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Mountain snow expected Wednesday night through Friday

Windy wet and cold weather

Idaho Falls (KIFI/KIDK) - A cold Pacific storm system is moving in Wednesday evening, dropping temperatures and delivering rain and snow showers to the region.

Is this a MAJOR STORM? No, this is actually quite typical for Fall weather in Idaho and Wyoming.  Snow levels will be dropping to around 6,000 feet, mainly late Thursday into early Friday. We might see a rain snow mix in the Snake River Plain overnight into Friday morning, but most of the heavy precipitation will be focused on the mountains east of the Snake River Plain.

The National Weather Service has issued Winter Weather Advisories and Winter Storm Warnings for the higher elevations. 

"Teton and Gros Ventre Mountains: A New Storm System Will Take Aim On Western Wyoming tonight Into at least Friday.

The large, cold, and wet pacific Pacific storm will move quickly
into much of Western Wyoming this evening and continue to affect
western and northwestern Wyoming through Friday. Isolated snow
showers this afternoon will increase to to numerous across the
western and northwestern mountains this evening. Heavier snowfall is
across the Teton, Gros Ventre, and Wind River Mountains above 8500
feet where from 8 to 20 inches of snow can be expected through noon
Friday.

...WINTER STORM WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO
NOON MDT FRIDAY...

* TIMING...A few isolated snow showers this afternoon will give way
  to moderate to heavy snow tonight over the Teton and Gros Ventre
  Mountains...continuing through Friday morning. Total snowfall will
  range from 8 to 18 inches above 8500 feet with snow accumulations
  of 3 to 8 inches from 7500 to 8500 feet.

* SNOWFALL...8 to 18 inches above 8500 feet with 3 to 8 inches down
  to 7500 feet.

* MAIN IMPACT...Heavy snow will make travel difficult at times
  including over Teton Pass.

* OTHER IMPACTS...Campers and hunters should be prepared for cold
  snowy and windy conditions.

Yellowstone National Park-Absaroka Mountains-
Including the cities of Lake, Mammoth, and Old Faithful

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO NOON MDT FRIDAY...

* TIMING...A few isolated snow showers this afternoon will give way
  to moderate snow tonight over Yellowstone and the Absaroka
  mountains... continuing through Friday morning. Total snowfall
  will range from 6 to 12 inches above 8500 feet with snow
  accumulations of 3 to 6 inches from 7500 to 8500 feet.

* SNOWFALL...6 to 12 inches above 8500 feet with 3 to 6 inches down
  to 7500 feet.

* MAIN IMPACT...Moderate to occasionally heavy snow will make travel
  difficult at times."


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