Lake Effect Snow in the Lower Great Lakes; Unsettled Pattern in the Pacific Northwest

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. Lake Effect Snow Warnings have been issued. 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 this 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

18°F

-8°C

Humidity 94%
Wind Speed SSW 0 MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility NA
Last update 12 Feb 08:45 AM MST
Extended Forecast for

13 Miles ESE Big Sky MT

  • Today

    Today: Sunny, with a high near 30. West southwest wind 10 to 14 mph, with gusts as high as 18 mph.

    High: 30 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 18. West southwest wind 15 to 20 mph.

    Low: 18 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 28. Southwest wind 14 to 18 mph, with gusts as high as 22 mph.

    High: 28 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 19. South southwest wind 16 to 21 mph, with gusts as high as 25 mph.

    Low: 19 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 28. South southwest wind around 21 mph, with gusts as high as 31 mph.

    High: 28 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of snow, mainly before 11pm.  Mostly cloudy, with a low around 24. Breezy, with a south southwest wind 22 to 24 mph, with gusts as high as 33 mph.  Little or no snow accumulation expected.

    Low: 24 °F

    Chance Snow
    and Breezy

  • Sunday

    Sunday: A 40 percent chance of snow, mainly after 11am.  Mostly cloudy, with a high near 30. Breezy, with a south southwest wind 20 to 23 mph, with gusts as high as 33 mph.  New snow accumulation of less than a half inch possible.

    High: 30 °F

    Chance Snow
    and Breezy

  • Sunday Night

    Sunday Night: A chance of snow.  Mostly cloudy, with a low around 23. South southwest wind 13 to 16 mph, with gusts as high as 29 mph.

    Low: 23 °F

    Chance Snow

  • Washington's Birthday

    Washington's Birthday: A chance of snow.  Partly sunny, with a high near 30.

    High: 30 °F

    Chance Snow

Detailed Forecast

Today
Sunny, with a high near 30. West southwest wind 10 to 14 mph, with gusts as high as 18 mph.
Tonight
Mostly clear, with a low around 18. West southwest wind 15 to 20 mph.
Friday
Mostly sunny, with a high near 28. Southwest wind 14 to 18 mph, with gusts as high as 22 mph.
Friday Night
Mostly cloudy, with a low around 19. South southwest wind 16 to 21 mph, with gusts as high as 25 mph.
Saturday
Mostly cloudy, with a high near 28. South southwest wind around 21 mph, with gusts as high as 31 mph.
Saturday Night
A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 24. Breezy, with a south southwest wind 22 to 24 mph, with gusts as high as 33 mph. Little or no snow accumulation expected.
Sunday
A 40 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 30. Breezy, with a south southwest wind 20 to 23 mph, with gusts as high as 33 mph. New snow accumulation of less than a half inch possible.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 23. South southwest wind 13 to 16 mph, with gusts as high as 29 mph.
Washington's Birthday
A chance of snow. Partly sunny, with a high near 30.
Monday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 24.
Tuesday
Snow. Cloudy, with a high near 26.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 16.
Wednesday
Snow likely. Mostly cloudy, with a high near 22.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles ESE Big Sky MT
 45.23°N 111.07°W (Elev. 9354 ft)
2:57 am MST Feb 12, 2026
9am MST Feb 12, 2026-6pm MST Feb 18, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database