Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. 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 71%
Wind Speed S 1 MPH
Barometer NA
Dewpoint 13°F (-11°C)
Visibility NA
Last update 20 Feb 05:45 PM MST
Extended Forecast for

14 Miles ESE Big Sky MT

  • Tonight

    Tonight: A 20 percent chance of snow before 9pm.  Mostly cloudy, with a low around 2. Wind chill values as low as -20. West southwest wind 15 to 17 mph, with gusts as high as 24 mph.

    Low: 2 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 16. Wind chill values as low as -15. Southwest wind around 17 mph, with gusts as high as 29 mph.

    High: 16 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 11. Wind chill values as low as -5. South southwest wind around 17 mph, with gusts as high as 24 mph.

    Low: 11 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 26. Wind chill values as low as -5. South wind around 18 mph, with gusts as high as 30 mph.

    High: 26 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Patchy blowing snow after 2am. Partly cloudy, with a low around 18. South wind around 21 mph, with gusts as high as 28 mph.

    Low: 18 °F

    Mostly Clear
    then Patchy
    Blowing Snow

  • Monday

    Monday: Patchy blowing snow before 11am. Partly sunny, with a high near 31. Breezy, with a south southwest wind 20 to 22 mph, with gusts as high as 34 mph.

    High: 31 °F

    Patchy
    Blowing Snow
    then Partly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: A 40 percent chance of snow after 11pm.  Mostly cloudy, with a low around 21. Breezy, with a south southwest wind around 26 mph, with gusts as high as 40 mph.  New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Chance Snow
    and Breezy

  • Tuesday

    Tuesday: Snow.  Mostly cloudy, with a high near 26. Breezy, with a south southwest wind around 26 mph, with gusts as high as 44 mph.

    High: 26 °F

    Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: Snow, mainly before 11pm.  Mostly cloudy, with a low around 18. Breezy.

    Low: 18 °F

    Snow and
    Breezy

Detailed Forecast

Tonight
A 20 percent chance of snow before 9pm. Mostly cloudy, with a low around 2. Wind chill values as low as -20. West southwest wind 15 to 17 mph, with gusts as high as 24 mph.
Saturday
Mostly sunny, with a high near 16. Wind chill values as low as -15. Southwest wind around 17 mph, with gusts as high as 29 mph.
Saturday Night
Mostly cloudy, with a low around 11. Wind chill values as low as -5. South southwest wind around 17 mph, with gusts as high as 24 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 26. Wind chill values as low as -5. South wind around 18 mph, with gusts as high as 30 mph.
Sunday Night
Patchy blowing snow after 2am. Partly cloudy, with a low around 18. South wind around 21 mph, with gusts as high as 28 mph.
Monday
Patchy blowing snow before 11am. Partly sunny, with a high near 31. Breezy, with a south southwest wind 20 to 22 mph, with gusts as high as 34 mph.
Monday Night
A 40 percent chance of snow after 11pm. Mostly cloudy, with a low around 21. Breezy, with a south southwest wind around 26 mph, with gusts as high as 40 mph. New snow accumulation of less than a half inch possible.
Tuesday
Snow. Mostly cloudy, with a high near 26. Breezy, with a south southwest wind around 26 mph, with gusts as high as 44 mph.
Tuesday Night
Snow, mainly before 11pm. Mostly cloudy, with a low around 18. Breezy.
Wednesday
A chance of snow. Partly sunny, with a high near 21. Breezy.
Wednesday Night
A chance of snow. Partly cloudy, with a low around 12. Breezy.
Thursday
A chance of snow. Partly sunny, with a high near 24. Breezy.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 18. Breezy.
Friday
A chance of snow. Partly sunny, with a high near 27. Windy.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles ESE Big Sky MT
 45.17°N 111.09°W (Elev. 9400 ft)
6:02 pm MST Feb 20, 2026
6pm MST Feb 20, 2026-6pm MST Feb 27, 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