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

56°F

13°C

Humidity 33%
Wind Speed N 0 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 27°F (-3°C)
Visibility NA
Last update 21 Mar 04:10 AM MDT
Extended Forecast for

10 Miles ESE Lysite WY

Red Flag Warning March 21, 04:23am until March 21, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning March 21, 04:23am until March 21, 09:00pm

    NOW until 9:00pm Sat

    Red Flag Warning

  • Today

    High: 79 °F

    Mostly Sunny
    then Partly
    Sunny and
    Windy

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. Breezy, with a west northwest wind 18 to 23 mph becoming east 7 to 12 mph in the evening. Winds could gust as high as 34 mph.

    Low: 38 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 62. East wind around 7 mph becoming west northwest in the morning.

    High: 62 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 36. West northwest wind 5 to 9 mph becoming east southeast after midnight.

    Low: 36 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 66. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 66 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. Southwest wind 6 to 10 mph.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 70. Breezy, with a west wind 7 to 17 mph, with gusts as high as 28 mph.

    High: 70 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44. Breezy.

    Low: 44 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 79. Windy, with an east wind 7 to 12 mph becoming west 20 to 25 mph in the morning. Winds could gust as high as 38 mph.
Tonight
Mostly cloudy, with a low around 38. Breezy, with a west northwest wind 18 to 23 mph becoming east 7 to 12 mph in the evening. Winds could gust as high as 34 mph.
Sunday
Mostly sunny, with a high near 62. East wind around 7 mph becoming west northwest in the morning.
Sunday Night
Mostly cloudy, with a low around 36. West northwest wind 5 to 9 mph becoming east southeast after midnight.
Monday
Partly sunny, with a high near 66. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 40. Southwest wind 6 to 10 mph.
Tuesday
Partly sunny, with a high near 70. Breezy, with a west wind 7 to 17 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low around 44. Breezy.
Wednesday
Mostly sunny, with a high near 74. Breezy.
Wednesday Night
Mostly cloudy, with a low around 36. Breezy.
Thursday
Mostly sunny, with a high near 61. Breezy.
Thursday Night
Mostly cloudy, with a low around 30. Blustery.
Friday
Partly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles ESE Lysite WY
 43.21°N 107.51°W (Elev. 5630 ft)
3:16 am MDT Mar 21, 2026
4am MDT Mar 21, 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