National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Extremely Critical Fire Weather in the Central Plains; Active Pattern in the West

Gusty to high winds and low relative humidity will bring critical to extremely critical fire weather conditions to the central and southern Plains today into Wednesday. Use caution with any potential ignition sources. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain and heavy mountain snow. Read More >

Hazardous Weather Conditions

Current conditions at

USCRN SITE NEAR LEWISTOWN 42WSW (JRWM8)

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

NA

28°F

-2°C

Humidity 70%
Wind Speed NA 1 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Last update 17 Feb 08:00 AM MST
Extended Forecast for

6 Miles WSW Windham MT

High Wind Warning February 17, 09:00am until February 17, 08:00pm
Click here for hazard details and duration
High Wind Warning

  • Today

    Today: Rain and snow, becoming all snow after noon, then gradually ending. Patchy blowing snow between noon and 1pm. Temperature rising to near 40 by 10am, then falling to around 23 during the remainder of the day. Windy, with a south wind 15 to 20 mph becoming west northwest 29 to 34 mph in the morning. Winds could gust as high as 50 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.

    High: 40 °F⇓

    Rain/Snow and
    Windy then
    Snow Likely
    and Patchy
    Blowing Snow

  • Tonight

    Tonight: Partly cloudy, with a low around -2. Blustery, with a north northwest wind 17 to 22 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 31 mph.

    Low: -2 °F

    Partly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Snow likely, mainly after 11am. Cloudy, with a high near 7. Wind chill values as low as -10. North northwest wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 7 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 11pm. Cloudy, with a low around -7. North northwest wind 3 to 8 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: -7 °F

    Snow Likely
    then Chance
    Snow

  • Thursday

    Thursday: A 40 percent chance of snow. Partly sunny, with a high near 16. Calm wind becoming east around 6 mph in the afternoon. New snow accumulation of less than a half inch possible.

    High: 16 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 5. East wind around 6 mph becoming southwest after midnight.

    Low: 5 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of snow after 11am. Partly sunny, with a high near 29. West northwest wind 6 to 10 mph.

    High: 29 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: A slight chance of snow. Partly cloudy, with a low around 9. West southwest wind around 7 mph.

    Low: 9 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

Detailed Forecast

Today
Rain and snow, becoming all snow after noon, then gradually ending. Patchy blowing snow between noon and 1pm. Temperature rising to near 40 by 10am, then falling to around 23 during the remainder of the day. Windy, with a south wind 15 to 20 mph becoming west northwest 29 to 34 mph in the morning. Winds could gust as high as 50 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Partly cloudy, with a low around -2. Blustery, with a north northwest wind 17 to 22 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 31 mph.
Wednesday
Snow likely, mainly after 11am. Cloudy, with a high near 7. Wind chill values as low as -10. North northwest wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday Night
Snow likely, mainly before 11pm. Cloudy, with a low around -7. North northwest wind 3 to 8 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Thursday
A 40 percent chance of snow. Partly sunny, with a high near 16. Calm wind becoming east around 6 mph in the afternoon. New snow accumulation of less than a half inch possible.
Thursday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 5. East wind around 6 mph becoming southwest after midnight.
Friday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 29. West northwest wind 6 to 10 mph.
Friday Night
A slight chance of snow. Partly cloudy, with a low around 9. West southwest wind around 7 mph.
Saturday
Mostly sunny, with a high near 28.
Saturday Night
Partly cloudy, with a low around 9.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
Partly cloudy, with a low around 20.
Monday
A slight chance of snow. Partly sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Windham MT
 47.07°N 110.27°W (Elev. 4918 ft)
Last Update:
8:03 am MST Feb 17, 2026
Forecast Valid:
8am MST Feb 17, 2026-6pm MST Feb 23, 2026
 
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Additional Resources

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Chance of Precipitation