Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Current conditions at

CW8386 Thermopolis (C8386)

Lat: 43.64283°NLon: 108.227°WElev: 4419.52ft.

NA

6°F

-14°C

Humidity 74%
Wind Speed N 0 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint -1°F (-18°C)
Visibility NA
Last update 21 Feb 12:25 AM MST
Extended Forecast for

Thermopolis WY

  • Overnight

    Overnight: Mostly clear, with a low around 3. South wind around 5 mph.

    Low: 3 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 37. Wind chill values as low as zero. Light and variable wind.

    High: 37 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 8. Calm wind.

    Low: 8 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 45. Calm wind becoming south southeast around 5 mph.

    High: 45 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 18. South southwest wind 3 to 5 mph.

    Low: 18 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 53. South wind around 6 mph.

    High: 53 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27. South southwest wind around 7 mph.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 29. Breezy.

    Low: 29 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Overnight
Mostly clear, with a low around 3. South wind around 5 mph.
Saturday
Sunny, with a high near 37. Wind chill values as low as zero. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 8. Calm wind.
Sunday
Sunny, with a high near 45. Calm wind becoming south southeast around 5 mph.
Sunday Night
Partly cloudy, with a low around 18. South southwest wind 3 to 5 mph.
Monday
Partly sunny, with a high near 53. South wind around 6 mph.
Monday Night
Mostly cloudy, with a low around 27. South southwest wind around 7 mph.
Tuesday
Partly sunny, with a high near 59.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 29. Breezy.
Wednesday
A chance of rain and snow showers before 11am, then a slight chance of snow showers. Mostly sunny, with a high near 55. Breezy. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 21. Blustery.
Thursday
Sunny, with a high near 56. Breezy.
Thursday Night
Mostly clear, with a low around 25. Breezy.
Friday
Sunny, with a high near 59. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Thermopolis WY
 43.66°N 108.2°W (Elev. 4360 ft)
12:31 am MST Feb 21, 2026
12am MST Feb 21, 2026-6pm MST Feb 27, 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