Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Current conditions at

CW8386 Thermopolis (C8386)

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

NA

76°F

24°C

Humidity 28%
Wind Speed N 2 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 41°F (5°C)
Visibility NA
Heat Index77°F (25°C)
Last update 30 Jun 05:56 PM MDT
Extended Forecast for

13 Miles ENE Lysite WY

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 48. West wind 6 to 14 mph becoming east after midnight. Winds could gust as high as 20 mph.

    Low: 48 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 75. North wind 6 to 11 mph becoming west southwest in the afternoon.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. West southwest wind 5 to 13 mph becoming east northeast after midnight.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 79. East northeast wind 5 to 14 mph becoming west southwest in the morning. Winds could gust as high as 22 mph.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53. West wind 9 to 14 mph becoming light and variable  after midnight. Winds could gust as high as 22 mph.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 80. Breezy, with a light and variable wind becoming northwest 11 to 16 mph in the morning. Winds could gust as high as 24 mph.

    High: 80 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 53. North northwest wind 6 to 14 mph becoming northeast after midnight. Winds could gust as high as 21 mph.

    Low: 53 °F

    Partly Cloudy

  • Independence Day

    Independence Day: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 48. West wind 6 to 14 mph becoming east after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 75. North wind 6 to 11 mph becoming west southwest in the afternoon.
Wednesday Night
Partly cloudy, with a low around 52. West southwest wind 5 to 13 mph becoming east northeast after midnight.
Thursday
Sunny, with a high near 79. East northeast wind 5 to 14 mph becoming west southwest in the morning. Winds could gust as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 53. West wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Friday
Mostly sunny, with a high near 80. Breezy, with a light and variable wind becoming northwest 11 to 16 mph in the morning. Winds could gust as high as 24 mph.
Friday Night
Partly cloudy, with a low around 53. North northwest wind 6 to 14 mph becoming northeast after midnight. Winds could gust as high as 21 mph.
Independence Day
Sunny, with a high near 80.
Saturday Night
Clear, with a low around 55.
Sunday
Sunny, with a high near 84.
Sunday Night
Mostly clear, with a low around 58. Breezy.
Monday
Mostly sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles ENE Lysite WY
 43.32°N 107.47°W (Elev. 6801 ft)
5:47 pm MDT Jun 30, 2026
6pm MDT Jun 30, 2026-6pm MDT Jul 7, 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