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

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

21°F

-6°C

Humidity 95%
Wind Speed S 1 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Last update 17 Feb 06:45 PM MST
Extended Forecast for

6 Miles ESE Big Sky MT

  • Tonight

    Tonight: A 40 percent chance of snow, mainly after 11pm.  Increasing clouds, with a low around 14. South wind 8 to 15 mph, with gusts as high as 21 mph.  Total nighttime snow accumulation of less than a half inch possible.

    Low: 14 °F

    Chance Snow

  • Wednesday

    Wednesday: Snow, mainly after 9am.  High near 23. South southeast wind 6 to 8 mph becoming north in the afternoon.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 23 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow, mainly before 11pm.  Low around 5. Wind chill values as low as -5. North wind 5 to 7 mph becoming light and variable.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 5 °F

    Snow then
    Chance Snow

  • Thursday

    Thursday: A 50 percent chance of snow.  Partly sunny, with a high near 19. Wind chill values as low as -5. West southwest wind 5 to 8 mph.  New snow accumulation of less than a half inch possible.

    High: 19 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly before 11pm.  Mostly cloudy, with a low around 5. Southwest wind 5 to 7 mph becoming calm  in the evening.  Little or no snow accumulation expected.

    Low: 5 °F

    Chance Snow

  • Friday

    Friday: A 40 percent chance of snow after 11am.  Partly sunny, with a high near 21. Calm wind becoming west 5 to 7 mph in the afternoon.  Little or no snow accumulation expected.

    High: 21 °F

    Chance Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow.  Partly cloudy, with a low around 5. West wind around 5 mph becoming calm  in the evening.

    Low: 5 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 30. South wind 3 to 8 mph.

    High: 30 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 11.

    Low: 11 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of snow, mainly after 11pm. Increasing clouds, with a low around 14. South wind 8 to 15 mph, with gusts as high as 21 mph. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Snow, mainly after 9am. High near 23. South southeast wind 6 to 8 mph becoming north in the afternoon. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow, mainly before 11pm. Low around 5. Wind chill values as low as -5. North wind 5 to 7 mph becoming light and variable. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday
A 50 percent chance of snow. Partly sunny, with a high near 19. Wind chill values as low as -5. West southwest wind 5 to 8 mph. New snow accumulation of less than a half inch possible.
Thursday Night
A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 5. Southwest wind 5 to 7 mph becoming calm in the evening. Little or no snow accumulation expected.
Friday
A 40 percent chance of snow after 11am. Partly sunny, with a high near 21. Calm wind becoming west 5 to 7 mph in the afternoon. Little or no snow accumulation expected.
Friday Night
A 20 percent chance of snow. Partly cloudy, with a low around 5. West wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 30. South wind 3 to 8 mph.
Saturday Night
Partly cloudy, with a low around 11.
Sunday
Mostly sunny, with a high near 36.
Sunday Night
A slight chance of snow. Mostly clear, with a low around 22.
Monday
A chance of snow. Mostly sunny, with a high near 39.
Monday Night
Snow likely. Mostly cloudy, with a low around 25.
Tuesday
Snow likely. Mostly cloudy, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Big Sky MT
 45.24°N 111.22°W (Elev. 7129 ft)
6:22 pm MST Feb 17, 2026
7pm MST Feb 17, 2026-6pm MST Feb 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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