034
WWUS45 KPIH 221838
WSWPIH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
1238 PM MDT Wed Apr 22 2026

IDZ060-063-064-066-231200-
/O.CON.KPIH.WW.Y.0010.000000T0000Z-260424T0600Z/
Bear River Range-Caribou Range-Big Hole Mountains-Centennial
Mountains - Island Park-
Including the cities of Wayan, Emigration Summit, Victor, Swan
Valley, Kilgore, and Island Park
1238 PM MDT Wed Apr 22 2026

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT
THURSDAY NIGHT ABOVE 6500 FEET ELEVATION...

* WHAT...Snow ABOVE 6500 FEET ELEVATION. Total snow accumulations
  between 5 and 9 inches at those levels. Winds gusting as high as
  45 mph.

* WHERE...Big Hole Mountains, Centennial Mountains - Island Park,
  Bear River Range, and Caribou Range.

* WHEN...Until midnight MDT Thursday Night.

* IMPACTS...Travel could be very difficult. The hazardous conditions
  could impact the Wednesday evening and Thursday morning 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.

&&

$$

IDZ069-071>074-231200-
/O.CON.KPIH.WW.Y.0010.000000T0000Z-260423T1200Z/
Lost River Range-Frank Church Wilderness-Sawtooth/Stanley Basin-
Sun Valley Region-Big Lost Highlands/Copper Basin-
Including the cities of Ketchum, Borah Peak, Stanley, Sun Valley,
Galena, Copper Basin, and Clayton
1238 PM MDT Wed Apr 22 2026

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT THURSDAY
ABOVE 6500 FEET ELEVATION...

* WHAT...Snow ABOVE 6500 FEET ELEVATION. Additional snow
  accumulations up to 6 inches. Winds gusting as high as 45 mph.

* WHERE...Big Lost Highlands/Copper Basin, Frank Church Wilderness,
  Lost River Range, Sawtooth/Stanley Basin, and Sun Valley Region.

* WHEN...Until 6 AM MDT Thursday.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact the Wednesday evening commute. 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.

GK