699  
FPUS55 KRIW 120419  
ZFPRIW  
 
ZONE FORECAST PRODUCT FOR WESTERN AND CENTRAL WYOMING  
NATIONAL WEATHER SERVICE RIVERTON WY  
917 PM MST THU DEC 11 2025  
 
WYZ020-121100-  
NATRONA COUNTY LOWER ELEVATIONS-  
INCLUDING THE CITY OF CASPER  
917 PM MST THU DEC 11 2025  
   
TONIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. NORTH WINDS  
AROUND 10 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.    
FRIDAY
 
PARTLY CLOUDY. HIGHS IN THE UPPER 40S. WEST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 30 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS IN THE UPPER 20S.  
SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS UP TO 35 MPH.    
SATURDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 40S. WEST WINDS  
10 TO 15 MPH WITH GUSTS UP TO 30 MPH, BECOMING EAST IN THE  
AFTERNOON.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 20S. SOUTHWEST  
WINDS 10 TO 15 MPH.    
SUNDAY
 
MOSTLY SUNNY AND BREEZY. HIGHS IN THE MID 50S.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 30.    
MONDAY
 
MOSTLY SUNNY AND BREEZY. HIGHS IN THE MID 50S.    
MONDAY NIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS IN THE UPPER 30S.    
TUESDAY
 
PARTLY CLOUDY AND BREEZY. HIGHS IN THE MID 50S.    
TUESDAY NIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS IN THE MID 30S.    
WEDNESDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW  
SHOWERS. WINDY WITH HIGHS AROUND 50. TEMPERATURE FALLING INTO THE  
LOWER 40S IN THE AFTERNOON. CHANCE OF PRECIPITATION 20 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS IN THE MID 20S.   
THURSDAY
 
PARTLY CLOUDY AND BREEZY. HIGHS IN THE MID 40S.  
 

 
 
WYZ017-121100-  
WIND RIVER BASIN-  
INCLUDING THE CITIES OF RIVERTON AND SHOSHONI  
917 PM MST THU DEC 11 2025  
   
TONIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTHWEST WINDS  
10 TO 15 MPH WITH GUSTS UP TO 30 MPH.    
FRIDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 50S. WEST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 30 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS AROUND 30.  
SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.    
SATURDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS  
AROUND 50. WEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH IN THE  
MORNING.    
SATURDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHWEST WINDS AROUND  
10 MPH.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 50S.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 20S.    
MONDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS  
AROUND 50.    
MONDAY NIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS IN THE LOWER 30S.    
TUESDAY
 
PARTLY CLOUDY AND BREEZY. HIGHS IN THE LOWER 50S.    
TUESDAY NIGHT
 
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS WITH A  
SLIGHT CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. BREEZY WITH LOWS IN  
THE MID 30S. CHANCE OF PRECIPITATION 30 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS  
IN THE MORNING, THEN MOSTLY SUNNY WITH A SLIGHT CHANCE OF RAIN  
AND SNOW SHOWERS IN THE AFTERNOON. BREEZY WITH HIGHS IN THE UPPER  
40S. CHANCE OF PRECIPITATION 30 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS IN THE MID 20S.   
THURSDAY
 
PARTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN THE  
AFTERNOON. HIGHS IN THE MID 40S. CHANCE OF SNOW 30 PERCENT.  
 

 
 
WYZ018-121100-  
LANDER FOOTHILLS-  
INCLUDING THE CITY OF LANDER  
917 PM MST THU DEC 11 2025  
   
TONIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST WINDS  
10 TO 15 MPH WITH GUSTS UP TO 30 MPH.    
FRIDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 50S. WEST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 25 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS AROUND 30.  
SOUTHWEST WINDS 15 TO 20 MPH.    
SATURDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 50S. SOUTHWEST  
WINDS 10 TO 15 MPH IN THE MORNING.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 30. SOUTHWEST WINDS  
AROUND 10 MPH.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 30.    
MONDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN  
THE LOWER 50S.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 30S.    
TUESDAY
 
PARTLY CLOUDY AND BREEZY. HIGHS IN THE LOWER 50S.    
TUESDAY NIGHT
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS IN THE  
EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT. BREEZY WITH  
LOWS IN THE MID 30S. CHANCE OF RAIN 30 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A  
SLIGHT CHANCE OF SNOW SHOWERS. A CHANCE OF RAIN SHOWERS, MAINLY  
IN THE MORNING. BREEZY WITH HIGHS IN THE UPPER 40S. CHANCE OF  
PRECIPITATION 30 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS IN THE MID 20S.   
THURSDAY
 
PARTLY CLOUDY. A CHANCE OF SNOW AND RAIN SHOWERS IN  
THE AFTERNOON. HIGHS IN THE MID 40S. CHANCE OF PRECIPITATION  
30 PERCENT.  
 

 
 
WYZ028-121100-  
ROCK SPRINGS AND GREEN RIVER-  
INCLUDING THE CITIES OF ROCK SPRINGS AND GREEN RIVER  
917 PM MST THU DEC 11 2025  
   
TONIGHT
 
MOSTLY CLEAR AND BREEZY. LOWS AROUND 30. WEST WINDS  
15 TO 20 MPH WITH GUSTS UP TO 30 MPH.    
FRIDAY
 
MOSTLY SUNNY AND BREEZY. HIGHS AROUND 50. WEST WINDS  
15 TO 20 MPH WITH GUSTS UP TO 30 MPH.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 20S. WEST WINDS  
10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. WEST WINDS  
10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 20S.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN  
THE UPPER 40S.    
SUNDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. COLD  
WITH LOWS AROUND 20.    
MONDAY
 
MOSTLY SUNNY. HIGHS AROUND 50.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 30.    
TUESDAY
 
PARTLY CLOUDY. HIGHS AROUND 50.    
TUESDAY NIGHT
 
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN AND SNOW  
SHOWERS AFTER MIDNIGHT. BREEZY WITH LOWS IN THE LOWER 30S. CHANCE  
OF PRECIPITATION 20 PERCENT.    
WEDNESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS  
IN THE MORNING, THEN PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN  
AND SNOW SHOWERS IN THE AFTERNOON. BREEZY WITH HIGHS IN THE MID  
40S. CHANCE OF PRECIPITATION 30 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS IN THE MID 20S.   
THURSDAY
 
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN AND SNOW  
SHOWERS IN THE AFTERNOON. HIGHS IN THE MID 40S. CHANCE OF  
PRECIPITATION 20 PERCENT.  
 

 
 
WYZ013-121100-  
JACKSON HOLE-  
INCLUDING THE CITY OF JACKSON  
917 PM MST THU DEC 11 2025  
   
TONIGHT
 
PARTLY CLOUDY. A CHANCE OF RAIN AND SNOW SHOWERS AFTER  
MIDNIGHT. LOWS AROUND 30. SOUTH WINDS AROUND 10 MPH. CHANCE OF  
PRECIPITATION 30 PERCENT.    
FRIDAY
 
PARTLY CLOUDY. A CHANCE OF RAIN AND SNOW SHOWERS IN THE  
MORNING. HIGHS AROUND 40. SOUTHWEST WINDS AROUND 10 MPH. CHANCE  
OF PRECIPITATION 30 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 20S. SOUTHWEST  
WINDS AROUND 10 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 40S.    
SATURDAY NIGHT
 
MOSTLY CLEAR. COLD WITH LOWS AROUND 20.    
SUNDAY
 
SUNNY. HIGHS IN THE MID 40S.    
SUNDAY NIGHT
 
CLEAR, COLD WITH LOWS 15 TO 20.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 40S.    
MONDAY NIGHT
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SNOW  
SHOWERS IN THE EVENING, THEN MOSTLY CLOUDY WITH A CHANCE OF SNOW  
AND RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE MID 20S. CHANCE OF  
PRECIPITATION 30 PERCENT.    
TUESDAY
 
A CHANCE OF SNOW AND RAIN SHOWERS IN THE MORNING, THEN  
RAIN AND SNOW SHOWERS LIKELY IN THE AFTERNOON. LITTLE OR NO SNOW  
ACCUMULATION. HIGHS AROUND 40. CHANCE OF PRECIPITATION  
70 PERCENT.    
TUESDAY NIGHT
 
RAIN AND SNOW SHOWERS. LIGHT SNOW ACCUMULATION.  
BREEZY WITH LOWS IN THE UPPER 20S. CHANCE OF PRECIPITATION  
80 PERCENT.    
WEDNESDAY
 
SNOW AND RAIN SHOWERS IN THE MORNING, THEN SNOW  
SHOWERS LIKELY IN THE AFTERNOON. NEW LIGHT SNOW ACCUMULATION.  
BREEZY WITH HIGHS IN THE UPPER 30S. CHANCE OF PRECIPITATION  
80 PERCENT.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW  
SHOWERS. NEW LIGHT SNOW ACCUMULATION POSSIBLE. BREEZY, COLD WITH  
LOWS AROUND 20.    
THURSDAY
 
SNOW SHOWERS. NEW LIGHT SNOW ACCUMULATION. HIGHS IN  
THE MID 30S. CHANCE OF SNOW 80 PERCENT.  
 

 
 
WYZ003-121100-  
CODY FOOTHILLS-  
INCLUDING THE CITIES OF CLARK, CODY, AND MEETEETSE  
917 PM MST THU DEC 11 2025  
   
TONIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS. A CHANCE  
OF RAIN SHOWERS LATE THIS EVENING, THEN A SLIGHT CHANCE OF RAIN  
SHOWERS AFTER MIDNIGHT. COOLER WITH LOWS IN THE UPPER 20S. NORTH  
WINDS 10 TO 15 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF  
PRECIPITATION 30 PERCENT.    
FRIDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS IN THE  
MORNING, THEN PARTLY CLOUDY IN THE AFTERNOON. HIGHS IN THE LOWER  
40S. NORTH WINDS 10 TO 15 MPH WITH GUSTS UP TO 35 MPH. CHANCE OF  
SNOW 30 PERCENT.    
FRIDAY NIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS IN THE UPPER 20S.  
WEST WINDS 15 TO 20 MPH WITH GUSTS UP TO 50 MPH.    
SATURDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. BREEZY  
WITH HIGHS IN THE LOWER 40S. NORTHWEST WINDS 15 TO 20 MPH WITH  
GUSTS UP TO 35 MPH, BECOMING SOUTHEAST AROUND 10 MPH WITH GUSTS  
UP TO 25 MPH IN THE AFTERNOON.    
SATURDAY NIGHT
 
MOSTLY CLEAR AND BREEZY. LOWS IN THE LOWER 30S.  
SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.    
SUNDAY
 
PARTLY CLOUDY AND BREEZY. HIGHS IN THE MID 50S.    
SUNDAY NIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS IN THE MID 30S.    
MONDAY
 
PARTLY CLOUDY AND BREEZY. HIGHS IN THE LOWER 50S.    
MONDAY NIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS AROUND 40.    
TUESDAY
 
PARTLY CLOUDY. A SLIGHT CHANCE OF. BREEZY WITH HIGHS  
IN THE LOWER 50S.    
TUESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. A  
SLIGHT CHANCE OF SNOW SHOWERS IN THE EVENING, THEN A CHANCE OF  
SNOW SHOWERS AFTER MIDNIGHT. BREEZY WITH LOWS IN THE MID 30S.  
CHANCE OF PRECIPITATION 40 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS. A  
CHANCE OF RAIN SHOWERS, MAINLY IN THE MORNING. BREEZY WITH HIGHS  
IN THE UPPER 40S. TEMPERATURE FALLING INTO THE UPPER 30S IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 30 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS IN THE MID 20S.   
THURSDAY
 
PARTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN THE  
AFTERNOON. BREEZY WITH HIGHS IN THE LOWER 40S. CHANCE OF SNOW  
30 PERCENT.  
 

 
 
WYZ004-121100-  
NORTH BIGHORN BASIN-  
INCLUDING THE CITIES OF BASIN, GREYBULL, LOVELL, POWELL,  
AND SHELL  
917 PM MST THU DEC 11 2025  
   
TONIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS.  
LOWS IN THE UPPER 20S. NORTHWEST WINDS AROUND 10 MPH. CHANCE OF  
PRECIPITATION 30 PERCENT.    
FRIDAY
 
CLOUDY WITH A CHANCE OF SNOW SHOWERS IN THE MORNING,  
THEN PARTLY CLOUDY IN THE AFTERNOON. COOLER WITH HIGHS IN THE MID  
30S. NORTHWEST WINDS AROUND 10 MPH IN THE MORNING. CHANCE OF SNOW  
30 PERCENT.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTH WINDS  
AROUND 10 MPH WITH GUSTS UP TO 20 MPH AFTER MIDNIGHT.    
SATURDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HIGHS AROUND 40. NORTHWEST WINDS AROUND 10 MPH WITH GUSTS  
UP TO 20 MPH IN THE MORNING.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 20S. SOUTHEAST  
WINDS AROUND 10 MPH.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 40S.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 20S.    
MONDAY
 
PARTLY CLOUDY. HIGHS AROUND 50.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 30S.    
TUESDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 50S.    
TUESDAY NIGHT
 
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS  
IN THE EVENING, THEN A CHANCE OF RAIN SHOWERS WITH A SLIGHT  
CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 30S.  
CHANCE OF PRECIPITATION 30 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS. A  
CHANCE OF RAIN SHOWERS, MAINLY IN THE MORNING. HIGHS AROUND 50.  
TEMPERATURE FALLING INTO THE LOWER 40S IN THE AFTERNOON. CHANCE  
OF PRECIPITATION 30 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 20S.    
THURSDAY
 
PARTLY CLOUDY. HIGHS IN THE MID 40S.  
 

 
 
WYZ006-121100-  
SOUTHEAST BIGHORN BASIN-  
INCLUDING THE CITIES OF TEN SLEEP AND WORLAND  
917 PM MST THU DEC 11 2025  
   
TONIGHT
 
MOSTLY CLOUDY. LOWS AROUND 30.    
FRIDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HIGHS AROUND 40.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 20S. SOUTH WINDS  
AROUND 10 MPH.    
SATURDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS  
AROUND 40.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 20S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 50S.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 20S.    
MONDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN  
THE LOWER 50S.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 30S.    
TUESDAY
 
PARTLY CLOUDY. HIGHS IN THE MID 50S.    
TUESDAY NIGHT
 
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS  
AFTER MIDNIGHT. LOWS IN THE MID 30S. CHANCE OF RAIN 20 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS  
IN THE MORNING, THEN MOSTLY SUNNY WITH A SLIGHT CHANCE OF RAIN  
AND SNOW SHOWERS IN THE AFTERNOON. BREEZY WITH HIGHS AROUND 50.  
TEMPERATURE FALLING INTO THE MID 40S IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 30 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 20S.    
THURSDAY
 
PARTLY CLOUDY. HIGHS IN THE MID 40S.  
 

 
 
WYZ005-121100-  
SOUTHWEST BIGHORN BASIN-  
INCLUDING THE CITY OF THERMOPOLIS  
917 PM MST THU DEC 11 2025  
   
TONIGHT
 
PARTLY CLOUDY. LOWS AROUND 30.    
FRIDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HIGHS AROUND 40.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHWEST  
WINDS AROUND 10 MPH.    
SATURDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN  
THE LOWER 40S.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 20S. SOUTHWEST  
WINDS AROUND 10 MPH AFTER MIDNIGHT.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 50S.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 20S.    
MONDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 50S.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 30S.    
TUESDAY
 
PARTLY CLOUDY AND BREEZY. HIGHS IN THE MID 50S.    
TUESDAY NIGHT
 
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS AFTER  
MIDNIGHT. BREEZY WITH LOWS IN THE MID 30S. CHANCE OF RAIN  
30 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS  
IN THE MORNING, THEN MOSTLY SUNNY WITH A SLIGHT CHANCE OF RAIN  
AND SNOW SHOWERS IN THE AFTERNOON. BREEZY WITH HIGHS AROUND 50.  
TEMPERATURE FALLING INTO THE LOWER 40S IN THE AFTERNOON. CHANCE  
OF PRECIPITATION 30 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 20S.    
THURSDAY
 
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE MID  
40S.  
 

 
 
WYZ023-121100-  
STAR VALLEY-  
INCLUDING THE CITIES OF AFTON, ALPINE, STAR VALLEY RANCH,  
AND THAYNE  
917 PM MST THU DEC 11 2025  
   
TONIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 20S.    
FRIDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 40S.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 20.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 40S.    
SATURDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE LOWER 20S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS AROUND 50.    
SUNDAY NIGHT
 
MOSTLY CLEAR. COLD WITH LOWS AROUND 20.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 40S.    
MONDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY  
WITH A CHANCE OF RAIN AND SNOW SHOWERS AFTER MIDNIGHT. LOWS  
AROUND 30. CHANCE OF PRECIPITATION 30 PERCENT.    
TUESDAY
 
A CHANCE OF RAIN AND SNOW SHOWERS IN THE MORNING, THEN  
RAIN SHOWERS LIKELY WITH A SLIGHT CHANCE OF SNOW SHOWERS IN THE  
AFTERNOON. LITTLE OR NO SNOW ACCUMULATION. HIGHS IN THE LOWER  
40S. CHANCE OF PRECIPITATION 60 PERCENT.    
TUESDAY NIGHT
 
A SLIGHT CHANCE OF SNOW SHOWERS. RAIN SHOWERS.  
LITTLE OR NO SNOW ACCUMULATION. LOWS AROUND 30. CHANCE OF  
PRECIPITATION 80 PERCENT.    
WEDNESDAY
 
SNOW AND RAIN SHOWERS IN THE MORNING, THEN SNOW  
SHOWERS LIKELY IN THE AFTERNOON. LIGHT SNOW ACCUMULATION. HIGHS  
IN THE UPPER 30S. CHANCE OF PRECIPITATION 80 PERCENT.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW  
SHOWERS. NEW LIGHT SNOW ACCUMULATION POSSIBLE. LOWS IN THE LOWER  
20S.    
THURSDAY
 
SNOW SHOWERS LIKELY. NEW LIGHT SNOW ACCUMULATION  
POSSIBLE. HIGHS IN THE UPPER 30S. CHANCE OF SNOW 70 PERCENT.  
 

 
 
WYZ025-121100-  
UPPER GREEN RIVER BASIN FOOTHILLS-  
INCLUDING THE CITY OF PINEDALE  
917 PM MST THU DEC 11 2025  
   
TONIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 20S. NORTHWEST WINDS  
AROUND 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. HIGHS AROUND 40. NORTHWEST WINDS AROUND  
10 MPH.    
FRIDAY NIGHT
 
MOSTLY CLEAR. COLD WITH LOWS AROUND 20. NORTHWEST  
WINDS AROUND 10 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS AROUND 40. NORTHWEST WINDS AROUND  
10 MPH IN THE MORNING.    
SATURDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. COLD WITH LOWS AROUND 20.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 40S.    
SUNDAY NIGHT
 
MOSTLY CLEAR. COLD WITH LOWS 15 TO 20.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 40S.    
MONDAY NIGHT
 
PARTLY CLOUDY. A SLIGHT CHANCE OF. LOWS IN THE  
LOWER 20S.    
TUESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS. A CHANCE  
OF RAIN SHOWERS IN THE AFTERNOON. HIGHS AROUND 40. CHANCE OF  
PRECIPITATION 30 PERCENT.    
TUESDAY NIGHT
 
RAIN SHOWERS LIKELY WITH A CHANCE OF SNOW  
SHOWERS IN THE EVENING, THEN SNOW SHOWERS LIKELY WITH A CHANCE OF  
RAIN SHOWERS AFTER MIDNIGHT. LIGHT SNOW ACCUMULATION POSSIBLE.  
LOWS IN THE MID 20S. CHANCE OF PRECIPITATION 70 PERCENT.    
WEDNESDAY
 
MOSTLY CLOUDY WITH SNOW SHOWERS. NEW LIGHT SNOW  
ACCUMULATION. BREEZY WITH HIGHS IN THE MID 30S. CHANCE OF SNOW  
80 PERCENT.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW  
SHOWERS. COLD WITH LOWS 15 TO 20.    
THURSDAY
 
MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN THE  
MORNING, THEN SNOW SHOWERS LIKELY IN THE AFTERNOON. LIGHT SNOW  
ACCUMULATION POSSIBLE. HIGHS IN THE MID 30S. CHANCE OF SNOW  
60 PERCENT.  
 

 
 
WYZ026-121100-  
UPPER GREEN RIVER BASIN-  
INCLUDING THE CITIES OF LA BARGE, BIG PINEY, AND FARSON  
917 PM MST THU DEC 11 2025  
   
TONIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 20S. WEST WINDS AROUND  
10 MPH WITH GUSTS UP TO 20 MPH.    
FRIDAY
 
PARTLY CLOUDY. HIGHS IN THE MID 40S. WEST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 25 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. COLD  
WITH LOWS AROUND 20. WEST WINDS AROUND 10 MPH WITH GUSTS UP TO  
25 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 40S. NORTHWEST WINDS  
AROUND 10 MPH WITH GUSTS UP TO 25 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. COLD WITH LOWS AROUND 20.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 40S.    
SUNDAY NIGHT
 
MOSTLY CLEAR. COLD WITH LOWS 15 TO 20.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 40S.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S.    
TUESDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE MID 40S.    
TUESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS. A SLIGHT CHANCE OF RAIN  
SHOWERS IN THE EVENING, THEN A CHANCE OF RAIN SHOWERS AFTER  
MIDNIGHT. BREEZY WITH LOWS IN THE UPPER 20S. CHANCE OF  
PRECIPITATION 30 PERCENT.    
WEDNESDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. A CHANCE OF RAIN SHOWERS IN THE MORNING. A CHANCE OF SNOW  
SHOWERS. BREEZY WITH HIGHS IN THE LOWER 40S. CHANCE OF  
PRECIPITATION 30 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY AND BREEZY, COLD WITH LOWS  
AROUND 20.    
THURSDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. A 30 PERCENT CHANCE OF SNOW SHOWERS. HIGHS AROUND 40.  
 

 
 
WYZ010-121100-  
NORTHEAST JOHNSON COUNTY-  
INCLUDING THE CITY OF BUFFALO  
917 PM MST THU DEC 11 2025  
 
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO  
7 AM MST FRIDAY...  
   
TONIGHT
 
CLOUDY WITH SNOW SHOWERS LIKELY. SNOW ACCUMULATION UP  
TO 1 INCH. MUCH COLDER WITH LOWS AROUND 19. NORTH WINDS 10 TO  
15 MPH. CHANCE OF SNOW 60 PERCENT.    
FRIDAY
 
CLOUDY. SNOW SHOWERS LIKELY IN THE MORNING. NEW SNOW  
ACCUMULATION UP TO 1 INCH. MUCH COOLER WITH HIGHS IN THE MID 20S.  
NORTHEAST WINDS AROUND 10 MPH. CHANCE OF SNOW 60 PERCENT.    
FRIDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. COLD WITH LOWS 13 TO 17. SOUTHEAST WINDS AROUND  
10 MPH, BECOMING NORTH AFTER MIDNIGHT.    
SATURDAY
 
CLOUDY IN THE MORNING, THEN BECOMING PARTLY CLOUDY.  
HIGHS IN THE UPPER 20S. NORTH WINDS AROUND 10 MPH, BECOMING  
SOUTHEAST IN THE AFTERNOON.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 20S. SOUTH  
WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH.    
SUNDAY
 
MOSTLY SUNNY. NOT AS COOL WITH HIGHS IN THE MID 50S.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 20S.    
MONDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN  
THE MID 50S.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 30S.    
TUESDAY
 
PARTLY CLOUDY. HIGHS IN THE MID 50S.    
TUESDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. A SLIGHT CHANCE OF. LOWS IN THE LOWER 30S.    
WEDNESDAY
 
PARTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS. A  
CHANCE OF RAIN SHOWERS, MAINLY IN THE MORNING. HIGHS IN THE UPPER  
40S. TEMPERATURE FALLING INTO THE UPPER 30S IN THE AFTERNOON.  
CHANCE OF PRECIPITATION 30 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 20S.    
THURSDAY
 
PARTLY CLOUDY. HIGHS IN THE MID 40S.  
 

 
 
WYZ011-121100-  
SOUTHEAST JOHNSON COUNTY-  
INCLUDING THE CITY OF KAYCEE  
917 PM MST THU DEC 11 2025  
   
TONIGHT
 
A CHANCE OF RAIN SHOWERS LATE THIS EVENING. CLOUDY  
WITH A CHANCE OF SNOW SHOWERS. MUCH COOLER WITH LOWS IN THE LOWER  
20S. NORTHEAST WINDS 10 TO 15 MPH. CHANCE OF PRECIPITATION  
30 PERCENT.    
FRIDAY
 
MOSTLY CLOUDY. MUCH COOLER WITH HIGHS IN THE LOWER 30S.  
NORTHEAST WINDS AROUND 10 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY. COLD WITH LOWS AROUND 20. SOUTH  
WINDS AROUND 10 MPH, BECOMING WEST AFTER MIDNIGHT.    
SATURDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HIGHS IN THE MID 30S. NORTH WINDS AROUND 10 MPH WITH  
GUSTS UP TO 20 MPH IN THE MORNING.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTHWEST  
WINDS 10 TO 15 MPH.    
SUNDAY
 
MOSTLY SUNNY. NOT AS COOL WITH HIGHS AROUND 60.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 30.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S.    
MONDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. BREEZY WITH LOWS IN THE UPPER 30S.    
TUESDAY
 
PARTLY CLOUDY AND BREEZY. HIGHS IN THE UPPER 50S.    
TUESDAY NIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS IN THE MID 30S.    
WEDNESDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW  
SHOWERS. BREEZY WITH HIGHS AROUND 50. TEMPERATURE FALLING INTO  
THE LOWER 40S IN THE AFTERNOON. CHANCE OF PRECIPITATION  
20 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 20S.    
THURSDAY
 
PARTLY CLOUDY. HIGHS IN THE UPPER 40S.  
 

 
 
WYZ027-121100-  
SOUTH LINCOLN COUNTY-  
INCLUDING THE CITIES OF KEMMERER AND COKEVILLE  
917 PM MST THU DEC 11 2025  
   
TONIGHT
 
PARTLY CLOUDY. LOWS AROUND 30. WEST WINDS 10 TO 15 MPH  
WITH GUSTS UP TO 25 MPH.    
FRIDAY
 
PARTLY CLOUDY AND BREEZY. HIGHS IN THE MID 40S. WEST  
WINDS 15 TO 20 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
IN THE MID 20S. WEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 40S. WEST WINDS 10 TO  
15 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN  
THE MID 40S.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 20.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 40S.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 20S.    
TUESDAY
 
PARTLY CLOUDY. HIGHS IN THE UPPER 40S.    
TUESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. A SLIGHT CHANCE OF SNOW  
SHOWERS IN THE EVENING, THEN A CHANCE OF SNOW SHOWERS AFTER  
MIDNIGHT. BREEZY WITH LOWS AROUND 30. CHANCE OF PRECIPITATION  
30 PERCENT.    
WEDNESDAY
 
MOSTLY CLOUDY WITH RAIN AND SNOW SHOWERS LIKELY IN  
THE MORNING, THEN PARTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS IN  
THE AFTERNOON. LITTLE OR NO SNOW ACCUMULATION. BREEZY WITH HIGHS  
AROUND 40. CHANCE OF PRECIPITATION 60 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY. A SLIGHT CHANCE OF SNOW SHOWERS  
IN THE EVENING, THEN A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT.  
BREEZY WITH LOWS IN THE MID 20S. CHANCE OF SNOW 30 PERCENT.    
THURSDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. A 30 PERCENT CHANCE OF SNOW SHOWERS. BREEZY WITH HIGHS  
AROUND 40.  
 

 
 
WYZ016-121100-  
UPPER WIND RIVER BASIN-  
INCLUDING THE CITY OF DUBOIS  
917 PM MST THU DEC 11 2025  
   
TONIGHT
 
MOSTLY CLEAR AND BREEZY. LOWS IN THE MID 30S. WEST  
WINDS 20 TO 25 MPH WITH GUSTS UP TO 45 MPH.    
FRIDAY
 
PARTLY CLOUDY AND WINDY. HIGHS IN THE UPPER 40S. WEST  
WINDS 20 TO 30 MPH WITH GUSTS UP TO 40 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
WINDY WITH LOWS IN THE LOWER 30S. WEST WINDS 20 TO 30 MPH WITH  
GUSTS UP TO 45 MPH.    
SATURDAY
 
MOSTLY SUNNY AND BREEZY. HIGHS IN THE UPPER 40S. WEST  
WINDS 20 TO 25 MPH WITH GUSTS UP TO 40 MPH, DIMINISHING TO 10 TO  
15 MPH WITH GUSTS UP TO 30 MPH IN THE AFTERNOON.    
SATURDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
BREEZY WITH LOWS IN THE LOWER 30S. WEST WINDS 15 TO 20 MPH.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S.    
SUNDAY NIGHT
 
MOSTLY CLEAR AND BREEZY. LOWS IN THE LOWER 30S.    
MONDAY
 
MOSTLY SUNNY AND BREEZY. HIGHS AROUND 50.    
MONDAY NIGHT
 
PARTLY CLOUDY. A SLIGHT CHANCE OF. BREEZY WITH  
LOWS IN THE MID 30S.    
TUESDAY
 
PARTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS. A SLIGHT  
CHANCE OF RAIN SHOWERS IN THE MORNING, THEN A CHANCE OF RAIN  
SHOWERS IN THE AFTERNOON. BREEZY WITH HIGHS IN THE UPPER 40S.  
CHANCE OF PRECIPITATION 30 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY. A CHANCE OF RAIN AND SNOW SHOWERS  
IN THE EVENING, THEN SNOW AND RAIN SHOWERS LIKELY AFTER MIDNIGHT.  
LIGHT SNOW ACCUMULATION POSSIBLE. BREEZY WITH LOWS IN THE LOWER  
30S. CHANCE OF PRECIPITATION 60 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY. SNOW SHOWERS LIKELY WITH A CHANCE OF  
RAIN SHOWERS IN THE MORNING, THEN A CHANCE OF SNOW SHOWERS IN THE  
AFTERNOON. NEW LIGHT SNOW ACCUMULATION POSSIBLE. WINDY WITH HIGHS  
AROUND 40. CHANCE OF PRECIPITATION 60 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW  
SHOWERS. BREEZY WITH LOWS IN THE LOWER 20S.    
THURSDAY
 
PARTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN THE  
MORNING, THEN SNOW SHOWERS LIKELY IN THE AFTERNOON. LITTLE OR NO  
SNOW ACCUMULATION. BREEZY WITH HIGHS IN THE UPPER 30S. CHANCE OF  
SNOW 60 PERCENT.  
 

 
 
WYZ001-121100-  
YELLOWSTONE NATIONAL PARK-  
INCLUDING THE CITIES OF LAKE, MAMMOTH, AND OLD FAITHFUL  
917 PM MST THU DEC 11 2025  
   
TONIGHT
 
A CHANCE OF RAIN SHOWERS LATE THIS EVENING. CLOUDY  
WITH SNOW SHOWERS LIKELY. SNOW ACCUMULATION AROUND 5 INCHES.  
BREEZY WITH LOWS IN THE UPPER 20S. SOUTHWEST WINDS 15 TO 20 MPH  
WITH GUSTS UP TO 30 MPH. CHANCE OF PRECIPITATION 60 PERCENT.    
FRIDAY
 
MOSTLY CLOUDY. SNOW SHOWERS LIKELY, MAINLY IN THE  
MORNING. NEW SNOW ACCUMULATION UP TO 2 INCHES. BREEZY WITH HIGHS  
IN THE MID 30S. SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS UP TO  
35 MPH. CHANCE OF SNOW 60 PERCENT.    
FRIDAY NIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS IN THE LOWER 20S.  
SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS UP TO 40 MPH.    
SATURDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN  
THE MID 30S. SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS UP TO  
25 MPH.    
SATURDAY NIGHT
 
MOSTLY CLEAR. COLD WITH LOWS 13 TO 19. SOUTH  
WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 30S.    
SUNDAY NIGHT
 
MOSTLY CLEAR. COLD WITH LOWS 15 TO 21.    
MONDAY
 
PARTLY CLOUDY. HIGHS IN THE MID 30S.    
MONDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY  
WITH A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. LOWS IN THE MID  
20S. CHANCE OF SNOW 40 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN THE  
MORNING, THEN SNOW SHOWERS LIKELY IN THE AFTERNOON. LIGHT SNOW  
ACCUMULATION POSSIBLE. BREEZY WITH HIGHS IN THE MID 30S. CHANCE  
OF SNOW 60 PERCENT.    
TUESDAY NIGHT
 
SNOW SHOWERS. NEW MODERATE SNOW ACCUMULATION.  
BREEZY WITH LOWS IN THE MID 20S. CHANCE OF SNOW 80 PERCENT.    
WEDNESDAY
 
MOSTLY CLOUDY WITH SNOW SHOWERS. NEW LIGHT SNOW  
ACCUMULATION. BREEZY WITH HIGHS AROUND 30. CHANCE OF SNOW  
80 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF SNOW SHOWERS. BREEZY, COLD  
WITH LOWS 10 TO 20.    
THURSDAY
 
SNOW SHOWERS. LIGHT SNOW ACCUMULATION. HIGHS IN THE  
UPPER 20S. CHANCE OF SNOW 80 PERCENT.  
 

 
 
WYZ029-121100-  
FLAMING GORGE-  
917 PM MST THU DEC 11 2025  
   
TONIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. WEST WINDS AROUND  
10 MPH.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. WEST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 25 MPH.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 30. WEST WINDS AROUND  
10 MPH WITH GUSTS UP TO 20 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. WEST WINDS  
10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 20S.    
SUNDAY
 
PARTLY CLOUDY. HIGHS AROUND 50.    
SUNDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
IN THE MID 20S.    
MONDAY
 
MOSTLY SUNNY. HIGHS AROUND 50.    
MONDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. LOWS AROUND 30.    
TUESDAY
 
PARTLY CLOUDY. HIGHS AROUND 50.    
TUESDAY NIGHT
 
PARTLY CLOUDY. A SLIGHT CHANCE OF. BREEZY WITH  
LOWS IN THE LOWER 30S.    
WEDNESDAY
 
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW  
SHOWERS IN THE MORNING, THEN PARTLY CLOUDY IN THE AFTERNOON.  
BREEZY WITH HIGHS IN THE MID 40S. CHANCE OF PRECIPITATION  
20 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS IN THE UPPER  
20S.    
THURSDAY
 
PARTLY CLOUDY. HIGHS IN THE MID 40S.  
 

 
 
WYZ022-121100-  
CASPER MOUNTAIN-  
917 PM MST THU DEC 11 2025  
   
TONIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 20S. WEST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 25 MPH.    
FRIDAY
 
PARTLY CLOUDY AND BREEZY. HIGHS IN THE MID 40S. WEST  
WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS AROUND 30.  
SOUTHWEST WINDS 20 TO 25 MPH. GUSTS UP TO 40 MPH, INCREASING TO  
50 MPH AFTER MIDNIGHT.    
SATURDAY
 
PARTLY CLOUDY AND BREEZY. HIGHS AROUND 40. WEST WINDS  
15 TO 20 MPH WITH GUSTS UP TO 40 MPH, DIMINISHING TO AROUND  
10 MPH WITH GUSTS UP TO 20 MPH IN THE AFTERNOON.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 20S. SOUTHWEST  
WINDS 10 TO 15 MPH. GUSTS UP TO 30 MPH AFTER MIDNIGHT.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 40S.    
SUNDAY NIGHT
 
MOSTLY CLEAR AND BREEZY. LOWS IN THE LOWER 30S.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 40S.    
MONDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. BREEZY WITH LOWS IN THE MID 30S.    
TUESDAY
 
PARTLY CLOUDY AND BREEZY. HIGHS IN THE MID 40S.    
TUESDAY NIGHT
 
PARTLY CLOUDY AND WINDY. LOWS IN THE MID 30S.    
WEDNESDAY
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW  
SHOWERS. WINDY WITH HIGHS IN THE LOWER 40S. CHANCE OF  
PRECIPITATION 20 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS IN THE MID 20S.   
THURSDAY
 
PARTLY CLOUDY AND BREEZY. HIGHS IN THE UPPER 30S.  
 

 
 
WYZ002-121100-  
ABSAROKA MOUNTAINS-  
917 PM MST THU DEC 11 2025  
   
TONIGHT
 
PARTLY CLOUDY WITH SNOW SHOWERS LIKELY. STORM TOTAL  
SNOW ACCUMULATION AROUND AN INCH. WINDY. NEAR STEADY TEMPERATURE  
IN THE LOWER 30S. WEST WINDS 20 TO 30 MPH WITH GUSTS UP TO  
45 MPH. CHANCE OF SNOW 60 PERCENT.    
FRIDAY
 
PARTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN THE MORNING.  
WINDY WITH HIGHS IN THE MID 30S. WEST WINDS 20 TO 30 MPH WITH  
GUSTS UP TO 50 MPH. CHANCE OF SNOW 30 PERCENT.    
FRIDAY NIGHT
 
PARTLY CLOUDY AND WINDY. LOWS IN THE MID 20S.  
WEST WINDS 25 TO 35 MPH WITH GUSTS UP TO 60 MPH.    
SATURDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. WINDY  
WITH HIGHS IN THE MID 30S. WEST WINDS 20 TO 30 MPH WITH GUSTS UP  
TO 50 MPH, DIMINISHING TO 15 TO 20 MPH WITH GUSTS UP TO 30 MPH IN  
THE AFTERNOON.    
SATURDAY NIGHT
 
MOSTLY CLEAR AND BREEZY. LOWS IN THE MID 20S.  
WEST WINDS 15 TO 20 MPH WITH GUSTS UP TO 35 MPH.    
SUNDAY
 
MOSTLY SUNNY AND BREEZY. HIGHS IN THE LOWER 40S.    
SUNDAY NIGHT
 
MOSTLY CLEAR AND BREEZY. LOWS IN THE MID 20S.    
MONDAY
 
PARTLY CLOUDY AND BREEZY. HIGHS IN THE UPPER 30S.    
MONDAY NIGHT
 
PARTLY CLOUDY. A SLIGHT CHANCE OF. WINDY WITH  
LOWS IN THE UPPER 20S.    
TUESDAY
 
PARTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS. A CHANCE  
OF RAIN SHOWERS IN THE AFTERNOON. WINDY WITH HIGHS IN THE MID  
30S. CHANCE OF PRECIPITATION 40 PERCENT.    
TUESDAY NIGHT
 
SNOW SHOWERS LIKELY. MODERATE SNOW ACCUMULATION  
POSSIBLE. WINDY WITH LOWS IN THE MID 20S. CHANCE OF SNOW  
60 PERCENT.    
WEDNESDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. SNOW SHOWERS LIKELY. NEW LIGHT SNOW ACCUMULATION  
POSSIBLE. WINDY WITH HIGHS IN THE UPPER 20S. CHANCE OF SNOW  
70 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW  
SHOWERS. WINDY, COLD WITH LOWS 13 TO 21.    
THURSDAY
 
PARTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN THE  
MORNING, THEN SNOW SHOWERS LIKELY IN THE AFTERNOON. LIGHT SNOW  
ACCUMULATION POSSIBLE. BREEZY WITH HIGHS IN THE UPPER 20S. CHANCE  
OF SNOW 60 PERCENT.  
 

 
 
WYZ007-121100-  
OWL CREEK AND BRIDGER MOUNTAINS-  
917 PM MST THU DEC 11 2025  
   
TONIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 30S. NORTH WINDS  
AROUND 10 MPH.    
FRIDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN  
THE MID 40S. WEST WINDS 10 TO 15 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS IN THE LOWER 30S.  
SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.    
SATURDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN  
THE LOWER 40S. NORTHWEST WINDS 10 TO 15 MPH, BECOMING SOUTHEAST  
IN THE AFTERNOON.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 30. SOUTHWEST WINDS  
10 TO 15 MPH.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 40S.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S.    
MONDAY
 
PARTLY CLOUDY. HIGHS IN THE UPPER 40S.    
MONDAY NIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS IN THE MID 30S.    
TUESDAY
 
PARTLY CLOUDY AND BREEZY. HIGHS AROUND 50.    
TUESDAY NIGHT
 
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN AND SNOW  
SHOWERS IN THE EVENING, THEN A CHANCE OF RAIN AND SNOW SHOWERS  
AFTER MIDNIGHT. BREEZY WITH LOWS IN THE MID 30S. CHANCE OF  
PRECIPITATION 30 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY WITH A CHANCE OF SNOW AND RAIN SHOWERS  
IN THE MORNING, THEN MOSTLY SUNNY WITH A SLIGHT CHANCE OF SNOW  
SHOWERS IN THE AFTERNOON. BREEZY WITH HIGHS IN THE MID 40S.  
TEMPERATURE FALLING INTO THE UPPER 30S IN THE AFTERNOON. CHANCE  
OF PRECIPITATION 30 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS IN THE MID 20S.   
THURSDAY
 
PARTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN THE  
AFTERNOON. BREEZY WITH HIGHS AROUND 40. CHANCE OF SNOW  
30 PERCENT.  
 

 
 
WYZ008-121100-  
BIGHORN MOUNTAINS WEST-  
917 PM MST THU DEC 11 2025  
 
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO  
7 AM MST FRIDAY...  
   
TONIGHT
 
SNOW SHOWERS WITH A CHANCE OF RAIN SHOWERS LATE THIS  
EVENING, THEN SNOW SHOWERS LIKELY AFTER MIDNIGHT. SNOW MAY BE  
HEAVY AT TIMES LATE THIS EVENING. SNOW ACCUMULATION UP TO  
8 INCHES. LOWS IN THE UPPER 20S. WEST WINDS 10 TO 15 MPH WITH  
GUSTS UP TO 25 MPH. CHANCE OF PRECIPITATION 80 PERCENT.    
FRIDAY
 
MOSTLY CLOUDY WITH SNOW SHOWERS LIKELY IN THE MORNING,  
THEN PARTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS IN THE  
AFTERNOON. STORM TOTAL SNOW ACCUMULATION OF 3 TO 5 INCHES. HIGHS  
IN THE MID 30S. WEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 30 MPH.  
CHANCE OF SNOW 70 PERCENT.    
FRIDAY NIGHT
 
PARTLY CLOUDY. A SLIGHT CHANCE OF. NEAR STEADY  
TEMPERATURE AROUND 30. WEST WINDS 10 TO 15 MPH WITH GUSTS UP TO  
30 MPH.    
SATURDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HIGHS IN THE MID 30S. WEST WINDS 10 TO 15 MPH. GUSTS UP  
TO 30 MPH IN THE MORNING.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 20S. SOUTHWEST  
WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 40S.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S.    
MONDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN  
THE MID 40S.    
MONDAY NIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS IN THE MID 30S.    
TUESDAY
 
PARTLY CLOUDY AND BREEZY. HIGHS IN THE LOWER 40S.    
TUESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS. A  
SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. BREEZY WITH LOWS IN  
THE LOWER 30S. CHANCE OF PRECIPITATION 30 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY. SNOW SHOWERS LIKELY WITH A CHANCE OF  
RAIN SHOWERS IN THE MORNING, THEN A CHANCE OF SNOW SHOWERS IN THE  
AFTERNOON. LITTLE OR NO SNOW ACCUMULATION. BREEZY WITH HIGHS IN  
THE MID 30S. CHANCE OF PRECIPITATION 60 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS IN THE LOWER  
20S.    
THURSDAY
 
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE LOWER  
30S.  
 

 
 
WYZ009-121100-  
BIGHORN MOUNTAINS SOUTHEAST-  
917 PM MST THU DEC 11 2025  
 
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO  
7 AM MST FRIDAY...  
   
TONIGHT
 
MOSTLY CLOUDY WITH SNOW SHOWERS LIKELY. STORM TOTAL  
SNOW ACCUMULATION OF 1 TO 3 INCHES. LOWS IN THE UPPER 20S.  
NORTHWEST WINDS 10 TO 15 MPH, BECOMING WEST AFTER MIDNIGHT. GUSTS  
UP TO 30 MPH. CHANCE OF SNOW 60 PERCENT.    
FRIDAY
 
PARTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN THE MORNING.  
BREEZY WITH HIGHS IN THE MID 30S. WEST WINDS 15 TO 20 MPH WITH  
GUSTS UP TO 35 MPH. CHANCE OF SNOW 30 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. BREEZY WITH LOWS IN THE MID 20S. WEST WINDS 20 TO 25 MPH  
WITH GUSTS UP TO 40 MPH.    
SATURDAY
 
PARTLY CLOUDY AND BREEZY. HIGHS IN THE MID 30S. WEST  
WINDS 15 TO 20 MPH WITH GUSTS UP TO 35 MPH, DIMINISHING TO AROUND  
10 MPH WITH GUSTS UP TO 25 MPH IN THE AFTERNOON.    
SATURDAY NIGHT
 
MOSTLY CLEAR AND BREEZY. LOWS IN THE UPPER 20S.  
WEST WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.    
SUNDAY
 
MOSTLY SUNNY AND BREEZY. HIGHS IN THE UPPER 40S.    
SUNDAY NIGHT
 
MOSTLY CLEAR AND BREEZY. LOWS IN THE LOWER 30S.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 40S.    
MONDAY NIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS IN THE MID 30S.    
TUESDAY
 
PARTLY CLOUDY AND WINDY. HIGHS IN THE MID 40S.    
TUESDAY NIGHT
 
PARTLY CLOUDY. A CHANCE OF SNOW SHOWERS AFTER  
MIDNIGHT. BREEZY WITH LOWS IN THE LOWER 30S. CHANCE OF SNOW  
30 PERCENT.    
WEDNESDAY
 
A SLIGHT CHANCE OF RAIN SHOWERS IN THE MORNING.  
PARTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS. WINDY WITH HIGHS IN  
THE UPPER 30S. TEMPERATURE FALLING INTO THE LOWER 30S IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 30 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS IN THE LOWER  
20S.    
THURSDAY
 
PARTLY CLOUDY AND BREEZY. HIGHS IN THE MID 30S.  
 

 
 
WYZ012-121100-  
TETON AND GROS VENTRE MOUNTAINS-  
917 PM MST THU DEC 11 2025  
   
TONIGHT
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW  
SHOWERS. LOWS IN THE MID 20S. SOUTHWEST WINDS 10 TO 15 MPH WITH  
GUSTS UP TO 25 MPH.    
FRIDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS IN THE  
MORNING, THEN PARTLY CLOUDY IN THE AFTERNOON. HIGHS IN THE MID  
30S. WEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH. CHANCE OF  
SNOW 30 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLEAR. COLD WITH LOWS AROUND 20. SOUTHWEST  
WINDS 10 TO 15 MPH WITH GUSTS UP TO 30 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 30S. SOUTHWEST WINDS  
AROUND 10 MPH.    
SATURDAY NIGHT
 
MOSTLY CLEAR. COLD WITH LOWS 15 TO 21. SOUTH  
WINDS AROUND 10 MPH.    
SUNDAY
 
SUNNY. HIGHS IN THE UPPER 30S.    
SUNDAY NIGHT
 
MOSTLY CLEAR. COLD WITH LOWS 14 TO 20.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 30S.    
MONDAY NIGHT
 
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SNOW  
SHOWERS IN THE EVENING, THEN MOSTLY CLOUDY WITH A CHANCE OF SNOW  
SHOWERS AFTER MIDNIGHT. LOWS IN THE MID 20S. CHANCE OF SNOW  
30 PERCENT.    
TUESDAY
 
A CHANCE OF SNOW SHOWERS IN THE MORNING, THEN SNOW  
SHOWERS LIKELY IN THE AFTERNOON. LIGHT SNOW ACCUMULATION  
POSSIBLE. HIGHS IN THE LOWER 30S. CHANCE OF SNOW 70 PERCENT.    
TUESDAY NIGHT
 
SNOW SHOWERS LIKELY IN THE EVENING, THEN SNOW  
SHOWERS AFTER MIDNIGHT. SNOW MAY BE HEAVY AT TIMES AFTER  
MIDNIGHT. NEW HEAVY SNOW ACCUMULATION. BREEZY WITH LOWS IN THE  
MID 20S. CHANCE OF SNOW 80 PERCENT.    
WEDNESDAY
 
SNOW SHOWERS. NEW LIGHT SNOW ACCUMULATION. BREEZY  
WITH HIGHS IN THE UPPER 20S. CHANCE OF SNOW 80 PERCENT.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN THE  
EVENING, THEN SNOW SHOWERS LIKELY AFTER MIDNIGHT. NEW MODERATE  
SNOW ACCUMULATION POSSIBLE. BREEZY, COLD WITH LOWS 14 TO 20.  
CHANCE OF SNOW 60 PERCENT.    
THURSDAY
 
SNOW SHOWERS. NEW MODERATE SNOW ACCUMULATION. HIGHS  
IN THE UPPER 20S. CHANCE OF SNOW 80 PERCENT.  
 

 
 
WYZ014-121100-  
WIND RIVER MOUNTAINS WEST-  
917 PM MST THU DEC 11 2025  
   
TONIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS IN THE MID 20S. WEST  
WINDS 15 TO 20 MPH WITH GUSTS UP TO 35 MPH.    
FRIDAY
 
MOSTLY CLOUDY AND BREEZY. HIGHS IN THE MID 30S. WEST  
WINDS 15 TO 20 MPH WITH GUSTS UP TO 35 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
BREEZY, COLD WITH LOWS AROUND 20. WEST WINDS 15 TO 20 MPH WITH  
GUSTS UP TO 40 MPH.    
SATURDAY
 
MOSTLY SUNNY AND BREEZY. HIGHS IN THE MID 30S. WEST  
WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. WEST  
WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. TEMPERATURE  
FALLING INTO THE MID 30S IN THE AFTERNOON.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 20S.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 30S.    
MONDAY NIGHT
 
PARTLY CLOUDY. A SLIGHT CHANCE OF. BREEZY WITH  
LOWS IN THE MID 20S.    
TUESDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW  
SHOWERS. LITTLE OR NO SNOW ACCUMULATION. BREEZY WITH HIGHS IN THE  
LOWER 30S.    
TUESDAY NIGHT
 
A CHANCE OF SNOW SHOWERS IN THE EVENING, THEN  
SNOW SHOWERS LIKELY AFTER MIDNIGHT. MODERATE SNOW ACCUMULATION  
POSSIBLE. WINDY WITH LOWS IN THE LOWER 20S. CHANCE OF SNOW  
70 PERCENT.    
WEDNESDAY
 
MOSTLY CLOUDY WITH SNOW SHOWERS. NEW LIGHT SNOW  
ACCUMULATION. WINDY WITH HIGHS IN THE UPPER 20S. CHANCE OF SNOW  
80 PERCENT.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW  
SHOWERS. BREEZY, COLD WITH LOWS 10 TO 20.    
THURSDAY
 
MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN THE  
MORNING, THEN SNOW SHOWERS LIKELY IN THE AFTERNOON. LIGHT SNOW  
ACCUMULATION POSSIBLE. BREEZY WITH HIGHS IN THE UPPER 20S. CHANCE  
OF SNOW 60 PERCENT.  
 

 
 
WYZ015-121100-  
WIND RIVER MOUNTAINS EAST-  
917 PM MST THU DEC 11 2025  
   
TONIGHT
 
PARTLY CLOUDY AND WINDY. NEAR STEADY TEMPERATURE IN  
THE LOWER 30S. WEST WINDS 20 TO 30 MPH WITH GUSTS UP TO 55 MPH.    
FRIDAY
 
PARTLY CLOUDY AND WINDY. HIGHS IN THE UPPER 30S. WEST  
WINDS 20 TO 30 MPH WITH GUSTS UP TO 50 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
WINDY WITH LOWS IN THE MID 20S. WEST WINDS 25 TO 35 MPH WITH  
GUSTS UP TO 60 MPH.    
SATURDAY
 
MOSTLY SUNNY AND WINDY. HIGHS IN THE UPPER 30S. WEST  
WINDS 20 TO 30 MPH WITH GUSTS UP TO 50 MPH, DIMINISHING TO 10 TO  
15 MPH WITH GUSTS UP TO 30 MPH IN THE AFTERNOON.    
SATURDAY NIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS IN THE MID 20S.  
WEST WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.    
SUNDAY
 
MOSTLY SUNNY AND BREEZY. HIGHS IN THE LOWER 40S.    
SUNDAY NIGHT
 
MOSTLY CLEAR AND BREEZY. LOWS IN THE MID 20S.    
MONDAY
 
MOSTLY SUNNY AND BREEZY. HIGHS AROUND 40.    
MONDAY NIGHT
 
PARTLY CLOUDY. A SLIGHT CHANCE OF. WINDY WITH  
LOWS IN THE UPPER 20S.    
TUESDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. A 30 PERCENT CHANCE OF SNOW SHOWERS. WINDY WITH HIGHS IN  
THE MID 30S.    
TUESDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF SNOW AND RAIN  
SHOWERS IN THE EVENING, THEN SNOW SHOWERS LIKELY AFTER MIDNIGHT.  
LIGHT SNOW ACCUMULATION POSSIBLE. VERY WINDY WITH LOWS IN THE MID  
20S. CHANCE OF PRECIPITATION 60 PERCENT.    
WEDNESDAY
 
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. SNOW SHOWERS. NEW LIGHT SNOW ACCUMULATION. VERY WINDY  
WITH HIGHS IN THE UPPER 20S. CHANCE OF SNOW 80 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW  
SHOWERS. WINDY, COLD WITH LOWS 12 TO 22.    
THURSDAY
 
PARTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN THE  
MORNING, THEN SNOW SHOWERS LIKELY IN THE AFTERNOON. LIGHT SNOW  
ACCUMULATION POSSIBLE. WINDY WITH HIGHS IN THE UPPER 20S. CHANCE  
OF SNOW 60 PERCENT.  
 

 
 
WYZ019-121100-  
GREEN MOUNTAINS AND RATTLESNAKE RANGE-  
INCLUDING THE CITY OF JEFFREY CITY  
917 PM MST THU DEC 11 2025  
   
TONIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS IN THE LOWER 30S. WEST  
WINDS 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.    
FRIDAY
 
PARTLY CLOUDY AND BREEZY. HIGHS IN THE UPPER 40S. WEST  
WINDS 15 TO 25 MPH WITH GUSTS UP TO 40 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS AROUND 30.  
SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS UP TO 50 MPH.    
SATURDAY
 
PARTLY CLOUDY AND BREEZY. HIGHS IN THE MID 40S. WEST  
WINDS 20 TO 25 MPH WITH GUSTS UP TO 40 MPH, DIMINISHING TO 10 TO  
15 MPH WITH GUSTS UP TO 30 MPH IN THE AFTERNOON.    
SATURDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE UPPER 20S. SOUTHWEST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 25 MPH.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 40S.    
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 20S.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 40S.    
MONDAY NIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS IN THE LOWER 30S.    
TUESDAY
 
PARTLY CLOUDY AND BREEZY. HIGHS IN THE UPPER 40S.    
TUESDAY NIGHT
 
PARTLY CLOUDY. A CHANCE OF RAIN AND SNOW SHOWERS  
AFTER MIDNIGHT. WINDY WITH LOWS IN THE LOWER 30S. CHANCE OF  
PRECIPITATION 30 PERCENT.    
WEDNESDAY
 
PARTLY CLOUDY. A CHANCE OF SNOW AND RAIN SHOWERS IN  
THE MORNING, THEN A SLIGHT CHANCE OF SNOW SHOWERS IN THE  
AFTERNOON. WINDY WITH HIGHS IN THE LOWER 40S. CHANCE OF  
PRECIPITATION 30 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS IN THE MID 20S.   
THURSDAY
 
PARTLY CLOUDY. A SLIGHT CHANCE OF. BREEZY WITH HIGHS  
IN THE LOWER 40S.  
 

 
 
WYZ024-121100-  
SALT RIVER AND WYOMING RANGES-  
917 PM MST THU DEC 11 2025  
   
TONIGHT
 
MOSTLY CLEAR LATE THIS EVENING, THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE MID 20S. WEST WINDS 10 TO 15 MPH WITH GUSTS  
UP TO 25 MPH.    
FRIDAY
 
PARTLY CLOUDY. HIGHS IN THE UPPER 30S. WEST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 25 MPH.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 20S. WEST WINDS  
10 TO 15 MPH WITH GUSTS UP TO 30 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 30S. WEST WINDS  
10 TO 15 MPH. GUSTS UP TO 30 MPH IN THE MORNING.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 40S.    
SUNDAY NIGHT
 
MOSTLY CLEAR. COLD WITH LOWS AROUND 20.    
MONDAY
 
MOSTLY SUNNY. HIGHS AROUND 40.    
MONDAY NIGHT
 
PARTLY CLOUDY. A CHANCE OF SNOW SHOWERS AFTER  
MIDNIGHT. LOWS IN THE MID 20S. CHANCE OF SNOW 30 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS IN THE  
MORNING, THEN SNOW SHOWERS LIKELY WITH A CHANCE OF RAIN SHOWERS  
IN THE AFTERNOON. LITTLE OR NO SNOW ACCUMULATION. HIGHS IN THE  
UPPER 30S. CHANCE OF PRECIPITATION 60 PERCENT.    
TUESDAY NIGHT
 
SNOW SHOWERS LIKELY WITH A CHANCE OF RAIN  
SHOWERS IN THE EVENING, THEN SNOW SHOWERS WITH RAIN SHOWERS  
LIKELY AFTER MIDNIGHT. LIGHT SNOW ACCUMULATION. BREEZY WITH LOWS  
IN THE UPPER 20S. CHANCE OF PRECIPITATION 80 PERCENT.    
WEDNESDAY
 
SNOW SHOWERS. NEW LIGHT SNOW ACCUMULATION. WINDY  
WITH HIGHS IN THE LOWER 30S. CHANCE OF SNOW 80 PERCENT.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. SNOW SHOWERS LIKELY, MAINLY IN  
THE EVENING. NEW LIGHT SNOW ACCUMULATION POSSIBLE. BREEZY WITH  
LOWS IN THE LOWER 20S. CHANCE OF SNOW 60 PERCENT.    
THURSDAY
 
SNOW SHOWERS. NEW LIGHT SNOW ACCUMULATION. BREEZY  
WITH HIGHS IN THE LOWER 30S. CHANCE OF SNOW 80 PERCENT.  
 

 
 
WYZ030-121100-  
EAST SWEETWATER COUNTY-  
INCLUDING THE CITY OF WAMSUTTER  
917 PM MST THU DEC 11 2025  
   
TONIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS IN THE LOWER 30S. WEST  
WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.    
FRIDAY
 
PARTLY CLOUDY AND BREEZY. HIGHS IN THE UPPER 40S. WEST  
WINDS 15 TO 25 MPH.    
FRIDAY NIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS AROUND 30. WEST  
WINDS 15 TO 20 MPH WITH GUSTS UP TO 35 MPH.    
SATURDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. BREEZY  
WITH HIGHS IN THE UPPER 40S. WEST WINDS 15 TO 20 MPH WITH GUSTS  
UP TO 30 MPH.    
SATURDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 20S. SOUTHWEST WINDS AROUND  
10 MPH.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN  
THE UPPER 40S.    
SUNDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
IN THE MID 20S.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 40S.    
MONDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. LOWS AROUND 30.    
TUESDAY
 
PARTLY CLOUDY AND BREEZY. HIGHS IN THE UPPER 40S.    
TUESDAY NIGHT
 
PARTLY CLOUDY. A SLIGHT CHANCE OF. BREEZY WITH  
LOWS IN THE LOWER 30S.    
WEDNESDAY
 
PARTLY CLOUDY. A CHANCE OF SNOW SHOWERS WITH A  
SLIGHT CHANCE OF RAIN SHOWERS IN THE MORNING. BREEZY WITH HIGHS  
IN THE LOWER 40S. CHANCE OF PRECIPITATION 30 PERCENT.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY AND BREEZY. LOWS IN THE MID 20S.   
THURSDAY
 
PARTLY CLOUDY AND BREEZY. HIGHS AROUND 40.  
 

 
 
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