836  
WWUS75 KRIW 211851  
NPWRIW  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE RIVERTON WY  
1251 PM MDT SAT JUN 21 2025  
 
WYZ013-023-025>027-222200-  
/O.NEW.KRIW.FZ.W.0001.250623T0600Z-250623T1400Z/  
JACKSON HOLE-STAR VALLEY-UPPER GREEN RIVER BASIN FOOTHILLS-UPPER  
GREEN RIVER BASIN-SOUTH LINCOLN COUNTY-  
INCLUDING THE CITIES OF LA BARGE, COKEVILLE, BIG PINEY, STAR  
VALLEY RANCH, ALPINE, KEMMERER, JACKSON, AFTON, FARSON, THAYNE,  
AND PINEDALE  
1251 PM MDT SAT JUN 21 2025  
 
...FREEZE WARNING IN EFFECT FROM MIDNIGHT SUNDAY NIGHT TO 8 AM MDT  
MONDAY...  
 
* WHAT...LOW TEMPERATURES 26 TO 30, WITH READINGS AS LOW AS 23  
AROUND BONDURANT.  
 
* WHERE...JACKSON HOLE, SOUTH LINCOLN COUNTY, STAR VALLEY, UPPER  
GREEN RIVER BASIN, AND UPPER GREEN RIVER BASIN FOOTHILLS.  
 
* WHEN...FROM MIDNIGHT SUNDAY NIGHT TO 8 AM MDT MONDAY.  
 
* IMPACTS...FREEZE CONDITIONS COULD DAMAGE SENSITIVE VEGETATION AND  
POSSIBLY UNPROTECTED OUTDOOR PLUMBING.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TAKE STEPS TO PROTECT TENDER PLANTS FROM THE COLD.  
 
 
 
 
 
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE, VISIT  
HTTPS://WEATHER.GOV/RIW/ .  
 
CNJ  
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