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Damaging winds and snow to impact Wyoming travel in advance of Thanksgiving

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CASPER, Wyo. — The Cowboy State will be impacted by a variety of weather hazards as Thanksgiving approaches, according to the National Weather Service (NWS) in Riverton. Damaging winds, elevated fire weather conditions and snow are all part of the forecast for the region over the next several days.

Gusting winds, low relative humidity and “unseasonably warm temperatures” are expected to create elevated fire weather conditions in areas of central Wyoming on Monday afternoon, according to the NWS in Riverton. Gusts at 50-55 mph will be possible on the Chief Joseph Highway near Cody and along South Pass on Monday afternoon.

A “High Wind Watch” will take effect late Monday night with gusts up to 60 mph possible through Tuesday afternoon in the following areas:

  • Natrona County (lower elevations)
  • East Platte County (including Interstate 25 between Chugwater and Glendo)
  • Absaroka Mountains
  • Wind River Mountains East
  • Green Mountains
  • Rattlesnake Range

“Damaging winds could blow down trees and power lines,” the NWS in Riverton states. “Widespread power outages are possible. Travel could be difficult, especially for high-profile vehicles.”

A cold front is expected to move in Tuesday night. In addition to colder temperatures, accumulating snow is expected across western mountains through Wednesday morning, according to the NWS in Riverton. 3-5 inches of snow is expected in western mountains with 2-4 inches in the Bighorn mountains.

The Casper area could also see some snow on Wednesday morning with the NWS in Riverton forecasting a 40% chance of precipitation. Less than a half-inch of snow is possible. There is a 30% chance of snow on Casper Mountain on Wednesday.

Thanksgiving Day is expected to be mostly sunny in Casper with a high near 44 degrees, according to the NWS in Riverton. Friday is expected to climb to a high near 52 degrees. Highs in the 50s are also expected over the weekend.

Casper Mountain could potentially see some snow on Friday night, with the NWS in Riverton forecasting a 20% chance of precipitation.

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