Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

CW8386 Thermopolis (C8386)

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

NA

17°F

-8°C

Humidity 71%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 9°F (-13°C)
Visibility NA
Last update 28 Dec 04:05 AM MST
Extended Forecast for

Thermopolis WY

  • Today

    Today: Sunny, with a high near 27. Wind chill values as low as zero. Light and variable wind.

    High: 27 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 8. Light south southwest wind.

    Low: 8 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 36. South wind around 5 mph becoming calm  in the afternoon.

    High: 36 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 16. Light south wind.

    Low: 16 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 41. Calm wind.

    High: 41 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 18. Light south wind.

    Low: 18 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 46. Light south wind.

    High: 46 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 27. Wind chill values as low as zero. Light and variable wind.
Tonight
Mostly clear, with a low around 8. Light south southwest wind.
Monday
Sunny, with a high near 36. South wind around 5 mph becoming calm in the afternoon.
Monday Night
Mostly clear, with a low around 16. Light south wind.
Tuesday
Mostly sunny, with a high near 41. Calm wind.
Tuesday Night
Mostly clear, with a low around 18. Light south wind.
Wednesday
Sunny, with a high near 46. Light south wind.
Wednesday Night
Partly cloudy, with a low around 22.
New Year's Day
Partly sunny, with a high near 50.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 51.
Friday Night
Mostly cloudy, with a low around 24.
Saturday
Mostly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
Thermopolis WY
 43.64°N 108.2°W (Elev. 4400 ft)
3:47 am MST Dec 28, 2025
4am MST Dec 28, 2025-6pm MST Jan 3, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database