Dangerous Heat in the Central and Eastern U.S.; Critical Fire Weather in the Great Basin and Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue Tuesday across portions of the Four Corners and Great Basin, as dry conditions and gusty winds persist. Read More >

Current conditions at

CW8386 Thermopolis (C8386)

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

NA

64°F

18°C

Humidity 39%
Wind Speed N 18 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 38°F (3°C)
Visibility NA
Last update 29 Jun 08:10 PM MDT
Extended Forecast for

22 Miles NNE Lysite WY

  • Tonight

    Tonight: Mostly clear, with a low around 47. Windy, with a west southwest wind 21 to 26 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 39 mph.

    Low: 47 °F

    Mostly Clear
    and Windy

  • Tuesday

    Tuesday: Sunny, with a high near 75. Breezy, with a west southwest wind 11 to 18 mph, with gusts as high as 25 mph.

    High: 75 °F

    Sunny and
    Breezy then
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51. West wind 8 to 11 mph becoming east in the evening.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 78. South wind 8 to 11 mph becoming west in the afternoon.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54. West wind 7 to 10 mph becoming east in the evening.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 81. Breezy, with a south southeast wind 6 to 15 mph becoming west in the afternoon. Winds could gust as high as 23 mph.

    High: 81 °F

    Sunny then
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55. West wind 8 to 11 mph becoming south after midnight.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 82. Breezy.

    High: 82 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54. Breezy.

    Low: 54 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 47. Windy, with a west southwest wind 21 to 26 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 39 mph.
Tuesday
Sunny, with a high near 75. Breezy, with a west southwest wind 11 to 18 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 51. West wind 8 to 11 mph becoming east in the evening.
Wednesday
Sunny, with a high near 78. South wind 8 to 11 mph becoming west in the afternoon.
Wednesday Night
Partly cloudy, with a low around 54. West wind 7 to 10 mph becoming east in the evening.
Thursday
Sunny, with a high near 81. Breezy, with a south southeast wind 6 to 15 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 55. West wind 8 to 11 mph becoming south after midnight.
Friday
Mostly sunny, with a high near 82. Breezy.
Friday Night
Partly cloudy, with a low around 54. Breezy.
Independence Day
Sunny, with a high near 79.
Saturday Night
Clear, with a low around 55.
Sunday
Sunny, with a high near 84.
Sunday Night
Mostly clear, with a low around 59. Breezy.
Monday
Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NNE Lysite WY
 43.57°N 107.62°W (Elev. 6168 ft)
6:47 pm MDT Jun 29, 2026
8pm MDT Jun 29, 2026-6pm MDT Jul 6, 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