National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Snow in the Northwest; Wintry Mix from the Great Lakes to Northeast

Two cold fronts will pass through the Northwest U.S. this week with the main impact being heavy mountain snow across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain to the Upper Midwest and Great Lakes today then the Northeast U.S. tonight into Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

CW8386 Thermopolis (C8386)

Lat: 43.642°NLon: 108.22633°WElev: 4426.0ft.

NA

49°F

9°C

Humidity 35%
Wind Speed N 25 MPH
Barometer 29.71 in (1006.1 mb)
Dewpoint 22°F (-6°C)
Visibility NA
Wind Chill41°F (5°C)
Last update 06 Jan 05:55 PM MST
Extended Forecast for

Thermopolis WY

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. Breezy, with a south southwest wind 11 to 17 mph, with gusts as high as 24 mph.

    Low: 33 °F

    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 51. South southwest wind 9 to 13 mph.

    High: 51 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 20. West southwest wind 5 to 8 mph becoming calm after midnight.

    Low: 20 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow showers after 11am. Partly sunny, with a high near 39. Calm wind becoming north 5 to 8 mph in the afternoon.

    High: 39 °F

    Slight Chance
    Snow Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of snow showers, mainly before 11pm. Partly cloudy, with a low around 12. Northwest wind 5 to 9 mph.

    Low: 12 °F

    Chance Snow
    Showers

  • Friday

    Friday: Sunny, with a high near 34. West wind 5 to 8 mph becoming east in the afternoon.

    High: 34 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 12. Southeast wind around 5 mph becoming light and variable in the evening.

    Low: 12 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 16.

    Low: 16 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 33. Breezy, with a south southwest wind 11 to 17 mph, with gusts as high as 24 mph.
Wednesday
Mostly cloudy, with a high near 51. South southwest wind 9 to 13 mph.
Wednesday Night
Partly cloudy, with a low around 20. West southwest wind 5 to 8 mph becoming calm after midnight.
Thursday
A 20 percent chance of snow showers after 11am. Partly sunny, with a high near 39. Calm wind becoming north 5 to 8 mph in the afternoon.
Thursday Night
A 30 percent chance of snow showers, mainly before 11pm. Partly cloudy, with a low around 12. Northwest wind 5 to 9 mph.
Friday
Sunny, with a high near 34. West wind 5 to 8 mph becoming east in the afternoon.
Friday Night
Partly cloudy, with a low around 12. Southeast wind around 5 mph becoming light and variable in the evening.
Saturday
Sunny, with a high near 39.
Saturday Night
Mostly clear, with a low around 16.
Sunday
Mostly sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 20.
Monday
Mostly sunny, with a high near 45.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Mostly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Thermopolis WY
 43.66°N 108.2°W (Elev. 4360 ft)
Last Update:
5:18 pm MST Jan 6, 2026
Forecast Valid:
6pm MST Jan 6, 2026-6pm MST Jan 13, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation