408  
WWUS45 KPIH 302004  
WSWPIH  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE POCATELLO ID  
204 PM MDT SUN MAR 30 2025  
 
IDZ071>074-311115-  
/O.NEW.KPIH.WW.Y.0016.250331T0200Z-250401T0000Z/  
FRANK CHURCH WILDERNESS-SAWTOOTH/STANLEY BASIN-SUN VALLEY REGION-  
BIG LOST HIGHLANDS/COPPER BASIN-  
INCLUDING THE CITIES OF COPPER BASIN, KETCHUM, GALENA, STANLEY,  
SUN VALLEY, AND CLAYTON  
204 PM MDT SUN MAR 30 2025  
 
...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 6 PM  
MDT MONDAY...  
 
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 2 AND 5  
INCHES BELOW 7000 FEET AND BETWEEN 5 AND 10 INCHES ABOVE 7000 FEET.  
 
* WHERE...BIG LOST HIGHLANDS/COPPER BASIN, FRANK CHURCH WILDERNESS,  
SAWTOOTH/STANLEY BASIN, AND SUN VALLEY REGION.  
 
* WHEN...FROM 8 PM THIS EVENING TO 6 PM MDT MONDAY.  
 
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS, ESPECIALLY THROUGH  
MOUNTAIN PASSES. THE HAZARDOUS CONDITIONS COULD IMPACT THE MONDAY  
MORNING AND EVENING COMMUTES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING. CALL 5 1 1 OR VISIT  
511.IDAHO.GOV FOR THE LATEST ROAD CONDITIONS.  
 

 
 

 
 
IDZ060-063-064-066-067-311115-  
/O.NEW.KPIH.WW.Y.0016.250331T0500Z-250402T0000Z/  
BEAR RIVER RANGE-CARIBOU RANGE-BIG HOLE MOUNTAINS-CENTENNIAL  
MOUNTAINS - ISLAND PARK-BEAVERHEAD - LEMHI HIGHLANDS-  
INCLUDING THE CITIES OF SMALL, SWAN VALLEY, DUBOIS, SPENCER, EDIE  
SCHOOL, ISLAND PARK, VICTOR, EMIGRATION SUMMIT, KILGORE, AND  
WAYAN  
204 PM MDT SUN MAR 30 2025  
 
...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 6 PM  
MDT TUESDAY...  
 
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 3 AND 8  
INCHES BELOW 7500 FEET AND BETWEEN 8 TO 14 INCHES ABOVE 7500 FEET.  
 
* WHERE...BEAVERHEAD - LEMHI HIGHLANDS, BIG HOLE MOUNTAINS,  
CENTENNIAL MOUNTAINS - ISLAND PARK, BEAR RIVER RANGE, AND CARIBOU  
RANGE.  
 
* WHEN...FROM 11 PM THIS EVENING TO 6 PM MDT TUESDAY.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT AT TIMES, ESPECIALLY  
THROUGH MOUNTAIN PASSES. THE HAZARDOUS CONDITIONS COULD IMPACT THE  
MONDAY AND TUESDAY COMMUTES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING. CALL 5 1 1 OR VISIT  
511.IDAHO.GOV FOR THE LATEST ROAD CONDITIONS.  
 

 
 

 
 
VISIT WEATHER.GOV/POCATELLO FOR MORE INFORMATION.  
 
AM  
 
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