Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Current conditions at

CW8386 Thermopolis (C8386)

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

NA

62°F

17°C

Humidity 30%
Wind Speed N 0 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 30°F (-1°C)
Visibility NA
Last update 19 Mar 09:55 AM MDT
Extended Forecast for

Thermopolis WY

Red Flag Warning March 19, 10:10am until March 21, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning March 19, 10:10am until March 21, 09:00pm

    NOW until 9:00pm Sat

    Red Flag Warning

  • Today

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. West wind 6 to 13 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Low: 47 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 84. South wind 6 to 14 mph becoming west in the afternoon. Winds could gust as high as 21 mph.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45. West wind 6 to 11 mph becoming south after midnight.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 85. Breezy, with a south southwest wind 7 to 12 mph becoming west 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 85 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 38. Breezy, with a north northwest wind 17 to 22 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 33 mph.

    Low: 38 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 65. Light and variable wind becoming east 5 to 8 mph in the afternoon.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 83. West wind 6 to 14 mph, with gusts as high as 22 mph.
Tonight
Mostly cloudy, with a low around 47. West wind 6 to 13 mph becoming south after midnight. Winds could gust as high as 20 mph.
Friday
Mostly sunny, with a high near 84. South wind 6 to 14 mph becoming west in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Partly cloudy, with a low around 45. West wind 6 to 11 mph becoming south after midnight.
Saturday
Mostly sunny, with a high near 85. Breezy, with a south southwest wind 7 to 12 mph becoming west 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.
Saturday Night
Mostly cloudy, with a low around 38. Breezy, with a north northwest wind 17 to 22 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 33 mph.
Sunday
Sunny, with a high near 65. Light and variable wind becoming east 5 to 8 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Partly sunny, with a high near 71.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
Partly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Sunny, with a high near 83. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Thermopolis WY
 43.64°N 108.2°W (Elev. 4400 ft)
10:02 am MDT Mar 19, 2026
10am MDT Mar 19, 2026-6pm MDT Mar 25, 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