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

0°F

-18°C

Humidity 75%
Wind Speed N 0 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint -6°F (-21°C)
Visibility NA
Last update 21 Feb 06:10 AM MST
Extended Forecast for

Thermopolis WY

  • Today

    Today: Sunny, with a high near 37. Wind chill values as low as zero. Light south southwest wind.

    High: 37 °F

    Sunny

  • Tonight

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

    Low: 8 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 45. Calm wind becoming south southeast around 5 mph.

    High: 45 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 20. South southwest wind 3 to 6 mph.

    Low: 20 °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 29. South southwest wind around 8 mph.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 58. Breezy, with a south southwest wind 8 to 16 mph, with gusts as high as 24 mph.

    High: 58 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 30. Breezy.

    Low: 30 °F

    Chance
    Showers and
    Breezy

  • Wednesday

    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%.

    High: 55 °F

    Breezy.
    Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

Detailed Forecast

Today
Sunny, with a high near 37. Wind chill values as low as zero. Light south southwest wind.
Tonight
Partly cloudy, with a low around 8. Calm wind.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 45. Calm wind becoming south southeast around 5 mph.
Sunday Night
Partly cloudy, with a low around 20. South southwest wind 3 to 6 mph.
Monday
Partly sunny, with a high near 53. South wind around 6 mph.
Monday Night
Mostly cloudy, with a low around 29. South southwest wind around 8 mph.
Tuesday
Partly sunny, with a high near 58. Breezy, with a south southwest wind 8 to 16 mph, with gusts as high as 24 mph.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 30. 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 22. Blustery.
Thursday
Sunny, with a high near 56. Breezy.
Thursday Night
Mostly clear, with a low around 27. Breezy.
Friday
Sunny, with a high near 59. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Thermopolis WY
 43.64°N 108.2°W (Elev. 4400 ft)
5:17 am MST Feb 21, 2026
6am 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