Severe Thunderstorms in the Northern Plains and Upper Midwest; Critical Fire Weather in the West; Dangerous Heat in the Central and Eastern U.S.

Severe thunderstorms are likely today across the northern Plains and into the upper Mississippi Valley. Gusty winds and dry conditions will result in widespread critical fire weather through Saturday across parts of the Four Corners region and the Great Basin. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Read More >

Hazardous Weather Conditions

Current conditions at

CW8386 Thermopolis (C8386)

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

NA

79°F

26°C

Humidity 29%
Wind Speed N 0 MPH
Barometer 29.45 in (997.29 mb)
Dewpoint 44°F (7°C)
Visibility NA
Heat Index79°F (26°C)
Last update 20 Jun 08:40 PM MDT
Extended Forecast for

East Thermopolis WY

  • Tonight

    Tonight: Mostly clear, with a low around 56. South southwest wind 3 to 8 mph.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 86. South wind 5 to 13 mph becoming east northeast in the morning.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers, mainly after 1am.  Mostly cloudy, with a low around 49. Breezy, with a west southwest wind 9 to 18 mph becoming north after midnight. Winds could gust as high as 28 mph.

    Low: 49 °F

    Chance
    Showers and
    Breezy

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 68. North wind 6 to 14 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%.

    High: 68 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41. Northwest wind 9 to 14 mph becoming light north  after midnight. Winds could gust as high as 21 mph.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 75. Calm wind becoming east northeast 5 to 7 mph in the afternoon.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 49. North northeast wind around 7 mph.

    Low: 49 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly before midnight.  Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 56. South southwest wind 3 to 8 mph.
Saturday
Sunny, with a high near 86. South wind 5 to 13 mph becoming east northeast in the morning.
Saturday Night
A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 49. Breezy, with a west southwest wind 9 to 18 mph becoming north after midnight. Winds could gust as high as 28 mph.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 68. North wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Sunday Night
Mostly clear, with a low around 41. Northwest wind 9 to 14 mph becoming light north after midnight. Winds could gust as high as 21 mph.
Monday
Sunny, with a high near 75. Calm wind becoming east northeast 5 to 7 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 49. North northeast wind around 7 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 79.
Tuesday Night
A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 51.
Wednesday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
East Thermopolis WY
 43.66°N 108.2°W (Elev. 4360 ft)
7:29 pm MDT Jun 20, 2025
8pm MDT Jun 20, 2025-6pm MDT Jun 27, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database