632  
WWUS45 KPIH 021002  
WSWPIH  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE POCATELLO ID  
402 AM MDT THU APR 2 2026  
 
IDZ060-063-064-066-022100-  
/O.CON.KPIH.WW.Y.0008.000000T0000Z-260403T1800Z/  
BEAR RIVER RANGE-CARIBOU RANGE-BIG HOLE MOUNTAINS-CENTENNIAL  
MOUNTAINS - ISLAND PARK-  
INCLUDING THE CITIES OF ISLAND PARK, EMIGRATION SUMMIT, KILGORE,  
SWAN VALLEY, WAYAN, AND VICTOR  
402 AM MDT THU APR 2 2026  
   
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT FRIDAY
 
 
* WHAT...SNOW EXPECTED. TOTAL STORM SNOW ACCUMULATIONS OF 4 TO 6  
INCHES AROUND 6500 FT, NAMELY AROUND ISLAND PARK. ABOVE 6500 FT, 8  
-16 INCHES OF SNOW IS EXPECTED. WINDS GUSTING AS HIGH AS 40 MPH.  
 
* WHERE...BIG HOLE MOUNTAINS, CENTENNIAL MOUNTAINS - ISLAND PARK,  
BEAR RIVER RANGE, AND CARIBOU RANGE.  
 
* WHEN...UNTIL NOON MDT FRIDAY.  
 
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS. THE HAZARDOUS  
CONDITIONS COULD IMPACT THE THURSDAY MORNING AND EVENING COMMUTES.  
GUSTY WINDS COULD BRING DOWN TREE BRANCHES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING. CALL 5 1 1 OR VISIT  
511.IDAHO.GOV FOR THE LATEST ROAD CONDITIONS.  
 

 
 

 
 
IDZ071>074-022100-  
/O.CON.KPIH.WW.Y.0008.000000T0000Z-260403T0000Z/  
FRANK CHURCH WILDERNESS-SAWTOOTH/STANLEY BASIN-SUN VALLEY REGION-  
BIG LOST HIGHLANDS/COPPER BASIN-  
INCLUDING THE CITIES OF GALENA, CLAYTON, COPPER BASIN, KETCHUM,  
STANLEY, AND SUN VALLEY  
402 AM MDT THU APR 2 2026  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS  
EVENING...  
 
* WHAT...SNOW EXPECTED. TOTAL STORM SNOW ACCUMULATIONS BETWEEN 2 AND  
5 INCHES BELOW 6500 FEET. 6 TO 10 INCHES 6500 FT TO 8000 FT AND  
1-2 FEET ON THE HIGHEST PEAKS. WINDS GUSTING AS HIGH AS 40 MPH.  
 
* WHERE...BIG LOST HIGHLANDS/COPPER BASIN, FRANK CHURCH WILDERNESS,  
SAWTOOTH/STANLEY BASIN, AND SUN VALLEY REGION.  
 
* WHEN...UNTIL 6 PM MDT THIS EVENING.  
 
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS. THE HAZARDOUS  
CONDITIONS COULD IMPACT THE THURSDAY 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.  
 

 
 

 
 
VISIT WEATHER.GOV/POCATELLO FOR MORE INFORMATION.  
 
WYATT  
 
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