Storms and Heavy Rainfall in the Plains and Southern Appalachians; Hazardous Heat in the South and Southeast

Severe thunderstorms with heavy rainfall will be possible across the southern Appalachians through this evening. Thunderstorms are also expected from the northern/central Plains into portions of the Midwest through Tuesday, and severe storms may produce large hail and damaging wind gusts. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

CW8386 Thermopolis (C8386)

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

NA

75°F

24°C

Humidity 42%
Wind Speed N 2 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 50°F (10°C)
Visibility NA
Last update 17 Aug 03:40 PM MDT
Extended Forecast for

Thermopolis WY

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms.  Partly sunny, with a high near 86. Northwest wind 7 to 11 mph becoming north northeast.  Chance of precipitation is 50%.

    High: 86 °F

    Scattered
    Showers

  • Tonight

    Tonight: Isolated showers and thunderstorms before 7pm, then isolated showers between 7pm and 9pm.  Increasing clouds, with a low around 59. East wind 5 to 10 mph becoming west in the evening.  Chance of precipitation is 20%.

    Low: 59 °F

    Isolated
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: Scattered showers and thunderstorms, mainly after 5pm.  Cloudy through mid morning, then becoming mostly sunny, with a high near 85. Breezy, with a light and variable wind becoming east 12 to 17 mph in the morning. Winds could gust as high as 25 mph.  Chance of precipitation is 30%.

    High: 85 °F

    Scattered
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Isolated showers between 9pm and 11pm.  Partly cloudy, with a low around 56. North northeast wind 6 to 11 mph becoming light and variable  after midnight.  Chance of precipitation is 20%.

    Low: 56 °F

    Isolated
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 87. Light and variable wind becoming north northeast 5 to 10 mph in the afternoon.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. Northeast wind 5 to 10 mph becoming light and variable  in the evening.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 92. Calm wind becoming east northeast 5 to 7 mph in the afternoon.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Partly sunny, with a high near 86. Northwest wind 7 to 11 mph becoming north northeast. Chance of precipitation is 50%.
Tonight
Isolated showers and thunderstorms before 7pm, then isolated showers between 7pm and 9pm. Increasing clouds, with a low around 59. East wind 5 to 10 mph becoming west in the evening. Chance of precipitation is 20%.
Tuesday
Scattered showers and thunderstorms, mainly after 5pm. Cloudy through mid morning, then becoming mostly sunny, with a high near 85. Breezy, with a light and variable wind becoming east 12 to 17 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 30%.
Tuesday Night
Isolated showers between 9pm and 11pm. Partly cloudy, with a low around 56. North northeast wind 6 to 11 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 87. Light and variable wind becoming north northeast 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 59. Northeast wind 5 to 10 mph becoming light and variable in the evening.
Thursday
Sunny, with a high near 92. Calm wind becoming east northeast 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 92.
Friday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 64.
Saturday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 92.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Thermopolis WY
 43.64°N 108.23°W (Elev. 4436 ft)
3:32 pm MDT Aug 17, 2026
3pm MDT Aug 17, 2026-6pm MDT Aug 23, 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