177  
FPUS55 KRIW 202103  
ZFPRIW  
 
ZONE FORECAST PRODUCT FOR WESTERN AND CENTRAL WYOMING  
NATIONAL WEATHER SERVICE RIVERTON WY  
301 PM MDT THU AUG 20 2026  
 
WYZ020-202215-  
NATRONA COUNTY LOWER ELEVATIONS-  
INCLUDING THE CITY OF CASPER  
301 PM MDT THU AUG 20 2026  
   
THIS AFTERNOON  
SUNNY. NEAR STEADY TEMPERATURE AROUND 90.  
NORTHWEST WINDS 10 TO 15 MPH.    
TONIGHT  
PARTLY CLOUDY. LOWS AROUND 60. NORTH WINDS AROUND  
10 MPH IN THE EVENING.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS  
AROUND 10 MPH, BECOMING NORTHWEST IN THE AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHEAST  
WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
SATURDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE UPPER  
80S. EAST WINDS 10 TO 15 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 60S. CHANCE OF  
RAIN 30 PERCENT.    
SUNDAY  
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. BREEZY  
WITH HIGHS AROUND 90.    
SUNDAY NIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.  
LOWS IN THE UPPER 50S. CHANCE OF RAIN 20 PERCENT.    
MONDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. CHANCE OF  
RAIN 20 PERCENT.    
MONDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 50S.  
CHANCE OF RAIN 30 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
HIGHS IN THE LOWER 80S. CHANCE OF RAIN 20 PERCENT.    
TUESDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 50S. CHANCE OF RAIN  
20 PERCENT.    
WEDNESDAY  
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A  
SLIGHT CHANCE OF. HIGHS IN THE MID 80S.  
 
 
 
WYZ017-202215-  
WIND RIVER BASIN-  
INCLUDING THE CITIES OF RIVERTON AND SHOSHONI  
301 PM MDT THU AUG 20 2026  
   
THIS AFTERNOON  
SUNNY. NEAR STEADY TEMPERATURE AROUND 90.  
NORTHWEST WINDS AROUND 10 MPH.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTH WINDS  
AROUND 10 MPH, BECOMING WEST AFTER MIDNIGHT.    
FRIDAY  
PARTLY CLOUDY. HIGHS IN THE LOWER 90S. SOUTHWEST WINDS  
AROUND 10 MPH, BECOMING NORTH IN THE AFTERNOON.    
FRIDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTH WINDS AROUND 10 MPH  
WITH GUSTS UP TO 25 MPH.    
SATURDAY  
PARTLY CLOUDY. HIGHS IN THE UPPER 80S. SOUTH WINDS  
AROUND 10 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY  
AFTER MIDNIGHT. LOWS IN THE LOWER 60S. CHANCE OF RAIN 30 PERCENT.   
SUNDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 80S. CHANCE OF RAIN 30 PERCENT.   
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 60.    
MONDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE  
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. CHANCE  
OF RAIN 30 PERCENT.    
MONDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 50S. CHANCE OF  
RAIN 20 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
HIGHS IN THE LOWER 80S. CHANCE OF RAIN 20 PERCENT.    
TUESDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 50S. CHANCE OF  
RAIN 20 PERCENT.    
WEDNESDAY  
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A  
SLIGHT CHANCE OF. HIGHS IN THE MID 80S.  
 
 
 
WYZ018-202215-  
LANDER FOOTHILLS-  
INCLUDING THE CITY OF LANDER  
301 PM MDT THU AUG 20 2026  
   
THIS AFTERNOON  
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. NORTH  
WINDS AROUND 10 MPH.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 60S. WEST WINDS  
AROUND 10 MPH.    
FRIDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF. HIGHS AROUND 90. NORTHEAST WINDS  
AROUND 10 MPH IN THE AFTERNOON.    
FRIDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 60S. NORTHWEST  
WINDS AROUND 10 MPH IN THE EVENING.    
SATURDAY  
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
CLOUDY. HIGHS IN THE MID 80S. SOUTHEAST WINDS AROUND 10 MPH IN  
THE AFTERNOON.    
SATURDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS AROUND 60.    
SUNDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 80S. CHANCE OF  
RAIN 20 PERCENT.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 50S.    
MONDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE MID 80S. CHANCE OF RAIN 30 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 50S.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH A  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS IN  
THE LOWER 80S. CHANCE OF RAIN 30 PERCENT.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 50S.    
WEDNESDAY  
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH  
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
HIGHS IN THE MID 80S. CHANCE OF RAIN 20 PERCENT.  
 
 
 
WYZ028-202215-  
ROCK SPRINGS AND GREEN RIVER-  
INCLUDING THE CITIES OF ROCK SPRINGS AND GREEN RIVER  
301 PM MDT THU AUG 20 2026  
   
THIS AFTERNOON  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. NEAR STEADY TEMPERATURE IN THE MID 80S. WEST WINDS  
AROUND 10 MPH. CHANCE OF RAIN 30 PERCENT.    
TONIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS IN  
THE UPPER 50S. SOUTHWEST WINDS AROUND 10 MPH IN THE EVENING.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 90S. WEST WINDS AROUND  
10 MPH IN THE AFTERNOON.    
FRIDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHWEST WINDS AROUND  
10 MPH, BECOMING NORTH AFTER MIDNIGHT.    
SATURDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE MID 80S. WEST WINDS AROUND 10 MPH  
IN THE AFTERNOON. CHANCE OF RAIN 40 PERCENT.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY  
AFTER MIDNIGHT. LOWS IN THE MID 50S. CHANCE OF RAIN 30 PERCENT.    
SUNDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE MID 80S. CHANCE OF RAIN 30 PERCENT.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY  
AFTER MIDNIGHT. LOWS IN THE MID 50S. CHANCE OF RAIN 30 PERCENT.    
MONDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE LOWER 80S. CHANCE OF RAIN 30 PERCENT.   
MONDAY NIGHT  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
LOWS AROUND 50. CHANCE OF RAIN 20 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
HIGHS IN THE LOWER 80S. CHANCE OF RAIN 20 PERCENT.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 50S.    
WEDNESDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S. CHANCE OF  
RAIN 20 PERCENT.  
 
 
 
WYZ013-202215-  
JACKSON HOLE-  
INCLUDING THE CITY OF JACKSON  
301 PM MDT THU AUG 20 2026  
   
THIS AFTERNOON  
MOSTLY SUNNY. NEAR STEADY TEMPERATURE IN THE  
MID 80S. WEST WINDS AROUND 10 MPH.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 50S. WEST WINDS  
AROUND 10 MPH IN THE EVENING.    
FRIDAY  
PARTLY CLOUDY. HIGHS IN THE UPPER 80S.    
FRIDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 50S.    
SATURDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND  
10 MPH IN THE AFTERNOON. CHANCE OF RAIN 30 PERCENT.    
SATURDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS AROUND 50. CHANCE OF RAIN  
50 PERCENT.    
SUNDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING, THEN  
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
HIGHS IN THE MID 70S. CHANCE OF RAIN 60 PERCENT.    
SUNDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S.  
CHANCE OF RAIN 30 PERCENT.    
MONDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE MID 70S. CHANCE OF RAIN 50 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY  
AFTER MIDNIGHT. LOWS IN THE MID 40S. CHANCE OF RAIN 40 PERCENT.    
TUESDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S. CHANCE OF  
RAIN 20 PERCENT.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 40S.    
WEDNESDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S. CHANCE OF  
RAIN 20 PERCENT.  
 
 
 
WYZ003-202215-  
CODY FOOTHILLS-  
INCLUDING THE CITIES OF CLARK, CODY, AND MEETEETSE  
301 PM MDT THU AUG 20 2026  
   
THIS AFTERNOON  
MOSTLY SUNNY. NEAR STEADY TEMPERATURE IN THE  
MID 80S. NORTH WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTH WINDS  
AROUND 10 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.    
FRIDAY  
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. PATCHY  
SMOKE. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND 10 MPH,  
BECOMING NORTH IN THE AFTERNOON.    
FRIDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTH WINDS AROUND 10 MPH IN  
THE EVENING.    
SATURDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND  
10 MPH IN THE AFTERNOON. CHANCE OF RAIN 30 PERCENT.    
SATURDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE LOWER 60S.    
SUNDAY  
PARTLY CLOUDY. SHOWERS LIKELY WITH A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. CHANCE OF  
RAIN 60 PERCENT.    
SUNDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS AROUND 60. CHANCE OF RAIN  
20 PERCENT.    
MONDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS AROUND 80. CHANCE OF RAIN 30 PERCENT.    
MONDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 50S.  
CHANCE OF RAIN 30 PERCENT.    
TUESDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 70S. CHANCE OF RAIN  
40 PERCENT.    
TUESDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 50S. CHANCE OF RAIN  
20 PERCENT.    
WEDNESDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 70S. CHANCE OF RAIN  
30 PERCENT.  
 
 
 
WYZ004-202215-  
NORTH BIGHORN BASIN-  
INCLUDING THE CITIES OF BASIN, GREYBULL, LOVELL, POWELL,  
AND SHELL  
301 PM MDT THU AUG 20 2026  
   
THIS AFTERNOON  
MOSTLY SUNNY. NEAR STEADY TEMPERATURE IN THE  
LOWER 90S.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTH WINDS  
AROUND 10 MPH IN THE EVENING.    
FRIDAY  
MOSTLY SUNNY. PATCHY SMOKE. HIGHS IN THE LOWER 90S.  
NORTH WINDS 10 TO 15 MPH IN THE AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTH WINDS  
10 TO 15 MPH IN THE EVENING.    
SATURDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS AROUND 90.  
SOUTH WINDS AROUND 10 MPH IN THE AFTERNOON.    
SATURDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE LOWER 60S.    
SUNDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS AROUND 90. CHANCE OF RAIN 30 PERCENT.    
SUNDAY NIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.  
LOWS AROUND 60. CHANCE OF RAIN 20 PERCENT.    
MONDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. CHANCE OF  
RAIN 20 PERCENT.    
MONDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 50S. CHANCE OF  
RAIN 20 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A SLIGHT  
CHANCE OF. HIGHS IN THE LOWER 80S.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 50S.    
WEDNESDAY  
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A  
SLIGHT CHANCE OF. HIGHS IN THE MID 80S.  
 
 
 
WYZ006-202215-  
SOUTHEAST BIGHORN BASIN-  
INCLUDING THE CITIES OF TEN SLEEP AND WORLAND  
301 PM MDT THU AUG 20 2026  
   
THIS AFTERNOON  
SUNNY. NEAR STEADY TEMPERATURE AROUND 90. NORTH  
WINDS AROUND 10 MPH.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST WINDS  
AROUND 10 MPH IN THE EVENING.    
FRIDAY  
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. PATCHY  
SMOKE IN THE AFTERNOON. HIGHS IN THE LOWER 90S. NORTHWEST WINDS  
AROUND 10 MPH IN THE AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTH WINDS  
AROUND 10 MPH, BECOMING SOUTH AFTER MIDNIGHT.    
SATURDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS AROUND 90.  
SOUTH WINDS AROUND 10 MPH IN THE AFTERNOON.    
SATURDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 60S. CHANCE OF RAIN  
20 PERCENT.    
SUNDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS AROUND 90. CHANCE OF RAIN 30 PERCENT.    
SUNDAY NIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.  
LOWS AROUND 60. CHANCE OF RAIN 20 PERCENT.    
MONDAY  
MOSTLY SUNNY. A SLIGHT CHANCE OF. HIGHS IN THE MID 80S.   
MONDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS AROUND 60. CHANCE OF RAIN  
20 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A SLIGHT  
CHANCE OF. HIGHS IN THE LOWER 80S.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 60.    
WEDNESDAY  
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A  
SLIGHT CHANCE OF. HIGHS IN THE MID 80S.  
 
 
 
WYZ005-202215-  
SOUTHWEST BIGHORN BASIN-  
INCLUDING THE CITY OF THERMOPOLIS  
301 PM MDT THU AUG 20 2026  
   
THIS AFTERNOON  
MOSTLY SUNNY. NEAR STEADY TEMPERATURE AROUND  
90. NORTHEAST WINDS AROUND 10 MPH.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST WINDS  
AROUND 10 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.    
FRIDAY  
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. PATCHY  
SMOKE IN THE AFTERNOON. HIGHS AROUND 90. NORTH WINDS AROUND  
10 MPH IN THE AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTH WINDS  
AROUND 10 MPH IN THE EVENING.    
SATURDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE UPPER  
80S. SOUTH WINDS AROUND 10 MPH IN THE AFTERNOON.    
SATURDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 60S. CHANCE OF  
RAIN 20 PERCENT.    
SUNDAY  
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH  
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
HIGHS IN THE UPPER 80S. CHANCE OF RAIN 60 PERCENT.    
SUNDAY NIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.  
LOWS AROUND 60. CHANCE OF RAIN 20 PERCENT.    
MONDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE MID 80S. CHANCE OF RAIN 30 PERCENT.    
MONDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS AROUND 60. CHANCE OF RAIN  
20 PERCENT.    
TUESDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE LOWER  
80S.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 60.    
WEDNESDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S. CHANCE OF  
RAIN 20 PERCENT.  
 
 
 
WYZ023-202215-  
STAR VALLEY-  
INCLUDING THE CITIES OF AFTON, ALPINE, STAR VALLEY RANCH,  
AND THAYNE  
301 PM MDT THU AUG 20 2026  
   
THIS AFTERNOON  
MOSTLY SUNNY. NEAR STEADY TEMPERATURE IN THE  
MID 80S. WEST WINDS AROUND 10 MPH.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE MID 50S.    
FRIDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HIGHS AROUND 90.    
FRIDAY NIGHT  
MOSTLY CLOUDY. A SLIGHT CHANCE OF. LOWS IN THE  
UPPER 50S.    
SATURDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE LOWER 80S. CHANCE OF RAIN  
30 PERCENT.    
SATURDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN A SLIGHT CHANCE OF SHOWERS  
AFTER MIDNIGHT. LOWS IN THE LOWER 50S. CHANCE OF RAIN 40 PERCENT.   
SUNDAY  
PARTLY CLOUDY. SHOWERS LIKELY WITH A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 80. CHANCE OF RAIN  
60 PERCENT.    
SUNDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S.  
CHANCE OF RAIN 30 PERCENT.    
MONDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS AROUND 80. CHANCE OF RAIN 40 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. A  
SLIGHT CHANCE OF SHOWERS. LOWS IN THE UPPER 40S. CHANCE OF RAIN  
20 PERCENT.    
TUESDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS AROUND 80. CHANCE OF RAIN 30 PERCENT.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S.    
WEDNESDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 80. CHANCE OF RAIN  
20 PERCENT.  
 
 
 
WYZ025-202215-  
UPPER GREEN RIVER BASIN FOOTHILLS-  
INCLUDING THE CITY OF PINEDALE  
301 PM MDT THU AUG 20 2026  
   
THIS AFTERNOON  
MOSTLY SUNNY. NEAR STEADY TEMPERATURE IN THE  
LOWER 80S. WEST WINDS AROUND 10 MPH.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHWEST WINDS  
AROUND 10 MPH IN THE EVENING.    
FRIDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HIGHS IN THE MID 80S. WEST WINDS AROUND 10 MPH IN THE  
AFTERNOON.    
FRIDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHEAST WINDS AROUND 10 MPH  
IN THE EVENING.    
SATURDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S. SOUTHWEST  
WINDS AROUND 10 MPH IN THE AFTERNOON. CHANCE OF RAIN 40 PERCENT.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
LOWS AROUND 50. CHANCE OF RAIN 30 PERCENT.    
SUNDAY  
PARTLY CLOUDY. SHOWERS LIKELY WITH A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S. CHANCE OF  
RAIN 60 PERCENT.    
SUNDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S. CHANCE OF  
RAIN 20 PERCENT.    
MONDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE LOWER 70S. CHANCE OF RAIN 40 PERCENT.   
MONDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 40S. CHANCE OF RAIN  
20 PERCENT.    
TUESDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE LOWER 70S. CHANCE OF RAIN  
30 PERCENT.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 40S.    
WEDNESDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S. CHANCE OF  
RAIN 20 PERCENT.  
 
 
 
WYZ026-202215-  
UPPER GREEN RIVER BASIN-  
INCLUDING THE CITIES OF LA BARGE, BIG PINEY, AND FARSON  
301 PM MDT THU AUG 20 2026  
   
THIS AFTERNOON  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS. NEAR STEADY TEMPERATURE IN THE MID 80S. WEST  
WINDS AROUND 10 MPH. CHANCE OF RAIN 20 PERCENT.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE MID 50S. WEST WINDS AROUND  
10 MPH IN THE EVENING.    
FRIDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HIGHS IN THE UPPER 80S. WEST WINDS AROUND 10 MPH IN THE  
AFTERNOON.    
FRIDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS AROUND 60. NORTH WINDS AROUND 10 MPH.    
SATURDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS AROUND 80. SOUTHWEST WINDS AROUND 10 MPH  
IN THE AFTERNOON. CHANCE OF RAIN 30 PERCENT.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER  
MIDNIGHT. LOWS AROUND 50. CHANCE OF RAIN 20 PERCENT.    
SUNDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 70S. CHANCE OF RAIN 30 PERCENT.   
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 50.    
MONDAY  
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH A  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS IN  
THE UPPER 70S. CHANCE OF RAIN 30 PERCENT.    
MONDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S. CHANCE OF  
RAIN 20 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
HIGHS IN THE UPPER 70S. CHANCE OF RAIN 20 PERCENT.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S.    
WEDNESDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S. CHANCE OF  
RAIN 20 PERCENT.  
 
 
 
WYZ010-202215-  
NORTHEAST JOHNSON COUNTY-  
INCLUDING THE CITY OF BUFFALO  
301 PM MDT THU AUG 20 2026  
   
THIS AFTERNOON  
SUNNY. NEAR STEADY TEMPERATURE IN THE UPPER  
80S. NORTHEAST WINDS AROUND 10 MPH.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHEAST WINDS  
AROUND 10 MPH IN THE EVENING.    
FRIDAY  
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. PATCHY  
SMOKE. HIGHS AROUND 90. SOUTHWEST WINDS AROUND 10 MPH, BECOMING  
NORTH WITH GUSTS UP TO 25 MPH IN THE AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTH WINDS  
10 TO 15 MPH WITH GUSTS UP TO 25 MPH IN THE EVENING.    
SATURDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF. BREEZY WITH HIGHS  
AROUND 90. SOUTHEAST WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE LOWER 60S. CHANCE OF RAIN 30 PERCENT.    
SUNDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS AROUND 90. CHANCE OF RAIN 30 PERCENT.    
SUNDAY NIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.  
LOWS AROUND 60. CHANCE OF RAIN 20 PERCENT.    
MONDAY  
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. CHANCE OF  
RAIN 20 PERCENT.    
MONDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN A SLIGHT CHANCE OF  
SHOWERS AFTER MIDNIGHT. LOWS AROUND 60. CHANCE OF RAIN  
30 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH A  
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. HIGHS AROUND 80. CHANCE OF RAIN 30 PERCENT.    
TUESDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS AROUND 60. CHANCE OF RAIN  
20 PERCENT.    
WEDNESDAY  
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A  
SLIGHT CHANCE OF. HIGHS IN THE MID 80S.  
 
 
 
WYZ011-202215-  
SOUTHEAST JOHNSON COUNTY-  
INCLUDING THE CITY OF KAYCEE  
301 PM MDT THU AUG 20 2026  
   
THIS AFTERNOON  
SUNNY. NEAR STEADY TEMPERATURE IN THE LOWER  
90S. NORTHWEST WINDS 10 TO 15 MPH.    
TONIGHT  
PARTLY CLOUDY. LOWS AROUND 60. NORTH WINDS 10 TO  
15 MPH, BECOMING WEST AFTER MIDNIGHT.    
FRIDAY  
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. PATCHY  
SMOKE. HIGHS AROUND 90. SOUTHWEST WINDS AROUND 10 MPH, BECOMING  
NORTH WITH GUSTS UP TO 25 MPH IN THE AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTH WINDS  
10 TO 15 MPH.    
SATURDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE UPPER  
80S. SOUTHEAST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
SATURDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 60S. CHANCE OF  
RAIN 30 PERCENT.    
SUNDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE LOWER  
90S.    
SUNDAY NIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.  
LOWS AROUND 60. CHANCE OF RAIN 20 PERCENT.    
MONDAY  
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. CHANCE OF  
RAIN 20 PERCENT.    
MONDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 50S. CHANCE OF  
RAIN 20 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A SLIGHT  
CHANCE OF. HIGHS IN THE LOWER 80S.    
TUESDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 50S. CHANCE OF  
RAIN 20 PERCENT.    
WEDNESDAY  
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A  
SLIGHT CHANCE OF. HIGHS IN THE MID 80S.  
 
 
 
WYZ027-202215-  
SOUTH LINCOLN COUNTY-  
INCLUDING THE CITIES OF KEMMERER AND COKEVILLE  
301 PM MDT THU AUG 20 2026  
   
THIS AFTERNOON  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. HIGHS AROUND 90. WEST WINDS AROUND 10 MPH. CHANCE  
OF RAIN 30 PERCENT.    
TONIGHT  
MOSTLY CLEAR. LOWS IN THE MID 50S. WEST WINDS AROUND  
10 MPH IN THE EVENING.    
FRIDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HIGHS AROUND 90. SOUTHWEST WINDS AROUND 10 MPH IN THE  
AFTERNOON.    
FRIDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN PARTLY CLOUDY  
WITH A CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS AROUND 60. WEST  
WINDS AROUND 10 MPH IN THE EVENING. CHANCE OF RAIN 30 PERCENT.    
SATURDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND  
10 MPH IN THE AFTERNOON. CHANCE OF RAIN 40 PERCENT.    
SATURDAY NIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS. LOWS IN THE MID 50S. CHANCE OF RAIN  
20 PERCENT.    
SUNDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S. CHANCE OF  
RAIN 20 PERCENT.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 50S.    
MONDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 80. CHANCE OF RAIN  
20 PERCENT.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 50.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
HIGHS AROUND 80. CHANCE OF RAIN 20 PERCENT.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 50.    
WEDNESDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 80. CHANCE OF RAIN  
20 PERCENT.  
 
 
 
WYZ016-202215-  
UPPER WIND RIVER BASIN-  
INCLUDING THE CITY OF DUBOIS  
301 PM MDT THU AUG 20 2026  
   
THIS AFTERNOON  
MOSTLY SUNNY AND BREEZY. NEAR STEADY  
TEMPERATURE IN THE MID 80S. WEST WINDS 15 TO 20 MPH.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE MID 50S. NORTHWEST WINDS  
10 TO 15 MPH.    
FRIDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE MID  
80S. NORTHWEST WINDS AROUND 10 MPH.    
FRIDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY  
AFTER MIDNIGHT. LOWS AROUND 60. NORTH WINDS AROUND 10 MPH IN THE  
EVENING. CHANCE OF RAIN 30 PERCENT.    
SATURDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S. SOUTHWEST  
WINDS AROUND 10 MPH IN THE AFTERNOON. CHANCE OF RAIN 40 PERCENT.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE MID 50S. CHANCE OF RAIN 40 PERCENT.    
SUNDAY  
PARTLY CLOUDY. SHOWERS LIKELY WITH A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. BREEZY WITH HIGHS IN THE UPPER  
70S. CHANCE OF RAIN 60 PERCENT.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 50.    
MONDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE MID 70S. CHANCE OF RAIN 40 PERCENT.    
MONDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS AROUND 50. CHANCE OF  
RAIN 30 PERCENT.    
TUESDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE MID 70S. CHANCE OF RAIN  
30 PERCENT.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 50.    
WEDNESDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE MID 70S. CHANCE OF RAIN  
30 PERCENT.  
 
 
 
WYZ001-202215-  
YELLOWSTONE NATIONAL PARK-  
INCLUDING THE CITIES OF LAKE, MAMMOTH, AND OLD FAITHFUL  
301 PM MDT THU AUG 20 2026  
   
THIS AFTERNOON  
PARTLY CLOUDY. NEAR STEADY TEMPERATURE IN THE  
UPPER 70S. WEST WINDS AROUND 10 MPH WITH GUSTS UP TO 25 MPH.    
TONIGHT  
PARTLY CLOUDY. LOWS AROUND 50. SOUTHWEST WINDS AROUND  
10 MPH IN THE EVENING.    
FRIDAY  
MOSTLY SUNNY. HIGHS AROUND 80. WEST WINDS AROUND 10 MPH  
IN THE AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.    
SATURDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE LOWER 70S. SOUTH WINDS AROUND  
10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON. CHANCE OF RAIN  
30 PERCENT.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE UPPER 40S. CHANCE OF RAIN 50 PERCENT.    
SUNDAY  
PARTLY CLOUDY. SHOWERS LIKELY WITH A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 70. CHANCE OF RAIN  
60 PERCENT.    
SUNDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 40S. CHANCE OF RAIN  
20 PERCENT.    
MONDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 60S. CHANCE OF RAIN 40 PERCENT.   
MONDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 40S.  
CHANCE OF RAIN 30 PERCENT.    
TUESDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 60S. CHANCE OF RAIN  
30 PERCENT.    
TUESDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 40S. CHANCE OF RAIN  
20 PERCENT.    
WEDNESDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 70. CHANCE OF RAIN  
20 PERCENT.  
 
 
 
WYZ029-202215-  
FLAMING GORGE-  
301 PM MDT THU AUG 20 2026  
   
THIS AFTERNOON  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS. NEAR STEADY TEMPERATURE IN THE MID 80S. WEST WINDS  
AROUND 10 MPH. CHANCE OF RAIN 30 PERCENT.    
TONIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
AROUND 60. SOUTHWEST WINDS 10 TO 15 MPH IN THE EVENING.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. NORTHWEST WINDS  
AROUND 10 MPH IN THE AFTERNOON.    
FRIDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE LOWER 60S. WEST WINDS AROUND 10 MPH IN  
THE EVENING.    
SATURDAY  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE LOWER 80S. WEST WINDS AROUND  
10 MPH IN THE AFTERNOON. CHANCE OF RAIN 30 PERCENT.    
SATURDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS WITH A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN A SLIGHT  
CHANCE OF SHOWERS AFTER MIDNIGHT. LOWS AROUND 60. CHANCE OF RAIN  
30 PERCENT.    
SUNDAY  
PARTLY CLOUDY. SHOWERS LIKELY WITH A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S. CHANCE OF  
RAIN 60 PERCENT.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY  
AFTER MIDNIGHT. LOWS IN THE UPPER 50S. CHANCE OF RAIN 30 PERCENT.   
MONDAY  
MOSTLY CLOUDY IN THE MORNING, THEN PARTLY CLOUDY WITH A  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS  
AROUND 80. CHANCE OF RAIN 30 PERCENT.    
MONDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 50S. CHANCE OF RAIN  
20 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A SLIGHT  
CHANCE OF. HIGHS AROUND 80.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 50S.    
WEDNESDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S. CHANCE OF  
RAIN 20 PERCENT.  
 
 
 
WYZ022-202215-  
CASPER MOUNTAIN-  
301 PM MDT THU AUG 20 2026  
   
THIS AFTERNOON  
SUNNY. NEAR STEADY TEMPERATURE IN THE LOWER  
80S. NORTHWEST WINDS AROUND 10 MPH.    
TONIGHT  
PARTLY CLOUDY. LOWS AROUND 60. NORTHEAST WINDS AROUND  
10 MPH IN THE EVENING.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS  
AROUND 10 MPH, BECOMING NORTHWEST IN THE AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHEAST  
WINDS AROUND 10 MPH IN THE EVENING.    
SATURDAY  
PARTLY CLOUDY. SHOWERS LIKELY WITH A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 80. SOUTH WINDS  
AROUND 10 MPH IN THE AFTERNOON. CHANCE OF RAIN 60 PERCENT.    
SATURDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 60S. CHANCE OF  
RAIN 30 PERCENT.    
SUNDAY  
PARTLY CLOUDY. HIGHS IN THE LOWER 80S.    
SUNDAY NIGHT  
PARTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR  
AFTER MIDNIGHT. LOWS IN THE UPPER 50S. CHANCE OF RAIN 30 PERCENT.   
MONDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 70S. CHANCE OF  
RAIN 20 PERCENT.    
MONDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 50S.  
CHANCE OF RAIN 30 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
HIGHS IN THE MID 70S. CHANCE OF RAIN 20 PERCENT.    
TUESDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 50S. CHANCE OF RAIN  
20 PERCENT.    
WEDNESDAY  
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH  
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
HIGHS IN THE UPPER 70S. CHANCE OF RAIN 20 PERCENT.  
 
 
 
WYZ002-202215-  
ABSAROKA MOUNTAINS-  
301 PM MDT THU AUG 20 2026  
   
THIS AFTERNOON  
MOSTLY SUNNY AND BREEZY. NEAR STEADY  
TEMPERATURE IN THE MID 70S. WEST WINDS 15 TO 20 MPH WITH GUSTS UP  
TO 30 MPH.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 50S. WEST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 25 MPH.    
FRIDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF. PATCHY SMOKE IN THE  
AFTERNOON. HIGHS IN THE MID 70S. WEST WINDS 10 TO 15 MPH WITH  
GUSTS UP TO 25 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. EAST WINDS AROUND 10 MPH,  
BECOMING SOUTHWEST AFTER MIDNIGHT.    
SATURDAY  
MOSTLY CLOUDY. SHOWERS LIKELY WITH A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S. SOUTHWEST  
WINDS 10 TO 15 MPH. CHANCE OF RAIN 60 PERCENT.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE LOWER 50S. CHANCE OF RAIN 50 PERCENT.    
SUNDAY  
PARTLY CLOUDY. SHOWERS LIKELY WITH A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. BREEZY WITH HIGHS IN THE UPPER  
60S. CHANCE OF RAIN 60 PERCENT.    
SUNDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. BREEZY WITH LOWS IN THE UPPER 40S.  
CHANCE OF RAIN 20 PERCENT.    
MONDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE MID 60S. CHANCE OF RAIN 40 PERCENT.    
MONDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S.  
CHANCE OF RAIN 30 PERCENT.    
TUESDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE MID 60S. CHANCE OF RAIN  
50 PERCENT.    
TUESDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 40S. CHANCE OF RAIN  
20 PERCENT.    
WEDNESDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE MID 60S. CHANCE OF RAIN  
30 PERCENT.  
 
 
 
WYZ007-202215-  
OWL CREEK AND BRIDGER MOUNTAINS-  
301 PM MDT THU AUG 20 2026  
   
THIS AFTERNOON  
MOSTLY SUNNY. NEAR STEADY TEMPERATURE IN THE  
MID 80S. NORTH WINDS AROUND 10 MPH.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHEAST WINDS  
AROUND 10 MPH, BECOMING SOUTH AFTER MIDNIGHT.    
FRIDAY  
PARTLY CLOUDY. PATCHY SMOKE IN THE AFTERNOON. HIGHS IN  
THE MID 80S. SOUTHWEST WINDS AROUND 10 MPH, BECOMING NORTH IN THE  
AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTH WINDS  
10 TO 15 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT. GUSTS UP TO  
30 MPH.    
SATURDAY  
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE LOWER 80S. SOUTH WINDS  
AROUND 10 MPH.    
SATURDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 60S. CHANCE OF  
RAIN 20 PERCENT.    
SUNDAY  
PARTLY CLOUDY. SHOWERS LIKELY WITH A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S. CHANCE OF  
RAIN 60 PERCENT.    
SUNDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS AROUND 60. CHANCE OF RAIN  
20 PERCENT.    
MONDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 70S. CHANCE OF RAIN 50 PERCENT.   
MONDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 50S.  
CHANCE OF RAIN 30 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH A  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS IN  
THE MID 70S. CHANCE OF RAIN 30 PERCENT.    
TUESDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 50S. CHANCE OF  
RAIN 20 PERCENT.    
WEDNESDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 70S. CHANCE OF RAIN  
30 PERCENT.  
 
 
 
WYZ008-202215-  
BIGHORN MOUNTAINS WEST-  
301 PM MDT THU AUG 20 2026  
   
THIS AFTERNOON  
SUNNY. NEAR STEADY TEMPERATURE IN THE UPPER  
70S. NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHEAST WINDS  
AROUND 10 MPH WITH GUSTS UP TO 20 MPH, BECOMING SOUTHEAST AFTER  
MIDNIGHT.    
FRIDAY  
MOSTLY SUNNY. PATCHY SMOKE IN THE AFTERNOON. HIGHS IN  
THE LOWER 80S. SOUTHWEST WINDS AROUND 10 MPH, BECOMING NORTHWEST  
IN THE AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHEAST  
WINDS 10 TO 15 MPH, BECOMING EAST AFTER MIDNIGHT. GUSTS UP TO  
30 MPH.    
SATURDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE UPPER  
70S. SOUTH WINDS AROUND 10 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER  
MIDNIGHT. LOWS IN THE LOWER 60S. CHANCE OF RAIN 20 PERCENT.    
SUNDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE MID 70S. CHANCE OF RAIN 30 PERCENT.    
SUNDAY NIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.  
LOWS IN THE UPPER 50S. CHANCE OF RAIN 20 PERCENT.    
MONDAY  
MOSTLY SUNNY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S. CHANCE OF  
RAIN 20 PERCENT.    
MONDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 50S.  
CHANCE OF RAIN 30 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH A  
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE LOWER 70S. CHANCE OF RAIN 30 PERCENT.    
TUESDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 50S. CHANCE OF RAIN  
20 PERCENT.    
WEDNESDAY  
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH  
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
HIGHS IN THE LOWER 70S. CHANCE OF RAIN 20 PERCENT.  
 
 
 
WYZ009-202215-  
BIGHORN MOUNTAINS SOUTHEAST-  
301 PM MDT THU AUG 20 2026  
   
THIS AFTERNOON  
SUNNY. NEAR STEADY TEMPERATURE IN THE UPPER  
70S. NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTH WINDS  
10 TO 15 MPH, BECOMING WEST AFTER MIDNIGHT.    
FRIDAY  
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. PATCHY  
SMOKE IN THE AFTERNOON. HIGHS AROUND 80. WEST WINDS AROUND  
10 MPH, BECOMING NORTH IN THE AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST  
WINDS 10 TO 15 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.    
SATURDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S.  
SOUTH WINDS AROUND 10 MPH. CHANCE OF RAIN 30 PERCENT.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY  
AFTER MIDNIGHT. LOWS IN THE UPPER 50S. CHANCE OF RAIN 30 PERCENT.   
SUNDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 70S. CHANCE OF RAIN 50 PERCENT.   
SUNDAY NIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT.  
LOWS IN THE MID 50S. CHANCE OF RAIN 20 PERCENT.    
MONDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE  
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S. CHANCE  
OF RAIN 30 PERCENT.    
MONDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S.  
CHANCE OF RAIN 30 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH A  
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE LOWER 70S. CHANCE OF RAIN 40 PERCENT.    
TUESDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S. CHANCE OF  
RAIN 20 PERCENT.    
WEDNESDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S.  
CHANCE OF RAIN 30 PERCENT.  
 
 
 
WYZ012-202215-  
TETON AND GROS VENTRE MOUNTAINS-  
301 PM MDT THU AUG 20 2026  
   
THIS AFTERNOON  
MOSTLY SUNNY. NEAR STEADY TEMPERATURE IN THE  
MID 70S. WEST WINDS 10 TO 15 MPH.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 50S. WEST WINDS  
AROUND 10 MPH, BECOMING SOUTH AFTER MIDNIGHT.    
FRIDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 10 MPH IN THE  
AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTHEAST WINDS AROUND  
10 MPH.    
SATURDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S. SOUTHEAST  
WINDS AROUND 10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON. CHANCE  
OF RAIN 40 PERCENT.    
SATURDAY NIGHT  
PARTLY CLOUDY. SHOWERS LIKELY WITH A CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS AROUND 50. CHANCE OF RAIN  
60 PERCENT.    
SUNDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING, THEN  
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
HIGHS IN THE UPPER 60S. CHANCE OF RAIN 60 PERCENT.    
SUNDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S.  
CHANCE OF RAIN 30 PERCENT.    
MONDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 60S. CHANCE OF RAIN 50 PERCENT.   
MONDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY  
AFTER MIDNIGHT. LOWS IN THE MID 40S. CHANCE OF RAIN 40 PERCENT.    
TUESDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S. CHANCE OF  
RAIN 20 PERCENT.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 40S.    
WEDNESDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S. CHANCE OF  
RAIN 20 PERCENT.  
 
 
 
WYZ014-202215-  
WIND RIVER MOUNTAINS WEST-  
301 PM MDT THU AUG 20 2026  
   
THIS AFTERNOON  
MOSTLY SUNNY. NEAR STEADY TEMPERATURE IN THE  
LOWER 70S. WEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHWEST WINDS  
10 TO 15 MPH IN THE EVENING.    
FRIDAY  
PARTLY CLOUDY. HIGHS IN THE MID 70S. WEST WINDS AROUND  
10 MPH.    
FRIDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY  
AFTER MIDNIGHT. LOWS IN THE LOWER 50S. NORTHEAST WINDS AROUND  
10 MPH. CHANCE OF RAIN 30 PERCENT.    
SATURDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 70. SOUTH WINDS  
AROUND 10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON. CHANCE OF  
RAIN 50 PERCENT.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE UPPER 40S. CHANCE OF RAIN 30 PERCENT.    
SUNDAY  
PARTLY CLOUDY. SHOWERS LIKELY WITH A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. BREEZY WITH HIGHS IN THE UPPER  
60S. CHANCE OF RAIN 70 PERCENT.    
SUNDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S. CHANCE OF  
RAIN 20 PERCENT.    
MONDAY  
PARTLY CLOUDY. SHOWERS LIKELY WITH A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 60S. CHANCE OF  
RAIN 60 PERCENT.    
MONDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 40S.  
CHANCE OF RAIN 30 PERCENT.    
TUESDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE MID 60S. CHANCE OF RAIN  
30 PERCENT.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 40S.    
WEDNESDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 60S. CHANCE OF RAIN  
30 PERCENT.  
 
 
 
WYZ015-202215-  
WIND RIVER MOUNTAINS EAST-  
301 PM MDT THU AUG 20 2026  
   
THIS AFTERNOON  
MOSTLY SUNNY. NEAR STEADY TEMPERATURE IN THE  
LOWER 70S. WEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 30 MPH.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 50S. WEST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 25 MPH.    
FRIDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE MID  
70S. WEST WINDS AROUND 10 MPH, BECOMING NORTHWEST IN THE  
AFTERNOON.    
FRIDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 50S. WEST  
WINDS AROUND 10 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT. CHANCE OF  
RAIN 30 PERCENT.    
SATURDAY  
MOSTLY CLOUDY. SHOWERS LIKELY WITH A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S. SOUTHWEST  
WINDS 10 TO 15 MPH. CHANCE OF RAIN 60 PERCENT.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE LOWER 50S. CHANCE OF RAIN 30 PERCENT.    
SUNDAY  
PARTLY CLOUDY. SHOWERS LIKELY WITH A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. BREEZY WITH HIGHS IN THE UPPER  
60S. CHANCE OF RAIN 60 PERCENT.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S.    
MONDAY  
PARTLY CLOUDY. SHOWERS LIKELY WITH A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 60S. CHANCE OF  
RAIN 60 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS WITH A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY  
AFTER MIDNIGHT. LOWS IN THE MID 40S. CHANCE OF RAIN 30 PERCENT.    
TUESDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE MID 60S. CHANCE OF RAIN  
40 PERCENT.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 40S.    
WEDNESDAY  
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 60S. CHANCE OF  
RAIN 30 PERCENT.  
 
 
 
WYZ019-202215-  
GREEN MOUNTAINS AND RATTLESNAKE RANGE-  
INCLUDING THE CITY OF JEFFREY CITY  
301 PM MDT THU AUG 20 2026  
   
THIS AFTERNOON  
SUNNY. NEAR STEADY TEMPERATURE IN THE UPPER  
80S. WEST WINDS 10 TO 15 MPH.    
TONIGHT  
PARTLY CLOUDY. LOWS AROUND 60. WEST WINDS AROUND  
10 MPH IN THE EVENING.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS  
AROUND 10 MPH, BECOMING NORTHWEST IN THE AFTERNOON.    
FRIDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHEAST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 25 MPH.    
SATURDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE MID  
80S. SOUTHWEST WINDS AROUND 10 MPH IN THE AFTERNOON.    
SATURDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS WITH A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER  
50S. CHANCE OF RAIN 30 PERCENT.    
SUNDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF. BREEZY WITH HIGHS IN  
THE LOWER 80S.    
SUNDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 50S. CHANCE OF  
RAIN 20 PERCENT.    
MONDAY  
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
HIGHS IN THE LOWER 80S. CHANCE OF RAIN 20 PERCENT.    
MONDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 50S.  
CHANCE OF RAIN 30 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
HIGHS AROUND 80. CHANCE OF RAIN 20 PERCENT.    
TUESDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 50S. CHANCE OF RAIN  
20 PERCENT.    
WEDNESDAY  
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH  
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
HIGHS AROUND 80. CHANCE OF RAIN 20 PERCENT.  
 
 
 
WYZ024-202215-  
SALT RIVER AND WYOMING RANGES-  
301 PM MDT THU AUG 20 2026  
   
THIS AFTERNOON  
MOSTLY SUNNY. NEAR STEADY TEMPERATURE IN THE  
UPPER 70S. WEST WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE MID 50S. WEST WINDS AROUND  
10 MPH IN THE EVENING.    
FRIDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 10 MPH IN THE  
AFTERNOON.    
FRIDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS AFTER  
MIDNIGHT. LOWS IN THE UPPER 50S. NORTHEAST WINDS AROUND 10 MPH,  
BECOMING SOUTHEAST AFTER MIDNIGHT. CHANCE OF RAIN 30 PERCENT.    
SATURDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S. SOUTHEAST  
WINDS AROUND 10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON. CHANCE  
OF RAIN 40 PERCENT.    
SATURDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING, THEN A SLIGHT CHANCE OF SHOWERS  
AFTER MIDNIGHT. LOWS IN THE LOWER 50S. CHANCE OF RAIN 40 PERCENT.   
SUNDAY  
PARTLY CLOUDY. SHOWERS LIKELY WITH A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S. CHANCE OF  
RAIN 60 PERCENT.    
SUNDAY NIGHT  
PARTLY CLOUDY. A CHANCE OF SHOWERS WITH A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S.  
CHANCE OF RAIN 30 PERCENT.    
MONDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE LOWER 70S. CHANCE OF RAIN 40 PERCENT.   
MONDAY NIGHT  
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS. LOWS IN THE UPPER  
40S. CHANCE OF RAIN 20 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH A  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS IN  
THE LOWER 70S. CHANCE OF RAIN 30 PERCENT.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S.    
WEDNESDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S. CHANCE OF  
RAIN 20 PERCENT.  
 
 
 
WYZ030-202215-  
EAST SWEETWATER COUNTY-  
INCLUDING THE CITY OF WAMSUTTER  
301 PM MDT THU AUG 20 2026  
   
THIS AFTERNOON  
MOSTLY SUNNY. NEAR STEADY TEMPERATURE IN THE  
UPPER 80S. WEST WINDS AROUND 10 MPH.    
TONIGHT  
PARTLY CLOUDY. LOWS AROUND 60. WEST WINDS AROUND  
10 MPH WITH GUSTS UP TO 20 MPH IN THE EVENING.    
FRIDAY  
MOSTLY SUNNY. HIGHS AROUND 90.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTH WINDS  
AROUND 10 MPH.    
SATURDAY  
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE MID 80S. WEST WINDS  
AROUND 10 MPH IN THE AFTERNOON.    
SATURDAY NIGHT  
MOSTLY CLOUDY. A CHANCE OF SHOWERS WITH A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER  
50S. CHANCE OF RAIN 30 PERCENT.    
SUNDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE MID 80S. CHANCE OF RAIN 30 PERCENT.    
SUNDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE MID 50S.    
MONDAY  
MOSTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH A  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS IN  
THE LOWER 80S. CHANCE OF RAIN 30 PERCENT.    
MONDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S. CHANCE OF  
RAIN 20 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A SLIGHT  
CHANCE OF. HIGHS AROUND 80.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 50S.    
WEDNESDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S. CHANCE OF  
RAIN 20 PERCENT.  
 
 
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