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

Hazardous Weather Conditions

Current conditions at

CW8386 Thermopolis (C8386)

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

NA

38°F

3°C

Humidity 37%
Wind Speed N 5 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 14°F (-10°C)
Visibility NA
Wind Chill34°F (1°C)
Last update 18 Apr 10:10 PM MDT
Extended Forecast for

Thermopolis WY

  • Tonight

    Tonight: Mostly clear, with a low around 30. Light and variable wind becoming south around 5 mph.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 69. Calm wind becoming east 5 to 8 mph in the afternoon.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36. East wind 5 to 7 mph becoming light and variable.

    Low: 36 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 80. Light and variable wind becoming west northwest 6 to 11 mph in the afternoon.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. North northwest wind 5 to 10 mph becoming light and variable.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. South wind 5 to 14 mph, with gusts as high as 22 mph.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49. South wind 11 to 13 mph.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after noon. Sunny, with a high near 75. Windy.

    High: 75 °F

    Sunny and
    Breezy then
    Slight Chance
    Showers and
    Windy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 38. Windy.

    Low: 38 °F

    Chance
    Showers and
    Windy

Detailed Forecast

Tonight
Mostly clear, with a low around 30. Light and variable wind becoming south around 5 mph.
Sunday
Sunny, with a high near 69. Calm wind becoming east 5 to 8 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 36. East wind 5 to 7 mph becoming light and variable.
Monday
Sunny, with a high near 80. Light and variable wind becoming west northwest 6 to 11 mph in the afternoon.
Monday Night
Mostly clear, with a low around 42. North northwest wind 5 to 10 mph becoming light and variable.
Tuesday
Mostly sunny, with a high near 83. South wind 5 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
Partly cloudy, with a low around 49. South wind 11 to 13 mph.
Wednesday
A 20 percent chance of showers after noon. Sunny, with a high near 75. Windy.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 38. Windy.
Thursday
Rain showers likely before 9am, then rain and snow showers likely. Mostly cloudy, with a high near 51. Windy. Chance of precipitation is 70%.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 26. Windy.
Friday
A chance of snow showers. Partly sunny, with a high near 51. Breezy.
Friday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 26.
Saturday
A slight chance of rain and snow showers. Mostly sunny, with a high near 54.
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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:
8:47 pm MDT Apr 18, 2026
Forecast Valid:
10pm MDT Apr 18, 2026-6pm MDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation