Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

CW8386 Thermopolis (C8386)

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

NA

83°F

28°C

Humidity 32%
Wind Speed N 0 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 50°F (10°C)
Visibility NA
Heat Index81°F (27°C)
Last update 27 Aug 06:55 PM MDT
Extended Forecast for

Thermopolis WY

  • Tonight

    Tonight: Isolated showers and thunderstorms before 9pm.  Mostly cloudy, with a low around 63. Southwest wind around 6 mph becoming light and variable  after midnight.  Chance of precipitation is 20%.

    Low: 63 °F

    Isolated
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: Scattered showers and thunderstorms, mainly after 4pm.  Partly sunny, with a high near 89. Light and variable wind becoming southwest 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 30%.

    High: 89 °F

    Partly Sunny
    then
    Scattered
    Showers

  • Friday Night

    Friday Night: Scattered showers and thunderstorms before 9pm, then isolated showers between 9pm and midnight.  Mostly cloudy, with a low around 61. West southwest wind 5 to 9 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 61 °F

    Scattered
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Scattered showers and thunderstorms after noon.  Cloudy, then gradually becoming mostly sunny, with a high near 85. Light and variable wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 22 mph.  Chance of precipitation is 30%.

    High: 85 °F

    Mostly Cloudy
    then
    Scattered
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 58. West wind 6 to 11 mph becoming light and variable.

    Low: 58 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 84. Breezy, with a south wind 7 to 12 mph becoming west southwest 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 84 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54. Southwest wind 5 to 14 mph, with gusts as high as 21 mph.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
Isolated showers and thunderstorms before 9pm. Mostly cloudy, with a low around 63. Southwest wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Friday
Scattered showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 89. Light and variable wind becoming southwest 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Friday Night
Scattered showers and thunderstorms before 9pm, then isolated showers between 9pm and midnight. Mostly cloudy, with a low around 61. West southwest wind 5 to 9 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
Scattered showers and thunderstorms after noon. Cloudy, then gradually becoming mostly sunny, with a high near 85. Light and variable wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 58. West wind 6 to 11 mph becoming light and variable.
Sunday
Mostly sunny, with a high near 84. Breezy, with a south wind 7 to 12 mph becoming west southwest 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
Mostly clear, with a low around 54. Southwest wind 5 to 14 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 85. Breezy.
Wednesday Night
Partly cloudy, with a low around 57. Breezy.
Thursday
Mostly sunny, with a high near 84. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Thermopolis WY
 43.64°N 108.2°W (Elev. 4400 ft)
6:01 pm MDT Aug 27, 2026
7pm MDT Aug 27, 2026-6pm MDT Sep 3, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database