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

Gusty winds and low relative humidity will bring critical fire weather to the central/southern High Plains and portions of the Midwest. Two Pacific storms will continue to bring heavy mountain snow and gusty winds to the western U.S. through Thursday. A swath of wintry weather, including heavy snow and a wintry mix, is expected from the Northern Plains to New England. Read More >

Current conditions at

USCRN SITE NEAR LEWISTOWN 42WSW (JRWM8)

Lat: 46.88472°NLon: 110.28944°WElev: 5045.0ft.

NA

-4°F

-20°C

Humidity 72%
Wind Speed NA 6 MPH
Barometer NA
Dewpoint -11°F (-24°C)
Visibility NA
Wind Chill-17°F (-27°C)
Last update 18 Feb 08:00 AM MST
Extended Forecast for

6 Miles WSW Windham MT

  • Today

    Today: A 50 percent chance of snow, mainly after 9am.  Mostly cloudy and cold, with a high near 4. Wind chill values as low as -20. North northwest wind 7 to 11 mph, with gusts as high as 18 mph.  Total daytime snow accumulation of less than a half inch possible.

    High: 4 °F

    Chance Snow

  • Tonight

    Tonight: Snow likely, mainly before 10pm.  Mostly cloudy, with a steady temperature around -3. Wind chill values as low as -20. North northwest wind 3 to 8 mph.  Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: -3 °F

    Snow Likely
    then Chance
    Snow

  • Thursday

    Thursday: A 30 percent chance of snow, mainly before 11am.  Cloudy, then gradually becoming mostly sunny, with a high near 18. Wind chill values as low as -10. Calm wind becoming east around 5 mph in the afternoon.  Little or no snow accumulation expected.

    High: 18 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 4. Calm wind becoming southwest around 5 mph after midnight.

    Low: 4 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of snow after 11am.  Partly sunny, with a high near 30. Southwest wind 5 to 8 mph becoming west northwest in the afternoon.

    High: 30 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow before 11pm.  Partly cloudy, with a low around 10. West southwest wind 5 to 8 mph.

    Low: 10 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 31. West southwest wind around 7 mph becoming northeast in the afternoon.

    High: 31 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 8. Light and variable wind becoming south southwest 5 to 7 mph after midnight.

    Low: 8 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

Detailed Forecast

Today
A 50 percent chance of snow, mainly after 9am. Mostly cloudy and cold, with a high near 4. Wind chill values as low as -20. North northwest wind 7 to 11 mph, with gusts as high as 18 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow likely, mainly before 10pm. Mostly cloudy, with a steady temperature around -3. Wind chill values as low as -20. North northwest wind 3 to 8 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Thursday
A 30 percent chance of snow, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 18. Wind chill values as low as -10. Calm wind becoming east around 5 mph in the afternoon. Little or no snow accumulation expected.
Thursday Night
Partly cloudy, with a low around 4. Calm wind becoming southwest around 5 mph after midnight.
Friday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 30. Southwest wind 5 to 8 mph becoming west northwest in the afternoon.
Friday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 10. West southwest wind 5 to 8 mph.
Saturday
Mostly sunny, with a high near 31. West southwest wind around 7 mph becoming northeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 8. Light and variable wind becoming south southwest 5 to 7 mph after midnight.
Sunday
Partly sunny, with a high near 33.
Sunday Night
Partly cloudy, with a low around 18.
Monday
Mostly sunny, with a high near 47.
Monday Night
A chance of snow. Mostly cloudy, with a low around 25.
Tuesday
A chance of snow. Partly sunny, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Windham MT
 47.07°N 110.27°W (Elev. 4918 ft)
6:57 am MST Feb 18, 2026
8am MST Feb 18, 2026-6pm MST Feb 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database