188  
WWUS45 KPIH 141834  
WSWPIH  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE POCATELLO ID  
1234 PM MDT TUE APR 14 2026  
 
IDZ071>074-151200-  
/O.NEW.KPIH.WW.Y.0009.260415T0600Z-260416T1800Z/  
FRANK CHURCH WILDERNESS-SAWTOOTH/STANLEY BASIN-SUN VALLEY REGION-  
BIG LOST HIGHLANDS/COPPER BASIN-  
INCLUDING THE CITIES OF GALENA, COPPER BASIN, KETCHUM, CLAYTON,  
SUN VALLEY, AND STANLEY  
1234 PM MDT TUE APR 14 2026  
 
...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON  
MDT THURSDAY ABOVE 7000 FEET ELEVATION...  
 
* WHAT...SNOW EXPECTED ABOVE 7000 FEET ELEVATION. TOTAL SNOW  
ACCUMULATIONS BETWEEN 6 AND 18 INCHES. 1 TO 7 INCHES EXPECTED  
BELOW 7000 FEET ELEVATION. WINDS GUSTING AS HIGH AS 45 MPH.  
 
* WHERE...BIG LOST HIGHLANDS/COPPER BASIN, FRANK CHURCH WILDERNESS,  
SAWTOOTH/STANLEY BASIN, AND SUN VALLEY REGION.  
 
* WHEN...FROM MIDNIGHT TONIGHT TO NOON MDT THURSDAY.  
 
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT TO IMPOSSIBLE. 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.  
 

 
 

 
 
IDZ060-066-151200-  
/O.NEW.KPIH.WW.Y.0009.260416T0000Z-260417T1200Z/  
BEAR RIVER RANGE-CENTENNIAL MOUNTAINS - ISLAND PARK-  
INCLUDING THE CITIES OF KILGORE, ISLAND PARK, AND EMIGRATION  
SUMMIT  
1234 PM MDT TUE APR 14 2026  
 
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM WEDNESDAY TO 6 AM MDT  
FRIDAY ABOVE 6500 FEET ELEVATION...  
 
* WHAT...SNOW EXPECTED ABOVE 6500 FEET ELEVATION. TOTAL SNOW  
ACCUMULATIONS BETWEEN 6 AND 11 INCHES. SNOW BELOW 6500 FEET  
ELEVATION WILL ACCUMULATE 1 TO 6 INCHES. WINDS GUSTING AS HIGH AS  
45 MPH.  
 
* WHERE...CENTENNIAL MOUNTAINS - ISLAND PARK, AND THE BEAR RIVER  
RANGE.  
 
* WHEN...FROM 6 PM WEDNESDAY TO 6 AM MDT FRIDAY.  
 
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS. MOST AFFECTED WILL BE  
MOUNTAIN PASSES HEADING INTO MONTANA IN THE EASTERN HIGHLANDS OR  
THROUGH EMIGRANT GAP IN SOUTHEAST IDAHO. 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.  
 

 
 

 
 
VISIT WEATHER.GOV/POCATELLO FOR MORE INFORMATION.  
 
MESSICK  
 
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