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

Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Northeast; Heavy Rain Returns to California

An Alberta clipper will bring lake effect snow downwind of the Great Lakes, with the highest snow totals downwind of Lakes Erie and Ontario. Snow squalls may impact New Year's Eve travel during the evening and overnight hours across parts of the Great Lakes, Ohio Valley, and Northeast. Heavy rain will bring a flash flooding threat for southern California on New Year's Eve into New Year's Day. Read More >

Current conditions at

CW8386 Thermopolis (C8386)

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

NA

26°F

-3°C

Humidity 67%
Wind Speed N 0 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 16°F (-9°C)
Visibility NA
Last update 30 Dec 09:40 PM MST
Extended Forecast for

Thermopolis WY

  • Tonight

    Tonight: Mostly clear, with a low around 20. South southeast wind 3 to 5 mph.

    Low: 20 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47. South wind around 5 mph.

    High: 47 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25. South wind 3 to 6 mph.

    Low: 25 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Mostly cloudy, with a high near 48. South wind 3 to 5 mph.

    High: 48 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 28. Light south wind.

    Low: 28 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 51. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 51 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28. South wind around 5 mph.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 20. South southeast wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 47. South wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 25. South wind 3 to 6 mph.
New Year's Day
Mostly cloudy, with a high near 48. South wind 3 to 5 mph.
Thursday Night
Mostly cloudy, with a low around 28. Light south wind.
Friday
Mostly sunny, with a high near 51. Calm wind becoming south southeast around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 28. South wind around 5 mph.
Saturday
Mostly sunny, with a high near 54.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 47.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Mostly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Thermopolis WY
 43.64°N 108.2°W (Elev. 4400 ft)
Last Update:
8:01 pm MST Dec 30, 2025
Forecast Valid:
9pm MST Dec 30, 2025-6pm MST Jan 6, 2026
 
Forecast Discussion
 
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Additional Resources

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