HIGHS AROUND 70. NORTHWEST WINDS AROUND 10 MPH,  
BECOMING NORTH WITH GUSTS UP TO 20 MPH IN THE AFTERNOON. CHANCE  
OF RAIN 40 PERCENT.    
TUESDAY NIGHT
 
ISOLATED THUNDERSTORMS IN THE EVENING. PARTLY  
CLOUDY WITH SCATTERED SHOWERS. LOWS AROUND 50. NORTH WINDS AROUND  
10 MPH WITH GUSTS UP TO 20 MPH, BECOMING NORTHWEST AFTER  
MIDNIGHT. CHANCE OF RAIN 30 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY WITH SCATTERED SHOWERS. ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 70. NORTH WINDS  
AROUND 10 MPH. CHANCE OF RAIN 30 PERCENT.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S.    
THURSDAY
 
SUNNY. HIGHS IN THE LOWER 70S.    
THURSDAY NIGHT
 
CLEAR. LOWS IN THE MID 40S.    
FRIDAY
 
SUNNY. HIGHS IN THE MID 70S.    
FRIDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE UPPER 40S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS AROUND 80.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 50.    
SUNDAY
 
MOSTLY SUNNY. HIGHS AROUND 80.  
 

 
 
WYZ023-152200-  
STAR VALLEY-  
INCLUDING THE CITIES OF AFTON, ALPINE, STAR VALLEY RANCH,  
AND THAYNE  
838 AM MDT MON SEP 15 2025  
   
TODAY
 
PARTLY CLOUDY WITH SCATTERED THUNDERSTORMS. NUMEROUS  
SHOWERS, MAINLY THIS MORNING. HIGHS IN THE LOWER 60S. WEST WINDS  
AROUND 10 MPH THIS AFTERNOON. GUSTS UP TO 25 MPH. CHANCE OF RAIN  
60 PERCENT.    
TONIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. NORTHWEST WINDS  
AROUND 10 MPH IN THE EVENING.    
TUESDAY
 
MOSTLY SUNNY. HIGHS AROUND 70.    
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS AROUND 70.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 70S.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 70S.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S.    
SATURDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE MID 70S. CHANCE OF RAIN 20 PERCENT.    
SATURDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
ISOLATED THUNDERSTORMS IN THE EVENING. ISOLATED SHOWERS. LOWS IN  
THE LOWER 40S. CHANCE OF RAIN 20 PERCENT.    
SUNDAY
 
MOSTLY SUNNY WITH ISOLATED SHOWERS IN THE MORNING, THEN  
PARTLY CLOUDY WITH SCATTERED SHOWERS WITH ISOLATED THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE MID 70S. CHANCE OF RAIN  
30 PERCENT.  
 

 
 
WYZ025-152200-  
UPPER GREEN RIVER BASIN FOOTHILLS-  
INCLUDING THE CITY OF PINEDALE  
838 AM MDT MON SEP 15 2025  
   
TODAY
 
PARTLY CLOUDY WITH SCATTERED THUNDERSTORMS. NUMEROUS  
RAIN SHOWERS, MAINLY THIS MORNING. HIGHS AROUND 60. SOUTH WINDS  
AROUND 10 MPH, BECOMING WEST WITH GUSTS UP TO 25 MPH THIS  
AFTERNOON. CHANCE OF RAIN 60 PERCENT.    
TONIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. NORTHWEST WINDS  
10 TO 15 MPH IN THE EVENING.    
TUESDAY
 
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH  
SCATTERED RAIN SHOWERS WITH ISOLATED THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS AROUND 10 MPH  
IN THE AFTERNOON. CHANCE OF RAIN 30 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE MID 30S. NORTHEAST WINDS AROUND 10 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 60S. WEST WINDS  
AROUND 10 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE MID 30S.    
THURSDAY
 
SUNNY. HIGHS AROUND 70.    
THURSDAY NIGHT
 
CLEAR. LOWS IN THE MID 30S.    
FRIDAY
 
MOSTLY SUNNY. HIGHS AROUND 70.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S.    
SATURDAY
 
PARTLY CLOUDY. HIGHS AROUND 70.    
SATURDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE UPPER 30S.    
SUNDAY
 
MOSTLY SUNNY. SCATTERED RAIN SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 70. CHANCE OF RAIN  
30 PERCENT.  
 

 
 
WYZ026-152200-  
UPPER GREEN RIVER BASIN-  
INCLUDING THE CITIES OF LA BARGE, BIG PINEY, AND FARSON  
838 AM MDT MON SEP 15 2025  
   
TODAY
 
PARTLY CLOUDY WITH NUMEROUS RAIN SHOWERS WITH ISOLATED  
THUNDERSTORMS THIS MORNING, THEN MOSTLY SUNNY WITH SCATTERED RAIN  
SHOWERS AND THUNDERSTORMS THIS AFTERNOON. BREEZY WITH HIGHS IN  
THE UPPER 60S. NORTH WINDS AROUND 10 MPH, BECOMING WEST 15 TO  
20 MPH THIS AFTERNOON. CHANCE OF RAIN 60 PERCENT.    
TONIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE UPPER 30S. NORTH WINDS 10 TO 15 MPH. GUSTS UP  
TO 30 MPH IN THE EVENING.    
TUESDAY
 
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH  
SCATTERED RAIN SHOWERS WITH ISOLATED THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE MID 60S. NORTHEAST WINDS AROUND 10 MPH,  
BECOMING EAST WITH GUSTS UP TO 20 MPH IN THE AFTERNOON. CHANCE OF  
RAIN 30 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS AROUND 40. NORTHEAST WINDS AROUND 10 MPH WITH GUSTS UP TO  
25 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTH WINDS  
AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S.    
THURSDAY
 
SUNNY. HIGHS AROUND 70.    
THURSDAY NIGHT
 
CLEAR. LOWS IN THE UPPER 30S.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S.    
SATURDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN  
THE MID 70S.    
SATURDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE LOWER 40S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.  
 

 
 
WYZ010-152200-  
NORTHEAST JOHNSON COUNTY-  
INCLUDING THE CITY OF BUFFALO  
838 AM MDT MON SEP 15 2025  
   
TODAY
 
MOSTLY SUNNY THIS MORNING, THEN PARTLY CLOUDY WITH  
SCATTERED SHOWERS AND THUNDERSTORMS THIS AFTERNOON. HIGHS IN THE  
MID 70S. NORTHWEST WINDS 10 TO 15 MPH. CHANCE OF RAIN 30 PERCENT.   
TONIGHT
 
ISOLATED THUNDERSTORMS IN THE EVENING. PARTLY CLOUDY  
WITH SCATTERED SHOWERS. SOME THUNDERSTORMS MAY BE SEVERE. LOWS  
AROUND 50. NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.  
CHANCE OF RAIN 30 PERCENT.    
TUESDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS IN THE MORNING, THEN  
NUMEROUS SHOWERS WITH ISOLATED THUNDERSTORMS IN THE AFTERNOON.  
HIGHS AROUND 70. NORTH WINDS 10 TO 15 MPH WITH GUSTS UP TO  
25 MPH. CHANCE OF RAIN 60 PERCENT.    
TUESDAY NIGHT
 
ISOLATED THUNDERSTORMS IN THE EVENING. MOSTLY  
CLOUDY WITH SCATTERED SHOWERS. LOWS AROUND 50. NORTHWEST WINDS  
10 TO 15 MPH. CHANCE OF RAIN 40 PERCENT.    
WEDNESDAY
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS. ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 60S. NORTH WINDS  
10 TO 15 MPH WITH GUSTS UP TO 25 MPH. CHANCE OF RAIN 50 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE MID 40S.    
THURSDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S.    
FRIDAY
 
SUNNY. HIGHS IN THE MID 70S.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 50.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 50.    
SUNDAY
 
MOSTLY SUNNY. HIGHS AROUND 80.  
 

 
 
WYZ011-152200-  
SOUTHEAST JOHNSON COUNTY-  
INCLUDING THE CITY OF KAYCEE  
838 AM MDT MON SEP 15 2025  
   
TODAY
 
MOSTLY SUNNY THIS MORNING, THEN PARTLY CLOUDY WITH  
SCATTERED SHOWERS WITH ISOLATED THUNDERSTORMS THIS AFTERNOON.  
SOME THUNDERSTORMS MAY BE SEVERE. HIGHS IN THE MID 70S. WEST  
WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH. CHANCE OF RAIN  
30 PERCENT.    
TONIGHT
 
PARTLY CLOUDY. SCATTERED SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE EVENING. SOME THUNDERSTORMS MAY BE SEVERE.  
LOWS IN THE UPPER 40S. NORTHWEST WINDS 10 TO 15 MPH. CHANCE OF  
RAIN 30 PERCENT.    
TUESDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS IN THE MORNING, THEN  
NUMEROUS SHOWERS WITH ISOLATED THUNDERSTORMS IN THE AFTERNOON.  
HIGHS AROUND 70. NORTH WINDS AROUND 10 MPH. CHANCE OF RAIN  
60 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. ISOLATED THUNDERSTORMS IN THE EVENING. SCATTERED  
SHOWERS. LOWS IN THE UPPER 40S. NORTH WINDS 10 TO 15 MPH. CHANCE  
OF RAIN 40 PERCENT.    
WEDNESDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS IN THE MORNING,  
THEN NUMEROUS SHOWERS WITH ISOLATED THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE MID 60S. NORTH WINDS 10 TO 15 MPH. CHANCE  
OF RAIN 60 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY. ISOLATED SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 40S. CHANCE OF RAIN  
20 PERCENT.    
THURSDAY
 
MOSTLY SUNNY. HIGHS AROUND 70.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S.    
FRIDAY
 
SUNNY. HIGHS IN THE LOWER 70S.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS AROUND 80.  
 

 
 
WYZ027-152200-  
SOUTH LINCOLN COUNTY-  
INCLUDING THE CITIES OF KEMMERER AND COKEVILLE  
838 AM MDT MON SEP 15 2025  
   
TODAY
 
PARTLY CLOUDY THIS MORNING, THEN CLEARING. SCATTERED  
SHOWERS THIS MORNING. ISOLATED THUNDERSTORMS. BREEZY WITH HIGHS  
AROUND 70. SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH,  
BECOMING WEST 15 TO 20 MPH WITH GUSTS UP TO 30 MPH THIS  
AFTERNOON. CHANCE OF RAIN 30 PERCENT.    
TONIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. BREEZY WITH LOWS AROUND 40. NORTHWEST WINDS 15 TO 20 MPH  
WITH GUSTS UP TO 30 MPH, BECOMING NORTH AROUND 10 MPH AFTER  
MIDNIGHT.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS  
AROUND 10 MPH.    
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40. NORTHEAST WINDS  
AROUND 10 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 60S. EAST WINDS  
AROUND 10 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40.    
THURSDAY
 
SUNNY. HIGHS IN THE LOWER 70S.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 70S.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S.    
SATURDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN  
THE MID 70S.    
SATURDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE LOWER 40S.    
SUNDAY
 
MOSTLY SUNNY WITH ISOLATED SHOWERS. ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S. CHANCE OF  
RAIN 20 PERCENT.  
 

 
 
WYZ016-152200-  
UPPER WIND RIVER BASIN-  
INCLUDING THE CITY OF DUBOIS  
838 AM MDT MON SEP 15 2025  
   
TODAY
 
NUMEROUS SHOWERS. ISOLATED THUNDERSTORMS THIS MORNING,  
THEN SCATTERED THUNDERSTORMS THIS AFTERNOON. BREEZY WITH HIGHS  
AROUND 60. WEST WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.  
CHANCE OF RAIN 70 PERCENT.    
TONIGHT
 
MOSTLY CLEAR WITH ISOLATED RAIN SHOWERS. BREEZY WITH  
LOWS IN THE LOWER 40S. NORTHWEST WINDS 15 TO 20 MPH, DIMINISHING  
TO AROUND 10 MPH AFTER MIDNIGHT. CHANCE OF RAIN 20 PERCENT.    
TUESDAY
 
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. SCATTERED RAIN SHOWERS. ISOLATED THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE LOWER 60S. NORTH WINDS AROUND 10 MPH,  
BECOMING EAST WITH GUSTS UP TO 20 MPH IN THE AFTERNOON. CHANCE OF  
RAIN 40 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS WITH  
ISOLATED THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 40S.  
NORTHEAST WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH, BECOMING  
NORTHWEST AFTER MIDNIGHT. CHANCE OF RAIN 30 PERCENT.    
WEDNESDAY
 
MOSTLY SUNNY WITH ISOLATED RAIN SHOWERS. ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 60S. NORTH  
WINDS AROUND 10 MPH, BECOMING EAST WITH GUSTS UP TO 25 MPH IN THE  
AFTERNOON. CHANCE OF RAIN 20 PERCENT.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40.    
THURSDAY
 
SUNNY. HIGHS AROUND 70.    
THURSDAY NIGHT
 
CLEAR. LOWS AROUND 40.    
FRIDAY
 
SUNNY. HIGHS AROUND 70.    
FRIDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE MID 40S.    
SATURDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN  
THE LOWER 70S.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S.    
SUNDAY
 
MOSTLY SUNNY. SCATTERED SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 70. CHANCE OF RAIN  
30 PERCENT.  
 

 
 
WYZ001-152200-  
YELLOWSTONE NATIONAL PARK-  
INCLUDING THE CITIES OF LAKE, MAMMOTH, AND OLD FAITHFUL  
838 AM MDT MON SEP 15 2025  
   
TODAY
 
RAIN SHOWERS WITH ISOLATED THUNDERSTORMS THIS MORNING,  
THEN NUMEROUS RAIN SHOWERS AND SCATTERED THUNDERSTORMS THIS  
AFTERNOON. HIGHS IN THE MID 50S. SOUTHWEST WINDS 10 TO 15 MPH  
WITH GUSTS UP TO 25 MPH. CHANCE OF RAIN 80 PERCENT.    
TONIGHT
 
ISOLATED THUNDERSTORMS IN THE EVENING. PARTLY CLOUDY  
WITH SCATTERED RAIN SHOWERS. LOWS IN THE LOWER 30S. NORTHWEST  
WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN THE EVENING.  
CHANCE OF RAIN 30 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. SCATTERED RAIN SHOWERS. ISOLATED THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE UPPER 50S. NORTH WINDS AROUND 10 MPH WITH  
GUSTS UP TO 20 MPH IN THE AFTERNOON. CHANCE OF RAIN 30 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE MID 30S. NORTHEAST WINDS AROUND 10 MPH WITH GUSTS UP  
TO 20 MPH IN THE EVENING.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS  
AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 60S.    
THURSDAY NIGHT
 
CLEAR. LOWS IN THE MID 30S.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 60S.    
SATURDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE UPPER 30S.    
SUNDAY
 
MOSTLY SUNNY. SCATTERED RAIN SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 60S. CHANCE OF  
RAIN 30 PERCENT.  
 

 
 
WYZ029-152200-  
FLAMING GORGE-  
838 AM MDT MON SEP 15 2025  
   
TODAY
 
PARTLY CLOUDY WITH SCATTERED SHOWERS. ISOLATED  
THUNDERSTORMS THIS AFTERNOON. HIGHS IN THE LOWER 70S. SOUTHEAST  
WINDS AROUND 10 MPH, BECOMING WEST THIS AFTERNOON. CHANCE OF RAIN  
30 PERCENT.    
TONIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY WITH  
SCATTERED SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE  
MID 40S. NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH IN  
THE EVENING. CHANCE OF RAIN 40 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. SCATTERED SHOWERS. ISOLATED THUNDERSTORMS IN THE MORNING,  
THEN SCATTERED THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER  
60S. NORTHEAST WINDS AROUND 10 MPH, BECOMING NORTHWEST IN THE  
AFTERNOON. CHANCE OF RAIN 30 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE LOWER 40S. NORTHEAST WINDS 10 TO 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS  
IN THE LOWER 60S. NORTHEAST WINDS AROUND 10 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.    
THURSDAY
 
SUNNY. HIGHS IN THE UPPER 60S.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.    
FRIDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE UPPER 40S.    
SATURDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN  
THE MID 70S.    
SATURDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE UPPER 40S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.  
 

 
 
WYZ022-152200-  
CASPER MOUNTAIN-  
838 AM MDT MON SEP 15 2025  
   
TODAY
 
MOSTLY SUNNY THIS MORNING, THEN BECOMING PARTLY CLOUDY.  
BREEZY WITH HIGHS IN THE UPPER 60S. SOUTHWEST WINDS 15 TO 20 MPH.  
GUSTS UP TO 35 MPH THIS AFTERNOON.    
TONIGHT
 
PARTLY CLOUDY. SCATTERED SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE EVENING. SOME THUNDERSTORMS MAY BE SEVERE.  
LOWS IN THE MID 40S. WEST WINDS 10 TO 15 MPH WITH GUSTS UP TO  
30 MPH IN THE EVENING. CHANCE OF RAIN 30 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS IN THE MORNING, THEN  
NUMEROUS SHOWERS WITH ISOLATED THUNDERSTORMS IN THE AFTERNOON.  
HIGHS IN THE LOWER 60S. NORTHEAST WINDS AROUND 10 MPH WITH GUSTS  
UP TO 20 MPH IN THE AFTERNOON. CHANCE OF RAIN 60 PERCENT.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN NUMEROUS SHOWERS WITH ISOLATED  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 40S. NORTHEAST  
WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN THE EVENING.  
CHANCE OF RAIN 60 PERCENT.    
WEDNESDAY
 
NUMEROUS SHOWERS IN THE MORNING, THEN NUMEROUS  
SHOWERS WITH ISOLATED THUNDERSTORMS IN THE AFTERNOON. HIGHS IN  
THE LOWER 50S. NORTH WINDS AROUND 10 MPH. GUSTS UP TO 25 MPH IN  
THE AFTERNOON. CHANCE OF RAIN 60 PERCENT.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS WITH  
ISOLATED THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY WITH  
ISOLATED SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 40S. CHANCE OF  
RAIN 30 PERCENT.    
THURSDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. ISOLATED  
SHOWERS. ISOLATED THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE  
LOWER 60S. CHANCE OF RAIN 20 PERCENT.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.    
FRIDAY
 
SUNNY. HIGHS IN THE MID 60S.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS AROUND 70.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS AROUND 70.  
 

 
 
WYZ002-152200-  
ABSAROKA MOUNTAINS-  
838 AM MDT MON SEP 15 2025  
   
TODAY
 
RAIN SHOWERS. SNOW SHOWERS WITH ISOLATED THUNDERSTORMS  
THIS MORNING, THEN SCATTERED THUNDERSTORMS THIS AFTERNOON. SNOW  
ACCUMULATION UP TO 1 INCH. HIGHS IN THE MID 50S. WEST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF PRECIPITATION  
80 PERCENT.    
TONIGHT
 
ISOLATED THUNDERSTORMS IN THE EVENING. PARTLY CLOUDY  
WITH SCATTERED RAIN AND SNOW SHOWERS. LOWS IN THE MID 30S.  
NORTHWEST WINDS 10 TO 15 MPH. CHANCE OF PRECIPITATION 30 PERCENT.   
TUESDAY
 
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
CLOUDY. NUMEROUS RAIN SHOWERS. SCATTERED SNOW SHOWERS IN THE  
MORNING, THEN ISOLATED THUNDERSTORMS IN THE AFTERNOON. LITTLE OR  
NO SNOW ACCUMULATION. HIGHS IN THE MID 50S. NORTHEAST WINDS  
AROUND 10 MPH. CHANCE OF PRECIPITATION 60 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS WITH  
ISOLATED THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 30S.  
NORTHEAST WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH, BECOMING  
NORTH AFTER MIDNIGHT. CHANCE OF RAIN 30 PERCENT.    
WEDNESDAY
 
MOSTLY SUNNY. SCATTERED RAIN SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 50S. NORTHEAST  
WINDS 10 TO 15 MPH. CHANCE OF RAIN 30 PERCENT.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S.    
THURSDAY
 
SUNNY. HIGHS IN THE UPPER 50S.    
THURSDAY NIGHT
 
CLEAR. LOWS IN THE UPPER 30S.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 60S.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 60S.    
SATURDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE LOWER 40S.    
SUNDAY
 
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH  
SCATTERED RAIN SHOWERS WITH ISOLATED THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE LOWER 60S. CHANCE OF RAIN 30 PERCENT.  
 

 
 
WYZ007-152200-  
OWL CREEK AND BRIDGER MOUNTAINS-  
838 AM MDT MON SEP 15 2025  
   
TODAY
 
MOSTLY CLOUDY THIS MORNING, THEN BECOMING PARTLY CLOUDY.  
NUMEROUS SHOWERS. ISOLATED THUNDERSTORMS THIS MORNING, THEN  
SCATTERED THUNDERSTORMS THIS AFTERNOON. BREEZY WITH HIGHS IN THE  
MID 60S. SOUTHWEST WINDS 20 TO 25 MPH WITH GUSTS UP TO 35 MPH,  
BECOMING WEST 10 TO 15 MPH WITH GUSTS UP TO 25 MPH THIS  
AFTERNOON. CHANCE OF RAIN 60 PERCENT.    
TONIGHT
 
PARTLY CLOUDY WITH SCATTERED SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR WITH ISOLATED  
SHOWERS AFTER MIDNIGHT. SOME THUNDERSTORMS MAY BE SEVERE. LOWS IN  
THE MID 40S. NORTH WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.  
CHANCE OF RAIN 30 PERCENT.    
TUESDAY
 
PARTLY CLOUDY WITH SCATTERED SHOWERS. ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 60S. NORTH  
WINDS 10 TO 15 MPH. CHANCE OF RAIN 40 PERCENT.    
TUESDAY NIGHT
 
ISOLATED THUNDERSTORMS IN THE EVENING. PARTLY  
CLOUDY WITH SCATTERED SHOWERS. LOWS IN THE MID 40S. NORTH WINDS  
10 TO 15 MPH. CHANCE OF RAIN 30 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY WITH SCATTERED SHOWERS. ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 60S. NORTH  
WINDS AROUND 10 MPH. CHANCE OF RAIN 30 PERCENT.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S.    
THURSDAY
 
SUNNY. HIGHS IN THE UPPER 60S.    
THURSDAY NIGHT
 
CLEAR. LOWS IN THE MID 40S.    
FRIDAY
 
SUNNY. HIGHS AROUND 70.    
FRIDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE UPPER 40S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 50.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.  
 

 
 
WYZ008-152200-  
BIGHORN MOUNTAINS WEST-  
838 AM MDT MON SEP 15 2025  
   
TODAY
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS THIS MORNING, THEN  
NUMEROUS RAIN SHOWERS AND SCATTERED THUNDERSTORMS THIS AFTERNOON.  
HIGHS IN THE UPPER 50S. SOUTH WINDS AROUND 10 MPH, BECOMING WEST  
THIS AFTERNOON. CHANCE OF RAIN 60 PERCENT.    
TONIGHT
 
PARTLY CLOUDY WITH NUMEROUS RAIN SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR WITH SCATTERED  
RAIN SHOWERS AFTER MIDNIGHT. LOWS AROUND 40. NORTH WINDS 10 TO  
15 MPH, BECOMING EAST AFTER MIDNIGHT. CHANCE OF RAIN 60 PERCENT.    
TUESDAY
 
PARTLY CLOUDY WITH NUMEROUS RAIN SHOWERS. ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 50S. WEST WINDS  
AROUND 10 MPH, BECOMING NORTHWEST WITH GUSTS UP TO 20 MPH IN THE  
AFTERNOON. CHANCE OF RAIN 60 PERCENT.    
TUESDAY NIGHT
 
ISOLATED THUNDERSTORMS IN THE EVENING. PARTLY  
CLOUDY WITH SCATTERED RAIN SHOWERS. LOWS IN THE LOWER 40S.  
NORTHEAST WINDS AROUND 10 MPH. CHANCE OF RAIN 40 PERCENT.    
WEDNESDAY
 
MOSTLY CLOUDY WITH SCATTERED RAIN SHOWERS IN THE  
MORNING, THEN PARTLY CLOUDY WITH NUMEROUS RAIN SHOWERS WITH  
ISOLATED THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 50S.  
NORTH WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH. CHANCE OF RAIN  
60 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE LOWER 40S.    
THURSDAY
 
MOSTLY SUNNY. HIGHS AROUND 60.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.    
FRIDAY
 
SUNNY. HIGHS IN THE LOWER 60S.    
FRIDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE MID 40S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.  
 

 
 
WYZ009-152200-  
BIGHORN MOUNTAINS SOUTHEAST-  
838 AM MDT MON SEP 15 2025  
   
TODAY
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS THIS MORNING, THEN  
NUMEROUS RAIN SHOWERS AND SCATTERED THUNDERSTORMS THIS AFTERNOON.  
SOME THUNDERSTORMS MAY BE SEVERE. HIGHS IN THE LOWER 60S. WEST  
WINDS 10 TO 15 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF RAIN  
60 PERCENT.    
TONIGHT
 
PARTLY CLOUDY. NUMEROUS RAIN SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE EVENING, THEN SCATTERED RAIN SHOWERS AFTER  
MIDNIGHT. SOME THUNDERSTORMS MAY BE SEVERE. LOWS IN THE LOWER  
40S. NORTHWEST WINDS 10 TO 15 MPH. CHANCE OF RAIN 60 PERCENT.    
TUESDAY
 
PARTLY CLOUDY WITH SCATTERED RAIN SHOWERS IN THE  
MORNING, THEN MOSTLY CLOUDY WITH RAIN SHOWERS AND SCATTERED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 50S. NORTH  
WINDS AROUND 10 MPH, BECOMING NORTHEAST WITH GUSTS UP TO 20 MPH  
IN THE AFTERNOON. CHANCE OF RAIN 80 PERCENT.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. NUMEROUS RAIN SHOWERS WITH  
ISOLATED THUNDERSTORMS IN THE EVENING, THEN SCATTERED RAIN  
SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 40S. NORTH WINDS AROUND  
10 MPH WITH GUSTS UP TO 20 MPH. CHANCE OF RAIN 60 PERCENT.    
WEDNESDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS IN THE  
MORNING, THEN NUMEROUS RAIN SHOWERS WITH ISOLATED THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE MID 50S. NORTH WINDS AROUND 10 MPH  
WITH GUSTS UP TO 20 MPH. CHANCE OF RAIN 60 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY. ISOLATED RAIN SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS AROUND 40. CHANCE OF RAIN  
20 PERCENT.    
THURSDAY
 
MOSTLY SUNNY. ISOLATED RAIN SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 50S. CHANCE OF RAIN  
20 PERCENT.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40.    
FRIDAY
 
SUNNY. HIGHS IN THE LOWER 60S.    
FRIDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE MID 40S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.  
 

 
 
WYZ012-152200-  
TETON AND GROS VENTRE MOUNTAINS-  
838 AM MDT MON SEP 15 2025  
   
TODAY
 
MOSTLY CLOUDY THIS MORNING, THEN BECOMING PARTLY CLOUDY.  
NUMEROUS RAIN SHOWERS AND SCATTERED THUNDERSTORMS. HIGHS IN THE  
LOWER 50S. SOUTH WINDS AROUND 10 MPH, BECOMING WEST THIS  
AFTERNOON. CHANCE OF RAIN 60 PERCENT.    
TONIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS IN  
THE MID 30S. NORTHWEST WINDS AROUND 10 MPH WITH GUSTS UP TO  
20 MPH IN THE EVENING.    
TUESDAY
 
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. SCATTERED RAIN SHOWERS. ISOLATED THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE UPPER 50S. NORTH WINDS AROUND 10 MPH IN  
THE AFTERNOON. CHANCE OF RAIN 30 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE MID 30S. NORTHEAST WINDS AROUND 10 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS AROUND 60. EAST WINDS AROUND  
10 MPH, BECOMING NORTH IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S.    
THURSDAY
 
SUNNY. HIGHS IN THE LOWER 60S.    
THURSDAY NIGHT
 
CLEAR. LOWS IN THE UPPER 30S.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 60S.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S.    
SATURDAY
 
PARTLY CLOUDY. HIGHS IN THE MID 60S.    
SATURDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
ISOLATED THUNDERSTORMS IN THE EVENING. ISOLATED RAIN SHOWERS.  
LOWS IN THE LOWER 40S. CHANCE OF RAIN 20 PERCENT.    
SUNDAY
 
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. SCATTERED RAIN SHOWERS. ISOLATED THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE LOWER 60S. CHANCE OF RAIN 30 PERCENT.  
 

 
 
WYZ014-152200-  
WIND RIVER MOUNTAINS WEST-  
838 AM MDT MON SEP 15 2025  
   
TODAY
 
MOSTLY CLOUDY WITH NUMEROUS RAIN SHOWERS, SNOW SHOWERS  
WITH ISOLATED THUNDERSTORMS THIS MORNING, THEN PARTLY CLOUDY WITH  
SCATTERED RAIN SHOWERS AND THUNDERSTORMS THIS AFTERNOON. SNOW  
ACCUMULATION UP TO 4 INCHES. BREEZY WITH HIGHS IN THE LOWER 50S.  
SOUTHWEST WINDS 15 TO 20 MPH. GUSTS UP TO 30 MPH, INCREASING TO  
40 MPH THIS AFTERNOON. CHANCE OF PRECIPITATION 70 PERCENT.    
TONIGHT
 
MOSTLY CLEAR AND BREEZY. LOWS IN THE LOWER 30S.  
NORTHWEST WINDS 15 TO 20 MPH WITH GUSTS UP TO 35 MPH, BECOMING  
NORTHEAST AROUND 10 MPH AFTER MIDNIGHT.    
TUESDAY
 
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. SCATTERED RAIN SHOWERS. SCATTERED SNOW SHOWERS IN THE  
MORNING, THEN ISOLATED THUNDERSTORMS IN THE AFTERNOON. HIGHS IN  
THE MID 50S. EAST WINDS AROUND 10 MPH, BECOMING SOUTHEAST WITH  
GUSTS UP TO 20 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION  
30 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS, SNOW  
SHOWERS WITH ISOLATED THUNDERSTORMS IN THE EVENING. LOWS IN THE  
LOWER 30S. NORTHEAST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.  
CHANCE OF PRECIPITATION 30 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 50S. NORTH WINDS  
AROUND 10 MPH WITH GUSTS UP TO 20 MPH. CHANCE OF RAIN 30 PERCENT.   
WEDNESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE MID 30S.    
THURSDAY
 
SUNNY. HIGHS IN THE UPPER 50S.    
THURSDAY NIGHT
 
CLEAR. LOWS IN THE MID 30S.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 60S.    
FRIDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE UPPER 30S.    
SATURDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN  
THE LOWER 60S.    
SATURDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE UPPER 30S.    
SUNDAY
 
MOSTLY SUNNY. SCATTERED RAIN SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 60S. CHANCE OF  
RAIN 30 PERCENT.  
 

 
 
WYZ015-152200-  
WIND RIVER MOUNTAINS EAST-  
838 AM MDT MON SEP 15 2025  
   
TODAY
 
MOSTLY CLOUDY THIS MORNING, THEN BECOMING PARTLY CLOUDY.  
NUMEROUS RAIN SHOWERS. NUMEROUS SNOW SHOWERS WITH ISOLATED  
THUNDERSTORMS THIS MORNING, THEN SCATTERED THUNDERSTORMS THIS  
AFTERNOON. SNOW ACCUMULATION UP TO 4 INCHES. BREEZY WITH HIGHS IN  
THE MID 50S. SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS UP TO  
35 MPH. CHANCE OF PRECIPITATION 70 PERCENT.    
TONIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. WEST WINDS 10 TO  
15 MPH. GUSTS UP TO 30 MPH IN THE EVENING.    
TUESDAY
 
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. ISOLATED THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE LOWER 50S. EAST WINDS AROUND  
10 MPH. CHANCE OF PRECIPITATION 40 PERCENT.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH SCATTERED RAIN SHOWERS, SNOW  
SHOWERS WITH ISOLATED THUNDERSTORMS IN THE EVENING, THEN PARTLY  
CLOUDY WITH ISOLATED RAIN AND SNOW SHOWERS AFTER MIDNIGHT. LOWS  
IN THE LOWER 30S. NORTHEAST WINDS AROUND 10 MPH, BECOMING NORTH  
AFTER MIDNIGHT. CHANCE OF PRECIPITATION 30 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS, SNOW SHOWERS  
WITH ISOLATED THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER  
50S. NORTHEAST WINDS AROUND 10 MPH. CHANCE OF PRECIPITATION  
30 PERCENT.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 50S.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S.    
FRIDAY
 
MOSTLY SUNNY. HIGHS AROUND 60.    
FRIDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE UPPER 30S.    
SATURDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN  
THE LOWER 60S.    
SATURDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS AROUND 40.    
SUNDAY
 
MOSTLY SUNNY. SCATTERED RAIN SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 60. CHANCE OF RAIN  
30 PERCENT.  
 

 
 
WYZ019-152200-  
GREEN MOUNTAINS AND RATTLESNAKE RANGE-  
INCLUDING THE CITY OF JEFFREY CITY  
838 AM MDT MON SEP 15 2025  
   
TODAY
 
PARTLY CLOUDY THIS MORNING, THEN CLEARING. SCATTERED  
SHOWERS. ISOLATED THUNDERSTORMS THIS AFTERNOON. BREEZY WITH HIGHS  
IN THE UPPER 60S. SOUTHWEST WINDS 15 TO 20 MPH. GUSTS UP TO  
30 MPH, INCREASING TO 40 MPH THIS AFTERNOON. CHANCE OF RAIN  
30 PERCENT.    
TONIGHT
 
ISOLATED THUNDERSTORMS IN THE EVENING. PARTLY CLOUDY  
WITH SCATTERED SHOWERS. BREEZY WITH LOWS IN THE LOWER 40S.  
NORTHWEST WINDS 15 TO 20 MPH WITH GUSTS UP TO 35 MPH, BECOMING  
NORTH AROUND 10 MPH AFTER MIDNIGHT. CHANCE OF RAIN 30 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS IN THE MORNING,  
THEN PARTLY CLOUDY WITH NUMEROUS SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 60S. NORTHEAST  
WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH. CHANCE OF RAIN  
60 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. SCATTERED THUNDERSTORMS IN THE EVENING. SCATTERED  
SHOWERS. LOWS IN THE MID 40S. NORTH WINDS 10 TO 15 MPH WITH GUSTS  
UP TO 25 MPH. CHANCE OF RAIN 40 PERCENT.    
WEDNESDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. SCATTERED SHOWERS. ISOLATED THUNDERSTORMS IN THE  
AFTERNOON. HIGHS AROUND 60. NORTH WINDS 10 TO 15 MPH WITH GUSTS  
UP TO 25 MPH. CHANCE OF RAIN 40 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S.    
THURSDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 60S.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.    
FRIDAY
 
SUNNY. HIGHS IN THE LOWER 70S.    
FRIDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE MID 40S.    
SATURDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN  
THE LOWER 70S.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.  
 

 
 
WYZ024-152200-  
SALT RIVER AND WYOMING RANGES-  
838 AM MDT MON SEP 15 2025  
   
TODAY
 
PARTLY CLOUDY THIS MORNING, THEN CLEARING. SCATTERED  
THUNDERSTORMS. NUMEROUS SHOWERS, MAINLY THIS MORNING. BREEZY WITH  
HIGHS IN THE UPPER 50S. SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS  
UP TO 25 MPH, BECOMING WEST 15 TO 20 MPH WITH GUSTS UP TO 35 MPH  
THIS AFTERNOON. CHANCE OF RAIN 60 PERCENT.    
TONIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. NORTHWEST WINDS  
10 TO 15 MPH WITH GUSTS UP TO 30 MPH IN THE EVENING.    
TUESDAY
 
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HIGHS AROUND 60. NORTHWEST WINDS AROUND 10 MPH WITH GUSTS  
UP TO 20 MPH IN THE AFTERNOON.    
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTH WINDS  
AROUND 10 MPH WITH GUSTS UP TO 20 MPH, BECOMING EAST AFTER  
MIDNIGHT.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST  
WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 60S.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S.    
SATURDAY
 
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH  
ISOLATED RAIN SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS  
IN THE UPPER 60S. CHANCE OF RAIN 20 PERCENT.    
SATURDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE LOWER 40S.    
SUNDAY
 
MOSTLY SUNNY. ISOLATED SHOWERS IN THE MORNING, THEN  
SCATTERED SHOWERS WITH ISOLATED THUNDERSTORMS IN THE AFTERNOON.  
HIGHS IN THE MID 60S. CHANCE OF RAIN 30 PERCENT.  
 

 
 
WYZ030-152200-  
EAST SWEETWATER COUNTY-  
INCLUDING THE CITY OF WAMSUTTER  
838 AM MDT MON SEP 15 2025  
   
TODAY
 
PARTLY CLOUDY WITH SCATTERED SHOWERS. ISOLATED  
THUNDERSTORMS THIS AFTERNOON. BREEZY WITH HIGHS AROUND 70.  
SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF  
RAIN 30 PERCENT.    
TONIGHT
 
PARTLY CLOUDY WITH ISOLATED THUNDERSTORMS. SCATTERED  
SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 40S. WEST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 30 MPH IN THE EVENING. CHANCE OF RAIN  
30 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY WITH NUMEROUS SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE MORNING, THEN PARTLY CLOUDY WITH SCATTERED  
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER  
60S. NORTHEAST WINDS AROUND 10 MPH. CHANCE OF RAIN 60 PERCENT.    
TUESDAY NIGHT
 
ISOLATED THUNDERSTORMS IN THE EVENING. PARTLY  
CLOUDY WITH SCATTERED SHOWERS. LOWS IN THE LOWER 40S. NORTHEAST  
WINDS 10 TO 15 MPH. CHANCE OF RAIN 30 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY WITH SCATTERED SHOWERS. ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 60. NORTH WINDS  
10 TO 15 MPH. CHANCE OF RAIN 30 PERCENT.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40.    
THURSDAY
 
SUNNY. HIGHS IN THE UPPER 60S.    
THURSDAY NIGHT
 
CLEAR. LOWS AROUND 40.    
FRIDAY
 
MOSTLY SUNNY. HIGHS AROUND 70.    
FRIDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE LOWER 40S.    
SATURDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN  
THE LOWER 70S.    
SATURDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE MID 40S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.  
 

 
 
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