Dangerous Heat in the East; Critical Fire Weather in the Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue today and likely Tuesday across portions of the Four Corners and northern High Plains. Read More >

Current conditions at

CW8386 Thermopolis (C8386)

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

NA

70°F

21°C

Humidity 29%
Wind Speed N 26 MPH
Barometer 29.74 in (1007.11 mb)
Dewpoint 36°F (2°C)
Visibility NA
Last update 29 Jun 02:11 PM MDT
Extended Forecast for

Thermopolis WY

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 72. Windy, with a west wind 18 to 25 mph, with gusts as high as 37 mph.

    High: 72 °F

    Partly Sunny
    and Windy

  • Tonight

    Tonight: Partly cloudy, with a low around 48. Breezy, with a west wind 19 to 24 mph becoming south southwest 6 to 11 mph after midnight. Winds could gust as high as 33 mph.

    Low: 48 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Light and variable wind becoming southwest 9 to 14 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers between 8pm and 9pm.  Partly cloudy, with a low around 52. Southwest wind 5 to 10 mph becoming light and variable  after midnight.  Chance of precipitation is 20%.

    Low: 52 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 84. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers and thunderstorms before 9pm.  Partly cloudy, with a low around 53. West northwest wind 5 to 8 mph becoming calm  after midnight.

    Low: 53 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 87. Light south southwest wind becoming west southwest 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: A 10 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Partly sunny, with a high near 72. Windy, with a west wind 18 to 25 mph, with gusts as high as 37 mph.
Tonight
Partly cloudy, with a low around 48. Breezy, with a west wind 19 to 24 mph becoming south southwest 6 to 11 mph after midnight. Winds could gust as high as 33 mph.
Tuesday
Sunny, with a high near 82. Light and variable wind becoming southwest 9 to 14 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
A slight chance of showers between 8pm and 9pm. Partly cloudy, with a low around 52. Southwest wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 84. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Wednesday Night
A 10 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 53. West northwest wind 5 to 8 mph becoming calm after midnight.
Thursday
Sunny, with a high near 87. Light south southwest wind becoming west southwest 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 55.
Friday
A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88.
Friday Night
A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 53.
Independence Day
Sunny, with a high near 85.
Saturday Night
Clear, with a low around 55.
Sunday
Sunny, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
Thermopolis WY
 43.66°N 108.23°W (Elev. 4787 ft)
12:32 pm MDT Jun 29, 2026
2pm MDT Jun 29, 2026-6pm MDT Jul 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database