Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

CW8386 Thermopolis (C8386)

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

NA

82°F

28°C

Humidity 18%
Wind Speed N 0 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 34°F (1°C)
Visibility NA
Heat Index80°F (27°C)
Last update 20 Mar 05:56 PM MDT
Extended Forecast for

Thermopolis WY

Red Flag Warning March 20, 06:07pm until March 21, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning March 20, 06:07pm until March 21, 09:00pm

    NOW until 9:00pm Sat

    Red Flag Warning

  • Tonight

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 85. Windy, with a south wind 8 to 13 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 85 °F

    Mostly Sunny
    then Partly
    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38. Breezy, with a west wind 17 to 22 mph becoming northwest 5 to 10 mph in the evening. Winds could gust as high as 31 mph.

    Low: 38 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 66. Light and variable wind becoming northeast 5 to 8 mph in the afternoon.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35. North northeast wind 5 to 8 mph becoming calm  in the evening.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 71. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 71 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41. North northwest wind 5 to 8 mph becoming light and variable  after midnight.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 45. West northwest wind 6 to 14 mph becoming south after midnight. Winds could gust as high as 21 mph.
Saturday
Mostly sunny, with a high near 85. Windy, with a south wind 8 to 13 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 36 mph.
Saturday Night
Partly cloudy, with a low around 38. Breezy, with a west wind 17 to 22 mph becoming northwest 5 to 10 mph in the evening. Winds could gust as high as 31 mph.
Sunday
Sunny, with a high near 66. Light and variable wind becoming northeast 5 to 8 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 35. North northeast wind 5 to 8 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 71. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 41. North northwest wind 5 to 8 mph becoming light and variable after midnight.
Tuesday
Partly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 86. Breezy.
Wednesday Night
Mostly cloudy, with a low around 36. Breezy.
Thursday
Mostly sunny, with a high near 60. Breezy.
Thursday Night
Partly cloudy, with a low around 28. Blustery.
Friday
Mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Thermopolis WY
 43.64°N 108.2°W (Elev. 4400 ft)
5:17 pm MDT Mar 20, 2026
6pm MDT Mar 20, 2026-6pm MDT Mar 27, 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