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

CW8386 Thermopolis (C8386)

Lat: 43.642°NLon: 108.22633°WElev: 4426.0ft.

NA

25°C

77°F

Humidity 33%
Wind Speed N 0 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 8°C (46°F)
Visibility NA
Heat Index26°C (78°F)
Last update 13 Jul 08:56 AM MDT
Extended Forecast for

Thermopolis WY

  • Today

    Today: Sunny and hot, with a high near 36. North northwest wind 5 to 13 km/h becoming east southeast in the afternoon.

    High: 36 °C

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 17. Northeast wind 8 to 14 km/h becoming west southwest after midnight.

    Low: 17 °C

    Mostly Clear

  • Monday

    Monday: A 10 percent chance of showers and thunderstorms after noon. Sunny and hot, with a high near 36. Light and variable wind becoming north 9 to 14 km/h in the afternoon.

    High: 36 °C

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 14. Northwest wind 13 to 16 km/h. Chance of precipitation is 20%.

    Low: 14 °C

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 25. Breezy, with a north wind 14 to 24 km/h, with gusts as high as 37 km/h. Chance of precipitation is 60%.

    High: 25 °C

    Mostly Sunny
    then Showers
    Likely and
    Breezy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 11. Breezy, with a north wind 19 to 24 km/h decreasing to 11 to 16 km/h after midnight. Winds could gust as high as 37 km/h.

    Low: 11 °C

    Chance
    T-storms and
    Breezy then
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 26. North wind 11 to 21 km/h, with gusts as high as 32 km/h. Chance of precipitation is 30%.

    High: 26 °C

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 11.

    Low: 11 °C

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 31.

    High: 31 °C

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny and hot, with a high near 36. North northwest wind 5 to 13 km/h becoming east southeast in the afternoon.
Tonight
Mostly clear, with a low around 17. Northeast wind 8 to 14 km/h becoming west southwest after midnight.
Monday
A 10 percent chance of showers and thunderstorms after noon. Sunny and hot, with a high near 36. Light and variable wind becoming north 9 to 14 km/h in the afternoon.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 14. Northwest wind 13 to 16 km/h. Chance of precipitation is 20%.
Tuesday
Showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 25. Breezy, with a north wind 14 to 24 km/h, with gusts as high as 37 km/h. Chance of precipitation is 60%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 11. Breezy, with a north wind 19 to 24 km/h decreasing to 11 to 16 km/h after midnight. Winds could gust as high as 37 km/h.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 26. North wind 11 to 21 km/h, with gusts as high as 32 km/h. Chance of precipitation is 30%.
Wednesday Night
A 10 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 11.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 31.
Thursday Night
Mostly clear, with a low around 14.
Friday
A slight chance of showers and thunderstorms. Sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 15.
Saturday
A slight chance of showers and thunderstorms. Sunny, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
Thermopolis WY
 43.64°N 108.23°W (Elev. 4436 m)
Last Update:
7:43 am MDT Jul 13, 2025
Forecast Valid:
9am MDT Jul 13, 2025-6pm MDT Jul 19, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation