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

CW8386 Thermopolis (C8386)

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

NA

30°F

-1°C

Humidity 71%
Wind Speed N 0 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 22°F (-6°C)
Visibility NA
Last update 10 Apr 06:26 AM MDT
Extended Forecast for

Thermopolis WY

  • Today

    Today: Mostly sunny, with a high near 74. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 74 °F

    Mostly Sunny

  • Tonight

    Tonight: Isolated showers between 7pm and 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 42. South wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 42 °F

    Isolated
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers after noon. Mostly sunny, with a high near 75. Breezy, with a south southwest wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 75 °F

    Mostly Sunny
    then Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: A 50 percent chance of showers before midnight. Partly cloudy, with a low around 40. Breezy, with a south southwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph.

    Low: 40 °F

    Chance
    Showers and
    Breezy then
    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after noon. Sunny, with a high near 72. Breezy, with a south southwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 72 °F

    Sunny then
    Slight Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 38. Breezy, with a south southwest wind 7 to 17 mph, with gusts as high as 24 mph.

    Low: 38 °F

    Chance
    Showers and
    Breezy then
    Mostly Cloudy

  • Monday

    Monday: A 40 percent chance of showers after noon. Mostly sunny, with a high near 65. Breezy, with a south southwest wind 7 to 16 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 65 °F

    Mostly Sunny
    then Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 64. Chance of precipitation is 40%.

    High: 64 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 74. Light and variable wind becoming south 5 to 10 mph in the morning.
Tonight
Isolated showers between 7pm and 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 42. South wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday
A 40 percent chance of showers after noon. Mostly sunny, with a high near 75. Breezy, with a south southwest wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.
Saturday Night
A 50 percent chance of showers before midnight. Partly cloudy, with a low around 40. Breezy, with a south southwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph.
Sunday
A 20 percent chance of showers after noon. Sunny, with a high near 72. Breezy, with a south southwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.
Sunday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 38. Breezy, with a south southwest wind 7 to 17 mph, with gusts as high as 24 mph.
Monday
A 40 percent chance of showers after noon. Mostly sunny, with a high near 65. Breezy, with a south southwest wind 7 to 16 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 36.
Tuesday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 64. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 66. Breezy.
Wednesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 35. Breezy.
Thursday
A chance of rain and snow showers. Partly sunny, with a high near 59. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Thermopolis WY
 43.64°N 108.2°W (Elev. 4400 ft)
Last Update:
6:02 am MDT Apr 10, 2026
Forecast Valid:
6am MDT Apr 10, 2026-6pm MDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation