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

Lake Effect Snow in the Lower Great Lakes; Rain and High Elevation Snow in the West

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. In the Western U.S., rain and higher elevation snow will continue over the Great Basin through Friday. A front will move over the Pacific Northwest Thursday afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

25°F

-4°C

Humidity 97%
Wind Speed NNW 2 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 11 Feb 10:30 PM MST
Extended Forecast for

12 Miles NE Big Sky MT

  • Tonight

    Tonight: Mostly clear, with a low around 19. Calm wind.

    Low: 19 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 41. Calm wind.

    High: 41 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 20. Calm wind becoming south around 5 mph after midnight.

    Low: 20 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 40. South wind around 5 mph becoming calm in the morning.

    High: 40 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 23. Calm wind becoming south around 5 mph after midnight.

    Low: 23 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 10 percent chance of snow after 11am. Mostly cloudy, with a high near 39. South wind around 7 mph, with gusts as high as 21 mph.

    High: 39 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 27. South wind 5 to 7 mph.

    Low: 27 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: A chance of snow, mainly after 11am. Mostly cloudy, with a high near 41. South wind 5 to 7 mph, with gusts as high as 18 mph.

    High: 41 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A chance of snow. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 19. Calm wind.
Thursday
Sunny, with a high near 41. Calm wind.
Thursday Night
Mostly clear, with a low around 20. Calm wind becoming south around 5 mph after midnight.
Friday
Mostly sunny, with a high near 40. South wind around 5 mph becoming calm in the morning.
Friday Night
Mostly cloudy, with a low around 23. Calm wind becoming south around 5 mph after midnight.
Saturday
A 10 percent chance of snow after 11am. Mostly cloudy, with a high near 39. South wind around 7 mph, with gusts as high as 21 mph.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 27. South wind 5 to 7 mph.
Sunday
A chance of snow, mainly after 11am. Mostly cloudy, with a high near 41. South wind 5 to 7 mph, with gusts as high as 18 mph.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 25.
Washington's Birthday
A chance of snow. Partly sunny, with a high near 41.
Monday Night
Snow likely. Mostly cloudy, with a low around 23.
Tuesday
Snow likely. Mostly cloudy, with a high near 36.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 17.
Wednesday
Snow likely. Partly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NE Big Sky MT
 45.39°N 111.19°W (Elev. 6998 ft)
Last Update:
10:12 pm MST Feb 11, 2026
Forecast Valid:
10pm MST Feb 11, 2026-6pm MST Feb 18, 2026
 
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Additional Resources

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Chance of Precipitation