Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

CW8386 Thermopolis (C8386)

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

NA

52°F

11°C

Humidity 43%
Wind Speed N 9 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 30°F (-1°C)
Visibility NA
Last update 19 May 11:55 PM MDT
Extended Forecast for

East Thermopolis WY

Freeze Warning until May 20, 08:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning until May 20, 08:00am

    NOW until 8:00am Wed

    Freeze Warning

  • Overnight

    Low: 32 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 68. Light south southwest wind becoming southwest 5 to 9 mph in the afternoon.

    High: 68 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 5am.  Mostly cloudy, with a low around 38. West wind 5 to 9 mph becoming calm  after midnight.

    Low: 38 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after noon.  High near 52. Breezy, with a light north wind becoming north northwest 11 to 16 mph in the morning. Winds could gust as high as 25 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 52 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before midnight.  Mostly cloudy, with a low around 34. North northwest wind 9 to 14 mph becoming light and variable  after midnight. Winds could gust as high as 22 mph.

    Low: 34 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 67. Calm wind becoming east northeast around 6 mph in the afternoon.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39. East northeast wind around 6 mph becoming light and variable  in the evening.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 32. South wind 6 to 10 mph.
Wednesday
Increasing clouds, with a high near 68. Light south southwest wind becoming southwest 5 to 9 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers after 5am. Mostly cloudy, with a low around 38. West wind 5 to 9 mph becoming calm after midnight.
Thursday
Showers, with thunderstorms also possible after noon. High near 52. Breezy, with a light north wind becoming north northwest 11 to 16 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 34. North northwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Friday
Sunny, with a high near 67. Calm wind becoming east northeast around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 39. East northeast wind around 6 mph becoming light and variable in the evening.
Saturday
Sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 49.
Memorial Day
Sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 82. Breezy.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
East Thermopolis WY
 43.66°N 108.2°W (Elev. 4360 ft)
11:47 pm MDT May 19, 2026
12am MDT May 20, 2026-6pm MDT May 26, 2026
 
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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