Special Weather Statement
Issued by NWS Pocatello, ID

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WWUS85 KPIH 201951
SPSPIH

Special Weather Statement
National Weather Service Pocatello ID
151 PM MDT Wed Sep 20 2017

IDZ018-031-032-211100-
Sawtooth Mountains-Big and Little Wood River Region-
Lost River/Pahsimeroi-
Including the cities of Stanley, Clayton, Hailey, Ketchum,
Bellevue, Arco, Challis, and Mackay
151 PM MDT Wed Sep 20 2017

...Snow accumulations expected through Friday in the Central
Mountains...

An early fall storm system will impact the Central Idaho Mountains
today through Friday. A cold front during the day will allow much
cooler air to filter into the area, dropping Snow levels to near
valley floors. More significant snow accumulations should remain
above 6000 feet elevation. Snow totals through Thursday morning of
2 to 5 inches are forecast with upwards of 7 inches above 8500
feet. An additional 3 to 5 inches may fall in these areas Thursday
into Friday. Below 8500 feet, expect an additional 1 to 3 inches.

Roadways for the next couple days will be slick at times,
especially at pass level. Please be cautious while traveling.
Campers or outdoor enthusiasts should be prepared for below
normal temperatures and winter weather conditions.

$$

IDZ019-023-025-211100-
Upper Snake Highlands-Caribou Highlands-
Wasatch Mountains/Idaho Portion-
Including the cities of St. Anthony, Ashton, Island Park, Driggs,
Victor, Henry, Soda Springs, Downey, Lava Hot Springs,
and Montpelier
151 PM MDT Wed Sep 20 2017

...Snow levels to drop Thursday and bring snowfall to Southeast
Idaho through Friday...

An approaching cold front will bring significant precipitation to
the Caribou Highlands, Eastern Highlands and Upper Snake Highlands
later today and continue through Friday morning. As snow levels
drop beginning Thursday morning, expect developing snow showers
around 7500 ft, dropping to 6500 ft Friday morning. Accumulating
snow will be generally light, however, a few select passes may see
2 to 4 inches of snowfall including Fish Creek Summit and
Emigration Pass. Please be cautious while traveling. Campers or
outdoor enthusiasts should be prepared for below normal
temperatures and winter weather conditions.

$$


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