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

Heavy Rain in the Southern U.S.; Active Weather Continues in Alaska

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains today, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. Another Bering system will impact the Alaskan West Coast and Central Interior through the weekend bringing moderate to heavy snow, high winds, and/or some blizzard conditions. Read More >

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

16°F

-9°C

Humidity 95%
Wind Speed N 0 MPH
Barometer NA
Dewpoint 15°F (-9°C)
Visibility NA
Last update 13 Feb 06:00 AM MST
Extended Forecast for

12 Miles NE Big Sky MT

  • Today

    Today: Sunny, with a high near 39. South southeast wind around 5 mph becoming calm in the morning.

    High: 39 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 22. Calm wind becoming south southeast around 6 mph after midnight.

    Low: 22 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 40. South southwest wind around 6 mph, with gusts as high as 18 mph.

    High: 40 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 28. South wind around 6 mph.

    Low: 28 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow after 11am. Partly sunny, with a high near 42. South wind 6 to 8 mph, with gusts as high as 23 mph.

    High: 42 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 25. South wind around 6 mph.

    Low: 25 °F

    Partly Cloudy

  • Washington's Birthday

    Washington's Birthday: A 20 percent chance of snow after 11am. Partly sunny, with a high near 42. South wind 5 to 8 mph, with gusts as high as 23 mph.

    High: 42 °F

    Slight Chance
    Snow

  • Monday Night

    Monday Night: Snow likely, mainly after 11pm. Mostly cloudy, with a low around 27. South southeast wind 5 to 7 mph.

    Low: 27 °F

    Snow Likely

  • Tuesday

    Tuesday: Snow. Mostly cloudy, with a high near 37.

    High: 37 °F

    Snow

Detailed Forecast

Today
Sunny, with a high near 39. South southeast wind around 5 mph becoming calm in the morning.
Tonight
Mostly cloudy, with a low around 22. Calm wind becoming south southeast around 6 mph after midnight.
Saturday
Mostly cloudy, with a high near 40. South southwest wind around 6 mph, with gusts as high as 18 mph.
Saturday Night
Mostly cloudy, with a low around 28. South wind around 6 mph.
Sunday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 42. South wind 6 to 8 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 25. South wind around 6 mph.
Washington's Birthday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 42. South wind 5 to 8 mph, with gusts as high as 23 mph.
Monday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 27. South southeast wind 5 to 7 mph.
Tuesday
Snow. Mostly cloudy, with a high near 37.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 18.
Wednesday
Snow likely. Mostly cloudy, with a high near 31.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 15.
Thursday
A chance of snow. Mostly cloudy, with a high near 29.
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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:
4:17 am MST Feb 13, 2026
Forecast Valid:
6am MST Feb 13, 2026-6pm MST Feb 19, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation