Critical Fire Weather in the High Plains; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central and southern High Plains Wednesday. Two Pacific storms will continue impacting the mountains of the western U.S. into Thursday with gusty winds and heavy snow. Heavy snow and gusty winds will continue to impact the northern Plains into the central Great Lakes Wednesday. Read More >

Current conditions at

CW8386 Thermopolis (C8386)

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

NA

29°F

-2°C

Humidity 50%
Wind Speed N 0 MPH
Barometer 29.49 in (998.65 mb)
Dewpoint 12°F (-11°C)
Visibility NA
Last update 18 Feb 05:11 AM MST
Extended Forecast for

10 Miles ESE Lysite WY

Winter Weather Advisory February 18, 05:00pm until February 19, 11:00am
Click here for hazard details and duration
Winter Weather Advisory
  • Today

    Today: Snow likely, mainly after 2pm.  Partly sunny, with a high near 43. Breezy, with a south wind 10 to 18 mph becoming north in the afternoon. Winds could gust as high as 28 mph.  Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

    High: 43 °F

    Breezy.
    Chance Snow
    then Snow
    Likely

  • Tonight

    Tonight: Snow.  Low around 7. Wind chill values as low as zero. Blustery, with a north northeast wind 6 to 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 7 °F

    Snow and
    Blustery

  • Thursday

    Thursday: A 50 percent chance of snow before 11am.  Cloudy, then gradually becoming mostly sunny, with a high near 20. Wind chill values as low as zero. East wind around 6 mph becoming light and variable.  New snow accumulation of less than a half inch possible.

    High: 20 °F

    Chance Snow
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 2. North wind around 6 mph becoming south in the evening.

    Low: 2 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of snow showers.  Partly sunny, with a high near 24. West wind 3 to 7 mph.

    High: 24 °F

    Slight Chance
    Snow Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 4. West southwest wind around 6 mph.

    Low: 4 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 29. West southwest wind 5 to 8 mph.

    High: 29 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 9.

    Low: 9 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

Detailed Forecast

Today
Snow likely, mainly after 2pm. Partly sunny, with a high near 43. Breezy, with a south wind 10 to 18 mph becoming north in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow. Low around 7. Wind chill values as low as zero. Blustery, with a north northeast wind 6 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday
A 50 percent chance of snow before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 20. Wind chill values as low as zero. East wind around 6 mph becoming light and variable. New snow accumulation of less than a half inch possible.
Thursday Night
Partly cloudy, with a low around 2. North wind around 6 mph becoming south in the evening.
Friday
A 20 percent chance of snow showers. Partly sunny, with a high near 24. West wind 3 to 7 mph.
Friday Night
Partly cloudy, with a low around 4. West southwest wind around 6 mph.
Saturday
Sunny, with a high near 29. West southwest wind 5 to 8 mph.
Saturday Night
Mostly clear, with a low around 9.
Sunday
Mostly sunny, with a high near 36.
Sunday Night
Partly cloudy, with a low around 18.
Monday
Sunny, with a high near 46. Breezy.
Monday Night
Partly cloudy, with a low around 27. Breezy.
Tuesday
Partly sunny, with a high near 46. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles ESE Lysite WY
 43.21°N 107.51°W (Elev. 5630 ft)
4:31 am MST Feb 18, 2026
5am MST Feb 18, 2026-6pm MST Feb 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