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

46°F

8°C

Humidity 51%
Wind Speed N 5 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 29°F (-2°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 20 Mar 06:55 AM MDT
Extended Forecast for

4 Miles S East Thermopolis WY

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

    NOW until 9:00pm Sat

    Red Flag Warning

  • Today

    High: 81 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 48. Breezy, with a south wind 6 to 15 mph, with gusts as high as 23 mph.

    Low: 48 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 83. Breezy, with a south wind 7 to 12 mph becoming west 19 to 24 mph in the afternoon. Winds could gust as high as 37 mph.

    High: 83 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 38. Breezy, with a west wind 18 to 23 mph becoming north 7 to 12 mph after midnight. Winds could gust as high as 34 mph.

    Low: 38 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Sunday

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

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36. North northeast wind 5 to 8 mph becoming calm  in the evening.

    Low: 36 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 70. Light south southwest wind becoming southwest 5 to 10 mph in the afternoon.

    High: 70 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 81. Breezy, with a west southwest wind 7 to 15 mph, with gusts as high as 23 mph.
Tonight
Partly cloudy, with a low around 48. Breezy, with a south wind 6 to 15 mph, with gusts as high as 23 mph.
Saturday
Mostly sunny, with a high near 83. Breezy, with a south wind 7 to 12 mph becoming west 19 to 24 mph in the afternoon. Winds could gust as high as 37 mph.
Saturday Night
Mostly cloudy, with a low around 38. Breezy, with a west wind 18 to 23 mph becoming north 7 to 12 mph after midnight. Winds could gust as high as 34 mph.
Sunday
Sunny, with a high near 66. North northwest wind 5 to 8 mph becoming northeast in the afternoon.
Sunday Night
Partly cloudy, with a low around 36. North northeast wind 5 to 8 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 70. Light south southwest wind becoming southwest 5 to 10 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
Partly sunny, with a high near 75.
Tuesday Night
Mostly cloudy, with a low around 46. Breezy.
Wednesday
Mostly sunny, with a high near 82. Breezy.
Wednesday Night
Partly cloudy, with a low around 36. Breezy.
Thursday
A slight chance of showers. Sunny, with a high near 59. Breezy.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S East Thermopolis WY
 43.6°N 108.22°W (Elev. 4495 ft)
6:47 am MDT Mar 20, 2026
7am MDT Mar 20, 2026-6pm MDT Mar 26, 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