772  
FPUS55 KRIW 180521  
ZFPRIW  
 
ZONE FORECAST PRODUCT FOR WESTERN AND CENTRAL WYOMING  
NATIONAL WEATHER SERVICE RIVERTON WY  
1119 PM MDT SUN MAY 17 2026  
 
WYZ020-181000-  
NATRONA COUNTY LOWER ELEVATIONS-  
INCLUDING THE CITY OF CASPER  
1119 PM MDT SUN MAY 17 2026  
 
...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING  
TO 6 PM MDT MONDAY...  
   
TONIGHT  
SNOW SHOWERS. RAIN SHOWERS. PATCHY BLOWING SNOW AFTER  
MIDNIGHT. SNOW ACCUMULATION UP TO 3 INCHES. BREEZY WITH LOWS IN  
THE UPPER 20S. NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS UP TO  
35 MPH. CHANCE OF PRECIPITATION 90 PERCENT.    
MONDAY  
SNOW SHOWERS. BLOWING SNOW IN THE MORNING. PATCHY  
BLOWING SNOW IN THE AFTERNOON. SNOW MAY BE HEAVY AT TIMES IN THE  
MORNING WITH VISIBILITY ONE QUARTER MILE OR LESS AT TIMES. STORM  
TOTAL SNOW ACCUMULATION OF 3 TO 5 INCHES. BREEZY, COOLER WITH  
HIGHS IN THE MID 30S. NORTH WINDS 20 TO 25 MPH. GUSTS UP TO  
40 MPH IN THE MORNING. CHANCE OF SNOW 90 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY. SCATTERED SNOW AND RAIN SHOWERS IN  
THE EVENING. LOWS IN THE MID 20S. NORTH WINDS AROUND 10 MPH IN  
THE EVENING. CHANCE OF PRECIPITATION 30 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN  
THE MID 40S. SOUTHWEST WINDS AROUND 10 MPH.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 20S. SOUTHWEST  
WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 50S.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 30S.    
THURSDAY  
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
CLOUDY. A CHANCE OF RAIN SHOWERS. A SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 50S. CHANCE OF  
RAIN 50 PERCENT.    
THURSDAY NIGHT  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN  
SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY  
AFTER MIDNIGHT. LOWS IN THE MID 30S. CHANCE OF RAIN 20 PERCENT.    
FRIDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 60S. CHANCE OF  
RAIN 20 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
IN THE UPPER 30S.    
SATURDAY  
MOSTLY SUNNY. HIGHS AROUND 70.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE LOWER 40S.    
SUNDAY  
MOSTLY SUNNY AND BREEZY. HIGHS IN THE UPPER 70S.  
 
 
 
WYZ017-181000-  
WIND RIVER BASIN-  
INCLUDING THE CITIES OF RIVERTON AND SHOSHONI  
1119 PM MDT SUN MAY 17 2026  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS  
EVENING TO 6 PM MDT MONDAY...  
   
TONIGHT  
SNOW SHOWERS. RAIN SHOWERS. SNOW ACCUMULATION UP TO  
4 INCHES. BREEZY WITH LOWS AROUND 30. NORTHEAST WINDS 15 TO  
25 MPH. GUSTS UP TO 35 MPH, INCREASING TO 45 MPH AFTER MIDNIGHT.  
CHANCE OF PRECIPITATION 90 PERCENT.    
MONDAY  
AREAS OF BLOWING SNOW IN THE MORNING. SNOW SHOWERS IN  
THE MORNING, THEN SNOW SHOWERS AND SCATTERED RAIN SHOWERS IN THE  
AFTERNOON. SNOW MAY BE HEAVY AT TIMES IN THE MORNING WITH  
VISIBILITY ONE QUARTER MILE OR LESS AT TIMES. STORM TOTAL SNOW  
ACCUMULATION OF 2 TO 4 INCHES. WINDY WITH HIGHS IN THE UPPER 30S.  
NORTH WINDS 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. CHANCE OF  
PRECIPITATION 90 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH SCATTERED RAIN AND SNOW  
SHOWERS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS  
IN THE MID 20S. NORTHEAST WINDS AROUND 10 MPH WITH GUSTS UP TO  
25 MPH IN THE EVENING. CHANCE OF PRECIPITATION 30 PERCENT.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. SOUTH WINDS  
10 TO 15 MPH IN THE AFTERNOON.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS AROUND 30. SOUTH WINDS 10 TO  
15 MPH WITH GUSTS UP TO 25 MPH.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 60S.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 30S.    
THURSDAY  
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS IN THE  
MORNING, THEN A SLIGHT CHANCE OF RAIN SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. HIGHS AROUND 60. CHANCE OF RAIN 50 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 30S.    
FRIDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE MID  
60S.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
IN THE UPPER 30S.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE LOWER 40S.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.  
 
 
 
WYZ018-181000-  
LANDER FOOTHILLS-  
INCLUDING THE CITY OF LANDER  
1119 PM MDT SUN MAY 17 2026  
 
...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM  
MDT MONDAY...  
   
TONIGHT  
RAIN SHOWERS. SNOW SHOWERS. AREAS OF BLOWING SNOW  
AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 4 INCHES. BREEZY WITH  
LOWS IN THE MID 20S. NORTH WINDS 15 TO 20 MPH WITH GUSTS UP TO  
30 MPH. CHANCE OF PRECIPITATION 90 PERCENT.    
MONDAY  
AREAS OF BLOWING SNOW IN THE MORNING. SNOW SHOWERS IN  
THE MORNING, THEN SNOW SHOWERS AND SCATTERED RAIN SHOWERS IN THE  
AFTERNOON. SNOW MAY BE HEAVY AT TIMES IN THE MORNING WITH  
VISIBILITY ONE QUARTER MILE OR LESS AT TIMES. STORM TOTAL SNOW  
ACCUMULATION OF 4 TO 8 INCHES. BREEZY WITH HIGHS IN THE MID 30S.  
NORTH WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF  
PRECIPITATION 90 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH SCATTERED SNOW AND RAIN  
SHOWERS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS  
IN THE LOWER 20S. CHANCE OF PRECIPITATION 30 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN  
THE UPPER 40S. SOUTHEAST WINDS AROUND 10 MPH IN THE AFTERNOON.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE UPPER 20S. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP  
TO 25 MPH.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS AROUND 60.    
WEDNESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE MID 30S.    
THURSDAY  
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
CLOUDY. A CHANCE OF RAIN SHOWERS. A SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 50S. CHANCE OF  
RAIN 50 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 30S.    
FRIDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE MID  
60S.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
IN THE UPPER 30S.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE LOWER 40S.    
SUNDAY  
MOSTLY SUNNY. HIGHS AROUND 80.  
 
 
 
WYZ028-181000-  
ROCK SPRINGS AND GREEN RIVER-  
INCLUDING THE CITIES OF ROCK SPRINGS AND GREEN RIVER  
1119 PM MDT SUN MAY 17 2026  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS  
EVENING TO 6 PM MDT MONDAY...  
   
TONIGHT  
SNOW SHOWERS. RAIN SHOWERS WITH ISOLATED THUNDERSTORMS  
LATE THIS EVENING, THEN RAIN SHOWERS AFTER MIDNIGHT. AREAS OF  
BLOWING SNOW AFTER MIDNIGHT WITH VISIBILITY ONE QUARTER MILE OR  
LESS AT TIMES. SNOW ACCUMULATION OF 1 TO 7 INCHES. WINDY WITH  
LOWS IN THE MID 20S. NORTHEAST WINDS 20 TO 30 MPH WITH GUSTS UP  
TO 50 MPH. CHANCE OF PRECIPITATION 90 PERCENT.    
MONDAY  
CLOUDY. BLOWING SNOW IN THE MORNING. SNOW SHOWERS IN  
THE MORNING, THEN NUMEROUS SNOW SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE AFTERNOON WITH VISIBILITY ONE QUARTER MILE  
OR LESS AT TIMES. STORM TOTAL SNOW ACCUMULATION OF 3 TO 5 INCHES.  
WINDY WITH HIGHS IN THE MID 30S. NORTHEAST 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. CHANCE OF SNOW 90 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE LOWER 20S. SOUTHEAST  
WINDS AROUND 10 MPH IN THE EVENING.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN  
THE UPPER 40S.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 20S.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 50S.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 30S.    
THURSDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 60. CHANCE OF RAIN  
20 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 30S.    
FRIDAY  
PARTLY CLOUDY. HIGHS IN THE MID 60S.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
IN THE MID 30S.    
SATURDAY  
MOSTLY SUNNY. HIGHS AROUND 70.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS AROUND 40.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.  
 
 
 
WYZ013-181000-  
JACKSON HOLE-  
INCLUDING THE CITY OF JACKSON  
1119 PM MDT SUN MAY 17 2026  
   
TONIGHT  
CLOUDY WITH NUMEROUS SNOW SHOWERS. LITTLE OR NO SNOW  
ACCUMULATION. BREEZY WITH LOWS IN THE UPPER 20S. NORTH WINDS  
15 TO 25 MPH WITH GUSTS UP TO 35 MPH. CHANCE OF SNOW 60 PERCENT.    
MONDAY  
MOSTLY CLOUDY WITH SCATTERED SNOW SHOWERS. ISOLATED  
RAIN SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. BREEZY WITH  
HIGHS IN THE MID 40S. NORTH WINDS 15 TO 20 MPH. GUSTS UP TO  
35 MPH IN THE MORNING. CHANCE OF PRECIPITATION 30 PERCENT.    
MONDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
IN THE MID 20S. NORTH WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH  
IN THE EVENING.    
TUESDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HIGHS IN THE MID 50S. WEST WINDS AROUND 10 MPH IN THE  
AFTERNOON.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS AROUND 30. SOUTHWEST WINDS AROUND 10 MPH IN THE EVENING.    
WEDNESDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HIGHS IN THE UPPER 50S.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS  
AND THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF RAIN AND SNOW  
SHOWERS AFTER MIDNIGHT. LITTLE OR NO SNOW ACCUMULATION. LOWS IN  
THE LOWER 30S. CHANCE OF PRECIPITATION 50 PERCENT.    
THURSDAY  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN AND SNOW  
SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS  
IN THE UPPER 50S. CHANCE OF PRECIPITATION 20 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF. LOWS IN THE  
LOWER 30S.    
FRIDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 60S. CHANCE OF  
RAIN 20 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 30S.    
SATURDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF. HIGHS AROUND 70.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 30S.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S.  
 
 
 
WYZ003-181000-  
CODY FOOTHILLS-  
INCLUDING THE CITIES OF CLARK, CODY, AND MEETEETSE  
1119 PM MDT SUN MAY 17 2026  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS  
EVENING TO 6 PM MDT MONDAY...  
   
TONIGHT  
CLOUDY. SCATTERED SNOW SHOWERS LATE THIS EVENING, THEN  
SNOW SHOWERS AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 2 INCHES.  
WINDY WITH LOWS IN THE UPPER 20S. NORTH WINDS 20 TO 30 MPH WITH  
GUSTS UP TO 45 MPH. CHANCE OF SNOW 80 PERCENT.    
MONDAY  
CLOUDY. AREAS OF BLOWING SNOW IN THE MORNING. SNOW  
SHOWERS, MAINLY IN THE MORNING. SNOW ACCUMULATION UP TO 2 INCHES.  
WINDY WITH HIGHS IN THE LOWER 40S. NORTH WINDS 25 TO 35 MPH WITH  
GUSTS UP TO 50 MPH. CHANCE OF SNOW 80 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH SCATTERED SNOW SHOWERS IN THE  
EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. BREEZY WITH LOWS IN  
THE UPPER 20S. NORTH WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH  
IN THE EVENING. CHANCE OF SNOW 30 PERCENT.    
TUESDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HIGHS IN THE MID 50S. SOUTH WINDS AROUND 10 MPH, BECOMING  
SOUTHEAST IN THE AFTERNOON.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE MID 30S. SOUTH WINDS 10 TO 15 MPH, BECOMING SOUTHWEST  
AFTER MIDNIGHT.    
WEDNESDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE LOWER 60S.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY WITH A  
SLIGHT CHANCE OF THUNDERSTORMS. LOWS AROUND 40. CHANCE OF RAIN  
70 PERCENT.    
THURSDAY  
MOSTLY CLOUDY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. A CHANCE OF RAIN SHOWERS. A CHANCE OF SNOW SHOWERS IN THE  
MORNING, THEN A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
LITTLE OR NO SNOW ACCUMULATION. WINDY WITH HIGHS IN THE MID 50S.  
CHANCE OF PRECIPITATION 50 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN  
SHOWERS. LOWS IN THE UPPER 30S. CHANCE OF RAIN 20 PERCENT.    
FRIDAY  
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS WITH A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 60S.  
CHANCE OF RAIN 30 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 40S.    
SATURDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE LOWER 70S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 50.    
SUNDAY  
MOSTLY SUNNY AND BREEZY. HIGHS IN THE UPPER 70S.  
 
 
 
WYZ004-181000-  
NORTH BIGHORN BASIN-  
INCLUDING THE CITIES OF BASIN, GREYBULL, LOVELL, POWELL,  
AND SHELL  
1119 PM MDT SUN MAY 17 2026  
   
TONIGHT  
CLOUDY WITH ISOLATED RAIN SHOWERS. SCATTERED SNOW  
SHOWERS AFTER MIDNIGHT. WINDY WITH LOWS IN THE LOWER 30S. NORTH  
WINDS 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. CHANCE OF  
PRECIPITATION 30 PERCENT.    
MONDAY  
CLOUDY. SCATTERED SNOW SHOWERS WITH ISOLATED RAIN  
SHOWERS IN THE MORNING. WINDY WITH HIGHS AROUND 50. NORTH WINDS  
20 TO 30 MPH. GUSTS UP TO 50 MPH IN THE MORNING. CHANCE OF  
PRECIPITATION 30 PERCENT.    
MONDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
BREEZY WITH LOWS AROUND 30. NORTH WINDS 15 TO 20 MPH WITH GUSTS  
UP TO 30 MPH IN THE EVENING.    
TUESDAY  
MOSTLY SUNNY. HIGHS AROUND 60. SOUTH WINDS AROUND  
10 MPH.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
BREEZY WITH LOWS IN THE MID 30S. SOUTHEAST WINDS 15 TO 20 MPH  
WITH GUSTS UP TO 40 MPH.    
WEDNESDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HIGHS AROUND 70.    
WEDNESDAY NIGHT  
A SLIGHT CHANCE OF THUNDERSTORMS IN THE  
EVENING. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. BREEZY WITH LOWS  
AROUND 40. CHANCE OF RAIN 30 PERCENT.    
THURSDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE  
MORNING, THEN PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. WINDY WITH HIGHS AROUND 60.  
CHANCE OF RAIN 50 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 40.    
FRIDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS AROUND 70.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
IN THE LOWER 40S.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 40S.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.  
 
 
 
WYZ006-181000-  
SOUTHEAST BIGHORN BASIN-  
INCLUDING THE CITIES OF TEN SLEEP AND WORLAND  
1119 PM MDT SUN MAY 17 2026  
   
TONIGHT  
CLOUDY. SCATTERED RAIN SHOWERS LATE THIS EVENING, THEN  
RAIN AND SNOW SHOWERS AFTER MIDNIGHT. SNOW ACCUMULATION UP TO  
1 INCH. BREEZY WITH LOWS IN THE LOWER 30S. NORTHWEST WINDS 20 TO  
25 MPH WITH GUSTS UP TO 40 MPH. CHANCE OF PRECIPITATION  
80 PERCENT.    
MONDAY  
CLOUDY WITH SCATTERED RAIN SHOWERS. SNOW SHOWERS. SNOW  
ACCUMULATION UP TO 4 INCHES. BREEZY WITH HIGHS IN THE MID 40S.  
NORTHWEST WINDS 20 TO 25 MPH WITH GUSTS UP TO 45 MPH. CHANCE OF  
PRECIPITATION 80 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN CLEARING.  
BREEZY WITH LOWS AROUND 30. NORTHWEST WINDS 15 TO 20 MPH IN THE  
EVENING.    
TUESDAY  
MOSTLY SUNNY. HIGHS AROUND 60. SOUTH WINDS AROUND  
10 MPH IN THE AFTERNOON.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 30S. SOUTHEAST  
WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.    
WEDNESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. A SLIGHT CHANCE OF. LOWS AROUND 40.    
THURSDAY  
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS IN THE  
MORNING, THEN PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. BREEZY WITH HIGHS AROUND 60.  
CHANCE OF RAIN 50 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 30S.    
FRIDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS AROUND 70.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
IN THE LOWER 40S.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE MID 40S.    
SUNDAY  
MOSTLY SUNNY. HIGHS AROUND 80.  
 
 
 
WYZ005-181000-  
SOUTHWEST BIGHORN BASIN-  
INCLUDING THE CITY OF THERMOPOLIS  
1119 PM MDT SUN MAY 17 2026  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS  
EVENING TO 6 PM MDT MONDAY...  
   
TONIGHT  
CLOUDY. SCATTERED RAIN AND SNOW SHOWERS LATE THIS  
EVENING, THEN SNOW SHOWERS AND NUMEROUS RAIN SHOWERS AFTER  
MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. WINDY WITH LOWS AROUND  
30. NORTH WINDS 20 TO 30 MPH WITH GUSTS UP TO 40 MPH. CHANCE OF  
PRECIPITATION 80 PERCENT.    
MONDAY  
CLOUDY. PATCHY BLOWING SNOW IN THE MORNING. SNOW  
SHOWERS IN THE MORNING, THEN NUMEROUS SNOW SHOWERS AND SCATTERED  
RAIN SHOWERS IN THE AFTERNOON. SNOW ACCUMULATION UP TO 4 INCHES.  
WINDY WITH HIGHS IN THE MID 40S. NORTH WINDS 20 TO 30 MPH WITH  
GUSTS UP TO 50 MPH. CHANCE OF PRECIPITATION 80 PERCENT.    
MONDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
AROUND 30. NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH  
IN THE EVENING.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE MID 50S. SOUTH WINDS AROUND  
10 MPH IN THE AFTERNOON.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE LOWER 30S. SOUTH WINDS 10 TO 15 MPH WITH GUSTS UP TO  
25 MPH.    
WEDNESDAY  
SUNNY IN THE MORNING, THEN BECOMING PARTLY CLOUDY.  
HIGHS IN THE MID 60S.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY. A SLIGHT CHANCE OF. LOWS AROUND  
40.    
THURSDAY  
PARTLY CLOUDY. A CHANCE OF SHOWERS IN THE MORNING,  
THEN A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. BREEZY WITH HIGHS AROUND 60. CHANCE OF RAIN  
50 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 30S.    
FRIDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE MID  
60S.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
AROUND 40.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE MID 40S.    
SUNDAY  
MOSTLY SUNNY. HIGHS AROUND 80.  
 
 
 
WYZ023-181000-  
STAR VALLEY-  
INCLUDING THE CITIES OF AFTON, ALPINE, STAR VALLEY RANCH,  
AND THAYNE  
1119 PM MDT SUN MAY 17 2026  
   
TONIGHT  
CLOUDY. NUMEROUS SNOW SHOWERS AND SCATTERED RAIN  
SHOWERS LATE THIS EVENING, THEN SNOW SHOWERS AND NUMEROUS RAIN  
SHOWERS AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH. BREEZY  
WITH LOWS AROUND 30. NORTH WINDS 15 TO 20 MPH WITH GUSTS UP TO  
30 MPH. CHANCE OF PRECIPITATION 80 PERCENT.    
MONDAY  
CLOUDY WITH SCATTERED SNOW SHOWERS. SCATTERED RAIN  
SHOWERS WITH ISOLATED THUNDERSTORMS IN THE AFTERNOON. HIGHS  
AROUND 50. NORTH WINDS AROUND 10 MPH. CHANCE OF PRECIPITATION  
40 PERCENT.    
MONDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
IN THE UPPER 20S. NORTH WINDS AROUND 10 MPH IN THE EVENING.    
TUESDAY  
PARTLY CLOUDY. HIGHS IN THE MID 50S.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS AROUND 30.    
WEDNESDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HIGHS AROUND 60.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE LOWER 30S.    
THURSDAY  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN SHOWERS IN  
THE MORNING, THEN PARTLY CLOUDY IN THE AFTERNOON. HIGHS AROUND  
60. CHANCE OF RAIN 20 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 30S.    
FRIDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S. CHANCE OF  
RAIN 20 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
IN THE MID 30S.    
SATURDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE LOWER 70S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 30S.    
SUNDAY  
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS  
AROUND 80.  
 
 
 
WYZ025-181000-  
UPPER GREEN RIVER BASIN FOOTHILLS-  
INCLUDING THE CITY OF PINEDALE  
1119 PM MDT SUN MAY 17 2026  
   
TONIGHT  
CLOUDY WITH NUMEROUS SNOW SHOWERS. LITTLE OR NO SNOW  
ACCUMULATION. BREEZY WITH LOWS IN THE MID 20S. NORTH WINDS 15 TO  
20 MPH WITH GUSTS UP TO 40 MPH. CHANCE OF SNOW 60 PERCENT.    
MONDAY  
SNOW SHOWERS IN THE MORNING, THEN NUMEROUS SNOW SHOWERS  
WITH ISOLATED THUNDERSTORMS IN THE AFTERNOON. SNOW ACCUMULATION  
UP TO 1 INCH. BREEZY WITH HIGHS IN THE LOWER 40S. NORTH WINDS  
15 TO 20 MPH WITH GUSTS UP TO 35 MPH, BECOMING NORTHEAST AROUND  
10 MPH WITH GUSTS UP TO 25 MPH IN THE AFTERNOON. CHANCE OF SNOW  
80 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY. SNOW SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE EVENING, THEN NUMEROUS SNOW SHOWERS AFTER  
MIDNIGHT. SNOW ACCUMULATION UP TO 2 INCHES. LOWS IN THE MID 20S.  
SOUTHEAST WINDS AROUND 10 MPH IN THE EVENING. CHANCE OF SNOW  
80 PERCENT.    
TUESDAY  
PARTLY CLOUDY. HIGHS AROUND 50.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE MID 20S.    
WEDNESDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HIGHS IN THE MID 50S.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS AROUND 30.    
THURSDAY  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN SHOWERS. A  
SLIGHT CHANCE OF SNOW SHOWERS IN THE MORNING, THEN A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 50S.  
CHANCE OF PRECIPITATION 20 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 30.    
FRIDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 60. CHANCE OF RAIN  
20 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
AROUND 30.    
SATURDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE MID 60S.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE LOWER 30S.    
SUNDAY  
MOSTLY SUNNY. A SLIGHT CHANCE OF. HIGHS IN THE LOWER  
70S.  
 
 
 
WYZ026-181000-  
UPPER GREEN RIVER BASIN-  
INCLUDING THE CITIES OF LA BARGE, BIG PINEY, AND FARSON  
1119 PM MDT SUN MAY 17 2026  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS  
EVENING TO 6 PM MDT MONDAY...  
   
TONIGHT  
NUMEROUS RAIN SHOWERS LATE THIS EVENING. SNOW SHOWERS.  
PATCHY BLOWING SNOW AFTER MIDNIGHT. SNOW ACCUMULATION UP TO  
2 INCHES. BREEZY WITH LOWS IN THE MID 20S. NORTHEAST WINDS 20 TO  
25 MPH WITH GUSTS UP TO 45 MPH. CHANCE OF PRECIPITATION  
80 PERCENT.    
MONDAY  
CLOUDY. PATCHY BLOWING SNOW IN THE MORNING. SNOW  
SHOWERS IN THE MORNING, THEN NUMEROUS SNOW SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE AFTERNOON. STORM TOTAL SNOW ACCUMULATION OF  
1 TO 3 INCHES. BREEZY WITH HIGHS AROUND 40. NORTH WINDS 20 TO  
25 MPH WITH GUSTS UP TO 40 MPH, BECOMING EAST 10 TO 15 MPH WITH  
GUSTS UP TO 30 MPH IN THE AFTERNOON. CHANCE OF SNOW 90 PERCENT.    
MONDAY NIGHT  
CLOUDY. SNOW SHOWERS WITH ISOLATED THUNDERSTORMS  
IN THE EVENING, THEN SCATTERED SNOW SHOWERS AFTER MIDNIGHT. NEW  
SNOW ACCUMULATION UP TO 3 INCHES. LOWS IN THE LOWER 20S. SOUTH  
WINDS 10 TO 15 MPH. CHANCE OF SNOW 80 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN  
THE UPPER 40S.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 20S. SOUTHWEST  
WINDS AROUND 10 MPH IN THE EVENING.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 50S.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 20S.    
THURSDAY  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN SHOWERS. A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 60.  
CHANCE OF RAIN 20 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 20S.    
FRIDAY  
PARTLY CLOUDY. HIGHS IN THE LOWER 60S.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
AROUND 30.    
SATURDAY  
MOSTLY SUNNY. HIGHS AROUND 70.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE MID 30S.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S.  
 
 
 
WYZ010-181000-  
NORTHEAST JOHNSON COUNTY-  
INCLUDING THE CITY OF BUFFALO  
1119 PM MDT SUN MAY 17 2026  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS  
EVENING TO 6 PM MDT MONDAY...  
   
TONIGHT  
CLOUDY WITH SCATTERED RAIN SHOWERS. SCATTERED SNOW  
SHOWERS LATE THIS EVENING, THEN NUMEROUS SNOW SHOWERS AFTER  
MIDNIGHT. LITTLE OR NO SNOW ACCUMULATION. BREEZY WITH LOWS IN THE  
LOWER 30S. NORTH WINDS 15 TO 25 MPH. GUSTS UP TO 40 MPH AFTER  
MIDNIGHT. CHANCE OF PRECIPITATION 60 PERCENT.    
MONDAY  
CLOUDY. PATCHY BLOWING SNOW IN THE MORNING. SNOW  
SHOWERS WITH ISOLATED RAIN SHOWERS IN THE MORNING, THEN NUMEROUS  
SNOW SHOWERS AND SCATTERED RAIN SHOWERS IN THE AFTERNOON. SNOW  
ACCUMULATION UP TO 1 INCH. BREEZY WITH HIGHS IN THE LOWER 40S.  
NORTH WINDS 20 TO 25 MPH WITH GUSTS UP TO 40 MPH. CHANCE OF  
PRECIPITATION 80 PERCENT.    
MONDAY NIGHT  
CLOUDY IN THE EVENING, THEN BECOMING PARTLY  
CLOUDY. BREEZY WITH LOWS IN THE UPPER 20S. NORTH WINDS 15 TO  
20 MPH WITH GUSTS UP TO 30 MPH IN THE EVENING.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 50S.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 30S. SOUTH WINDS  
10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
WEDNESDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE UPPER 60S.    
WEDNESDAY NIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS.  
LOWS IN THE UPPER 30S. CHANCE OF RAIN 20 PERCENT.    
THURSDAY  
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. BREEZY WITH HIGHS IN  
THE UPPER 50S. CHANCE OF RAIN 50 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN  
SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR AFTER  
MIDNIGHT. LOWS IN THE MID 30S. CHANCE OF RAIN 20 PERCENT.    
FRIDAY  
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS WITH A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 60S.  
CHANCE OF RAIN 30 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 40.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE MID 40S.    
SUNDAY  
MOSTLY SUNNY. HIGHS AROUND 80.  
 
 
 
WYZ011-181000-  
SOUTHEAST JOHNSON COUNTY-  
INCLUDING THE CITY OF KAYCEE  
1119 PM MDT SUN MAY 17 2026  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS  
EVENING TO 6 PM MDT MONDAY...  
   
TONIGHT  
CLOUDY. SCATTERED RAIN SHOWERS LATE THIS EVENING, THEN  
SNOW SHOWERS AND NUMEROUS RAIN SHOWERS AFTER MIDNIGHT. SNOW  
ACCUMULATION UP TO 1 INCH. BREEZY WITH LOWS AROUND 30. NORTH  
WINDS 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. CHANCE OF  
PRECIPITATION 80 PERCENT.    
MONDAY  
PATCHY BLOWING SNOW IN THE MORNING. SNOW SHOWERS.  
SCATTERED RAIN SHOWERS WITH ISOLATED THUNDERSTORMS IN THE  
AFTERNOON. SNOW ACCUMULATION UP TO 3 INCHES. BREEZY WITH HIGHS  
AROUND 40. NORTH WINDS 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.  
CHANCE OF PRECIPITATION 80 PERCENT.    
MONDAY NIGHT  
CLOUDY WITH SCATTERED RAIN AND SNOW SHOWERS IN  
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE UPPER  
20S. NORTH WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH IN THE  
EVENING. CHANCE OF PRECIPITATION 30 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN  
THE MID 50S. SOUTHWEST WINDS AROUND 10 MPH IN THE AFTERNOON.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS AROUND 30. SOUTH WINDS 10 TO  
15 MPH WITH GUSTS UP TO 25 MPH.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS IN THE MID 60S.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF. LOWS IN THE  
UPPER 30S.    
THURSDAY  
PARTLY CLOUDY IN THE MORNING, THEN BECOMING MOSTLY  
CLOUDY. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 50S. CHANCE OF RAIN 50 PERCENT.   
THURSDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 30S. CHANCE OF RAIN  
20 PERCENT.    
FRIDAY  
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH A  
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE MID 60S. CHANCE OF RAIN 30 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
IN THE UPPER 30S.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE MID 40S.    
SUNDAY  
MOSTLY SUNNY. HIGHS AROUND 80.  
 
 
 
WYZ027-181000-  
SOUTH LINCOLN COUNTY-  
INCLUDING THE CITIES OF KEMMERER AND COKEVILLE  
1119 PM MDT SUN MAY 17 2026  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS  
EVENING TO 6 PM MDT MONDAY...  
   
TONIGHT  
SNOW AND RAIN SHOWERS. AREAS OF BLOWING SNOW AFTER  
MIDNIGHT. SNOW ACCUMULATION UP TO 4 INCHES. BREEZY WITH LOWS IN  
THE MID 20S. NORTHEAST WINDS 15 TO 20 MPH WITH GUSTS UP TO  
30 MPH. CHANCE OF PRECIPITATION 90 PERCENT.    
MONDAY  
CLOUDY. SNOW SHOWERS IN THE MORNING, THEN SCATTERED  
SNOW SHOWERS, RAIN SHOWERS WITH ISOLATED THUNDERSTORMS IN THE  
AFTERNOON. STORM TOTAL SNOW ACCUMULATION OF 2 TO 4 INCHES. HIGHS  
AROUND 40. NORTH WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH,  
BECOMING SOUTHEAST IN THE AFTERNOON. CHANCE OF PRECIPITATION  
90 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY. SCATTERED SNOW AND RAIN SHOWERS IN  
THE EVENING. LOWS IN THE LOWER 20S. SOUTH WINDS AROUND 10 MPH IN  
THE EVENING. CHANCE OF PRECIPITATION 30 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN  
THE UPPER 40S.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 20S.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS IN THE MID 50S.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 30S.    
THURSDAY  
PARTLY CLOUDY AND BREEZY. HIGHS AROUND 60.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 30S.    
FRIDAY  
PARTLY CLOUDY. HIGHS IN THE MID 60S.    
FRIDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 30S.    
SATURDAY  
MOSTLY SUNNY AND BREEZY. HIGHS AROUND 70.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE UPPER 30S.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S.  
 
 
 
WYZ016-181000-  
UPPER WIND RIVER BASIN-  
INCLUDING THE CITY OF DUBOIS  
1119 PM MDT SUN MAY 17 2026  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS  
EVENING TO 6 PM MDT MONDAY...  
   
TONIGHT  
CLOUDY WITH SNOW SHOWERS. SNOW ACCUMULATION UP TO  
2 INCHES. BREEZY WITH LOWS IN THE MID 20S. EAST WINDS 15 TO  
20 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF SNOW 80 PERCENT.    
MONDAY  
CLOUDY. SNOW SHOWERS IN THE MORNING, THEN NUMEROUS SNOW  
SHOWERS WITH ISOLATED THUNDERSTORMS IN THE AFTERNOON. STORM TOTAL  
SNOW ACCUMULATION AROUND AN INCH. BREEZY WITH HIGHS IN THE UPPER  
30S. EAST WINDS 15 TO 20 MPH WITH GUSTS UP TO 35 MPH. CHANCE OF  
SNOW 80 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH SCATTERED SNOW SHOWERS IN THE  
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE MID 20S.  
EAST WINDS 10 TO 15 MPH IN THE EVENING. CHANCE OF SNOW  
30 PERCENT.    
TUESDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HIGHS AROUND 50. SOUTH WINDS AROUND 10 MPH IN THE  
AFTERNOON.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE UPPER 20S. SOUTHWEST WINDS 10 TO 15 MPH, BECOMING  
WEST AFTER MIDNIGHT.    
WEDNESDAY  
SUNNY IN THE MORNING, THEN BECOMING PARTLY CLOUDY.  
HIGHS IN THE UPPER 50S.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN AND  
SNOW SHOWERS AFTER MIDNIGHT. LOWS IN THE MID 30S. CHANCE OF  
PRECIPITATION 20 PERCENT.    
THURSDAY  
PARTLY CLOUDY. A CHANCE OF RAIN AND SNOW SHOWERS IN  
THE MORNING, THEN A SLIGHT CHANCE OF RAIN SHOWERS, THUNDERSTORMS  
AND SNOW SHOWERS IN THE AFTERNOON. LITTLE OR NO SNOW  
ACCUMULATION. HIGHS IN THE MID 50S. CHANCE OF PRECIPITATION  
50 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS  
AND THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 30S. CHANCE  
OF RAIN 20 PERCENT.    
FRIDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 60. CHANCE OF RAIN  
20 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
IN THE MID 30S.    
SATURDAY  
MOSTLY SUNNY. A SLIGHT CHANCE OF. BREEZY WITH HIGHS  
IN THE UPPER 60S.    
SATURDAY NIGHT  
MOSTLY CLEAR AND BREEZY. LOWS AROUND 40.    
SUNDAY  
MOSTLY SUNNY AND BREEZY. HIGHS IN THE LOWER 70S.  
 
 
 
WYZ001-181000-  
YELLOWSTONE NATIONAL PARK-  
INCLUDING THE CITIES OF LAKE, MAMMOTH, AND OLD FAITHFUL  
1119 PM MDT SUN MAY 17 2026  
   
TONIGHT  
CLOUDY WITH SCATTERED SNOW SHOWERS. COLD WITH LOWS  
AROUND 20. NORTH WINDS 10 TO 15 MPH WITH GUSTS UP TO 30 MPH.  
CHANCE OF SNOW 30 PERCENT.    
MONDAY  
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS IN THE AFTERNOON.  
BREEZY WITH HIGHS IN THE UPPER 30S. NORTH WINDS 15 TO 20 MPH WITH  
GUSTS UP TO 30 MPH. CHANCE OF SNOW 30 PERCENT.    
MONDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. COLD  
WITH LOWS AROUND 20. NORTH WINDS 10 TO 15 MPH IN THE EVENING.    
TUESDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HIGHS IN THE MID 40S. WEST WINDS AROUND 10 MPH IN THE  
AFTERNOON.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE MID 20S. SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS UP  
TO 20 MPH IN THE EVENING.    
WEDNESDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF. HIGHS AROUND 50.    
WEDNESDAY NIGHT  
A CHANCE OF RAIN SHOWERS WITH A SLIGHT CHANCE  
OF THUNDERSTORMS IN THE EVENING. MOSTLY CLOUDY WITH A CHANCE OF  
SNOW SHOWERS. LITTLE OR NO SNOW ACCUMULATION. LOWS IN THE UPPER  
20S. CHANCE OF PRECIPITATION 50 PERCENT.    
THURSDAY  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SNOW SHOWERS. A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE  
UPPER 40S. CHANCE OF SNOW 20 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. A  
SLIGHT CHANCE OF THUNDERSTORMS AND SNOW SHOWERS IN THE EVENING,  
THEN A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER  
20S. CHANCE OF PRECIPITATION 30 PERCENT.    
FRIDAY  
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 50S. CHANCE OF  
RAIN 30 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 30S.    
SATURDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE UPPER 50S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 30S.    
SUNDAY  
MOSTLY SUNNY. A SLIGHT CHANCE OF. BREEZY WITH HIGHS IN  
THE MID 60S.  
 
 
 
WYZ029-181000-  
FLAMING GORGE-  
1119 PM MDT SUN MAY 17 2026  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS  
EVENING TO 6 PM MDT MONDAY...  
   
TONIGHT  
NUMEROUS RAIN SHOWERS, SNOW SHOWERS WITH ISOLATED  
THUNDERSTORMS LATE THIS EVENING, THEN SNOW AND RAIN SHOWERS AFTER  
MIDNIGHT. BLOWING SNOW AFTER MIDNIGHT WITH VISIBILITY ONE QUARTER  
MILE OR LESS AT TIMES. SNOW ACCUMULATION AROUND 5 INCHES. WINDY  
WITH LOWS IN THE MID 20S. NORTHEAST WINDS 20 TO 30 MPH. GUSTS UP  
TO 50 MPH AFTER MIDNIGHT. CHANCE OF PRECIPITATION 90 PERCENT.    
MONDAY  
CLOUDY. SNOW SHOWERS IN THE MORNING, THEN NUMEROUS SNOW  
SHOWERS WITH ISOLATED THUNDERSTORMS IN THE AFTERNOON. BLOWING  
SNOW IN THE MORNING, THEN AREAS OF BLOWING SNOW IN THE AFTERNOON.  
SNOW MAY BE HEAVY AT TIMES IN THE MORNING WITH VISIBILITY ONE  
QUARTER MILE OR LESS AT TIMES. STORM TOTAL SNOW ACCUMULATION OF  
3 TO 5 INCHES. WINDY WITH HIGHS IN THE MID 30S. NORTHEAST WINDS  
20 TO 30 MPH. GUSTS UP TO 50 MPH IN THE MORNING. CHANCE OF SNOW  
90 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 20S. EAST WINDS 10 TO 15 MPH IN  
THE EVENING.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN  
THE MID 40S.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE MID 20S.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS IN THE MID 50S.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 30S.    
THURSDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 50S. CHANCE OF  
RAIN 20 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 30S.    
FRIDAY  
PARTLY CLOUDY. HIGHS IN THE LOWER 60S.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
AROUND 40.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE LOWER 40S.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S.  
 
 
 
WYZ022-181000-  
CASPER MOUNTAIN-  
1119 PM MDT SUN MAY 17 2026  
 
...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING  
TO 6 PM MDT MONDAY...  
   
TONIGHT  
SNOW AND RAIN SHOWERS LATE THIS EVENING, THEN SNOW  
SHOWERS AFTER MIDNIGHT. PATCHY BLOWING SNOW LATE THIS EVENING.  
BLOWING SNOW AFTER MIDNIGHT. SNOW MAY BE HEAVY AT TIMES AFTER  
MIDNIGHT WITH VISIBILITY ONE QUARTER MILE OR LESS AT TIMES. SNOW  
ACCUMULATION UP TO 8 INCHES. BREEZY WITH LOWS IN THE LOWER 20S.  
NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. CHANCE OF  
PRECIPITATION NEAR 100 PERCENT.    
MONDAY  
SNOW SHOWERS. BLOWING SNOW IN THE MORNING. AREAS OF  
BLOWING SNOW IN THE AFTERNOON. SNOW MAY BE HEAVY AT TIMES IN THE  
MORNING WITH VISIBILITY ONE QUARTER MILE OR LESS AT TIMES. STORM  
TOTAL SNOW ACCUMULATION OF 8 TO 12 INCHES. WINDY AND MUCH COOLER  
WITH HIGHS IN THE UPPER 20S. NORTHEAST WINDS 20 TO 30 MPH WITH  
GUSTS UP TO 40 MPH. CHANCE OF SNOW 90 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS IN THE  
EVENING. COLD WITH LOWS AROUND 20. NORTH WINDS 10 TO 15 MPH IN  
THE EVENING. CHANCE OF SNOW 30 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN  
THE UPPER 30S.    
TUESDAY NIGHT  
MOSTLY CLEAR. COLD WITH LOWS AROUND 20. SOUTH  
WINDS AROUND 10 MPH.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 40S.    
WEDNESDAY NIGHT  
MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. LOWS AROUND 30.    
THURSDAY  
PARTLY CLOUDY IN THE MORNING, THEN MOSTLY CLOUDY WITH  
A CHANCE OF RAIN SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
HIGHS AROUND 50. CHANCE OF RAIN 40 PERCENT.    
THURSDAY NIGHT  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN  
SHOWERS, THUNDERSTORMS AND SNOW SHOWERS IN THE EVENING, THEN  
PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE LOWER 30S. CHANCE OF  
PRECIPITATION 20 PERCENT.    
FRIDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 50S. CHANCE OF  
RAIN 20 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
IN THE MID 30S.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 60S.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE LOWER 40S.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.  
 
 
 
WYZ002-181000-  
ABSAROKA MOUNTAINS-  
1119 PM MDT SUN MAY 17 2026  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS  
EVENING TO 6 PM MDT MONDAY...  
   
TONIGHT  
PATCHY BLOWING SNOW LATE THIS EVENING. CLOUDY WITH  
SNOW SHOWERS. SNOW ACCUMULATION UP TO 4 INCHES. BREEZY, COLD WITH  
LOWS 15 TO 23. NORTHEAST WINDS 15 TO 20 MPH WITH GUSTS UP TO  
30 MPH. CHANCE OF SNOW 80 PERCENT.    
MONDAY  
AREAS OF BLOWING SNOW IN THE MORNING. SNOW SHOWERS IN  
THE MORNING, THEN NUMEROUS SNOW SHOWERS WITH ISOLATED  
THUNDERSTORMS IN THE AFTERNOON WITH VISIBILITY ONE QUARTER MILE  
OR LESS AT TIMES. STORM TOTAL SNOW ACCUMULATION AROUND AN INCH.  
BREEZY WITH HIGHS IN THE LOWER 30S. NORTHEAST WINDS 15 TO 20 MPH.  
GUSTS UP TO 40 MPH IN THE MORNING. CHANCE OF SNOW 90 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH NUMEROUS SNOW SHOWERS IN THE  
EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. NEW SNOW ACCUMULATION  
UP TO 1 INCH. COLD WITH LOWS 11 TO 21. NORTHEAST WINDS 10 TO  
15 MPH WITH GUSTS UP TO 25 MPH, BECOMING WEST AFTER MIDNIGHT.  
CHANCE OF SNOW 60 PERCENT.    
TUESDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HIGHS AROUND 40. WEST WINDS AROUND 10 MPH.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE LOWER 20S. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS UP  
TO 25 MPH.    
WEDNESDAY  
MOSTLY SUNNY IN THE MORNING, THEN PARTLY CLOUDY WITH  
A CHANCE OF SNOW SHOWERS, A SLIGHT CHANCE OF RAIN SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 40S. CHANCE OF  
PRECIPITATION 40 PERCENT.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY WITH A SLIGHT CHANCE OF  
THUNDERSTORMS. SNOW AND RAIN SHOWERS LIKELY IN THE EVENING, THEN  
A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. LITTLE OR NO SNOW  
ACCUMULATION. LOWS IN THE UPPER 20S. CHANCE OF PRECIPITATION  
60 PERCENT.    
THURSDAY  
PARTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS. A CHANCE  
OF RAIN SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. LITTLE OR NO SNOW ACCUMULATION. HIGHS IN THE LOWER  
40S. CHANCE OF PRECIPITATION 50 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS. A  
SLIGHT CHANCE OF RAIN SHOWERS AND THUNDERSTORMS IN THE EVENING,  
THEN A CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER  
20S. CHANCE OF PRECIPITATION 30 PERCENT.    
FRIDAY  
PARTLY CLOUDY. A CHANCE OF THUNDERSTORMS, RAIN AND SNOW  
SHOWERS IN THE AFTERNOON. HIGHS IN THE UPPER 40S. CHANCE OF  
PRECIPITATION 40 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 30S.    
SATURDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF. BREEZY WITH HIGHS IN THE LOWER 50S.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
BREEZY WITH LOWS IN THE MID 30S.    
SUNDAY  
MOSTLY SUNNY. A SLIGHT CHANCE OF. BREEZY WITH HIGHS IN  
THE UPPER 50S.  
 
 
 
WYZ007-181000-  
OWL CREEK AND BRIDGER MOUNTAINS-  
1119 PM MDT SUN MAY 17 2026  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS  
EVENING TO 6 PM MDT MONDAY...  
   
TONIGHT  
CLOUDY. NUMEROUS SNOW SHOWERS AND SCATTERED RAIN  
SHOWERS LATE THIS EVENING, THEN SNOW SHOWERS AFTER MIDNIGHT.  
PATCHY BLOWING SNOW LATE THIS EVENING. BLOWING SNOW AFTER  
MIDNIGHT WITH VISIBILITY ONE QUARTER MILE OR LESS AT TIMES. SNOW  
ACCUMULATION UP TO 4 INCHES. WINDY WITH LOWS IN THE MID 20S.  
NORTH WINDS 25 TO 35 MPH WITH GUSTS UP TO 60 MPH. CHANCE OF  
PRECIPITATION 80 PERCENT.    
MONDAY  
CLOUDY WITH SNOW SHOWERS. BLOWING SNOW IN THE MORNING.  
AREAS OF BLOWING SNOW IN THE AFTERNOON. SNOW MAY BE HEAVY AT  
TIMES IN THE MORNING WITH VISIBILITY ONE QUARTER MILE OR LESS AT  
TIMES. STORM TOTAL SNOW ACCUMULATION OF 3 TO 5 INCHES. VERY WINDY  
WITH HIGHS IN THE MID 30S. NORTH WINDS 30 TO 40 MPH WITH GUSTS UP  
TO 60 MPH, DIMINISHING TO 20 TO 30 MPH WITH GUSTS UP TO 45 MPH IN  
THE AFTERNOON. CHANCE OF SNOW 90 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
IN THE MID 20S. NORTH WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH  
IN THE EVENING.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 40S. SOUTH WINDS  
10 TO 15 MPH.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
BREEZY WITH LOWS AROUND 30. SOUTH WINDS 15 TO 20 MPH.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 50S.    
WEDNESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY  
CLOUDY WITH A CHANCE OF RAIN SHOWERS, SNOW SHOWERS WITH A SLIGHT  
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE UPPER 30S.  
CHANCE OF PRECIPITATION 30 PERCENT.    
THURSDAY  
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. A CHANCE  
OF SNOW SHOWERS IN THE MORNING, THEN A SLIGHT CHANCE OF  
THUNDERSTORMS AND SNOW SHOWERS IN THE AFTERNOON. LITTLE OR NO  
SNOW ACCUMULATION. BREEZY WITH HIGHS IN THE LOWER 50S. CHANCE OF  
PRECIPITATION 50 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN  
SHOWERS AND THUNDERSTORMS. LOWS IN THE MID 30S. CHANCE OF RAIN  
20 PERCENT.    
FRIDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS AROUND 60.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
IN THE LOWER 40S.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE MID 40S.    
SUNDAY  
MOSTLY SUNNY AND BREEZY. HIGHS IN THE LOWER 70S.  
 
 
 
WYZ008-181000-  
BIGHORN MOUNTAINS WEST-  
1119 PM MDT SUN MAY 17 2026  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS  
EVENING TO 6 PM MDT MONDAY...  
   
TONIGHT  
CLOUDY. NUMEROUS SNOW SHOWERS AND SCATTERED RAIN  
SHOWERS LATE THIS EVENING, THEN SNOW SHOWERS AFTER MIDNIGHT. SNOW  
ACCUMULATION UP TO 4 INCHES. BREEZY WITH LOWS IN THE MID 20S.  
NORTHEAST WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH. CHANCE OF  
PRECIPITATION 80 PERCENT.    
MONDAY  
PATCHY BLOWING SNOW IN THE MORNING. SNOW SHOWERS.  
ISOLATED THUNDERSTORMS IN THE AFTERNOON. STORM TOTAL SNOW  
ACCUMULATION OF 2 TO 4 INCHES. BREEZY WITH HIGHS IN THE LOWER  
30S. NORTH WINDS 15 TO 20 MPH. GUSTS UP TO 35 MPH IN THE MORNING.  
CHANCE OF SNOW 90 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH SCATTERED SNOW SHOWERS IN THE  
EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. LOWS IN THE LOWER 20S.  
NORTH WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH IN THE EVENING.  
CHANCE OF SNOW 30 PERCENT.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE MID 40S. WEST WINDS AROUND  
10 MPH.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 20S. SOUTH WINDS  
10 TO 15 MPH WITH GUSTS UP TO 35 MPH.    
WEDNESDAY  
MOSTLY SUNNY. A SLIGHT CHANCE OF. HIGHS IN THE LOWER  
50S.    
WEDNESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. A  
CHANCE OF RAIN AND SNOW SHOWERS. LOWS IN THE MID 30S. CHANCE OF  
PRECIPITATION 30 PERCENT.    
THURSDAY  
MOSTLY CLOUDY WITH A CHANCE OF RAIN AND SNOW SHOWERS.  
A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. LITTLE OR NO  
SNOW ACCUMULATION. HIGHS IN THE UPPER 40S. CHANCE OF  
PRECIPITATION 50 PERCENT.    
THURSDAY NIGHT  
A SLIGHT CHANCE OF RAIN SHOWERS AND  
THUNDERSTORMS IN THE EVENING. PARTLY CLOUDY WITH A SLIGHT CHANCE  
OF SNOW SHOWERS. LOWS IN THE LOWER 30S. CHANCE OF PRECIPITATION  
20 PERCENT.    
FRIDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF SNOW SHOWERS IN THE  
MORNING, THEN A CHANCE OF RAIN SHOWERS, SNOW SHOWERS WITH A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID  
50S. CHANCE OF PRECIPITATION 30 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 30S.    
SATURDAY  
MOSTLY SUNNY. HIGHS AROUND 60.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE MID 40S.    
SUNDAY  
MOSTLY SUNNY. A SLIGHT CHANCE OF. BREEZY WITH HIGHS IN  
THE MID 60S.  
 
 
 
WYZ009-181000-  
BIGHORN MOUNTAINS SOUTHEAST-  
1119 PM MDT SUN MAY 17 2026  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS  
EVENING TO 6 PM MDT MONDAY...  
   
TONIGHT  
CLOUDY WITH SNOW SHOWERS. PATCHY BLOWING SNOW AFTER  
MIDNIGHT. SNOW ACCUMULATION UP TO 3 INCHES. BREEZY WITH LOWS IN  
THE MID 20S. NORTHEAST WINDS 15 TO 20 MPH WITH GUSTS UP TO  
35 MPH. CHANCE OF SNOW 90 PERCENT.    
MONDAY  
SNOW SHOWERS IN THE MORNING, THEN SNOW SHOWERS WITH  
ISOLATED THUNDERSTORMS IN THE AFTERNOON. AREAS OF BLOWING SNOW IN  
THE MORNING. PATCHY BLOWING SNOW IN THE AFTERNOON WITH VISIBILITY  
ONE QUARTER MILE OR LESS AT TIMES. STORM TOTAL SNOW ACCUMULATION  
OF 3 TO 5 INCHES. BREEZY WITH HIGHS IN THE LOWER 30S. NORTH WINDS  
15 TO 20 MPH WITH GUSTS UP TO 35 MPH. CHANCE OF SNOW 90 PERCENT.    
MONDAY NIGHT  
CLOUDY WITH NUMEROUS SNOW SHOWERS IN THE EVENING,  
THEN PARTLY CLOUDY AFTER MIDNIGHT. NEW SNOW ACCUMULATION UP TO  
1 INCH. LOWS IN THE LOWER 20S. NORTHEAST WINDS 10 TO 15 MPH WITH  
GUSTS UP TO 25 MPH, BECOMING WEST AFTER MIDNIGHT. CHANCE OF SNOW  
60 PERCENT.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. WEST WINDS  
AROUND 10 MPH.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE MID 20S. SOUTHWEST  
WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.    
WEDNESDAY  
MOSTLY SUNNY. A SLIGHT CHANCE OF. HIGHS IN THE LOWER  
50S.    
WEDNESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS. A SLIGHT CHANCE OF RAIN  
SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF RAIN  
SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 30S. CHANCE OF  
PRECIPITATION 30 PERCENT.    
THURSDAY  
SNOW SHOWERS LIKELY. A CHANCE OF RAIN SHOWERS IN THE  
MORNING, THEN RAIN SHOWERS LIKELY WITH A SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. LITTLE OR NO SNOW ACCUMULATION.  
HIGHS IN THE UPPER 40S. CHANCE OF PRECIPITATION 70 PERCENT.    
THURSDAY NIGHT  
A SLIGHT CHANCE OF RAIN SHOWERS AND  
THUNDERSTORMS IN THE EVENING. PARTLY CLOUDY WITH A SLIGHT CHANCE  
OF SNOW SHOWERS. LOWS IN THE LOWER 30S. CHANCE OF PRECIPITATION  
20 PERCENT.    
FRIDAY  
PARTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS. A SLIGHT  
CHANCE OF RAIN SHOWERS IN THE MORNING, THEN A CHANCE OF RAIN  
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
HIGHS IN THE MID 50S. CHANCE OF PRECIPITATION 40 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
IN THE MID 30S.    
SATURDAY  
MOSTLY SUNNY. A SLIGHT CHANCE OF. BREEZY WITH HIGHS  
IN THE LOWER 60S.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE LOWER 40S.    
SUNDAY  
MOSTLY SUNNY. A SLIGHT CHANCE OF. BREEZY WITH HIGHS IN  
THE MID 60S.  
 
 
 
WYZ012-181000-  
TETON AND GROS VENTRE MOUNTAINS-  
1119 PM MDT SUN MAY 17 2026  
   
TONIGHT  
CLOUDY WITH NUMEROUS SNOW SHOWERS. PATCHY BLOWING  
SNOW. VISIBILITY ONE QUARTER MILE OR LESS AT TIMES. SNOW  
ACCUMULATION UP TO 1 INCH. BREEZY WITH LOWS IN THE LOWER 20S.  
NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS UP TO 35 MPH. CHANCE OF  
SNOW 60 PERCENT.    
MONDAY  
PATCHY BLOWING SNOW IN THE MORNING. CLOUDY WITH  
NUMEROUS SNOW SHOWERS. ISOLATED THUNDERSTORMS IN THE AFTERNOON.  
SNOW ACCUMULATION UP TO 1 INCH. BREEZY WITH HIGHS IN THE MID 30S.  
NORTHEAST WINDS 20 TO 25 MPH WITH GUSTS UP TO 35 MPH, DIMINISHING  
TO 10 TO 15 MPH WITH GUSTS UP TO 25 MPH IN THE AFTERNOON. CHANCE  
OF SNOW 60 PERCENT.    
MONDAY NIGHT  
PARTLY CLOUDY WITH SCATTERED SNOW SHOWERS IN THE  
EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. LOWS IN THE LOWER 20S.  
NORTHEAST WINDS 10 TO 15 MPH IN THE EVENING. CHANCE OF SNOW  
30 PERCENT.    
TUESDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HIGHS IN THE LOWER 40S. WEST WINDS AROUND 10 MPH IN THE  
AFTERNOON.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE MID 20S. SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS UP  
TO 20 MPH, BECOMING SOUTHEAST AFTER MIDNIGHT.    
WEDNESDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HIGHS IN THE UPPER 40S.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN  
SHOWERS, THUNDERSTORMS AND SNOW SHOWERS IN THE EVENING, THEN A  
CHANCE OF SNOW AND RAIN SHOWERS AFTER MIDNIGHT. LITTLE OR NO SNOW  
ACCUMULATION. LOWS IN THE LOWER 30S. CHANCE OF PRECIPITATION  
50 PERCENT.    
THURSDAY  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF SNOW SHOWERS. A  
SLIGHT CHANCE OF RAIN SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
HIGHS IN THE UPPER 40S. CHANCE OF PRECIPITATION 20 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 20S.    
FRIDAY  
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS, SNOW SHOWERS  
WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN  
THE LOWER 50S. CHANCE OF PRECIPITATION 30 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 30S.    
SATURDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF. BREEZY WITH HIGHS IN THE UPPER 50S.    
SATURDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 30S.    
SUNDAY  
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. A SLIGHT  
CHANCE OF. BREEZY WITH HIGHS IN THE LOWER 60S.  
 
 
 
WYZ014-181000-  
WIND RIVER MOUNTAINS WEST-  
1119 PM MDT SUN MAY 17 2026  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS  
EVENING TO 6 PM MDT MONDAY...  
   
TONIGHT  
SNOW SHOWERS. AREAS OF BLOWING SNOW LATE THIS EVENING.  
BLOWING SNOW AFTER MIDNIGHT. VISIBILITY ONE QUARTER MILE OR LESS  
AT TIMES. SNOW ACCUMULATION UP TO 8 INCHES. WINDY, COLD WITH LOWS  
14 TO 24. NORTHEAST WINDS 25 TO 35 MPH. GUSTS UP TO 60 MPH AFTER  
MIDNIGHT. CHANCE OF SNOW 80 PERCENT.    
MONDAY  
SNOW SHOWERS. BLOWING SNOW IN THE MORNING. AREAS OF  
BLOWING SNOW IN THE AFTERNOON. ISOLATED THUNDERSTORMS IN THE  
AFTERNOON. VISIBILITY ONE QUARTER MILE OR LESS AT TIMES IN THE  
MORNING. NEW SNOW ACCUMULATION UP TO 9 INCHES. WINDY WITH HIGHS  
IN THE UPPER 20S. NORTHEAST WINDS 25 TO 35 MPH WITH GUSTS UP TO  
60 MPH, DIMINISHING TO 20 TO 25 MPH WITH GUSTS UP TO 40 MPH IN  
THE AFTERNOON. CHANCE OF SNOW 80 PERCENT.    
MONDAY NIGHT  
CLOUDY. SNOW SHOWERS WITH ISOLATED THUNDERSTORMS  
IN THE EVENING, THEN NUMEROUS SNOW SHOWERS AFTER MIDNIGHT. STORM  
TOTAL SNOW ACCUMULATION OF 3 TO 5 INCHES. COLD WITH LOWS 13 TO  
23. EAST WINDS 10 TO 15 MPH IN THE EVENING. CHANCE OF SNOW  
80 PERCENT.    
TUESDAY  
PARTLY CLOUDY. HIGHS IN THE UPPER 30S. SOUTHWEST WINDS  
AROUND 10 MPH IN THE AFTERNOON.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE LOWER 20S. SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS  
UP TO 20 MPH IN THE EVENING.    
WEDNESDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HIGHS IN THE MID 40S.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. A SLIGHT CHANCE OF. LOWS IN THE UPPER 20S.    
THURSDAY  
MOSTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS. A SLIGHT  
CHANCE OF RAIN SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. LITTLE  
OR NO SNOW ACCUMULATION. HIGHS IN THE MID 40S. CHANCE OF  
PRECIPITATION 50 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS  
AND SNOW SHOWERS IN THE EVENING. LOWS IN THE UPPER 20S. CHANCE OF  
SNOW 20 PERCENT.    
FRIDAY  
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS, SNOW SHOWERS  
WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS  
AROUND 50. CHANCE OF PRECIPITATION 30 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
IN THE UPPER 20S.    
SATURDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF. BREEZY WITH HIGHS IN THE MID 50S.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE MID 30S.    
SUNDAY  
MOSTLY SUNNY. A SLIGHT CHANCE OF. BREEZY WITH HIGHS  
AROUND 60.  
 
 
 
WYZ015-181000-  
WIND RIVER MOUNTAINS EAST-  
1119 PM MDT SUN MAY 17 2026  
 
...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING  
TO 6 PM MDT MONDAY...  
   
TONIGHT  
SNOW SHOWERS. BLOWING SNOW. SNOW MAY BE HEAVY AT  
TIMES. VISIBILITY ONE QUARTER MILE OR LESS AT TIMES. SNOW  
ACCUMULATION UP TO 9 INCHES. BREEZY, COLD WITH LOWS 13 TO 21.  
NORTHEAST WINDS 20 TO 25 MPH WITH GUSTS UP TO 50 MPH. CHANCE OF  
SNOW 90 PERCENT.    
MONDAY  
BLOWING SNOW IN THE MORNING. SNOW SHOWERS IN THE  
MORNING, THEN SNOW SHOWERS WITH ISOLATED THUNDERSTORMS IN THE  
AFTERNOON. SNOW MAY BE HEAVY AT TIMES IN THE MORNING WITH  
VISIBILITY ONE QUARTER MILE OR LESS AT TIMES. STORM TOTAL SNOW  
ACCUMULATION OF 6 TO 10 INCHES. WINDY WITH HIGHS IN THE MID 20S.  
NORTHEAST WINDS 20 TO 30 MPH WITH GUSTS UP TO 50 MPH, DIMINISHING  
TO 15 TO 20 MPH WITH GUSTS UP TO 35 MPH IN THE AFTERNOON. CHANCE  
OF SNOW 90 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY. SNOW SHOWERS, MAINLY IN THE  
EVENING. NEW SNOW ACCUMULATION UP TO 1 INCH. COLD WITH LOWS 10 TO  
20. EAST WINDS AROUND 10 MPH WITH GUSTS UP TO 20 MPH, BECOMING  
SOUTHWEST AFTER MIDNIGHT. CHANCE OF SNOW 80 PERCENT.    
TUESDAY  
PARTLY CLOUDY. HIGHS IN THE MID 30S. SOUTHWEST WINDS  
AROUND 10 MPH.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
COLD WITH LOWS AROUND 20. SOUTHWEST WINDS 10 TO 15 MPH.    
WEDNESDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE MID 40S.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 20S.    
THURSDAY  
PARTLY CLOUDY WITH A CHANCE OF SNOW SHOWERS. A CHANCE  
OF RAIN SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. LITTLE OR NO SNOW ACCUMULATION. HIGHS IN THE LOWER  
40S. CHANCE OF PRECIPITATION 50 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS  
AND SNOW SHOWERS IN THE EVENING. LOWS IN THE MID 20S. CHANCE OF  
SNOW 20 PERCENT.    
FRIDAY  
PARTLY CLOUDY. A CHANCE OF RAIN SHOWERS, SNOW SHOWERS  
WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN  
THE UPPER 40S. CHANCE OF PRECIPITATION 30 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
AROUND 30.    
SATURDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. A SLIGHT CHANCE OF. BREEZY WITH HIGHS IN THE LOWER 50S.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
BREEZY WITH LOWS IN THE MID 30S.    
SUNDAY  
MOSTLY SUNNY. A SLIGHT CHANCE OF. BREEZY WITH HIGHS IN  
THE UPPER 50S.  
 
 
 
WYZ019-181000-  
GREEN MOUNTAINS AND RATTLESNAKE RANGE-  
INCLUDING THE CITY OF JEFFREY CITY  
1119 PM MDT SUN MAY 17 2026  
 
...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING  
TO 6 PM MDT MONDAY...  
   
TONIGHT  
SNOW AND RAIN SHOWERS LATE THIS EVENING, THEN SNOW  
SHOWERS AFTER MIDNIGHT. PATCHY BLOWING SNOW LATE THIS EVENING.  
BLOWING SNOW AFTER MIDNIGHT. SNOW MAY BE HEAVY AT TIMES AFTER  
MIDNIGHT WITH VISIBILITY ONE QUARTER MILE OR LESS AT TIMES. SNOW  
ACCUMULATION UP TO 9 INCHES. WINDY WITH LOWS IN THE MID 20S.  
NORTHEAST WINDS 20 TO 25 MPH WITH GUSTS UP TO 45 MPH, INCREASING  
TO 25 TO 35 MPH WITH GUSTS UP TO 55 MPH AFTER MIDNIGHT. CHANCE OF  
PRECIPITATION 90 PERCENT.    
MONDAY  
SNOW SHOWERS. BLOWING SNOW IN THE MORNING. AREAS OF  
BLOWING SNOW IN THE AFTERNOON. SNOW MAY BE HEAVY AT TIMES IN THE  
MORNING WITH VISIBILITY ONE QUARTER MILE OR LESS AT TIMES. STORM  
TOTAL SNOW ACCUMULATION OF 6 TO 10 INCHES. WINDY, COOLER WITH  
HIGHS IN THE LOWER 30S. NORTH WINDS 25 TO 35 MPH. GUSTS UP TO  
55 MPH IN THE MORNING. CHANCE OF SNOW 90 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS IN THE  
EVENING. COLD WITH LOWS 16 TO 22. NORTHEAST WINDS 10 TO 15 MPH IN  
THE EVENING. CHANCE OF SNOW 30 PERCENT.    
TUESDAY  
PARTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN  
THE UPPER 30S.    
TUESDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE LOWER 20S. SOUTH WINDS  
AROUND 10 MPH WITH GUSTS UP TO 20 MPH.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS AROUND 50.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 30S.    
THURSDAY  
PARTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. A SLIGHT  
CHANCE OF SNOW SHOWERS IN THE MORNING, THEN A SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. LITTLE OR NO SNOW ACCUMULATION.  
HIGHS IN THE LOWER 50S. CHANCE OF PRECIPITATION 50 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS  
AND THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 30S. CHANCE  
OF RAIN 20 PERCENT.    
FRIDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF. HIGHS IN THE UPPER  
50S.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
IN THE MID 30S.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE MID 60S.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE UPPER 30S.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.  
 
 
 
WYZ024-181000-  
SALT RIVER AND WYOMING RANGES-  
1119 PM MDT SUN MAY 17 2026  
   
TONIGHT  
SNOW SHOWERS. SNOW ACCUMULATION UP TO 4 INCHES. BREEZY  
WITH LOWS IN THE MID 20S. NORTH WINDS 15 TO 20 MPH WITH GUSTS UP  
TO 30 MPH. CHANCE OF SNOW 90 PERCENT.    
MONDAY  
CLOUDY. SNOW SHOWERS IN THE MORNING, THEN NUMEROUS SNOW  
SHOWERS WITH ISOLATED THUNDERSTORMS IN THE AFTERNOON. STORM TOTAL  
SNOW ACCUMULATION OF 1 TO 3 INCHES. HIGHS IN THE MID 30S. NORTH  
WINDS 10 TO 15 MPH. GUSTS UP TO 30 MPH IN THE MORNING. CHANCE OF  
SNOW 90 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH NUMEROUS SNOW SHOWERS WITH  
ISOLATED THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY WITH  
SCATTERED SNOW SHOWERS AFTER MIDNIGHT. NEW SNOW ACCUMULATION UP  
TO 1 INCH. LOWS IN THE LOWER 20S. SOUTHWEST WINDS AROUND 10 MPH  
IN THE EVENING. CHANCE OF SNOW 60 PERCENT.    
TUESDAY  
PARTLY CLOUDY. HIGHS IN THE LOWER 40S. SOUTHWEST WINDS  
AROUND 10 MPH IN THE AFTERNOON.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE MID 20S. SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS UP  
TO 20 MPH, BECOMING SOUTH AFTER MIDNIGHT.    
WEDNESDAY  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. HIGHS AROUND 50.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 30S.    
THURSDAY  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN SHOWERS. A  
SLIGHT CHANCE OF SNOW SHOWERS IN THE MORNING, THEN A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 50S.  
CHANCE OF PRECIPITATION 20 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 30S.    
FRIDAY  
PARTLY CLOUDY. A SLIGHT CHANCE OF RAIN SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 50S. CHANCE OF  
RAIN 20 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
IN THE MID 30S.    
SATURDAY  
MOSTLY SUNNY AND BREEZY. HIGHS IN THE LOWER 60S.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS IN THE UPPER 30S.    
SUNDAY  
MOSTLY SUNNY AND BREEZY. HIGHS IN THE UPPER 60S.  
 
 
 
WYZ030-181000-  
EAST SWEETWATER COUNTY-  
INCLUDING THE CITY OF WAMSUTTER  
1119 PM MDT SUN MAY 17 2026  
 
...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING  
TO 6 PM MDT MONDAY...  
   
TONIGHT  
RAIN AND SNOW SHOWERS. BLOWING SNOW AFTER MIDNIGHT  
WITH VISIBILITY ONE QUARTER MILE OR LESS AT TIMES. SNOW  
ACCUMULATION AROUND 5 INCHES. WINDY WITH LOWS IN THE MID 20S.  
NORTHEAST WINDS 20 TO 25 MPH WITH GUSTS UP TO 40 MPH, INCREASING  
TO 25 TO 35 MPH WITH GUSTS UP TO 55 MPH AFTER MIDNIGHT. CHANCE OF  
PRECIPITATION 90 PERCENT.    
MONDAY  
SNOW SHOWERS IN THE MORNING, THEN SNOW SHOWERS WITH  
ISOLATED THUNDERSTORMS IN THE AFTERNOON. BLOWING SNOW. SNOW MAY  
BE HEAVY AT TIMES IN THE MORNING WITH VISIBILITY ONE QUARTER MILE  
OR LESS AT TIMES. STORM TOTAL SNOW ACCUMULATION OF 4 TO 8 INCHES.  
VERY WINDY AND COOLER WITH HIGHS IN THE LOWER 30S. NORTHEAST  
WINDS 30 TO 40 MPH. GUSTS UP TO 60 MPH, DECREASING TO 50 MPH IN  
THE AFTERNOON. CHANCE OF SNOW 90 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY AND BREEZY, COLD WITH LOWS 16 TO  
22. NORTHEAST WINDS 15 TO 20 MPH WITH GUSTS UP TO 30 MPH IN THE  
EVENING.    
TUESDAY  
MOSTLY CLOUDY IN THE MORNING, THEN CLEARING. HIGHS IN  
THE UPPER 30S.    
TUESDAY NIGHT  
MOSTLY CLEAR. COLD WITH LOWS AROUND 20.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 50S.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 30.    
THURSDAY  
PARTLY CLOUDY WITH A SLIGHT CHANCE OF RAIN SHOWERS. A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID  
50S. CHANCE OF RAIN 20 PERCENT.    
THURSDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 30S.    
FRIDAY  
PARTLY CLOUDY. HIGHS AROUND 60.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING. LOWS  
IN THE MID 30S.    
SATURDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.    
SATURDAY NIGHT  
PARTLY CLOUDY IN THE EVENING, THEN CLEARING.  
LOWS AROUND 40.    
SUNDAY  
MOSTLY SUNNY. HIGHS IN THE MID 70S.  
 
 
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