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

Heavy Rain in the Southern U.S.; Active Weather Continues in Alaska

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains today, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. Another Bering system will impact the Alaskan West Coast and Central Interior through the weekend bringing moderate to heavy snow, high winds, and/or some blizzard conditions. Read More >

Current conditions at

CW8386 Thermopolis (C8386)

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

NA

27°F

-3°C

Humidity 65%
Wind Speed N 0 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 17°F (-8°C)
Visibility NA
Last update 13 Feb 10:26 PM MST
Extended Forecast for

Thermopolis WY

  • Tonight

    Tonight: Mostly clear, with a low around 21. Calm wind becoming north around 5 mph.

    Low: 21 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 53. Calm wind becoming east southeast 5 to 7 mph in the afternoon.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 26. South wind 5 to 11 mph.

    Low: 26 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 58. South wind 8 to 13 mph.

    High: 58 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 26. South wind 6 to 8 mph.

    Low: 26 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Sunny, with a high near 59. Breezy, with a south wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 23 mph.

    High: 59 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: A 30 percent chance of showers after 11pm. Partly cloudy, with a low around 32. South wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers. Mostly sunny, with a high near 55. Breezy.

    High: 55 °F

    Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 23. Breezy.

    Low: 23 °F

    Slight Chance
    Snow Showers
    and Breezy
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 21. Calm wind becoming north around 5 mph.
Saturday
Sunny, with a high near 53. Calm wind becoming east southeast 5 to 7 mph in the afternoon.
Saturday Night
Increasing clouds, with a low around 26. South wind 5 to 11 mph.
Sunday
Partly sunny, with a high near 58. South wind 8 to 13 mph.
Sunday Night
Mostly clear, with a low around 26. South wind 6 to 8 mph.
Washington's Birthday
Sunny, with a high near 59. Breezy, with a south wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 23 mph.
Monday Night
A 30 percent chance of showers after 11pm. Partly cloudy, with a low around 32. South wind 10 to 13 mph, with gusts as high as 20 mph.
Tuesday
A 40 percent chance of showers. Mostly sunny, with a high near 55. Breezy.
Tuesday Night
A 20 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 23. Breezy.
Wednesday
A 30 percent chance of snow showers, mainly after 11am. Partly sunny, with a high near 48.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 19.
Thursday
A chance of snow showers. Partly sunny, with a high near 43.
Thursday Night
Partly cloudy, with a low around 15.
Friday
Partly sunny, with a high near 44.
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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:
9:02 pm MST Feb 13, 2026
Forecast Valid:
10pm MST Feb 13, 2026-6pm MST Feb 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation