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

STILLWATER (STWM8)

Lat: 48.53944°NLon: 114.55944°WElev: 3116.0ft.

NA

21°F

-6°C

Humidity 62%
Wind Speed S 5 MPH
Barometer NA
Dewpoint 10°F (-12°C)
Visibility NA
Wind Chill14°F (-10°C)
Last update 18 Feb 04:00 PM MST
Extended Forecast for

21 Miles S Fortine MT

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

    NOW until 11:00pm Wed

    Winter Weather Advisory

  • Tonight

    Low: 6 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 22. Wind chill values as low as -7. East wind 6 to 9 mph becoming south southwest in the afternoon.

    High: 22 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow after 11pm.  Mostly cloudy, with a low around 10. Wind chill values as low as zero. East southeast wind around 6 mph.

    Low: 10 °F

    Slight Chance
    Snow

  • Friday

    Friday: A 40 percent chance of snow.  Mostly cloudy, with a high near 24. Wind chill values as low as zero. South wind 6 to 8 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph.  Little or no snow accumulation expected.

    High: 24 °F

    Chance Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 14. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 14 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

Detailed Forecast

Tonight
A slight chance of snow between 10pm and 11pm. Mostly cloudy, with a low around 6. Wind chill values as low as -10. East wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Thursday
Partly sunny, with a high near 22. Wind chill values as low as -7. East wind 6 to 9 mph becoming south southwest in the afternoon.
Thursday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 10. Wind chill values as low as zero. East southeast wind around 6 mph.
Friday
A 40 percent chance of snow. Mostly cloudy, with a high near 24. Wind chill values as low as zero. South wind 6 to 8 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph. Little or no snow accumulation expected.
Friday Night
Mostly cloudy, with a low around 14. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Saturday
Mostly sunny, with a high near 29.
Saturday Night
Partly cloudy, with a low around 12.
Sunday
Partly sunny, with a high near 31.
Sunday Night
A slight chance of snow after 11pm. Mostly cloudy, with a low around 19.
Monday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 35.
Monday Night
Snow likely. Mostly cloudy, with a low around 25.
Tuesday
A chance of snow. Mostly cloudy, with a high near 34.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 24.
Wednesday
A chance of snow. Mostly cloudy, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles S Fortine MT
 48.46°N 114.9°W (Elev. 5902 ft)
1:02 pm MST Feb 18, 2026
5pm MST Feb 18, 2026-6pm MST Feb 25, 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