Winter Storm Warning Issued For WY & MT | Up To 20″ of Snow Is Forecasted Tonight – Saturday

Chris Wallner | | WeatherWeather
PINK= Winter Storm Warning. BLUE= Winter Storm Watch. PURPLE= Winter Weather Advisory. Image: NOAA

The National Weather Service has issued a Winter Storm Warning for Montana and Idaho. This is in effect from Tonight – Saturday.

This is the FIRST Winter Storm Warning in the Continental USA this season!

A strong fall storm is expected to hit the west late this week into the weekend. Cold temperatures are expected to arrive along with it, which will turn rain into snow.

Up To 20″ of Snow Is Forecasted To Fall. 

NOAA Has Issued Winter Storm Warnings For:

  • Montana
  • Wyoming

NOAA Has Issued Winter Storm Watches For:

  • Idaho
  • Montana
  • Wyoming

NOAA Has Issued Winter Weather Advisories For:

  • Idaho
  • Montana
  • Wyoming
7 day snowfall totals. Image: Tropical Tidbits
7 day precipitation totals. Image: NOAA

Snow levels will start out around 7,000ft on Thursday Night and drop below 6,000ft by the time Friday Morning rolls around. 

Additional Storm Information:

Cooler temps are moving in. Image: NOAA Boise, ID today
Winter Storm Watch in Eastern Idaho. Image: NOAA

Idaho: Up To 10″ of Snow Tonight – Saturday Morning

* Accumulations: Snow accumulation of 1 to 3 inches, with up to 10
inches on mountain peaks above 7000 feet.
- NOAA Missoula, MT Today
Winter Weather Alerts In Effect. Image: NOAA Missoula, MT
Snow totals through Friday afternoon. Image: NOAA

Montana: 14+” of Snow Tonight – Saturday Morning

* SNOW ACCUMULATION...8 to 14 inches above 7,000 feet, with
 locally higher amounts possible. Greatest totals will be on
 north facing slopes.
- NOAA Billings, MT Today
Cool Temperatures In Wyoming. Image: NOAA Riverton, WY
Snow Totals. Image: NOAA Riverton, WY

Wyoming: Up To 20″ of Snow Tonight – Saturday Morning

* SNOW AMOUNTS...4 to 8 inches above 7500 feet, 8 to 14 inches
 above 9000 feet.
- NOAA Riverton, WY Today
Areas above 7000 feet could see accumulations of 6 to 12+ inches. Image: NOAA Great Falls, MT
See Ya Later Summer. Image: NOAA Missoula, MT
6-10 day temperature outlook. Image: NOAA
6-10 day precipitation outlook. Image: NOAA

WY/MT Winter Storm Warning:

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
404 AM MDT Thu Sep 14 2017

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM
MDT SATURDAY...

The National Weather Service in Billings has issued a Winter
Storm Warning for Heavy Snow...which is in effect from 6 PM this
evening to 6 PM MDT Saturday.

* IMPACTS...Travel in the high country will become difficult. Tree
 and powerline damage is possible due to heavy wet snow. US
 Highway 212 and the Beartooth Pass will likely be impacted by
 heavy snow and very low visibility. Heavy, wet snow could pose a
 threat to those with outdoor interests.

* TIMING...This evening through Saturday afternoon.

* SNOW ACCUMULATION...8 to 14 inches above 7,000 feet, with
 locally higher amounts possible. Greatest totals will be on
 north facing slopes.

* PERIOD OF HEAVIEST SNOW...Late tonight through Friday.
The Bighorn Mountains of WY should be looking like this tomorrow. Stock Image

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