Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Current conditions at

CW8386 Thermopolis (C8386)

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

NA

52°F

11°C

Humidity 48%
Wind Speed N 0 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 33°F (1°C)
Visibility NA
Last update 17 Mar 11:41 PM MDT
Extended Forecast for

5 Miles ENE Lysite WY

Red Flag Warning March 18, 12:00pm until March 21, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  • Tonight

    Tonight: Mostly clear, with a low around 42. West northwest wind around 7 mph becoming south southeast after midnight.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73. Breezy, with a south southeast wind 6 to 11 mph becoming west 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 73 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 39. Breezy, with a west wind 16 to 21 mph becoming south southeast 5 to 10 mph in the evening. Winds could gust as high as 31 mph.

    Low: 39 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 75. Breezy, with a southeast wind 6 to 15 mph becoming west in the afternoon. Winds could gust as high as 23 mph.

    High: 75 °F

    Sunny then
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42. Breezy, with a west wind 7 to 15 mph becoming south southwest after midnight. Winds could gust as high as 23 mph.

    Low: 42 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76. Breezy, with a south southwest wind 6 to 15 mph, with gusts as high as 23 mph.

    High: 76 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46. Breezy, with a west wind 8 to 15 mph becoming south after midnight. Winds could gust as high as 23 mph.

    Low: 46 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 78. Breezy.

    High: 78 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 35. Breezy.

    Low: 35 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 42. West northwest wind around 7 mph becoming south southeast after midnight.
Wednesday
Sunny, with a high near 73. Breezy, with a south southeast wind 6 to 11 mph becoming west 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph.
Wednesday Night
Mostly clear, with a low around 39. Breezy, with a west wind 16 to 21 mph becoming south southeast 5 to 10 mph in the evening. Winds could gust as high as 31 mph.
Thursday
Sunny, with a high near 75. Breezy, with a 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 42. Breezy, with a west wind 7 to 15 mph becoming south southwest after midnight. Winds could gust as high as 23 mph.
Friday
Mostly sunny, with a high near 76. Breezy, with a south southwest wind 6 to 15 mph, with gusts as high as 23 mph.
Friday Night
Partly cloudy, with a low around 46. Breezy, with a west wind 8 to 15 mph becoming south after midnight. Winds could gust as high as 23 mph.
Saturday
Partly sunny, with a high near 78. Breezy.
Saturday Night
Mostly cloudy, with a low around 35. Breezy.
Sunday
Partly sunny, with a high near 58.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Mostly sunny, with a high near 63.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
Partly sunny, with a high near 67.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Lysite WY
 43.29°N 107.64°W (Elev. 5400 ft)
11:33 pm MDT Mar 17, 2026
11pm MDT Mar 17, 2026-6pm MDT Mar 24, 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