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

Karst US-191 MP 55.3 (MTKAR)

Lat: 45.34534°NLon: 111.17261°WElev: 5699.0ft.

unknown precip

15°F

-9°C

Humidity 76%
Wind Speed NNW 9 MPH
Barometer NA
Dewpoint 9°F (-13°C)
Visibility NA
Wind Chill3°F (-16°C)
Last update 18 Feb 01:15 PM MST
Extended Forecast for

13 Miles ESE Big Sky MT

Winter Weather Advisory February 18, 01:36pm until February 18, 11:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory February 18, 01:36pm until February 18, 11:00pm

    NOW until 11:00pm Wed

    Winter Weather Advisory

  • This Afternoon

    High: 15 °F

    Heavy Snow

  • Tonight

    Tonight: Snow likely, mainly before 8pm.  Mostly cloudy, with a low around 1. Wind chill values as low as -20. North northwest wind 9 to 16 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 1 °F

    Snow Likely

  • Thursday

    Thursday: A chance of snow before 11am, then a chance of snow after 1pm.  Partly sunny, with a high near 11. Wind chill values as low as -15. West southwest wind 9 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 40%. New snow accumulation of around an inch possible.

    High: 11 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before 11pm.  Mostly cloudy, with a low around -1. Wind chill values as low as -20. Southwest wind 11 to 14 mph, with gusts as high as 20 mph.

    Low: -1 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of snow after 11am.  Partly sunny, with a high near 13. Southwest wind 10 to 15 mph, with gusts as high as 23 mph.  New snow accumulation of less than a half inch possible.

    High: 13 °F

    Chance Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow before 11pm.  Partly cloudy, with a low around 3. Southwest wind 16 to 18 mph, with gusts as high as 24 mph.

    Low: 3 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 19. South southwest wind 17 to 20 mph, with gusts as high as 28 mph.

    High: 19 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 7. South southwest wind around 18 mph, with gusts as high as 24 mph.

    Low: 7 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Snow, mainly before 3pm. The snow could be heavy at times. High near 15. Wind chill values as low as -10. North wind 14 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 3 to 5 inches possible.
Tonight
Snow likely, mainly before 8pm. Mostly cloudy, with a low around 1. Wind chill values as low as -20. North northwest wind 9 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Thursday
A chance of snow before 11am, then a chance of snow after 1pm. Partly sunny, with a high near 11. Wind chill values as low as -15. West southwest wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New snow accumulation of around an inch possible.
Thursday Night
A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around -1. Wind chill values as low as -20. Southwest wind 11 to 14 mph, with gusts as high as 20 mph.
Friday
A 30 percent chance of snow after 11am. Partly sunny, with a high near 13. Southwest wind 10 to 15 mph, with gusts as high as 23 mph. New snow accumulation of less than a half inch possible.
Friday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 3. Southwest wind 16 to 18 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 19. South southwest wind 17 to 20 mph, with gusts as high as 28 mph.
Saturday Night
Partly cloudy, with a low around 7. South southwest wind around 18 mph, with gusts as high as 24 mph.
Sunday
Partly sunny, with a high near 28.
Sunday Night
Mostly clear, with a low around 18. Breezy.
Monday
A slight chance of snow. Mostly sunny, with a high near 32. Breezy.
Monday Night
A chance of snow. Mostly cloudy, with a low around 21. Breezy.
Tuesday
Snow likely. Mostly cloudy, with a high near 27. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles ESE Big Sky MT
 45.23°N 111.07°W (Elev. 9354 ft)
11:32 am MST Feb 18, 2026
1pm MST Feb 18, 2026-6pm MST Feb 24, 2026
 
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Additional Resources

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