Significant Snowfall for Western Wyoming

Snow at Sinks Canyon on December 2, 2009Forecasters at the National Weather Service in Riverton, Wyoming have determined that a winter storm will impact Western Wyoming Friday and Friday Evening.

This storm will impact western Wyoming and bring heavy snow. Specifically, snow amounts of 10 to 18 inches are expected by Saturday morning across the Teton and Gros Ventre mountains and the southwestern corner of Yellowstone National Park. Lesser amounts of 8 to 14 inches will occur across the remaining western mountains. The valleys (including Jackson and Star Valley) will see snowfall of 5 to 7 inches.



Check Statements Regarding this Storm 


Now is the time for you to prepare for this event.

Some reminders about winter weather preparedness:

  • Stay indoors if possible.
  • If you must go outside, dress appropriately:
    • Multiple layers of loose fitting clothing to promote insulation.
    • Heavy woven materials are ideal.
    • Wear a hat – 50% of your body heat escapes through you head.
    • Wear a scarf or something to cover your mouth and nose.
    • Cover as much of your skin as possible.
    • Mittens are better than gloves.
  • Remember, rarely is a trip a “MUST” trip.  Plan accordingly to avoid hazardous winter travel.
  • If travelling is absolutely unavoidable, please prepare a winter safety kit for your car. Details regarding what should be included in this kit can be found in this document.  Never leave your vehicle when stranded. It is your only sure source of protection from the elements.
  • Additional information about travelling in the winter across Wyoming can be found on our Winter Preparedness website.

Please watch for issuances of additional winter weather-related products. This may include watches or warnings for Blizzards, Winter Storms, or High Wind. Additionally, Winter Weather Advisories may be issued for heavy snow or blowing snow.

A map of current road conditions for roadways across Wyoming can be seen at the Wyoming Department of Transportation’s website. You can also dial 5-1-1 from any Wyoming-based telephone to receive current road closures.


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