510  
FPUS55 KRIW 192336  
ZFPRIW  
FPUS55 KRIW 192334  
ZFPRIW  
 
ZONE FORECAST PRODUCT FOR WESTERN AND CENTRAL WYOMING  
NATIONAL WEATHER SERVICE RIVERTON WY  
434 PM MST WED FEB 19 2020  
 
WYZ020-201100-  
NATRONA COUNTY LOWER ELEVATIONS-  
INCLUDING THE CITY OF CASPER  
434 PM MST WED FEB 19 2020  
   
LATE THIS AFTERNOON
 
MOSTLY SUNNY. HIGHS AROUND 18.    
TONIGHT
 
MOSTLY CLEAR. LOWS 4 BELOW TO 1 ABOVE ZERO. SOUTHWEST  
WINDS AROUND 15 MPH AFTER MIDNIGHT.    
THURSDAY
 
BREEZY, SUNNY. HIGHS 22 TO 26. SOUTHWEST WINDS 15 TO  
20 MPH. LOWEST WIND CHILL READINGS 11 BELOW TO 21 BELOW ZERO  
EARLY IN THE MORNING.    
THURSDAY NIGHT
 
BREEZY, CLEAR. LOWS 6 TO 11. SOUTHWEST WINDS  
15 TO 20 MPH.    
FRIDAY
 
BREEZY. NOT AS COLD. SUNNY. HIGHS 31 TO 35. SOUTHWEST  
WINDS 15 TO 20 MPH.    
FRIDAY NIGHT
 
BREEZY. MOSTLY CLEAR. LOWS 16 TO 21. SOUTHWEST  
WINDS 15 TO 20 MPH.    
SATURDAY
 
SUNNY. HIGHS 37 TO 42.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS 12 TO 17.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS IN  
THE LOWER 30S.    
SUNDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. A 20 PERCENT CHANCE OF SNOW. LOWS 17 TO 21.    
MONDAY
 
PARTLY CLOUDY WITH CHANCE OF SNOW IN THE MORNING, THEN  
MOSTLY CLOUDY WITH SNOW LIKELY IN THE AFTERNOON. HIGHS IN THE  
LOWER 30S. CHANCE OF SNOW 60 PERCENT.    
MONDAY NIGHT
 
CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. LOWS  
10 TO 14.    
TUESDAY
 
COLDER. CLOUDY WITH A 40 PERCENT CHANCE OF SNOW. HIGHS  
IN THE LOWER 20S.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN  
THE EVENING. LOWS AROUND 3.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS IN  
THE LOWER 20S.  
 

 
 
WYZ017-201100-  
WIND RIVER BASIN-  
INCLUDING THE CITIES OF RIVERTON AND SHOSHONI  
434 PM MST WED FEB 19 2020  
   
LATE THIS AFTERNOON
 
MOSTLY SUNNY. HIGHS 15 TO 19.    
TONIGHT
 
MOSTLY CLEAR. AREAS OF FOG AFTER MIDNIGHT. LOWS  
5 BELOW TO 10 BELOW ZERO.    
THURSDAY
 
SUNNY. AREAS OF FOG EARLY IN THE MORNING. HIGHS 17 TO  
21. LOWEST WIND CHILL READINGS 13 BELOW TO 23 BELOW ZERO IN THE  
MORNING.    
THURSDAY NIGHT
 
MOSTLY CLEAR. WIDESPREAD FOG AFTER MIDNIGHT.  
LOWS 4 BELOW TO 1 ABOVE ZERO.    
FRIDAY
 
NOT AS COLD. MOSTLY SUNNY. WIDESPREAD FOG IN THE  
MORNING. HIGHS 25 TO 30.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS 8 TO 13.    
SATURDAY
 
MOSTLY SUNNY. HIGHS 30 TO 35.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS 9 TO 14.    
SUNDAY
 
MOSTLY SUNNY. HIGHS NEAR 30.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW.  
LOWS 12 TO 17.    
MONDAY
 
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW. HIGHS  
AROUND 30.    
MONDAY NIGHT
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW.  
LOWS 6 TO 10.    
TUESDAY
 
CLOUDY WITH A 30 PERCENT CHANCE OF SNOW. HIGHS IN THE  
LOWER 20S.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS AROUND 1.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS IN  
THE LOWER 20S.  
 

 
 
WYZ018-201100-  
LANDER FOOTHILLS-  
INCLUDING THE CITY OF LANDER  
434 PM MST WED FEB 19 2020  
   
LATE THIS AFTERNOON
 
MOSTLY SUNNY. HIGHS AROUND 18.    
TONIGHT
 
MOSTLY CLEAR. LOWS 2 BELOW TO 7 BELOW ZERO.    
THURSDAY
 
SUNNY. HIGHS AROUND 20.    
THURSDAY NIGHT
 
MOSTLY CLEAR. WIDESPREAD FOG AFTER MIDNIGHT.  
LOWS 2 TO 7.    
FRIDAY
 
NOT AS COLD. MOSTLY SUNNY. HIGHS 28 TO 32.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS 13 TO 17.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 30S.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS 13 TO 17.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 30S.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW.  
LOWS 15 TO 19.    
MONDAY
 
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW. HIGHS  
IN THE LOWER 30S.    
MONDAY NIGHT
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW.  
LOWS AROUND 9.    
TUESDAY
 
COLDER. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
SNOW. HIGHS IN THE LOWER 20S.    
TUESDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS AROUND 3.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS IN  
THE LOWER 20S.  
 

 
 
WYZ028-201100-  
ROCK SPRINGS AND GREEN RIVER-  
INCLUDING THE CITIES OF ROCK SPRINGS AND GREEN RIVER  
434 PM MST WED FEB 19 2020  
   
LATE THIS AFTERNOON
 
MOSTLY SUNNY. HIGHS 15 TO 19.    
TONIGHT
 
MOSTLY CLEAR. LOWS 5 BELOW TO 10 BELOW ZERO.    
THURSDAY
 
MOSTLY SUNNY. HIGHS AROUND 22.    
THURSDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS 3 BELOW TO 8 BELOW ZERO.    
FRIDAY
 
MOSTLY SUNNY. HIGHS 22 TO 27.    
FRIDAY NIGHT
 
NOT AS COLD. MOSTLY CLEAR IN THE EVENING THEN  
BECOMING PARTLY CLOUDY. LOWS 6 TO 11.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 29 TO 34.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS 10 TO 15.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS IN  
THE LOWER TO MID 30S.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW.  
LOWS 16 TO 20.    
MONDAY
 
BREEZY. PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW.  
HIGHS NEAR 30.    
MONDAY NIGHT
 
COLDER. PARTLY CLOUDY. A 30 PERCENT CHANCE OF  
SNOW IN THE EVENING. LOWS 5 TO 9.    
TUESDAY
 
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY  
CLOUDY. HIGHS IN THE LOWER TO MID 20S.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS 1 BELOW TO 3 ABOVE ZERO.    
WEDNESDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER TO MID 20S.  
 

 
 
WYZ013-201100-  
JACKSON HOLE-  
INCLUDING THE CITY OF JACKSON  
434 PM MST WED FEB 19 2020  
   
LATE THIS AFTERNOON
 
SUNNY. HIGHS 17 TO 21.    
TONIGHT
 
CLEAR. LOWS 5 BELOW TO 10 BELOW ZERO.    
THURSDAY
 
SUNNY. HIGHS 24 TO 28.    
THURSDAY NIGHT
 
MOSTLY CLEAR UNTIL EARLY MORNING THEN BECOMING  
PARTLY CLOUDY. LOWS 3 BELOW TO 1 ABOVE ZERO.    
FRIDAY
 
MOSTLY SUNNY. HIGHS 31 TO 35.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS 6 TO 10.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER TO MID 30S.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS 8 TO 12.    
SUNDAY
 
MOSTLY SUNNY WITH CHANCE OF SNOW IN THE MORNING, THEN  
PARTLY CLOUDY WITH SNOW LIKELY IN THE AFTERNOON. HIGHS IN THE  
LOWER TO MID 30S. CHANCE OF SNOW 70 PERCENT.    
SUNDAY NIGHT
 
SNOW. LOWS 13 TO 17. CHANCE OF SNOW 80 PERCENT.    
MONDAY
 
SNOW. HIGHS IN THE 20S. CHANCE OF SNOW 80 PERCENT.    
MONDAY NIGHT
 
COLDER. MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF  
SNOW. LOWS 3 TO 7.    
TUESDAY
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW. HIGHS  
IN THE LOWER TO MID 20S.    
TUESDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. A 30 PERCENT CHANCE OF SNOW. LOWS ZERO TO 4 ABOVE.   
WEDNESDAY
 
PARTLY CLOUDY. A 30 PERCENT CHANCE OF SNOW IN THE  
AFTERNOON. HIGHS IN THE LOWER TO MID 20S.  
 

 
 
WYZ003-201100-  
CODY FOOTHILLS-  
INCLUDING THE CITIES OF CLARK, CODY, AND MEETEETSE  
434 PM MST WED FEB 19 2020  
   
LATE THIS AFTERNOON
 
MOSTLY SUNNY. HIGHS 23 TO 27.    
TONIGHT
 
CLEAR. LOWS 3 TO 7.    
THURSDAY
 
SUNNY. HIGHS 29 TO 34.    
THURSDAY NIGHT
 
CLEAR. LOWS 11 TO 16. SOUTHWEST WINDS AROUND  
15 MPH.    
FRIDAY
 
NOT AS COLD. SUNNY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS 38 TO 43. SOUTHWEST WINDS AROUND 15 MPH IN THE  
MORNING.    
FRIDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS  
18 TO 22. SOUTHWEST WINDS AROUND 15 MPH.    
SATURDAY
 
SUNNY. HIGHS IN THE LOWER TO MID 40S.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS 19 TO 23.    
SUNDAY
 
MOSTLY SUNNY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS IN THE MID 30S TO LOWER 40S.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW.  
LOWS IN THE LOWER TO MID 20S.    
MONDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. HIGHS  
IN THE LOWER TO MID 30S.    
MONDAY NIGHT
 
COLDER. CLOUDY WITH A 30 PERCENT CHANCE OF SNOW.  
LOWS 11 TO 15.    
TUESDAY
 
CLOUDY WITH A 30 PERCENT CHANCE OF SNOW. HIGHS IN THE  
20S.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS 5 TO 9.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS IN  
THE UPPER 20S.  
 

 
 
WYZ004-201100-  
NORTH BIG HORN BASIN-  
INCLUDING THE CITIES OF BASIN, GREYBULL, LOVELL, POWELL,  
AND SHELL  
434 PM MST WED FEB 19 2020  
   
LATE THIS AFTERNOON
 
MOSTLY SUNNY. HIGHS AROUND 25.    
TONIGHT
 
MOSTLY CLEAR. LOWS ZERO TO 5 ABOVE ZERO.    
THURSDAY
 
SUNNY. HIGHS 26 TO 30.    
THURSDAY NIGHT
 
CLEAR. LOWS 5 TO 10.    
FRIDAY
 
MOSTLY SUNNY. HIGHS 31 TO 35.    
FRIDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS  
12 TO 17.    
SATURDAY
 
SUNNY. HIGHS IN THE MID 30S TO LOWER 40S.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS 14 TO 19.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 30S.    
SUNDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. A 30 PERCENT CHANCE OF SNOW. LOWS 17 TO 21.    
MONDAY
 
MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING, THEN SNOW  
LIKELY IN THE AFTERNOON. HIGHS IN THE LOWER 30S. CHANCE OF SNOW  
60 PERCENT.    
MONDAY NIGHT
 
CLOUDY WITH A 40 PERCENT CHANCE OF SNOW. LOWS  
10 TO 14.    
TUESDAY
 
CLOUDY WITH A 30 PERCENT CHANCE OF SNOW. HIGHS IN THE  
MID 20S.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS AROUND 6.    
WEDNESDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS IN THE MID 20S.  
 

 
 
WYZ006-201100-  
SOUTHEAST BIG HORN BASIN-  
INCLUDING THE CITIES OF TEN SLEEP AND WORLAND  
434 PM MST WED FEB 19 2020  
   
LATE THIS AFTERNOON
 
MOSTLY SUNNY. HIGHS 23 TO 27.    
TONIGHT
 
MOSTLY CLEAR. LOWS 4 BELOW TO 1 ABOVE ZERO.    
THURSDAY
 
SUNNY. HIGHS 26 TO 30.    
THURSDAY NIGHT
 
CLEAR. WIDESPREAD FOG AFTER MIDNIGHT. LOWS 3 TO  
8.    
FRIDAY
 
MOSTLY SUNNY. HIGHS 32 TO 36.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS 10 TO 15.    
SATURDAY
 
SUNNY. HIGHS IN THE MID 30S TO LOWER 40S.    
SATURDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS 11 TO 16.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS IN  
THE MID 30S.    
SUNDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. A 30 PERCENT CHANCE OF SNOW. LOWS 15 TO 20.    
MONDAY
 
MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING, THEN SNOW  
LIKELY IN THE AFTERNOON. HIGHS IN THE LOWER TO MID 30S. CHANCE OF  
SNOW 60 PERCENT.    
MONDAY NIGHT
 
CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. LOWS  
AROUND 11.    
TUESDAY
 
CLOUDY WITH A 40 PERCENT CHANCE OF SNOW. HIGHS IN THE  
20S.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN  
THE EVENING. LOWS AROUND 4.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS IN  
THE MID 20S.  
 

 
 
WYZ005-201100-  
SOUTHWEST BIG HORN BASIN-  
INCLUDING THE CITY OF THERMOPOLIS  
434 PM MST WED FEB 19 2020  
   
LATE THIS AFTERNOON
 
MOSTLY SUNNY. HIGHS 21 TO 25.    
TONIGHT
 
MOSTLY CLEAR. LOWS 2 BELOW TO 3 ABOVE ZERO.    
THURSDAY
 
SUNNY. HIGHS 24 TO 28.    
THURSDAY NIGHT
 
CLEAR. LOWS 4 TO 9.    
FRIDAY
 
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY. HIGHS  
32 TO 36.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS 11 TO 16.    
SATURDAY
 
SUNNY. HIGHS IN THE MID 30S TO LOWER 40S.    
SATURDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS 13 TO 18.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS IN  
THE MID 30S.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW.  
LOWS 16 TO 21.    
MONDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. HIGHS  
IN THE LOWER TO MID 30S.    
MONDAY NIGHT
 
CLOUDY WITH A 30 PERCENT CHANCE OF SNOW. LOWS  
10 TO 14.    
TUESDAY
 
CLOUDY WITH A 30 PERCENT CHANCE OF SNOW. HIGHS IN THE  
20S.    
TUESDAY NIGHT
 
COLDER. MOSTLY CLOUDY. LOWS 2 TO 6.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS IN  
THE MID 20S.  
 

 
 
WYZ023-201100-  
STAR VALLEY-  
INCLUDING THE CITIES OF AFTON, ALPINE, STAR VALLEY RANCH,  
AND THAYNE  
434 PM MST WED FEB 19 2020  
   
LATE THIS AFTERNOON
 
MOSTLY SUNNY. HIGHS 17 TO 21.    
TONIGHT
 
MOSTLY CLEAR. LOWS 7 BELOW TO 12 BELOW ZERO.    
THURSDAY
 
SUNNY. HIGHS AROUND 28.    
THURSDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS 1 BELOW TO 4 ABOVE ZERO.    
FRIDAY
 
MOSTLY SUNNY. HIGHS AROUND 34.    
FRIDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS  
8 TO 12.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 30S.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS 9 TO 13.    
SUNDAY
 
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW. HIGHS  
IN THE LOWER 30S.    
SUNDAY NIGHT
 
SNOW. LOWS 15 TO 19. CHANCE OF SNOW 80 PERCENT.    
MONDAY
 
SNOW. HIGHS IN THE MID 20S. CHANCE OF SNOW 80 PERCENT.    
MONDAY NIGHT
 
CLOUDY WITH A 30 PERCENT CHANCE OF SNOW. LOWS  
AROUND 8.    
TUESDAY
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW. HIGHS  
IN THE MID 20S.    
TUESDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW. LOWS AROUND 6.    
WEDNESDAY
 
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE  
AFTERNOON. HIGHS IN THE MID 20S.  
 

 
 
WYZ025-201100-  
UPPER GREEN RIVER BASIN FOOTHILLS-  
INCLUDING THE CITY OF PINEDALE  
434 PM MST WED FEB 19 2020  
   
LATE THIS AFTERNOON
 
MOSTLY SUNNY. HIGHS 13 TO 18.    
TONIGHT
 
MOSTLY CLEAR. AREAS OF FOG AFTER MIDNIGHT. LOWS  
13 BELOW TO 18 BELOW ZERO.    
THURSDAY
 
SUNNY. AREAS OF FOG EARLY IN THE MORNING. HIGHS 19 TO  
23. LOWEST WIND CHILL READINGS 14 BELOW TO 24 BELOW ZERO EARLY IN  
THE MORNING.    
THURSDAY NIGHT
 
MOSTLY CLEAR UNTIL EARLY MORNING THEN BECOMING  
PARTLY CLOUDY. WIDESPREAD FOG IN THE LATE EVENING AND OVERNIGHT.  
LOWS 6 BELOW TO 11 BELOW ZERO.    
FRIDAY
 
MOSTLY SUNNY. WIDESPREAD FOG IN THE MORNING. HIGHS  
25 TO 30.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS ZERO TO 5 ABOVE ZERO.    
SATURDAY
 
MOSTLY SUNNY. HIGHS 30 TO 35.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS 4 TO 8.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS NEAR  
30.    
SUNDAY NIGHT
 
SNOW. LOWS 7 TO 11. CHANCE OF SNOW 80 PERCENT.    
MONDAY
 
SNOW. HIGHS IN THE LOWER TO MID 20S. CHANCE OF SNOW  
80 PERCENT.    
MONDAY NIGHT
 
COLDER. MOSTLY CLOUDY IN THE EVENING THEN  
BECOMING PARTLY CLOUDY. A 40 PERCENT CHANCE OF SNOW. LOWS 1 BELOW  
TO 3 ABOVE ZERO.    
TUESDAY
 
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW. HIGHS  
18 TO 23.    
TUESDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. A 30 PERCENT CHANCE OF SNOW. LOWS 3 BELOW TO  
1 ABOVE ZERO.    
WEDNESDAY
 
PARTLY CLOUDY. HIGHS 19 TO 23.  
 

 
 
WYZ026-201100-  
UPPER GREEN RIVER BASIN-  
INCLUDING THE CITIES OF LA BARGE, BIG PINEY, AND FARSON  
434 PM MST WED FEB 19 2020  
   
LATE THIS AFTERNOON
 
SUNNY. HIGHS 13 TO 17.    
TONIGHT
 
MOSTLY CLEAR. AREAS OF FOG AFTER MIDNIGHT. LOWS  
15 BELOW TO 19 BELOW ZERO.    
THURSDAY
 
SUNNY. AREAS OF FOG EARLY IN THE MORNING. HIGHS  
AROUND 20. LOWEST WIND CHILL READINGS 20 BELOW TO 30 BELOW ZERO  
EARLY IN THE MORNING.    
THURSDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. WIDESPREAD FOG IN THE LATE EVENING AND OVERNIGHT.  
LOWS 11 BELOW TO 16 BELOW ZERO.    
FRIDAY
 
MOSTLY SUNNY. WIDESPREAD FOG IN THE MORNING. HIGHS  
18 TO 22.    
FRIDAY NIGHT
 
NOT AS COLD. PARTLY CLOUDY IN THE EVENING THEN  
CLEARING. LOWS 3 BELOW TO 2 ABOVE ZERO.    
SATURDAY
 
MOSTLY SUNNY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS IN THE MID TO UPPER 20S.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS 1 TO 5.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS IN  
THE MID 20S TO LOWER 30S.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW.  
LOWS 7 TO 12.    
MONDAY
 
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW. HIGHS  
IN THE 20S.    
MONDAY NIGHT
 
COLDER. PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
SNOW. LOWS 2 BELOW TO 2 ABOVE ZERO.    
TUESDAY
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
17 TO 21.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 3 BELOW.    
WEDNESDAY
 
PARTLY CLOUDY. HIGHS AROUND 20.  
 

 
 
WYZ010-201100-  
NORTHEAST JOHNSON COUNTY-  
INCLUDING THE CITY OF BUFFALO  
434 PM MST WED FEB 19 2020  
   
LATE THIS AFTERNOON
 
MOSTLY SUNNY. HIGHS 23 TO 27.    
TONIGHT
 
CLEAR. LOWS 2 TO 6.    
THURSDAY
 
SUNNY. HIGHS AROUND 34.    
THURSDAY NIGHT
 
CLEAR. LOWS 10 TO 15.    
FRIDAY
 
MOSTLY SUNNY. HIGHS 39 TO 43.    
FRIDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS  
17 TO 22.    
SATURDAY
 
SUNNY. HIGHS IN THE MID 40S.    
SATURDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS 17 TO 21.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS IN  
THE UPPER 30S.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW.  
LOWS IN THE LOWER 20S.    
MONDAY
 
CHANCE OF SNOW IN THE MORNING, THEN SNOW LIKELY IN THE  
AFTERNOON. HIGHS IN THE LOWER TO MID 30S. CHANCE OF SNOW  
60 PERCENT.    
MONDAY NIGHT
 
CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. LOWS  
AROUND 15.    
TUESDAY
 
CLOUDY WITH A 40 PERCENT CHANCE OF SNOW. HIGHS IN THE  
MID TO UPPER 20S.    
TUESDAY NIGHT
 
CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE  
EVENING. LOWS AROUND 7.    
WEDNESDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS IN THE MID 20S.  
 

 
 
WYZ011-201100-  
SOUTHEAST JOHNSON COUNTY-  
INCLUDING THE CITY OF KAYCEE  
434 PM MST WED FEB 19 2020  
   
LATE THIS AFTERNOON
 
MOSTLY SUNNY. HIGHS 21 TO 25.    
TONIGHT
 
MOSTLY CLEAR. LOWS ZERO TO 4 ABOVE ZERO.    
THURSDAY
 
NOT AS COLD. SUNNY. HIGHS 30 TO 35. SOUTHWEST WINDS  
AROUND 15 MPH IN THE LATE MORNING AND AFTERNOON.    
THURSDAY NIGHT
 
CLEAR. LOWS 9 TO 13. SOUTHWEST WINDS AROUND  
15 MPH.    
FRIDAY
 
SUNNY. HIGHS 37 TO 42.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS 18 TO 22.    
SATURDAY
 
SUNNY. HIGHS IN THE LOWER TO MID 40S.    
SATURDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS 15 TO 19.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS IN  
THE MID TO UPPER 30S.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.  
LOWS AROUND 20.    
MONDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. HIGHS  
IN THE LOWER 30S.    
MONDAY NIGHT
 
CLOUDY WITH A 40 PERCENT CHANCE OF SNOW. LOWS  
AROUND 13.    
TUESDAY
 
CLOUDY WITH A 40 PERCENT CHANCE OF SNOW. HIGHS IN THE  
MID 20S.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN  
THE EVENING. LOWS AROUND 5.    
WEDNESDAY
 
PARTLY CLOUDY. HIGHS IN THE MID 20S.  
 

 
 
WYZ027-201100-  
SOUTH LINCOLN COUNTY-  
INCLUDING THE CITIES OF KEMMERER AND COKEVILLE  
434 PM MST WED FEB 19 2020  
   
LATE THIS AFTERNOON
 
MOSTLY SUNNY. HIGHS 14 TO 18.    
TONIGHT
 
MOSTLY CLEAR. LOWS 8 BELOW TO 13 BELOW ZERO.    
THURSDAY
 
MOSTLY SUNNY. HIGHS AROUND 20. LOWEST WIND CHILL  
READINGS 15 BELOW TO 25 BELOW ZERO IN THE MORNING.    
THURSDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS 4 BELOW TO 9 BELOW ZERO.    
FRIDAY
 
MOSTLY SUNNY. HIGHS 22 TO 27.    
FRIDAY NIGHT
 
NOT AS COLD. PARTLY CLOUDY. LOWS 5 TO 10.    
SATURDAY
 
PARTLY CLOUDY. HIGHS NEAR 30.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS 8 TO 13.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS NEAR  
30.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW.  
LOWS 13 TO 18.    
MONDAY
 
BREEZY. PARTLY CLOUDY IN THE MORNING THEN BECOMING  
MOSTLY CLOUDY. SNOW LIKELY. HIGHS IN THE MID TO UPPER 20S. CHANCE  
OF SNOW 60 PERCENT.    
MONDAY NIGHT
 
COLDER. PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF  
SNOW. LOWS 4 TO 8.    
TUESDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 20S.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 1.    
WEDNESDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 20S.  
 

 
 
WYZ016-201100-  
UPPER WIND RIVER BASIN-  
INCLUDING THE CITY OF DUBOIS  
434 PM MST WED FEB 19 2020  
   
LATE THIS AFTERNOON
 
MOSTLY SUNNY. HIGHS 18 TO 23.    
TONIGHT
 
MOSTLY CLEAR. LOWS 4 BELOW TO ZERO.    
THURSDAY
 
SUNNY. HIGHS 25 TO 30. WEST WINDS AROUND 15 MPH IN  
THE AFTERNOON.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS 6 TO 10. WEST WINDS AROUND  
15 MPH.    
FRIDAY
 
NOT AS COLD. MOSTLY SUNNY. HIGHS 36 TO 40. WEST WINDS  
AROUND 15 MPH.    
FRIDAY NIGHT
 
CLEAR. LOWS 14 TO 18. WEST WINDS AROUND 15 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS NEAR 40.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 15.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS IN  
THE MID 30S.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW.  
PATCHY BLOWING SNOW AFTER MIDNIGHT. LOWS 15 TO 19.    
MONDAY
 
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY  
CLOUDY. SNOW LIKELY. HIGHS 27 TO 32. CHANCE OF SNOW 60 PERCENT.    
MONDAY NIGHT
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW.  
LOWS AROUND 8.    
TUESDAY
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW. HIGHS  
IN THE LOWER 20S.    
TUESDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS AROUND 3.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS IN  
THE LOWER 20S.  
 

 
 
WYZ001-201100-  
YELLOWSTONE NATIONAL PARK-  
INCLUDING THE CITIES OF LAKE, MAMMOTH, AND OLD FAITHFUL  
434 PM MST WED FEB 19 2020  
   
LATE THIS AFTERNOON
 
SUNNY. HIGHS 16 TO 24.    
TONIGHT
 
CLEAR. LOWS 6 BELOW TO 16 BELOW ZERO.    
THURSDAY
 
SUNNY. HIGHS 22 TO 28. LOWEST WIND CHILL READINGS  
12 BELOW TO 22 BELOW ZERO EARLY IN THE MORNING.    
THURSDAY NIGHT
 
MOSTLY CLEAR UNTIL EARLY MORNING THEN BECOMING  
PARTLY CLOUDY. LOWS 4 BELOW TO 2 ABOVE ZERO.    
FRIDAY
 
MOSTLY SUNNY. HIGHS 26 TO 32.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS 4 TO 10.    
SATURDAY
 
SUNNY. HIGHS 27 TO 33.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS 6 TO 12.    
SUNDAY
 
MOSTLY SUNNY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. A 30 PERCENT CHANCE OF SNOW. HIGHS 25 TO 31.    
SUNDAY NIGHT
 
SNOW. LOWS 8 TO 14. CHANCE OF SNOW 80 PERCENT.    
MONDAY
 
SNOW. HIGHS 17 TO 23. CHANCE OF SNOW 80 PERCENT.    
MONDAY NIGHT
 
COLDER, CLOUDY. SNOW LIKELY IN THE EVENING, THEN  
CHANCE OF SNOW AFTER MIDNIGHT. LOWS 1 BELOW TO 5 ABOVE ZERO.  
CHANCE OF SNOW 60 PERCENT. WIND CHILL READINGS 10 BELOW TO  
20 BELOW ZERO.    
TUESDAY
 
CLOUDY. CHANCE OF SNOW IN THE MORNING, THEN SNOW  
LIKELY IN THE AFTERNOON. HIGHS 16 TO 22. CHANCE OF SNOW  
60 PERCENT. WIND CHILL READINGS 11 BELOW TO 21 BELOW ZERO.    
TUESDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. A 30 PERCENT CHANCE OF SNOW. LOWS 5 BELOW TO  
1 ABOVE ZERO. WIND CHILL READINGS 14 BELOW TO 24 BELOW ZERO.    
WEDNESDAY
 
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW.  
HIGHS 17 TO 23. WIND CHILL READINGS 10 BELOW TO 20 BELOW ZERO.  
 

 
 
WYZ029-201100-  
FLAMING GORGE-  
434 PM MST WED FEB 19 2020  
   
LATE THIS AFTERNOON
 
MOSTLY SUNNY. HIGHS 17 TO 21.    
TONIGHT
 
MOSTLY CLEAR. LOWS 1 BELOW TO 6 BELOW ZERO.    
THURSDAY
 
MOSTLY SUNNY. HIGHS AROUND 23.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS 1 BELOW TO 4 ABOVE ZERO.    
FRIDAY
 
SUNNY. HIGHS 27 TO 31.    
FRIDAY NIGHT
 
NOT AS COLD. MOSTLY CLEAR IN THE EVENING THEN  
BECOMING PARTLY CLOUDY. LOWS 12 TO 17.    
SATURDAY
 
PARTLY CLOUDY. HIGHS IN THE MID TO UPPER 30S.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. LOWS 15 TO 20.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS IN  
THE MID TO UPPER 30S.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.  
LOWS 18 TO 22.    
MONDAY
 
BREEZY. MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW.  
HIGHS 29 TO 34.    
MONDAY NIGHT
 
BREEZY, COLDER. PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF SNOW IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT.  
LOWS 8 TO 12.    
TUESDAY
 
MOSTLY CLOUDY. HIGHS IN THE LOWER TO MID 20S.    
TUESDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS 1 TO 5.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS IN  
THE 20S.  
 

 
 
WYZ022-201100-  
CASPER MOUNTAIN-  
434 PM MST WED FEB 19 2020  
   
LATE THIS AFTERNOON
 
MOSTLY SUNNY. HIGHS 12 TO 18.    
TONIGHT
 
MOSTLY CLEAR. LOWS 1 BELOW TO 7 BELOW ZERO.    
THURSDAY
 
MOSTLY SUNNY. HIGHS 18 TO 24. SOUTH WINDS AROUND  
15 MPH IN THE LATE MORNING AND AFTERNOON.    
THURSDAY NIGHT
 
BREEZY, CLEAR. PATCHY BLOWING SNOW AFTER  
MIDNIGHT. LOWS 4 TO 10. SOUTHWEST WINDS 15 TO 20 MPH.    
FRIDAY
 
NOT AS COLD. SUNNY. PATCHY BLOWING SNOW. HIGHS 27 TO  
33. SOUTHWEST WINDS AROUND 15 MPH.    
FRIDAY NIGHT
 
CLEAR. PATCHY BLOWING SNOW. LOWS 15 TO 21.  
SOUTHWEST WINDS AROUND 15 MPH.    
SATURDAY
 
MOSTLY SUNNY. PATCHY BLOWING SNOW IN THE AFTERNOON.  
HIGHS 33 TO 39.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS 11 TO 17.    
SUNDAY
 
PARTLY CLOUDY. HIGHS 27 TO 33.    
SUNDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. A 20 PERCENT CHANCE OF SNOW. LOWS 13 TO 19.    
MONDAY
 
PARTLY CLOUDY WITH CHANCE OF SNOW IN THE MORNING, THEN  
SNOW LIKELY IN THE AFTERNOON. HIGHS 23 TO 29. CHANCE OF SNOW  
60 PERCENT.    
MONDAY NIGHT
 
COLDER. CLOUDY WITH A 50 PERCENT CHANCE OF SNOW.  
LOWS 6 TO 12.    
TUESDAY
 
CLOUDY WITH A 40 PERCENT CHANCE OF SNOW. HIGHS 12 TO  
18.    
TUESDAY NIGHT
 
COLDER, CLOUDY. A 20 PERCENT CHANCE OF SNOW IN  
THE EVENING. LOWS 2 BELOW TO 4 ABOVE ZERO.    
WEDNESDAY
 
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
14 TO 20.  
 

 
 
WYZ002-201100-  
ABSAROKA MOUNTAINS-  
434 PM MST WED FEB 19 2020  
   
LATE THIS AFTERNOON
 
MOSTLY SUNNY. HIGHS 13 TO 23.    
TONIGHT
 
CLEAR. LOWS 6 BELOW TO ZERO.    
THURSDAY
 
BREEZY. NOT AS COLD. SUNNY. PATCHY BLOWING SNOW IN  
THE AFTERNOON. HIGHS 22 TO 30. WEST WINDS 15 TO 20 MPH IN THE  
AFTERNOON.    
THURSDAY NIGHT
 
BREEZY, CLEAR. PATCHY BLOWING SNOW. LOWS 2 TO  
12. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
BREEZY. NOT AS COLD. MOSTLY SUNNY. PATCHY BLOWING SNOW.  
HIGHS 28 TO 38. WEST WINDS 15 TO 20 MPH.    
FRIDAY NIGHT
 
BREEZY, CLEAR. PATCHY BLOWING SNOW. LOWS 7 TO 17.  
WEST WINDS 15 TO 20 MPH.    
SATURDAY
 
BREEZY, SUNNY. PATCHY BLOWING SNOW. HIGHS 28 TO 38.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS 8 TO 16.    
SUNDAY
 
MOSTLY SUNNY. PATCHY BLOWING SNOW THROUGH THE DAY. A  
30 PERCENT CHANCE OF SNOW IN THE AFTERNOON. HIGHS 26 TO 34.    
SUNDAY NIGHT
 
BREEZY. SNOW LIKELY. AREAS OF BLOWING SNOW. LOWS  
9 TO 17. CHANCE OF SNOW 60 PERCENT.    
MONDAY
 
BREEZY, SNOW. HIGHS 16 TO 26. CHANCE OF SNOW  
80 PERCENT. WIND CHILL READINGS 14 BELOW TO 24 BELOW ZERO.    
MONDAY NIGHT
 
COLDER. CLOUDY WITH A 40 PERCENT CHANCE OF SNOW.  
LOWS 1 BELOW TO 7 ABOVE ZERO. WIND CHILL READINGS 16 BELOW TO  
26 BELOW ZERO.    
TUESDAY
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW. HIGHS  
14 TO 22. WIND CHILL READINGS 14 BELOW TO 24 BELOW ZERO.    
TUESDAY NIGHT
 
CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. A 30 PERCENT CHANCE OF SNOW. LOWS 4 BELOW TO 2 ABOVE  
ZERO. WIND CHILL READINGS 18 BELOW TO 28 BELOW ZERO.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
16 TO 24. WIND CHILL READINGS 13 BELOW TO 23 BELOW ZERO.  
 

 
 
WYZ007-201100-  
OWL CREEK AND BRIDGER MOUNTAINS-  
434 PM MST WED FEB 19 2020  
   
LATE THIS AFTERNOON
 
MOSTLY SUNNY. HIGHS 16 TO 22.    
TONIGHT
 
MOSTLY CLEAR. LOWS 3 BELOW TO 3 ABOVE ZERO.    
THURSDAY
 
SUNNY. HIGHS 17 TO 27. SOUTH WINDS AROUND 15 MPH LATE  
IN THE AFTERNOON.    
THURSDAY NIGHT
 
CLEAR. LOWS 4 TO 12. SOUTHWEST WINDS AROUND  
15 MPH.    
FRIDAY
 
NOT AS COLD. MOSTLY SUNNY. HIGHS 27 TO 35.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS 12 TO 18.    
SATURDAY
 
SUNNY. HIGHS 31 TO 39.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS 14 TO 20.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS 29 TO  
35.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW.  
LOWS 15 TO 21.    
MONDAY
 
PARTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY  
CLOUDY. SNOW LIKELY. HIGHS 26 TO 32. CHANCE OF SNOW 60 PERCENT.    
MONDAY NIGHT
 
COLDER. CLOUDY WITH A 40 PERCENT CHANCE OF SNOW.  
LOWS 8 TO 14.    
TUESDAY
 
CLOUDY WITH A 30 PERCENT CHANCE OF SNOW. HIGHS 17 TO  
23.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS AROUND 5.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
18 TO 24.  
 

 
 
WYZ008-201100-  
BIGHORN MOUNTAINS WEST-  
434 PM MST WED FEB 19 2020  
   
LATE THIS AFTERNOON
 
MOSTLY SUNNY. HIGHS 11 TO 21.    
TONIGHT
 
MOSTLY CLEAR. LOWS 6 BELOW TO 4 ABOVE ZERO.    
THURSDAY
 
NOT AS COLD. SUNNY. HIGHS 21 TO 27. SOUTHWEST WINDS  
AROUND 15 MPH IN THE AFTERNOON.    
THURSDAY NIGHT
 
CLEAR. LOWS 7 TO 15. SOUTHWEST WINDS AROUND  
15 MPH.    
FRIDAY
 
NOT AS COLD. SUNNY. HIGHS 30 TO 36.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS 12 TO 20.    
SATURDAY
 
SUNNY. HIGHS 30 TO 38.    
SATURDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS 9 TO 19.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS 25 TO  
35.    
SUNDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. A 30 PERCENT CHANCE OF SNOW. LOWS 10 TO 20.    
MONDAY
 
SNOW LIKELY. HIGHS 18 TO 28. CHANCE OF SNOW 60 PERCENT.  
WIND CHILL READINGS 15 BELOW TO 25 BELOW ZERO.    
MONDAY NIGHT
 
COLDER. SNOW LIKELY. LOWS 2 TO 12. CHANCE OF SNOW  
60 PERCENT. WIND CHILL READINGS 19 BELOW TO 29 BELOW ZERO.    
TUESDAY
 
CLOUDY WITH SNOW LIKELY. HIGHS 10 TO 20. CHANCE OF  
SNOW 60 PERCENT. WIND CHILL READINGS 19 BELOW TO 29 BELOW ZERO.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW.  
LOWS 1 BELOW TO 7 ABOVE ZERO. WIND CHILL READINGS 22 BELOW TO  
32 BELOW ZERO.    
WEDNESDAY
 
PARTLY CLOUDY. HIGHS 15 TO 21. WIND CHILL READINGS  
18 BELOW TO 28 BELOW ZERO.  
 

 
 
WYZ009-201100-  
BIGHORN MOUNTAINS SOUTHEAST-  
434 PM MST WED FEB 19 2020  
   
LATE THIS AFTERNOON
 
MOSTLY SUNNY. HIGHS 14 TO 22.    
TONIGHT
 
MOSTLY CLEAR. LOWS 5 BELOW TO 3 ABOVE ZERO. WEST WINDS  
AROUND 15 MPH.    
THURSDAY
 
BREEZY. NOT AS COLD. SUNNY. PATCHY BLOWING SNOW IN  
THE AFTERNOON. HIGHS 23 TO 31. WEST WINDS 15 TO 20 MPH.    
THURSDAY NIGHT
 
BREEZY, CLEAR. PATCHY BLOWING SNOW. LOWS 9 TO  
17. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
NOT AS COLD. SUNNY. PATCHY BLOWING SNOW. HIGHS 32 TO  
40. WEST WINDS AROUND 15 MPH.    
FRIDAY NIGHT
 
MOSTLY CLEAR. PATCHY BLOWING SNOW. LOWS 15 TO 23.  
WEST WINDS AROUND 15 MPH.    
SATURDAY
 
SUNNY. PATCHY BLOWING SNOW IN THE AFTERNOON. HIGHS  
34 TO 42.    
SATURDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS 11 TO 19.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS 27 TO  
35.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW.  
LOWS 12 TO 20.    
MONDAY
 
SNOW LIKELY. HIGHS 21 TO 29. CHANCE OF SNOW 60 PERCENT.  
WIND CHILL READINGS 13 BELOW TO 23 BELOW ZERO.    
MONDAY NIGHT
 
COLDER. CLOUDY WITH SNOW LIKELY. LOWS 4 TO 12.  
CHANCE OF SNOW 60 PERCENT. WIND CHILL READINGS 18 BELOW TO  
28 BELOW ZERO.    
TUESDAY
 
CLOUDY. SNOW LIKELY IN THE MORNING, THEN CHANCE OF  
SNOW IN THE AFTERNOON. HIGHS 12 TO 20. CHANCE OF SNOW 60 PERCENT.  
WIND CHILL READINGS 16 BELOW TO 26 BELOW ZERO.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW.  
LOWS ZERO TO 6 ABOVE. WIND CHILL READINGS 19 BELOW TO 29 BELOW  
ZERO.    
WEDNESDAY
 
PARTLY CLOUDY. HIGHS 16 TO 22. WIND CHILL READINGS  
16 BELOW TO 26 BELOW ZERO.  
 

 
 
WYZ012-201100-  
TETON AND GROS VENTRE MOUNTAINS-  
434 PM MST WED FEB 19 2020  
   
LATE THIS AFTERNOON
 
MOSTLY SUNNY. HIGHS 13 TO 21.    
TONIGHT
 
MOSTLY CLEAR. LOWS 6 BELOW TO ZERO.    
THURSDAY
 
SUNNY. HIGHS 21 TO 27.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS 3 BELOW TO 3 ABOVE ZERO.  
SOUTHEAST WINDS AROUND 15 MPH EARLY IN THE MORNING.    
FRIDAY
 
MOSTLY SUNNY. HIGHS 27 TO 33.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS 4 TO 10.    
SATURDAY
 
MOSTLY SUNNY. HIGHS 28 TO 34.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS 6 TO 12.    
SUNDAY
 
MOSTLY SUNNY WITH CHANCE OF SNOW IN THE MORNING, THEN  
PARTLY CLOUDY WITH SNOW LIKELY IN THE AFTERNOON. HIGHS 25 TO 31.  
CHANCE OF SNOW 70 PERCENT.    
SUNDAY NIGHT
 
SNOW. PATCHY BLOWING SNOW. LOWS 10 TO 16. CHANCE  
OF SNOW 80 PERCENT.    
MONDAY
 
SNOW. HIGHS 16 TO 24. CHANCE OF SNOW 80 PERCENT.    
MONDAY NIGHT
 
COLDER, CLOUDY. SNOW LIKELY IN THE EVENING, THEN  
CHANCE OF SNOW AFTER MIDNIGHT. LOWS ZERO TO 6 ABOVE. CHANCE OF  
SNOW 60 PERCENT. WIND CHILL READINGS 11 BELOW TO 21 BELOW ZERO.    
TUESDAY
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW. HIGHS  
16 TO 24.    
TUESDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. A 30 PERCENT CHANCE OF SNOW. LOWS 2 BELOW TO  
4 ABOVE ZERO. WIND CHILL READINGS 13 BELOW TO 23 BELOW ZERO.    
WEDNESDAY
 
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW.  
HIGHS 16 TO 22.  
 

 
 
WYZ014-201100-  
WIND RIVER MOUNTAINS WEST-  
434 PM MST WED FEB 19 2020  
   
LATE THIS AFTERNOON
 
MOSTLY SUNNY. HIGHS 12 TO 20.    
TONIGHT
 
MOSTLY CLEAR. LOWS 5 BELOW TO 11 BELOW ZERO.    
THURSDAY
 
SUNNY. HIGHS 17 TO 23. LOWEST WIND CHILL READINGS  
11 BELOW TO 21 BELOW ZERO EARLY IN THE MORNING.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS 2 BELOW TO 4 ABOVE ZERO.    
FRIDAY
 
SUNNY. HIGHS 24 TO 30.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS 5 TO 11.    
SATURDAY
 
MOSTLY SUNNY. HIGHS 27 TO 33.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS 5 TO 11.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH A  
30 PERCENT CHANCE OF SNOW IN THE AFTERNOON. HIGHS 24 TO 30.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH CHANCE OF SNOW IN THE EVENING,  
THEN SNOW AFTER MIDNIGHT. LOWS 6 TO 12. CHANCE OF SNOW  
80 PERCENT. WIND CHILL READINGS 13 BELOW TO 23 BELOW ZERO.    
MONDAY
 
SNOW. HIGHS 16 TO 24. CHANCE OF SNOW 80 PERCENT. WIND  
CHILL READINGS 14 BELOW TO 24 BELOW ZERO.    
MONDAY NIGHT
 
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF  
SNOW. LOWS 2 BELOW TO 4 ABOVE ZERO. WIND CHILL READINGS 16 BELOW  
TO 26 BELOW ZERO.    
TUESDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. HIGHS  
12 TO 20. WIND CHILL READINGS 14 BELOW TO 24 BELOW ZERO.    
TUESDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. A 30 PERCENT CHANCE OF SNOW. LOWS 5 BELOW TO  
1 ABOVE ZERO. WIND CHILL READINGS 18 BELOW TO 28 BELOW ZERO.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. A  
30 PERCENT CHANCE OF SNOW. HIGHS 14 TO 20. WIND CHILL READINGS  
15 BELOW TO 25 BELOW ZERO.  
 

 
 
WYZ015-201100-  
WIND RIVER MOUNTAINS EAST-  
434 PM MST WED FEB 19 2020  
   
LATE THIS AFTERNOON
 
MOSTLY SUNNY. HIGHS 9 TO 17.    
TONIGHT
 
MOSTLY CLEAR. LOWS 1 BELOW TO 7 BELOW ZERO.    
THURSDAY
 
BREEZY. NOT AS COLD. SUNNY. PATCHY BLOWING SNOW IN  
THE AFTERNOON. HIGHS 19 TO 27. WEST WINDS 15 TO 20 MPH IN THE  
AFTERNOON.    
THURSDAY NIGHT
 
BREEZY. MOSTLY CLEAR. PATCHY BLOWING SNOW. LOWS  
2 TO 10. WEST WINDS 15 TO 20 MPH.    
FRIDAY
 
NOT AS COLD. MOSTLY SUNNY. PATCHY BLOWING SNOW. HIGHS  
28 TO 36. WEST WINDS AROUND 15 MPH.    
FRIDAY NIGHT
 
BREEZY. MOSTLY CLEAR. PATCHY BLOWING SNOW. LOWS  
7 TO 17. WEST WINDS 15 TO 20 MPH.    
SATURDAY
 
MOSTLY SUNNY. PATCHY BLOWING SNOW. HIGHS 29 TO 37.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS 6 TO 16.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH A  
30 PERCENT CHANCE OF SNOW IN THE AFTERNOON. PATCHY BLOWING SNOW  
IN THE AFTERNOON. HIGHS 26 TO 34.    
SUNDAY NIGHT
 
BREEZY. CHANCE OF SNOW IN THE EVENING, THEN SNOW  
LIKELY AFTER MIDNIGHT. AREAS OF BLOWING SNOW THROUGH THE NIGHT.  
LOWS 7 TO 17. CHANCE OF SNOW 60 PERCENT. WIND CHILL READINGS  
14 BELOW TO 24 BELOW ZERO.    
MONDAY
 
BREEZY, SNOW. HIGHS 18 TO 28. CHANCE OF SNOW  
80 PERCENT. WIND CHILL READINGS 15 BELOW TO 25 BELOW ZERO.    
MONDAY NIGHT
 
COLDER. MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF  
SNOW. LOWS 1 BELOW TO 7 ABOVE ZERO. WIND CHILL READINGS 19 BELOW  
TO 29 BELOW ZERO.    
TUESDAY
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW. HIGHS  
13 TO 21. WIND CHILL READINGS 17 BELOW TO 27 BELOW ZERO.    
TUESDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. A 30 PERCENT CHANCE OF SNOW. LOWS 3 BELOW TO  
3 ABOVE ZERO. WIND CHILL READINGS 21 BELOW TO 31 BELOW ZERO.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
16 TO 22. WIND CHILL READINGS 16 BELOW TO 26 BELOW ZERO.  
 

 
 
WYZ019-201100-  
GREEN MOUNTAINS AND RATTLESNAKE RANGE-  
INCLUDING THE CITY OF JEFFREY CITY  
434 PM MST WED FEB 19 2020  
   
LATE THIS AFTERNOON
 
MOSTLY SUNNY. HIGHS 14 TO 20.    
TONIGHT
 
MOSTLY CLEAR. LOWS 4 BELOW TO 14 BELOW ZERO.    
THURSDAY
 
SUNNY. HIGHS 16 TO 22. SOUTHWEST WINDS AROUND 15 MPH  
IN THE AFTERNOON. LOWEST WIND CHILL READINGS 15 BELOW TO 25 BELOW  
ZERO IN THE MORNING.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS 6 BELOW TO 4 ABOVE ZERO.  
SOUTHWEST WINDS AROUND 15 MPH.    
FRIDAY
 
SUNNY. HIGHS 23 TO 29. SOUTHWEST WINDS AROUND 15 MPH.  
LOWEST WIND CHILL READINGS 11 BELOW TO 21 BELOW ZERO IN THE  
MORNING.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS 6 TO 14. SOUTHWEST WINDS  
AROUND 15 MPH.    
SATURDAY
 
MOSTLY SUNNY. HIGHS 29 TO 35.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS 8 TO 14.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS 27 TO  
33.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW.  
LOWS 10 TO 18.    
MONDAY
 
BREEZY. PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW.  
HIGHS 25 TO 31.    
MONDAY NIGHT
 
COLDER. MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF  
SNOW. LOWS 4 TO 10.    
TUESDAY
 
CLOUDY WITH A 30 PERCENT CHANCE OF SNOW. HIGHS 16 TO  
22.    
TUESDAY NIGHT
 
COLDER. MOSTLY CLOUDY. LOWS 4 BELOW TO 2 ABOVE  
ZERO.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
AROUND 19. LOWEST WIND CHILL READINGS 10 BELOW TO 20 BELOW ZERO  
IN THE MORNING.  
 

 
 
WYZ024-201100-  
SALT RIVER AND WYOMING RANGES-  
434 PM MST WED FEB 19 2020  
   
LATE THIS AFTERNOON
 
SUNNY. HIGHS 13 TO 19.    
TONIGHT
 
MOSTLY CLEAR. LOWS 1 BELOW TO 9 BELOW ZERO.    
THURSDAY
 
SUNNY. HIGHS 20 TO 26. LOWEST WIND CHILL READINGS  
10 BELOW TO 20 BELOW ZERO EARLY IN THE MORNING.    
THURSDAY NIGHT
 
MOSTLY CLEAR IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS 3 BELOW TO 5 ABOVE ZERO. SOUTHEAST WINDS  
AROUND 15 MPH.    
FRIDAY
 
MOSTLY SUNNY. HIGHS 27 TO 33.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS 6 TO 12.    
SATURDAY
 
MOSTLY SUNNY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS 29 TO 35.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS 8 TO 14.    
SUNDAY
 
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW. HIGHS  
27 TO 33.    
SUNDAY NIGHT
 
SNOW. PATCHY BLOWING SNOW AFTER MIDNIGHT. LOWS  
11 TO 17. CHANCE OF SNOW 80 PERCENT.    
MONDAY
 
BREEZY, SNOW. HIGHS 19 TO 27. CHANCE OF SNOW  
80 PERCENT.    
MONDAY NIGHT
 
COLDER. MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF  
SNOW. LOWS 3 TO 9. WIND CHILL READINGS 12 BELOW TO 22 BELOW ZERO.   
TUESDAY
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW. HIGHS  
18 TO 24.    
TUESDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. A 30 PERCENT CHANCE OF SNOW. LOWS ZERO TO 6 ABOVE.  
WIND CHILL READINGS 10 BELOW TO 20 BELOW ZERO.    
WEDNESDAY
 
PARTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW.  
HIGHS 18 TO 24.  
 

 
 
WYZ030-201100-  
EAST SWEETWATER COUNTY-  
INCLUDING THE CITY OF WAMSUTTER  
434 PM MST WED FEB 19 2020  
   
LATE THIS AFTERNOON
 
MOSTLY SUNNY. HIGHS 13 TO 18.    
TONIGHT
 
MOSTLY CLEAR. LOWS 8 BELOW TO 13 BELOW ZERO.    
THURSDAY
 
MOSTLY SUNNY. HIGHS 18 TO 23. LOWEST WIND CHILL  
READINGS 17 BELOW TO 27 BELOW ZERO EARLY IN THE MORNING.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS 2 BELOW TO 7 BELOW ZERO.    
FRIDAY
 
MOSTLY SUNNY. HIGHS 24 TO 29. LOWEST WIND CHILL  
READINGS 14 BELOW TO 24 BELOW ZERO EARLY IN THE MORNING.    
FRIDAY NIGHT
 
NOT AS COLD. MOSTLY CLEAR. LOWS 7 TO 12.    
SATURDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER TO MID 30S.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS 11 TO 16.    
SUNDAY
 
PARTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS NEAR  
30.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.  
LOWS 13 TO 18.    
MONDAY
 
BREEZY. PARTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW.  
HIGHS IN THE MID 20S TO LOWER 30S.    
MONDAY NIGHT
 
COLDER. PARTLY CLOUDY IN THE EVENING THEN  
BECOMING MOSTLY CLOUDY. A 30 PERCENT CHANCE OF SNOW. LOWS 5 TO 9.   
TUESDAY
 
CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS 19 TO  
23.    
TUESDAY NIGHT
 
COLDER. MOSTLY CLOUDY IN THE EVENING THEN  
BECOMING PARTLY CLOUDY. LOWS 4 BELOW TO 1 ABOVE ZERO.    
WEDNESDAY
 
PARTLY CLOUDY. HIGHS 19 TO 23. LOWEST WIND CHILL  
READINGS 10 BELOW TO 20 BELOW ZERO IN THE MORNING.  
 

 
 
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