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

36°F

2°C

Humidity 61%
Wind Speed N 3 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 24°F (-4°C)
Visibility NA
Last update 09 Apr 05:10 AM MDT
Extended Forecast for

Thermopolis WY

  • Today

    Today: Sunny, with a high near 64. Light and variable wind becoming north 6 to 11 mph in the morning.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 34. North northeast wind 5 to 10 mph becoming light and variable after midnight.

    Low: 34 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 74. Calm wind becoming south 5 to 9 mph in the morning.

    High: 74 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43. South wind 5 to 8 mph.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after noon. Mostly sunny, with a high near 76. Breezy, with a south southwest wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 76 °F

    Mostly Sunny
    then Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: A 40 percent chance of showers before midnight. Partly cloudy, with a low around 41. Breezy, with a south southwest wind 16 to 21 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.

    Low: 41 °F

    Chance
    Showers and
    Breezy then
    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 71. Breezy, with a south southwest wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 71 °F

    Sunny then
    Slight Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 38. Breezy.

    Low: 38 °F

    Chance
    Showers and
    Breezy

  • Monday

    Monday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 59. Chance of precipitation is 70%.

    High: 59 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 64. Light and variable wind becoming north 6 to 11 mph in the morning.
Tonight
Partly cloudy, with a low around 34. North northeast wind 5 to 10 mph becoming light and variable after midnight.
Friday
Mostly sunny, with a high near 74. Calm wind becoming south 5 to 9 mph in the morning.
Friday Night
Partly cloudy, with a low around 43. South wind 5 to 8 mph.
Saturday
A 30 percent chance of showers after noon. Mostly sunny, with a high near 76. Breezy, with a south southwest wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph.
Saturday Night
A 40 percent chance of showers before midnight. Partly cloudy, with a low around 41. Breezy, with a south southwest wind 16 to 21 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.
Sunday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 71. Breezy, with a south southwest wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 38. Breezy.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 59. Chance of precipitation is 70%.
Monday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 34. Breezy. Chance of precipitation is 60%.
Tuesday
A chance of showers. Partly sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
Sunny, with a high near 67.
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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:
4:02 am MDT Apr 9, 2026
Forecast Valid:
5am MDT Apr 9, 2026-6pm MDT Apr 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation