520  
FPUS55 KRIW 020040  
ZFPRIW  
 
ZONE FORECAST PRODUCT FOR WESTERN AND CENTRAL WYOMING  
NATIONAL WEATHER SERVICE RIVERTON WY  
639 PM MDT THU MAY 1 2025  
 
WYZ020-021000-  
NATRONA COUNTY LOWER ELEVATIONS-  
INCLUDING THE CITY OF CASPER  
639 PM MDT THU MAY 1 2025  
   
TONIGHT
 
PARTLY CLOUDY WITH SCATTERED RAIN SHOWERS THIS  
EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. BREEZY WITH LOWS IN  
THE LOWER 30S. NORTH WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH  
THIS EVENING. CHANCE OF RAIN 30 PERCENT.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 60S. WEST WINDS AROUND  
10 MPH.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40. SOUTHWEST WINDS  
AROUND 10 MPH.    
SATURDAY
 
SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS AROUND  
10 MPH WITH GUSTS UP TO 20 MPH.    
SATURDAY NIGHT
 
CLEAR. LOWS AROUND 40. EAST WINDS AROUND  
10 MPH, BECOMING SOUTH AFTER MIDNIGHT.    
SUNDAY
 
MOSTLY SUNNY. ISOLATED SHOWERS IN THE AFTERNOON. BREEZY  
WITH HIGHS IN THE MID 70S. CHANCE OF RAIN 20 PERCENT.    
SUNDAY NIGHT
 
PARTLY CLOUDY. SCATTERED SHOWERS IN THE EVENING.  
LOWS IN THE LOWER 40S. CHANCE OF RAIN 30 PERCENT.    
MONDAY
 
PARTLY CLOUDY WITH SCATTERED SHOWERS IN THE MORNING,  
THEN MOSTLY CLOUDY WITH NUMEROUS SHOWERS AND SCATTERED  
THUNDERSTORMS IN THE AFTERNOON. WINDY, COOLER WITH HIGHS IN THE  
MID 50S. CHANCE OF RAIN 70 PERCENT.    
MONDAY NIGHT
 
RAIN SHOWERS. WINDY WITH LOWS IN THE MID 30S.  
CHANCE OF RAIN 80 PERCENT.    
TUESDAY
 
NUMEROUS SNOW SHOWERS IN THE MORNING. MOSTLY CLOUDY  
WITH NUMEROUS RAIN SHOWERS. LITTLE OR NO SNOW ACCUMULATION.  
BREEZY WITH HIGHS IN THE UPPER 40S. CHANCE OF PRECIPITATION  
60 PERCENT.    
TUESDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS IN THE MID 30S.  
CHANCE OF RAIN 30 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY WITH SCATTERED RAIN SHOWERS. HIGHS IN  
THE LOWER 60S. CHANCE OF RAIN 30 PERCENT.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S.    
THURSDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.  
 

 
 
WYZ017-021000-  
WIND RIVER BASIN-  
INCLUDING THE CITIES OF RIVERTON AND SHOSHONI  
639 PM MDT THU MAY 1 2025  
   
TONIGHT
 
MOSTLY CLEAR AND BREEZY. LOWS IN THE LOWER 30S.  
NORTHEAST WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH THIS  
EVENING.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS  
AROUND 10 MPH IN THE AFTERNOON.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. EAST WINDS  
AROUND 10 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.    
SATURDAY
 
SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND  
10 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.    
SATURDAY NIGHT
 
CLEAR. LOWS IN THE LOWER 40S. EAST WINDS AROUND  
10 MPH, BECOMING SOUTH AFTER MIDNIGHT.    
SUNDAY
 
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH  
ISOLATED SHOWERS IN THE AFTERNOON. HIGHS IN THE MID 70S. CHANCE  
OF RAIN 20 PERCENT.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH SCATTERED SHOWERS. LOWS IN THE  
MID 40S. CHANCE OF RAIN 30 PERCENT.    
MONDAY
 
PARTLY CLOUDY WITH SCATTERED SHOWERS IN THE MORNING,  
THEN MOSTLY CLOUDY WITH NUMEROUS SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. BREEZY, COOLER WITH HIGHS IN THE  
MID 50S. CHANCE OF RAIN 60 PERCENT.    
MONDAY NIGHT
 
RAIN SHOWERS. BREEZY WITH LOWS IN THE MID 30S.  
CHANCE OF RAIN 80 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY WITH NUMEROUS RAIN AND SNOW SHOWERS IN  
THE MORNING, THEN PARTLY CLOUDY WITH SCATTERED RAIN SHOWERS IN  
THE AFTERNOON. LITTLE OR NO SNOW ACCUMULATION. HIGHS IN THE LOWER  
50S. CHANCE OF PRECIPITATION 60 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS, MAINLY IN  
THE EVENING. LOWS IN THE MID 30S. CHANCE OF RAIN 30 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS  
IN THE MID 60S.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S.    
THURSDAY
 
MOSTLY SUNNY. HIGHS AROUND 70.  
 

 
 
WYZ018-021000-  
LANDER FOOTHILLS-  
INCLUDING THE CITY OF LANDER  
639 PM MDT THU MAY 1 2025  
   
TONIGHT
 
PARTLY CLOUDY THIS EVENING, THEN CLEARING. LOWS IN THE  
MID 30S. NORTH WINDS 10 TO 15 MPH THIS EVENING.    
FRIDAY
 
SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS AROUND  
10 MPH IN THE AFTERNOON.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40. SOUTHWEST WINDS  
AROUND 10 MPH.    
SATURDAY
 
SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND  
10 MPH, BECOMING EAST IN THE AFTERNOON.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. SOUTH  
WINDS AROUND 10 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.    
SUNDAY
 
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH  
SCATTERED SHOWERS IN THE AFTERNOON. HIGHS IN THE MID 70S. CHANCE  
OF RAIN 30 PERCENT.    
SUNDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. SCATTERED SHOWERS. LOWS IN THE LOWER 40S. CHANCE  
OF RAIN 40 PERCENT.    
MONDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS IN THE MORNING, THEN  
NUMEROUS SHOWERS IN THE AFTERNOON. BREEZY, COOLER WITH HIGHS IN  
THE LOWER 50S. CHANCE OF RAIN 70 PERCENT.    
MONDAY NIGHT
 
RAIN SHOWERS. BREEZY WITH LOWS IN THE MID 30S.  
CHANCE OF RAIN 80 PERCENT.    
TUESDAY
 
CLOUDY WITH NUMEROUS RAIN AND SNOW SHOWERS IN THE  
MORNING, THEN PARTLY CLOUDY WITH SCATTERED RAIN SHOWERS IN THE  
AFTERNOON. LITTLE OR NO SNOW ACCUMULATION. HIGHS AROUND 50.  
CHANCE OF PRECIPITATION 60 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY. SCATTERED SHOWERS, MAINLY IN THE  
EVENING. LOWS IN THE MID 30S. CHANCE OF RAIN 30 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING.  
ISOLATED SHOWERS. HIGHS IN THE LOWER 60S. CHANCE OF RAIN  
20 PERCENT.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40.    
THURSDAY
 
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS AROUND 70. CHANCE OF RAIN 20 PERCENT.  
 

 
 
WYZ028-021000-  
ROCK SPRINGS AND GREEN RIVER-  
INCLUDING THE CITIES OF ROCK SPRINGS AND GREEN RIVER  
639 PM MDT THU MAY 1 2025  
   
TONIGHT
 
MOSTLY CLEAR. LOWS AROUND 30. NORTH WINDS 10 TO  
15 MPH, BECOMING EAST AFTER MIDNIGHT.    
FRIDAY
 
SUNNY. HIGHS IN THE MID 60S. EAST WINDS AROUND 10 MPH  
IN THE AFTERNOON.    
FRIDAY NIGHT
 
CLEAR. LOWS IN THE UPPER 30S. SOUTHEAST WINDS  
AROUND 10 MPH IN THE EVENING.    
SATURDAY
 
SUNNY. HIGHS IN THE LOWER 70S. SOUTH WINDS AROUND  
10 MPH WITH GUSTS UP TO 20 MPH IN THE AFTERNOON.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. SOUTHEAST  
WINDS AROUND 10 MPH.    
SUNDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS IN THE AFTERNOON.  
HIGHS AROUND 70. CHANCE OF RAIN 30 PERCENT.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS. LOWS IN THE  
LOWER 40S. CHANCE OF RAIN 30 PERCENT.    
MONDAY
 
PARTLY CLOUDY WITH SCATTERED SHOWERS IN THE MORNING,  
THEN MOSTLY CLOUDY WITH SHOWERS AND SCATTERED THUNDERSTORMS IN  
THE AFTERNOON. BREEZY WITH HIGHS AROUND 60. CHANCE OF RAIN  
80 PERCENT.    
MONDAY NIGHT
 
MOSTLY CLOUDY. NUMEROUS RAIN SHOWERS WITH  
ISOLATED THUNDERSTORMS IN THE EVENING, THEN NUMEROUS RAIN AND  
SNOW SHOWERS AFTER MIDNIGHT. LITTLE OR NO SNOW ACCUMULATION.  
BREEZY WITH LOWS IN THE MID 30S. CHANCE OF PRECIPITATION  
70 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY WITH NUMEROUS RAIN AND SNOW SHOWERS IN  
THE MORNING, THEN PARTLY CLOUDY WITH SCATTERED RAIN SHOWERS IN  
THE AFTERNOON. LITTLE OR NO SNOW ACCUMULATION. BREEZY WITH HIGHS  
IN THE LOWER 50S. CHANCE OF PRECIPITATION 60 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE  
EVENING. LOWS IN THE MID 30S. CHANCE OF RAIN 20 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS  
IN THE LOWER 60S.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE UPPER 30S.    
THURSDAY
 
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS IN  
THE AFTERNOON. HIGHS AROUND 70. CHANCE OF RAIN 20 PERCENT.  
 

 
 
WYZ013-021000-  
JACKSON HOLE-  
INCLUDING THE CITY OF JACKSON  
639 PM MDT THU MAY 1 2025  
   
TONIGHT
 
CLEAR. LOWS AROUND 30. NORTH WINDS AROUND 10 MPH WITH  
GUSTS UP TO 20 MPH THIS EVENING.    
FRIDAY
 
MOSTLY SUNNY. HIGHS AROUND 60.    
FRIDAY NIGHT
 
CLEAR. LOWS IN THE LOWER 30S.    
SATURDAY
 
SUNNY. HIGHS IN THE MID 60S.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. EAST WINDS  
AROUND 10 MPH.    
SUNDAY
 
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH  
SCATTERED RAIN SHOWERS IN THE AFTERNOON. HIGHS IN THE UPPER 60S.  
CHANCE OF RAIN 50 PERCENT.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH SCATTERED RAIN SHOWERS IN THE  
EVENING, THEN PARTLY CLOUDY WITH ISOLATED RAIN SHOWERS AFTER  
MIDNIGHT. LOWS IN THE UPPER 30S. CHANCE OF RAIN 50 PERCENT.    
MONDAY
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS IN THE MORNING,  
THEN NUMEROUS RAIN SHOWERS AND SCATTERED THUNDERSTORMS IN THE  
AFTERNOON. HIGHS AROUND 60. CHANCE OF RAIN 60 PERCENT.    
MONDAY NIGHT
 
PARTLY CLOUDY WITH SCATTERED RAIN SHOWERS.  
SCATTERED SNOW SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 30S.  
CHANCE OF PRECIPITATION 40 PERCENT.    
TUESDAY
 
SCATTERED SNOW SHOWERS IN THE MORNING. PARTLY CLOUDY  
WITH SCATTERED RAIN SHOWERS. HIGHS AROUND 60. CHANCE OF  
PRECIPITATION 30 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE LOWER 30S.    
WEDNESDAY
 
MOSTLY SUNNY. ISOLATED RAIN SHOWERS IN THE  
AFTERNOON. HIGHS IN THE MID 60S. CHANCE OF RAIN 20 PERCENT.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S.    
THURSDAY
 
MOSTLY SUNNY. SCATTERED RAIN SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 60S. CHANCE OF  
RAIN 30 PERCENT.  
 

 
 
WYZ003-021000-  
CODY FOOTHILLS-  
INCLUDING THE CITIES OF CLARK, CODY, AND MEETEETSE  
639 PM MDT THU MAY 1 2025  
   
TONIGHT
 
MOSTLY CLEAR AND BREEZY. LOWS IN THE MID 30S. NORTH  
WINDS 20 TO 25 MPH WITH GUSTS UP TO 35 MPH, BECOMING SOUTHWEST  
AROUND 10 MPH AFTER MIDNIGHT.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTH WINDS AROUND  
10 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S. SOUTH WINDS  
10 TO 15 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.    
SATURDAY
 
SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS 10 TO  
15 MPH, BECOMING SOUTHEAST WITH GUSTS UP TO 30 MPH IN THE  
AFTERNOON.    
SATURDAY NIGHT
 
CLEAR. LOWS IN THE MID 40S. SOUTHEAST WINDS  
10 TO 15 MPH WITH GUSTS UP TO 25 MPH, BECOMING SOUTHWEST AFTER  
MIDNIGHT.    
SUNDAY
 
MOSTLY SUNNY. ISOLATED SHOWERS IN THE AFTERNOON. BREEZY  
WITH HIGHS IN THE MID 70S. CHANCE OF RAIN 20 PERCENT.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH SCATTERED SHOWERS. BREEZY WITH  
LOWS IN THE LOWER 40S. CHANCE OF RAIN 40 PERCENT.    
MONDAY
 
MOSTLY CLOUDY WITH NUMEROUS RAIN SHOWERS. WINDY AND  
MUCH COOLER WITH HIGHS IN THE UPPER 40S. CHANCE OF RAIN  
60 PERCENT.    
MONDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. BREEZY WITH LOWS  
IN THE MID 30S. CHANCE OF PRECIPITATION 40 PERCENT.    
TUESDAY
 
PARTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS IN THE  
MORNING. HIGHS IN THE MID 50S. CHANCE OF PRECIPITATION  
30 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS AROUND 40.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.    
THURSDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.  
 

 
 
WYZ004-021000-  
NORTH BIGHORN BASIN-  
INCLUDING THE CITIES OF BASIN, GREYBULL, LOVELL, POWELL,  
AND SHELL  
639 PM MDT THU MAY 1 2025  
   
TONIGHT
 
MOSTLY CLEAR AND BREEZY. LOWS IN THE UPPER 30S. NORTH  
WINDS 20 TO 25 MPH WITH GUSTS UP TO 40 MPH THIS EVENING.    
FRIDAY
 
MOSTLY SUNNY. HIGHS AROUND 70. SOUTHEAST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 25 MPH.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. SOUTHEAST  
WINDS 10 TO 15 MPH.    
SATURDAY
 
SUNNY. HIGHS IN THE UPPER 70S. SOUTHEAST WINDS 10 TO  
15 MPH.    
SATURDAY NIGHT
 
CLEAR. LOWS IN THE MID 40S. SOUTHEAST WINDS  
10 TO 15 MPH.    
SUNDAY
 
MOSTLY SUNNY AND BREEZY. HIGHS AROUND 80.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH SCATTERED SHOWERS. BREEZY WITH  
LOWS IN THE MID 40S. CHANCE OF RAIN 30 PERCENT.    
MONDAY
 
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
CLOUDY. NUMEROUS SHOWERS. WINDY AND MUCH COOLER WITH HIGHS IN THE  
MID 50S. CHANCE OF RAIN 60 PERCENT.    
MONDAY NIGHT
 
MOSTLY CLOUDY WITH NUMEROUS RAIN SHOWERS IN THE  
EVENING, THEN PARTLY CLOUDY WITH SCATTERED RAIN SHOWERS AFTER  
MIDNIGHT. WINDY WITH LOWS IN THE UPPER 30S. CHANCE OF RAIN  
60 PERCENT.    
TUESDAY
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS IN THE MORNING.  
HIGHS AROUND 60. CHANCE OF RAIN 30 PERCENT.    
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS AROUND 70.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S.    
THURSDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 70S.  
 

 
 
WYZ006-021000-  
SOUTHEAST BIGHORN BASIN-  
INCLUDING THE CITIES OF TEN SLEEP AND WORLAND  
639 PM MDT THU MAY 1 2025  
   
TONIGHT
 
CLEAR, BREEZY WITH LOWS IN THE MID 30S. NORTH WINDS  
15 TO 20 MPH WITH GUSTS UP TO 35 MPH THIS EVENING.    
FRIDAY
 
MOSTLY SUNNY. HIGHS AROUND 70. SOUTHEAST WINDS AROUND  
10 MPH IN THE AFTERNOON.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. SOUTHEAST  
WINDS AROUND 10 MPH.    
SATURDAY
 
SUNNY. HIGHS IN THE MID 70S. SOUTH WINDS AROUND  
10 MPH.    
SATURDAY NIGHT
 
CLEAR. LOWS IN THE MID 40S. SOUTHEAST WINDS  
10 TO 15 MPH.    
SUNDAY
 
MOSTLY SUNNY. HIGHS AROUND 80.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH SCATTERED SHOWERS. BREEZY WITH  
LOWS IN THE MID 40S. CHANCE OF RAIN 30 PERCENT.    
MONDAY
 
PARTLY CLOUDY WITH SCATTERED SHOWERS IN THE MORNING,  
THEN MOSTLY CLOUDY WITH NUMEROUS SHOWERS IN THE AFTERNOON.  
BREEZY, COOLER WITH HIGHS IN THE UPPER 50S. CHANCE OF RAIN  
60 PERCENT.    
MONDAY NIGHT
 
NUMEROUS RAIN SHOWERS. BREEZY WITH LOWS IN THE  
UPPER 30S. CHANCE OF RAIN 60 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. SCATTERED RAIN SHOWERS. HIGHS IN THE UPPER 50S. CHANCE OF  
RAIN 40 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS IN THE  
EVENING. LOWS AROUND 40. CHANCE OF RAIN 30 PERCENT.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS AROUND 70.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.    
THURSDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 70S.  
 

 
 
WYZ005-021000-  
SOUTHWEST BIGHORN BASIN-  
INCLUDING THE CITY OF THERMOPOLIS  
639 PM MDT THU MAY 1 2025  
   
TONIGHT
 
MOSTLY CLEAR AND BREEZY. LOWS IN THE MID 30S. NORTH  
WINDS 20 TO 25 MPH THIS EVENING.    
FRIDAY
 
MOSTLY SUNNY. HIGHS AROUND 70. SOUTH WINDS AROUND  
10 MPH.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. SOUTHEAST  
WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH, BECOMING SOUTHWEST  
AFTER MIDNIGHT.    
SATURDAY
 
SUNNY. HIGHS IN THE MID 70S. SOUTH WINDS AROUND  
10 MPH, BECOMING SOUTHEAST WITH GUSTS UP TO 20 MPH IN THE  
AFTERNOON.    
SATURDAY NIGHT
 
CLEAR. LOWS IN THE MID 40S. EAST WINDS AROUND  
10 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.    
SUNDAY
 
MOSTLY SUNNY. HIGHS AROUND 80.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH SCATTERED SHOWERS. BREEZY WITH  
LOWS IN THE MID 40S. CHANCE OF RAIN 40 PERCENT.    
MONDAY
 
PARTLY CLOUDY WITH SCATTERED SHOWERS IN THE MORNING,  
THEN MOSTLY CLOUDY WITH NUMEROUS SHOWERS IN THE AFTERNOON. WINDY  
AND MUCH COOLER WITH HIGHS IN THE MID 50S. CHANCE OF RAIN  
60 PERCENT.    
MONDAY NIGHT
 
NUMEROUS RAIN SHOWERS. WINDY WITH LOWS IN THE MID  
30S. CHANCE OF RAIN 70 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. SCATTERED RAIN SHOWERS. HIGHS IN THE MID 50S. CHANCE OF  
RAIN 50 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY WITH ISOLATED RAIN SHOWERS. LOWS  
AROUND 40. CHANCE OF RAIN 20 PERCENT.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.    
THURSDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 70S.  
 

 
 
WYZ023-021000-  
STAR VALLEY-  
INCLUDING THE CITIES OF AFTON, ALPINE, STAR VALLEY RANCH,  
AND THAYNE  
639 PM MDT THU MAY 1 2025  
   
TONIGHT
 
CLEAR. LOWS IN THE LOWER 30S.    
FRIDAY
 
SUNNY. HIGHS IN THE MID 60S.    
FRIDAY NIGHT
 
CLEAR. LOWS IN THE MID 30S.    
SATURDAY
 
SUNNY. HIGHS AROUND 70.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40.    
SUNDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS IN THE MORNING, THEN  
NUMEROUS SHOWERS IN THE AFTERNOON. HIGHS IN THE UPPER 60S. CHANCE  
OF RAIN 60 PERCENT.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. NUMEROUS SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE EVENING, THEN SCATTERED SHOWERS AFTER  
MIDNIGHT. LOWS AROUND 40. CHANCE OF RAIN 60 PERCENT.    
MONDAY
 
PARTLY CLOUDY WITH SCATTERED SHOWERS IN THE MORNING,  
THEN MOSTLY CLOUDY WITH SHOWERS AND SCATTERED THUNDERSTORMS IN  
THE AFTERNOON. HIGHS AROUND 60. CHANCE OF RAIN 80 PERCENT.    
MONDAY NIGHT
 
MOSTLY CLOUDY. NUMEROUS SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE EVENING, THEN SCATTERED SHOWERS AFTER  
MIDNIGHT. LOWS IN THE UPPER 30S. CHANCE OF RAIN 60 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. SCATTERED SHOWERS. ISOLATED THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE UPPER 50S. CHANCE OF RAIN 40 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE  
EVENING. LOWS IN THE MID 30S. CHANCE OF RAIN 20 PERCENT.    
WEDNESDAY
 
MOSTLY SUNNY. ISOLATED RAIN SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 60S. CHANCE OF  
RAIN 20 PERCENT.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. ISOLATED SHOWERS IN THE EVENING.  
LOWS AROUND 40. CHANCE OF RAIN 20 PERCENT.    
THURSDAY
 
MOSTLY SUNNY. SCATTERED SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S. CHANCE OF  
RAIN 30 PERCENT.  
 

 
 
WYZ025-021000-  
UPPER GREEN RIVER BASIN FOOTHILLS-  
INCLUDING THE CITY OF PINEDALE  
639 PM MDT THU MAY 1 2025  
   
TONIGHT
 
CLEAR. LOWS AROUND 30. NORTH WINDS AROUND 10 MPH WITH  
GUSTS UP TO 20 MPH THIS EVENING.    
FRIDAY
 
SUNNY. HIGHS AROUND 60.    
FRIDAY NIGHT
 
CLEAR. LOWS IN THE LOWER 30S.    
SATURDAY
 
SUNNY. HIGHS IN THE MID 60S.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. EAST WINDS  
AROUND 10 MPH.    
SUNDAY
 
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH  
SCATTERED RAIN SHOWERS IN THE AFTERNOON. HIGHS IN THE MID 60S.  
CHANCE OF RAIN 30 PERCENT.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH SCATTERED RAIN SHOWERS IN THE  
EVENING, THEN PARTLY CLOUDY WITH ISOLATED RAIN SHOWERS AFTER  
MIDNIGHT. LOWS IN THE MID 30S. CHANCE OF RAIN 30 PERCENT.    
MONDAY
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS IN THE MORNING,  
THEN NUMEROUS RAIN SHOWERS WITH ISOLATED THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE UPPER 50S. CHANCE OF RAIN 60 PERCENT.    
MONDAY NIGHT
 
PARTLY CLOUDY. NUMEROUS RAIN SHOWERS IN THE  
EVENING, THEN SCATTERED RAIN AND SNOW SHOWERS AFTER MIDNIGHT.  
LITTLE OR NO SNOW ACCUMULATION. LOWS IN THE LOWER 30S. CHANCE OF  
PRECIPITATION 60 PERCENT.    
TUESDAY
 
SCATTERED SNOW SHOWERS IN THE MORNING. PARTLY CLOUDY  
WITH SCATTERED RAIN SHOWERS. HIGHS IN THE MID 50S. CHANCE OF  
PRECIPITATION 40 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 30.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS AROUND 60.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE LOWER 30S.    
THURSDAY
 
MOSTLY SUNNY. ISOLATED RAIN SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE MID 60S. CHANCE OF RAIN  
20 PERCENT.  
 

 
 
WYZ026-021000-  
UPPER GREEN RIVER BASIN-  
INCLUDING THE CITIES OF LA BARGE, BIG PINEY, AND FARSON  
639 PM MDT THU MAY 1 2025  
   
TONIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 20S. NORTHEAST WINDS  
10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
FRIDAY
 
SUNNY. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS AROUND  
10 MPH IN THE AFTERNOON.    
FRIDAY NIGHT
 
CLEAR. LOWS IN THE LOWER 30S. WEST WINDS AROUND  
10 MPH IN THE EVENING.    
SATURDAY
 
SUNNY. HIGHS AROUND 70. SOUTHWEST WINDS AROUND 10 MPH  
IN THE AFTERNOON.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40. SOUTHEAST WINDS  
AROUND 10 MPH, BECOMING EAST AFTER MIDNIGHT.    
SUNDAY
 
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH  
SCATTERED RAIN SHOWERS IN THE AFTERNOON. HIGHS AROUND 70. CHANCE  
OF RAIN 30 PERCENT.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH SCATTERED RAIN SHOWERS IN THE  
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS AROUND 40.  
CHANCE OF RAIN 30 PERCENT.    
MONDAY
 
PARTLY CLOUDY WITH SCATTERED RAIN SHOWERS IN THE  
MORNING, THEN MOSTLY CLOUDY WITH NUMEROUS RAIN SHOWERS AND  
SCATTERED THUNDERSTORMS IN THE AFTERNOON. BREEZY WITH HIGHS  
AROUND 60. CHANCE OF RAIN 60 PERCENT.    
MONDAY NIGHT
 
ISOLATED THUNDERSTORMS IN THE EVENING. MOSTLY  
CLOUDY WITH NUMEROUS RAIN SHOWERS. BREEZY WITH LOWS IN THE MID  
30S. CHANCE OF RAIN 60 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. SCATTERED RAIN SHOWERS. SCATTERED SNOW SHOWERS IN THE  
MORNING, THEN ISOLATED THUNDERSTORMS IN THE AFTERNOON. BREEZY  
WITH HIGHS IN THE MID 50S. CHANCE OF PRECIPITATION 40 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 30S.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 60S.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S.    
THURSDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.  
 

 
 
WYZ010-021000-  
NORTHEAST JOHNSON COUNTY-  
INCLUDING THE CITY OF BUFFALO  
639 PM MDT THU MAY 1 2025  
   
TONIGHT
 
MOSTLY CLEAR. SCATTERED RAIN SHOWERS THIS EVENING.  
BREEZY WITH LOWS IN THE LOWER 30S. NORTHWEST WINDS 20 TO 25 MPH  
WITH GUSTS UP TO 40 MPH, BECOMING WEST AROUND 10 MPH AFTER  
MIDNIGHT. CHANCE OF RAIN 30 PERCENT.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS  
AROUND 10 MPH, BECOMING SOUTHEAST WITH GUSTS UP TO 20 MPH IN THE  
AFTERNOON.    
FRIDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
AROUND 40. SOUTHEAST WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH,  
BECOMING SOUTHWEST AFTER MIDNIGHT.    
SATURDAY
 
SUNNY. HIGHS IN THE MID 70S. SOUTH WINDS AROUND  
10 MPH, BECOMING SOUTHEAST WITH GUSTS UP TO 20 MPH IN THE  
AFTERNOON.    
SATURDAY NIGHT
 
CLEAR. LOWS IN THE MID 40S. SOUTHEAST WINDS  
10 TO 15 MPH, BECOMING SOUTH AFTER MIDNIGHT.    
SUNDAY
 
MOSTLY SUNNY AND BREEZY. HIGHS AROUND 80.    
SUNDAY NIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS IN THE MID 40S.    
MONDAY
 
PARTLY CLOUDY WITH SCATTERED SHOWERS IN THE MORNING,  
THEN MOSTLY CLOUDY WITH NUMEROUS SHOWERS IN THE AFTERNOON. WINDY  
AND MUCH COOLER WITH HIGHS IN THE LOWER 50S. CHANCE OF RAIN  
60 PERCENT.    
MONDAY NIGHT
 
MOSTLY CLOUDY. NUMEROUS RAIN SHOWERS, MAINLY IN  
THE EVENING. BREEZY WITH LOWS IN THE MID 30S. CHANCE OF RAIN  
60 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. SCATTERED RAIN SHOWERS. HIGHS IN THE MID 50S. CHANCE OF  
RAIN 40 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY WITH ISOLATED SHOWERS. LOWS IN THE  
UPPER 30S. CHANCE OF RAIN 20 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS  
IN THE MID 60S.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S.    
THURSDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.  
 

 
 
WYZ011-021000-  
SOUTHEAST JOHNSON COUNTY-  
INCLUDING THE CITY OF KAYCEE  
639 PM MDT THU MAY 1 2025  
   
TONIGHT
 
PARTLY CLOUDY WITH SCATTERED RAIN SHOWERS THIS  
EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. BREEZY WITH LOWS IN  
THE LOWER 30S. NORTHWEST WINDS 15 TO 20 MPH WITH GUSTS UP TO  
35 MPH, BECOMING WEST AROUND 10 MPH AFTER MIDNIGHT. CHANCE OF  
RAIN 30 PERCENT.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS  
AROUND 10 MPH.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40. SOUTH WINDS AROUND  
10 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.    
SATURDAY
 
SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND  
10 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.    
SATURDAY NIGHT
 
CLEAR. LOWS IN THE LOWER 40S. EAST WINDS 10 TO  
15 MPH, BECOMING SOUTH AFTER MIDNIGHT.    
SUNDAY
 
MOSTLY SUNNY AND BREEZY. HIGHS IN THE UPPER 70S.    
SUNDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
IN THE MID 40S.    
MONDAY
 
PARTLY CLOUDY WITH SCATTERED SHOWERS IN THE MORNING,  
THEN MOSTLY CLOUDY WITH NUMEROUS SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. WINDY AND MUCH COOLER WITH HIGHS  
IN THE MID 50S. CHANCE OF RAIN 60 PERCENT.    
MONDAY NIGHT
 
NUMEROUS RAIN SHOWERS. BREEZY WITH LOWS IN THE  
MID 30S. CHANCE OF RAIN 70 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY. NUMEROUS RAIN SHOWERS, MAINLY IN THE  
MORNING. HIGHS IN THE LOWER 50S. CHANCE OF RAIN 60 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY. SCATTERED SHOWERS, MAINLY IN THE  
EVENING. LOWS IN THE UPPER 30S. CHANCE OF RAIN 30 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING.  
ISOLATED SHOWERS. HIGHS IN THE MID 60S. CHANCE OF RAIN  
20 PERCENT.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40.    
THURSDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.  
 

 
 
WYZ027-021000-  
SOUTH LINCOLN COUNTY-  
INCLUDING THE CITIES OF KEMMERER AND COKEVILLE  
639 PM MDT THU MAY 1 2025  
   
TONIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. NORTH WINDS 10 TO  
15 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.    
FRIDAY
 
SUNNY. HIGHS IN THE MID 60S. EAST WINDS AROUND 10 MPH,  
BECOMING SOUTHEAST IN THE AFTERNOON.    
FRIDAY NIGHT
 
CLEAR. LOWS IN THE MID 30S. NORTHWEST WINDS  
AROUND 10 MPH IN THE EVENING.    
SATURDAY
 
SUNNY. HIGHS AROUND 70. SOUTHWEST WINDS AROUND 10 MPH  
WITH GUSTS UP TO 20 MPH IN THE AFTERNOON.    
SATURDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE UPPER 30S. SOUTHEAST WINDS AROUND 10 MPH IN THE  
EVENING.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH  
NUMEROUS SHOWERS IN THE AFTERNOON. HIGHS IN THE UPPER 60S. CHANCE  
OF RAIN 60 PERCENT.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. SCATTERED SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE EVENING. LOWS AROUND 40. CHANCE OF RAIN  
30 PERCENT.    
MONDAY
 
PARTLY CLOUDY WITH SCATTERED SHOWERS IN THE MORNING,  
THEN MOSTLY CLOUDY WITH SHOWERS AND SCATTERED THUNDERSTORMS IN  
THE AFTERNOON. BREEZY WITH HIGHS AROUND 60. CHANCE OF RAIN  
80 PERCENT.    
MONDAY NIGHT
 
MOSTLY CLOUDY. NUMEROUS RAIN SHOWERS WITH  
ISOLATED THUNDERSTORMS IN THE EVENING, THEN SCATTERED RAIN  
SHOWERS AFTER MIDNIGHT. BREEZY WITH LOWS IN THE MID 30S. CHANCE  
OF RAIN 60 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. SCATTERED SNOW SHOWERS IN THE MORNING. SCATTERED RAIN  
SHOWERS. BREEZY WITH HIGHS IN THE LOWER 50S. CHANCE OF  
PRECIPITATION 40 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 30S.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS  
IN THE LOWER 60S.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S.    
THURSDAY
 
MOSTLY SUNNY. ISOLATED RAIN SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 60S. CHANCE OF RAIN  
20 PERCENT.  
 

 
 
WYZ016-021000-  
UPPER WIND RIVER BASIN-  
INCLUDING THE CITY OF DUBOIS  
639 PM MDT THU MAY 1 2025  
   
TONIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. EAST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 25 MPH THIS EVENING.    
FRIDAY
 
SUNNY. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 25 MPH IN THE AFTERNOON.    
FRIDAY NIGHT
 
CLEAR. LOWS AROUND 40. WEST WINDS AROUND 10 MPH.  
GUSTS UP TO 25 MPH IN THE EVENING.    
SATURDAY
 
SUNNY. HIGHS AROUND 70. WEST WINDS AROUND 10 MPH,  
BECOMING SOUTHWEST IN THE AFTERNOON.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40. SOUTHEAST WINDS  
AROUND 10 MPH WITH GUSTS UP TO 20 MPH, BECOMING WEST AFTER  
MIDNIGHT.    
SUNDAY
 
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH  
SCATTERED SHOWERS IN THE AFTERNOON. HIGHS IN THE MID 60S. CHANCE  
OF RAIN 30 PERCENT.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH SCATTERED SHOWERS. LOWS AROUND  
40. CHANCE OF RAIN 40 PERCENT.    
MONDAY
 
PARTLY CLOUDY WITH SCATTERED SHOWERS IN THE MORNING,  
THEN MOSTLY CLOUDY WITH NUMEROUS SHOWERS IN THE AFTERNOON. BREEZY  
WITH HIGHS AROUND 50. CHANCE OF RAIN 70 PERCENT.    
MONDAY NIGHT
 
MOSTLY CLOUDY WITH NUMEROUS RAIN AND SNOW  
SHOWERS. LITTLE OR NO SNOW ACCUMULATION. BREEZY WITH LOWS IN THE  
MID 30S. CHANCE OF PRECIPITATION 60 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. SCATTERED SNOW SHOWERS IN THE MORNING. SCATTERED RAIN  
SHOWERS. LITTLE OR NO SNOW ACCUMULATION. HIGHS AROUND 50. CHANCE  
OF PRECIPITATION 50 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE  
EVENING. LOWS IN THE MID 30S. CHANCE OF RAIN 20 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH  
ISOLATED RAIN SHOWERS IN THE AFTERNOON. HIGHS AROUND 60. CHANCE  
OF RAIN 20 PERCENT.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S.    
THURSDAY
 
MOSTLY SUNNY. SCATTERED RAIN SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 60S. CHANCE OF  
RAIN 30 PERCENT.  
 

 
 
WYZ001-021000-  
YELLOWSTONE NATIONAL PARK-  
INCLUDING THE CITIES OF LAKE, MAMMOTH, AND OLD FAITHFUL  
639 PM MDT THU MAY 1 2025  
   
TONIGHT
 
CLEAR. LOWS IN THE UPPER 20S. NORTH WINDS AROUND  
10 MPH WITH GUSTS UP TO 20 MPH THIS EVENING.    
FRIDAY
 
SUNNY. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS AROUND  
10 MPH.    
FRIDAY NIGHT
 
CLEAR. LOWS IN THE LOWER 30S. SOUTHWEST WINDS  
AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN THE EVENING.    
SATURDAY
 
SUNNY. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS AROUND  
10 MPH WITH GUSTS UP TO 20 MPH IN THE AFTERNOON.    
SATURDAY NIGHT
 
CLEAR. LOWS IN THE LOWER 30S. SOUTH WINDS  
AROUND 10 MPH WITH GUSTS UP TO 20 MPH IN THE EVENING.    
SUNDAY
 
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH  
SCATTERED RAIN SHOWERS IN THE AFTERNOON. HIGHS IN THE LOWER 60S.  
CHANCE OF RAIN 40 PERCENT.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH NUMEROUS RAIN SHOWERS IN THE  
EVENING, THEN PARTLY CLOUDY WITH SCATTERED RAIN SHOWERS AFTER  
MIDNIGHT. LOWS IN THE MID 30S. CHANCE OF RAIN 60 PERCENT.    
MONDAY
 
NUMEROUS RAIN AND SNOW SHOWERS. LITTLE OR NO SNOW  
ACCUMULATION. HIGHS IN THE UPPER 40S. CHANCE OF PRECIPITATION  
60 PERCENT.    
MONDAY NIGHT
 
SCATTERED RAIN SHOWERS IN THE EVENING. PARTLY  
CLOUDY WITH SCATTERED SNOW SHOWERS. LOWS IN THE UPPER 20S. CHANCE  
OF PRECIPITATION 40 PERCENT.    
TUESDAY
 
PARTLY CLOUDY. SCATTERED SNOW SHOWERS IN THE MORNING,  
THEN ISOLATED RAIN SHOWERS IN THE AFTERNOON. HIGHS IN THE LOWER  
50S. CHANCE OF PRECIPITATION 30 PERCENT.    
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 30.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS AROUND 60.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S.    
THURSDAY
 
MOSTLY SUNNY. SCATTERED RAIN SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 60S. CHANCE OF  
RAIN 30 PERCENT.  
 

 
 
WYZ029-021000-  
FLAMING GORGE-  
639 PM MDT THU MAY 1 2025  
   
TONIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. NORTH WINDS 10 TO  
15 MPH, BECOMING EAST AFTER MIDNIGHT.    
FRIDAY
 
SUNNY. HIGHS IN THE MID 60S. SOUTHEAST WINDS AROUND  
10 MPH, BECOMING SOUTH IN THE AFTERNOON.    
FRIDAY NIGHT
 
CLEAR. LOWS IN THE UPPER 30S. EAST WINDS AROUND  
10 MPH, BECOMING SOUTH AFTER MIDNIGHT.    
SATURDAY
 
SUNNY. HIGHS IN THE LOWER 70S. SOUTH WINDS 10 TO  
15 MPH WITH GUSTS UP TO 25 MPH.    
SATURDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTHEAST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 25 MPH.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH  
SCATTERED SHOWERS IN THE AFTERNOON. BREEZY WITH HIGHS IN THE  
UPPER 60S. CHANCE OF RAIN 40 PERCENT.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. SCATTERED SHOWERS, MAINLY IN THE  
EVENING. LOWS IN THE LOWER 40S. CHANCE OF RAIN 40 PERCENT.    
MONDAY
 
PARTLY CLOUDY WITH SCATTERED SHOWERS IN THE MORNING,  
THEN MOSTLY CLOUDY WITH SHOWERS AND SCATTERED THUNDERSTORMS IN  
THE AFTERNOON. BREEZY WITH HIGHS IN THE UPPER 50S. CHANCE OF RAIN  
80 PERCENT.    
MONDAY NIGHT
 
NUMEROUS RAIN SHOWERS WITH ISOLATED THUNDERSTORMS  
IN THE EVENING, THEN NUMEROUS RAIN AND SNOW SHOWERS AFTER  
MIDNIGHT. LITTLE OR NO SNOW ACCUMULATION. BREEZY WITH LOWS IN THE  
MID 30S. CHANCE OF PRECIPITATION 70 PERCENT.    
TUESDAY
 
CLOUDY WITH NUMEROUS RAIN AND SNOW SHOWERS IN THE  
MORNING, THEN PARTLY CLOUDY WITH SCATTERED RAIN SHOWERS, SNOW  
SHOWERS WITH ISOLATED THUNDERSTORMS IN THE AFTERNOON. LITTLE OR  
NO SNOW ACCUMULATION. BREEZY WITH HIGHS IN THE LOWER 50S. CHANCE  
OF PRECIPITATION 60 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE  
EVENING. LOWS IN THE MID 30S. CHANCE OF RAIN 20 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY. ISOLATED RAIN SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 60. CHANCE OF RAIN  
20 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE UPPER 30S.    
THURSDAY
 
MOSTLY SUNNY. ISOLATED RAIN SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE MID 60S. CHANCE OF RAIN  
20 PERCENT.  
 

 
 
WYZ022-021000-  
CASPER MOUNTAIN-  
639 PM MDT THU MAY 1 2025  
   
TONIGHT
 
PARTLY CLOUDY WITH SCATTERED SNOW SHOWERS THIS  
EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. LOWS IN THE UPPER 20S.  
NORTH WINDS 10 TO 15 MPH WITH GUSTS UP TO 30 MPH THIS EVENING.  
CHANCE OF SNOW 30 PERCENT.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. WEST WINDS AROUND  
10 MPH.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. SOUTH WINDS  
AROUND 10 MPH.    
SATURDAY
 
SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS AROUND  
10 MPH WITH GUSTS UP TO 20 MPH.    
SATURDAY NIGHT
 
CLEAR. LOWS IN THE LOWER 40S. SOUTHEAST WINDS  
10 TO 15 MPH.    
SUNDAY
 
SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH ISOLATED  
SHOWERS IN THE AFTERNOON. HIGHS IN THE UPPER 60S. CHANCE OF RAIN  
20 PERCENT.    
SUNDAY NIGHT
 
PARTLY CLOUDY. ISOLATED SHOWERS IN THE EVENING.  
LOWS AROUND 40. CHANCE OF RAIN 20 PERCENT.    
MONDAY
 
PARTLY CLOUDY WITH SCATTERED SHOWERS IN THE MORNING,  
THEN MOSTLY CLOUDY WITH SHOWERS AND SCATTERED THUNDERSTORMS IN  
THE AFTERNOON. BREEZY WITH HIGHS IN THE LOWER 50S. TEMPERATURE  
FALLING INTO THE MID 40S IN THE AFTERNOON. CHANCE OF RAIN  
80 PERCENT.    
MONDAY NIGHT
 
RAIN SHOWERS WITH ISOLATED THUNDERSTORMS IN THE  
EVENING, THEN NUMEROUS RAIN AND SNOW SHOWERS AFTER MIDNIGHT.  
LIGHT SNOW ACCUMULATION. BREEZY WITH LOWS IN THE LOWER 30S.  
CHANCE OF PRECIPITATION 80 PERCENT.    
TUESDAY
 
NUMEROUS SNOW SHOWERS. NUMEROUS RAIN SHOWERS IN THE  
MORNING, THEN NUMEROUS RAIN SHOWERS WITH ISOLATED THUNDERSTORMS  
IN THE AFTERNOON. NEW LIGHT SNOW ACCUMULATION POSSIBLE. HIGHS IN  
THE LOWER 40S. CHANCE OF PRECIPITATION 70 PERCENT.    
TUESDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. LOWS IN THE LOWER  
30S. CHANCE OF PRECIPITATION 40 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY WITH SCATTERED RAIN SHOWERS. SCATTERED  
SNOW SHOWERS IN THE MORNING, THEN ISOLATED THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE LOWER 50S. CHANCE OF PRECIPITATION  
30 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE MID 30S.    
THURSDAY
 
MOSTLY SUNNY. ISOLATED RAIN SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE LOWER 60S. CHANCE OF RAIN  
20 PERCENT.  
 

 
 
WYZ002-021000-  
ABSAROKA MOUNTAINS-  
639 PM MDT THU MAY 1 2025  
   
TONIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 20S. NORTH WINDS 10 TO  
15 MPH WITH GUSTS UP TO 30 MPH, BECOMING WEST AFTER MIDNIGHT.    
FRIDAY
 
SUNNY. HIGHS IN THE MID 50S. WEST WINDS 10 TO 15 MPH  
WITH GUSTS UP TO 25 MPH.    
FRIDAY NIGHT
 
CLEAR. LOWS IN THE MID 30S. WEST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 25 MPH.    
SATURDAY
 
SUNNY. HIGHS AROUND 60. SOUTHWEST WINDS 10 TO 15 MPH  
WITH GUSTS UP TO 25 MPH.    
SATURDAY NIGHT
 
CLEAR. LOWS IN THE MID 30S. SOUTH WINDS 10 TO  
15 MPH WITH GUSTS UP TO 25 MPH.    
SUNDAY
 
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH  
SCATTERED RAIN AND SNOW SHOWERS IN THE AFTERNOON. BREEZY WITH  
HIGHS IN THE UPPER 50S. CHANCE OF PRECIPITATION 40 PERCENT.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH SCATTERED SNOW SHOWERS.  
NUMEROUS RAIN SHOWERS, MAINLY IN THE EVENING. LITTLE OR NO SNOW  
ACCUMULATION. LOWS IN THE LOWER 30S. CHANCE OF PRECIPITATION  
60 PERCENT.    
MONDAY
 
NUMEROUS RAIN AND SNOW SHOWERS. LIGHT SNOW ACCUMULATION  
POSSIBLE. BREEZY WITH HIGHS AROUND 40. CHANCE OF PRECIPITATION  
70 PERCENT.    
MONDAY NIGHT
 
MOSTLY CLOUDY WITH NUMEROUS SNOW SHOWERS IN THE  
EVENING, THEN PARTLY CLOUDY WITH SCATTERED SNOW SHOWERS AFTER  
MIDNIGHT. NEW LIGHT SNOW ACCUMULATION POSSIBLE. BREEZY WITH LOWS  
IN THE MID 20S. CHANCE OF SNOW 60 PERCENT.    
TUESDAY
 
PARTLY CLOUDY WITH SCATTERED SNOW SHOWERS. SCATTERED  
RAIN SHOWERS IN THE AFTERNOON. HIGHS IN THE LOWER 40S. CHANCE OF  
PRECIPITATION 30 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS AROUND 30.    
WEDNESDAY
 
MOSTLY SUNNY. ISOLATED RAIN AND SNOW SHOWERS IN THE  
AFTERNOON. HIGHS IN THE LOWER 50S. CHANCE OF PRECIPITATION  
20 PERCENT.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S.    
THURSDAY
 
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH  
SCATTERED RAIN SHOWERS WITH ISOLATED THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE MID 50S. CHANCE OF RAIN 30 PERCENT.  
 

 
 
WYZ007-021000-  
OWL CREEK AND BRIDGER MOUNTAINS-  
639 PM MDT THU MAY 1 2025  
   
TONIGHT
 
MOSTLY CLEAR AND BREEZY. LOWS IN THE MID 30S. NORTH  
WINDS 20 TO 25 MPH WITH GUSTS UP TO 35 MPH, BECOMING WEST AROUND  
10 MPH AFTER MIDNIGHT.    
FRIDAY
 
SUNNY. HIGHS IN THE LOWER 60S. SOUTH WINDS 10 TO  
15 MPH.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. SOUTH WINDS  
AROUND 10 MPH.    
SATURDAY
 
SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS 10 TO  
15 MPH.    
SATURDAY NIGHT
 
CLEAR. LOWS IN THE MID 40S. SOUTHEAST WINDS  
10 TO 15 MPH, BECOMING SOUTH AFTER MIDNIGHT.    
SUNDAY
 
MOSTLY SUNNY. SCATTERED SHOWERS IN THE AFTERNOON.  
BREEZY WITH HIGHS IN THE LOWER 70S. CHANCE OF RAIN 30 PERCENT.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH SCATTERED SHOWERS. BREEZY WITH  
LOWS IN THE LOWER 40S. CHANCE OF RAIN 40 PERCENT.    
MONDAY
 
PARTLY CLOUDY WITH SCATTERED RAIN SHOWERS IN THE  
MORNING, THEN MOSTLY CLOUDY WITH NUMEROUS RAIN SHOWERS IN THE  
AFTERNOON. WINDY, COOLER WITH HIGHS IN THE UPPER 40S. CHANCE OF  
RAIN 60 PERCENT.    
MONDAY NIGHT
 
NUMEROUS SNOW SHOWERS. RAIN SHOWERS. LITTLE OR NO  
SNOW ACCUMULATION. WINDY WITH LOWS IN THE MID 30S. CHANCE OF  
PRECIPITATION 80 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY WITH NUMEROUS SNOW AND RAIN SHOWERS IN  
THE MORNING, THEN PARTLY CLOUDY WITH SCATTERED RAIN AND SNOW  
SHOWERS IN THE AFTERNOON. LITTLE OR NO SNOW ACCUMULATION. BREEZY  
WITH HIGHS IN THE UPPER 40S. CHANCE OF PRECIPITATION 60 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS WITH  
ISOLATED SNOW SHOWERS IN THE EVENING, THEN ISOLATED RAIN SHOWERS  
AFTER MIDNIGHT. LOWS IN THE UPPER 30S. CHANCE OF PRECIPITATION  
30 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS  
AROUND 60.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.    
THURSDAY
 
MOSTLY SUNNY. ISOLATED RAIN SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE MID 60S. CHANCE OF RAIN  
20 PERCENT.  
 

 
 
WYZ008-021000-  
BIGHORN MOUNTAINS WEST-  
639 PM MDT THU MAY 1 2025  
   
TONIGHT
 
MOSTLY CLEAR AND BREEZY. LOWS IN THE UPPER 20S. NORTH  
WINDS 20 TO 25 MPH WITH GUSTS UP TO 40 MPH, DIMINISHING TO 10 TO  
15 MPH WITH GUSTS UP TO 25 MPH AFTER MIDNIGHT.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. WEST WINDS AROUND  
10 MPH WITH GUSTS UP TO 25 MPH.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40. SOUTH WINDS AROUND  
10 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.    
SATURDAY
 
SUNNY. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS AROUND  
10 MPH WITH GUSTS UP TO 25 MPH.    
SATURDAY NIGHT
 
CLEAR. LOWS IN THE LOWER 40S. SOUTHEAST WINDS  
10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
SUNDAY
 
MOSTLY SUNNY AND BREEZY. HIGHS IN THE MID 60S.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH SCATTERED RAIN SHOWERS. BREEZY  
WITH LOWS IN THE UPPER 30S. CHANCE OF RAIN 30 PERCENT.    
MONDAY
 
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
CLOUDY. RAIN AND SNOW SHOWERS. LITTLE OR NO SNOW ACCUMULATION.  
BREEZY, COOLER WITH HIGHS IN THE MID 40S. CHANCE OF PRECIPITATION  
80 PERCENT.    
MONDAY NIGHT
 
MOSTLY CLOUDY WITH NUMEROUS RAIN AND SNOW  
SHOWERS. LIGHT SNOW ACCUMULATION POSSIBLE. BREEZY WITH LOWS IN  
THE LOWER 30S. CHANCE OF PRECIPITATION 60 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY WITH NUMEROUS SNOW AND RAIN SHOWERS IN  
THE MORNING, THEN PARTLY CLOUDY WITH SCATTERED RAIN AND SNOW  
SHOWERS IN THE AFTERNOON. NEW LITTLE OR NO SNOW ACCUMULATION.  
HIGHS IN THE MID 40S. CHANCE OF PRECIPITATION 60 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS,  
MAINLY IN THE EVENING. LOWS IN THE MID 30S. CHANCE OF  
PRECIPITATION 30 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING.  
ISOLATED RAIN SHOWERS. HIGHS IN THE MID 50S. CHANCE OF RAIN  
20 PERCENT.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S.    
THURSDAY
 
MOSTLY SUNNY. ISOLATED RAIN SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE LOWER 60S. CHANCE OF RAIN  
20 PERCENT.  
 

 
 
WYZ009-021000-  
BIGHORN MOUNTAINS SOUTHEAST-  
639 PM MDT THU MAY 1 2025  
   
TONIGHT
 
MOSTLY CLEAR AND BREEZY. LOWS AROUND 30. NORTHWEST  
WINDS 20 TO 25 MPH WITH GUSTS UP TO 50 MPH, BECOMING WEST AROUND  
10 MPH WITH GUSTS UP TO 25 MPH AFTER MIDNIGHT.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S. WEST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 25 MPH.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40. WEST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 25 MPH.    
SATURDAY
 
SUNNY. HIGHS IN THE LOWER 60S. WEST WINDS 10 TO  
15 MPH, BECOMING SOUTH IN THE AFTERNOON.    
SATURDAY NIGHT
 
CLEAR. LOWS IN THE LOWER 40S. SOUTHEAST WINDS  
10 TO 15 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT. GUSTS UP TO  
30 MPH.    
SUNDAY
 
MOSTLY SUNNY AND BREEZY. HIGHS IN THE UPPER 60S.    
SUNDAY NIGHT
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS, MAINLY IN  
THE EVENING. BREEZY WITH LOWS AROUND 40. CHANCE OF RAIN  
30 PERCENT.    
MONDAY
 
PARTLY CLOUDY WITH SCATTERED RAIN SHOWERS IN THE  
MORNING, THEN MOSTLY CLOUDY WITH NUMEROUS RAIN SHOWERS, SNOW  
SHOWERS WITH ISOLATED THUNDERSTORMS IN THE AFTERNOON. LITTLE OR  
NO SNOW ACCUMULATION. BREEZY, COOLER WITH HIGHS IN THE UPPER 40S.  
CHANCE OF PRECIPITATION 70 PERCENT.    
MONDAY NIGHT
 
SNOW AND RAIN SHOWERS. LIGHT SNOW ACCUMULATION.  
BREEZY WITH LOWS IN THE LOWER 30S. CHANCE OF PRECIPITATION  
80 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY WITH NUMEROUS SNOW AND RAIN SHOWERS IN  
THE MORNING, THEN PARTLY CLOUDY WITH SCATTERED RAIN AND SNOW  
SHOWERS IN THE AFTERNOON. NEW LIGHT SNOW ACCUMULATION POSSIBLE.  
HIGHS IN THE MID 40S. CHANCE OF PRECIPITATION 60 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS,  
MAINLY IN THE EVENING. LOWS IN THE MID 30S. CHANCE OF  
PRECIPITATION 30 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING.  
ISOLATED SNOW SHOWERS IN THE MORNING. ISOLATED RAIN SHOWERS.  
HIGHS IN THE MID 50S. CHANCE OF PRECIPITATION 20 PERCENT.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S.    
THURSDAY
 
MOSTLY SUNNY. ISOLATED RAIN SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE LOWER 60S. CHANCE OF RAIN  
20 PERCENT.  
 

 
 
WYZ012-021000-  
TETON AND GROS VENTRE MOUNTAINS-  
639 PM MDT THU MAY 1 2025  
   
TONIGHT
 
CLEAR. LOWS IN THE MID 20S. NORTH WINDS AROUND 10 MPH  
WITH GUSTS UP TO 25 MPH, BECOMING EAST AFTER MIDNIGHT.    
FRIDAY
 
SUNNY. HIGHS IN THE LOWER 50S. SOUTH WINDS AROUND  
10 MPH, BECOMING SOUTHWEST WITH GUSTS UP TO 20 MPH IN THE  
AFTERNOON.    
FRIDAY NIGHT
 
CLEAR. LOWS AROUND 30. SOUTHWEST WINDS AROUND  
10 MPH, BECOMING SOUTHEAST WITH GUSTS UP TO 20 MPH AFTER  
MIDNIGHT.    
SATURDAY
 
SUNNY. HIGHS IN THE UPPER 50S. SOUTH WINDS AROUND  
10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. SOUTHEAST  
WINDS 10 TO 15 MPH.    
SUNDAY
 
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH  
SCATTERED RAIN SHOWERS IN THE AFTERNOON. HIGHS IN THE UPPER 50S.  
CHANCE OF RAIN 50 PERCENT.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH NUMEROUS RAIN SHOWERS IN THE  
EVENING, THEN PARTLY CLOUDY WITH SCATTERED RAIN AND SNOW SHOWERS  
AFTER MIDNIGHT. LITTLE OR NO SNOW ACCUMULATION. LOWS IN THE MID  
30S. CHANCE OF PRECIPITATION 60 PERCENT.    
MONDAY
 
PARTLY CLOUDY WITH NUMEROUS RAIN SHOWERS. SCATTERED  
SNOW SHOWERS IN THE MORNING, THEN NUMEROUS SNOW SHOWERS WITH  
ISOLATED THUNDERSTORMS IN THE AFTERNOON. LITTLE OR NO SNOW  
ACCUMULATION. HIGHS AROUND 50. CHANCE OF PRECIPITATION  
70 PERCENT.    
MONDAY NIGHT
 
PARTLY CLOUDY WITH SCATTERED RAIN AND SNOW  
SHOWERS. LITTLE OR NO SNOW ACCUMULATION. LOWS IN THE UPPER 20S.  
CHANCE OF PRECIPITATION 50 PERCENT.    
TUESDAY
 
PARTLY CLOUDY WITH SCATTERED SNOW AND RAIN SHOWERS.  
HIGHS AROUND 50. CHANCE OF PRECIPITATION 40 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY WITH ISOLATED RAIN AND SNOW  
SHOWERS IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. LOWS  
AROUND 30. CHANCE OF PRECIPITATION 20 PERCENT.    
WEDNESDAY
 
MOSTLY SUNNY. ISOLATED RAIN SHOWERS IN THE  
AFTERNOON. HIGHS IN THE MID 50S. CHANCE OF RAIN 20 PERCENT.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S.    
THURSDAY
 
MOSTLY SUNNY. SCATTERED RAIN SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 50S. CHANCE OF  
RAIN 30 PERCENT.  
 

 
 
WYZ014-021000-  
WIND RIVER MOUNTAINS WEST-  
639 PM MDT THU MAY 1 2025  
   
TONIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 20S. NORTHEAST WINDS  
10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
FRIDAY
 
SUNNY. HIGHS IN THE LOWER 50S. WEST WINDS 10 TO 15 MPH  
WITH GUSTS UP TO 25 MPH.    
FRIDAY NIGHT
 
CLEAR. LOWS AROUND 30. NORTHWEST WINDS AROUND  
10 MPH. GUSTS UP TO 25 MPH IN THE EVENING.    
SATURDAY
 
SUNNY. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 25 MPH.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. SOUTHEAST  
WINDS AROUND 10 MPH.    
SUNDAY
 
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH  
SCATTERED RAIN AND SNOW SHOWERS IN THE AFTERNOON. HIGHS IN THE  
MID 50S. CHANCE OF PRECIPITATION 40 PERCENT.    
SUNDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. SCATTERED RAIN SHOWERS. NUMEROUS SNOW SHOWERS,  
MAINLY IN THE EVENING. LITTLE OR NO SNOW ACCUMULATION. LOWS IN  
THE MID 30S. CHANCE OF PRECIPITATION 60 PERCENT.    
MONDAY
 
NUMEROUS RAIN AND SNOW SHOWERS IN THE MORNING, THEN  
RAIN SHOWERS, SNOW SHOWERS WITH ISOLATED THUNDERSTORMS IN THE  
AFTERNOON. LIGHT SNOW ACCUMULATION. BREEZY WITH HIGHS IN THE MID  
40S. CHANCE OF PRECIPITATION 80 PERCENT.    
MONDAY NIGHT
 
SNOW SHOWERS AND NUMEROUS RAIN SHOWERS IN THE  
EVENING, THEN NUMEROUS SNOW SHOWERS AFTER MIDNIGHT. NEW LIGHT  
SNOW ACCUMULATION. BREEZY WITH LOWS IN THE UPPER 20S. CHANCE OF  
PRECIPITATION 80 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY WITH NUMEROUS SNOW SHOWERS IN THE  
MORNING, THEN PARTLY CLOUDY WITH SCATTERED SNOW AND RAIN SHOWERS  
IN THE AFTERNOON. NEW LIGHT SNOW ACCUMULATION POSSIBLE. BREEZY  
WITH HIGHS IN THE LOWER 40S. CHANCE OF PRECIPITATION 60 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY. SCATTERED SNOW AND RAIN SHOWERS  
IN THE EVENING. LOWS IN THE UPPER 20S. CHANCE OF PRECIPITATION  
30 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY. ISOLATED RAIN AND SNOW SHOWERS IN THE  
MORNING, THEN SCATTERED RAIN AND SNOW SHOWERS IN THE AFTERNOON.  
HIGHS IN THE LOWER 50S. CHANCE OF PRECIPITATION 30 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE LOWER 30S.    
THURSDAY
 
MOSTLY SUNNY. SCATTERED RAIN SHOWERS, SNOW SHOWERS  
WITH ISOLATED THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID  
50S. CHANCE OF PRECIPITATION 30 PERCENT.  
 

 
 
WYZ015-021000-  
WIND RIVER MOUNTAINS EAST-  
639 PM MDT THU MAY 1 2025  
   
TONIGHT
 
PARTLY CLOUDY THIS EVENING, THEN CLEARING. LOWS IN THE  
MID 20S. NORTHEAST WINDS 10 TO 15 MPH, BECOMING WEST AFTER  
MIDNIGHT.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. WEST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 25 MPH.    
FRIDAY NIGHT
 
CLEAR. LOWS IN THE LOWER 30S. SOUTHWEST WINDS  
10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
SATURDAY
 
SUNNY. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 25 MPH.    
SATURDAY NIGHT
 
CLEAR. LOWS IN THE MID 30S. SOUTHWEST WINDS  
AROUND 10 MPH WITH GUSTS UP TO 20 MPH.    
SUNDAY
 
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH  
SCATTERED RAIN SHOWERS AND NUMEROUS SNOW SHOWERS IN THE  
AFTERNOON. LITTLE OR NO SNOW ACCUMULATION. BREEZY WITH HIGHS IN  
THE MID 50S. CHANCE OF PRECIPITATION 60 PERCENT.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH NUMEROUS RAIN AND SNOW SHOWERS  
IN THE EVENING, THEN PARTLY CLOUDY WITH SCATTERED RAIN AND SNOW  
SHOWERS AFTER MIDNIGHT. LITTLE OR NO SNOW ACCUMULATION. LOWS IN  
THE MID 30S. CHANCE OF PRECIPITATION 60 PERCENT.    
MONDAY
 
RAIN AND SNOW SHOWERS. LIGHT SNOW ACCUMULATION. BREEZY  
WITH HIGHS IN THE LOWER 40S. CHANCE OF PRECIPITATION 80 PERCENT.    
MONDAY NIGHT
 
SNOW AND RAIN SHOWERS IN THE EVENING, THEN  
NUMEROUS SNOW SHOWERS AFTER MIDNIGHT. NEW MODERATE SNOW  
ACCUMULATION. WINDY WITH LOWS IN THE MID 20S. CHANCE OF  
PRECIPITATION 80 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY WITH NUMEROUS SNOW SHOWERS IN THE  
MORNING, THEN PARTLY CLOUDY WITH SCATTERED SNOW AND RAIN SHOWERS  
IN THE AFTERNOON. NEW LIGHT SNOW ACCUMULATION POSSIBLE. BREEZY  
WITH HIGHS IN THE UPPER 30S. CHANCE OF PRECIPITATION 60 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY. SCATTERED SNOW AND RAIN SHOWERS  
IN THE EVENING, THEN ISOLATED SNOW SHOWERS AFTER MIDNIGHT. LOWS  
IN THE UPPER 20S. CHANCE OF PRECIPITATION 30 PERCENT.    
WEDNESDAY
 
MOSTLY SUNNY. ISOLATED RAIN AND SNOW SHOWERS IN THE  
MORNING, THEN SCATTERED RAIN AND SNOW SHOWERS IN THE AFTERNOON.  
HIGHS IN THE UPPER 40S. CHANCE OF PRECIPITATION 30 PERCENT.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S.    
THURSDAY
 
MOSTLY SUNNY. SCATTERED RAIN SHOWERS, SNOW SHOWERS  
WITH ISOLATED THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID  
50S. CHANCE OF PRECIPITATION 30 PERCENT.  
 

 
 
WYZ019-021000-  
GREEN MOUNTAINS AND RATTLESNAKE RANGE-  
INCLUDING THE CITY OF JEFFREY CITY  
639 PM MDT THU MAY 1 2025  
   
TONIGHT
 
MOSTLY CLEAR AND BREEZY. LOWS IN THE LOWER 30S.  
NORTHEAST WINDS 15 TO 20 MPH WITH GUSTS UP TO 35 MPH, BECOMING  
SOUTHEAST AROUND 10 MPH WITH GUSTS UP TO 20 MPH AFTER MIDNIGHT.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS  
AROUND 10 MPH.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. SOUTHWEST  
WINDS AROUND 10 MPH.    
SATURDAY
 
SUNNY. HIGHS AROUND 70. SOUTHWEST WINDS 10 TO 15 MPH  
WITH GUSTS UP TO 25 MPH.    
SATURDAY NIGHT
 
CLEAR. LOWS AROUND 40. SOUTH WINDS AROUND  
10 MPH.    
SUNDAY
 
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH  
SCATTERED SHOWERS IN THE AFTERNOON. BREEZY WITH HIGHS AROUND 70.  
CHANCE OF RAIN 30 PERCENT.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH SCATTERED SHOWERS IN THE  
EVENING, THEN PARTLY CLOUDY WITH ISOLATED SHOWERS AFTER MIDNIGHT.  
LOWS IN THE LOWER 40S. CHANCE OF RAIN 40 PERCENT.    
MONDAY
 
PARTLY CLOUDY WITH SCATTERED RAIN SHOWERS IN THE  
MORNING, THEN MOSTLY CLOUDY WITH RAIN SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. WINDY WITH HIGHS IN THE LOWER  
50S. CHANCE OF RAIN 80 PERCENT.    
MONDAY NIGHT
 
RAIN SHOWERS. SNOW SHOWERS AFTER MIDNIGHT. LITTLE  
OR NO SNOW ACCUMULATION. WINDY WITH LOWS IN THE LOWER 30S. CHANCE  
OF PRECIPITATION 80 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY. NUMEROUS RAIN AND SNOW SHOWERS, MAINLY  
IN THE MORNING. LITTLE OR NO SNOW ACCUMULATION. BREEZY WITH HIGHS  
IN THE MID 40S. CHANCE OF PRECIPITATION 60 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS,  
MAINLY IN THE EVENING. LOWS IN THE LOWER 30S. CHANCE OF  
PRECIPITATION 30 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE MORNING,  
THEN SCATTERED RAIN SHOWERS IN THE AFTERNOON. HIGHS IN THE UPPER  
50S. CHANCE OF RAIN 30 PERCENT.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S.    
THURSDAY
 
MOSTLY SUNNY. ISOLATED RAIN SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE MID 60S. CHANCE OF RAIN  
20 PERCENT.  
 

 
 
WYZ024-021000-  
SALT RIVER AND WYOMING RANGES-  
639 PM MDT THU MAY 1 2025  
   
TONIGHT
 
CLEAR. LOWS IN THE UPPER 20S. NORTH WINDS 10 TO 15 MPH  
WITH GUSTS UP TO 30 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.    
FRIDAY
 
SUNNY. HIGHS IN THE UPPER 50S. SOUTHEAST WINDS AROUND  
10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.    
FRIDAY NIGHT
 
CLEAR. LOWS IN THE MID 30S. WEST WINDS AROUND  
10 MPH WITH GUSTS UP TO 20 MPH, BECOMING SOUTHEAST AFTER  
MIDNIGHT.    
SATURDAY
 
SUNNY. HIGHS IN THE LOWER 60S. SOUTHEAST WINDS AROUND  
10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON. GUSTS UP TO 25 MPH.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. SOUTHEAST  
WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH, BECOMING EAST AFTER  
MIDNIGHT.    
SUNDAY
 
PARTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE MORNING,  
THEN NUMEROUS RAIN SHOWERS IN THE AFTERNOON. HIGHS AROUND 60.  
CHANCE OF RAIN 60 PERCENT.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH NUMEROUS RAIN SHOWERS WITH  
ISOLATED THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY WITH  
SCATTERED RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 30S.  
CHANCE OF RAIN 60 PERCENT.    
MONDAY
 
PARTLY CLOUDY WITH SCATTERED RAIN SHOWERS IN THE  
MORNING, THEN MOSTLY CLOUDY WITH RAIN SHOWERS AND SCATTERED  
THUNDERSTORMS IN THE AFTERNOON. BREEZY WITH HIGHS IN THE LOWER  
50S. CHANCE OF RAIN 80 PERCENT.    
MONDAY NIGHT
 
MOSTLY CLOUDY. NUMEROUS RAIN SHOWERS, SNOW  
SHOWERS WITH ISOLATED THUNDERSTORMS IN THE EVENING, THEN  
SCATTERED RAIN AND SNOW SHOWERS AFTER MIDNIGHT. LITTLE OR NO SNOW  
ACCUMULATION. LOWS IN THE LOWER 30S. CHANCE OF PRECIPITATION  
60 PERCENT.    
TUESDAY
 
SCATTERED SNOW SHOWERS IN THE MORNING. PARTLY CLOUDY  
WITH SCATTERED RAIN SHOWERS. LITTLE OR NO SNOW ACCUMULATION.  
HIGHS AROUND 50. CHANCE OF PRECIPITATION 50 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY. ISOLATED RAIN AND SNOW SHOWERS IN  
THE EVENING. LOWS IN THE LOWER 30S. CHANCE OF PRECIPITATION  
20 PERCENT.    
WEDNESDAY
 
MOSTLY SUNNY. SCATTERED RAIN SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 50S. CHANCE OF  
RAIN 30 PERCENT.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S.    
THURSDAY
 
MOSTLY SUNNY. SCATTERED RAIN SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 60. CHANCE OF RAIN  
30 PERCENT.  
 

 
 
WYZ030-021000-  
EAST SWEETWATER COUNTY-  
INCLUDING THE CITY OF WAMSUTTER  
639 PM MDT THU MAY 1 2025  
   
TONIGHT
 
MOSTLY CLEAR. LOWS AROUND 30. NORTHEAST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 25 MPH.    
FRIDAY
 
SUNNY. HIGHS IN THE LOWER 60S. SOUTHWEST WINDS AROUND  
10 MPH IN THE AFTERNOON.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S. SOUTH WINDS  
AROUND 10 MPH.    
SATURDAY
 
SUNNY. HIGHS AROUND 70. SOUTHWEST WINDS 10 TO 15 MPH.   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40. SOUTHEAST WINDS  
AROUND 10 MPH.    
SUNDAY
 
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH  
SCATTERED RAIN SHOWERS IN THE AFTERNOON. BREEZY WITH HIGHS AROUND  
70. CHANCE OF RAIN 30 PERCENT.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. SCATTERED SHOWERS IN THE EVENING.  
LOWS AROUND 40. CHANCE OF RAIN 30 PERCENT.    
MONDAY
 
PARTLY CLOUDY WITH SCATTERED SHOWERS IN THE MORNING,  
THEN MOSTLY CLOUDY WITH SHOWERS AND SCATTERED THUNDERSTORMS IN  
THE AFTERNOON. BREEZY WITH HIGHS AROUND 60. TEMPERATURE FALLING  
TO AROUND 50 IN THE AFTERNOON. CHANCE OF RAIN 80 PERCENT.    
MONDAY NIGHT
 
MOSTLY CLOUDY WITH NUMEROUS RAIN SHOWERS.  
ISOLATED THUNDERSTORMS IN THE EVENING, THEN NUMEROUS SNOW SHOWERS  
AFTER MIDNIGHT. LITTLE OR NO SNOW ACCUMULATION. BREEZY WITH LOWS  
IN THE LOWER 30S. CHANCE OF PRECIPITATION 70 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY WITH NUMEROUS RAIN AND SNOW SHOWERS IN  
THE MORNING, THEN PARTLY CLOUDY WITH SCATTERED RAIN AND SNOW  
SHOWERS IN THE AFTERNOON. LITTLE OR NO SNOW ACCUMULATION. BREEZY  
WITH HIGHS IN THE UPPER 40S. CHANCE OF PRECIPITATION 60 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE  
EVENING. BREEZY WITH LOWS IN THE LOWER 30S. CHANCE OF RAIN  
20 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY WITH ISOLATED RAIN SHOWERS. ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 60. CHANCE OF RAIN  
20 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE MID 30S.    
THURSDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 60S.  
 

 
 
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