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

15°F

-9°C

Humidity 93%
Wind Speed NNW 2 MPH
Barometer NA
Dewpoint 13°F (-11°C)
Visibility NA
Last update 13 Feb 08:15 AM MST
Extended Forecast for

13 Miles ESE Big Sky MT

  • Today

    Today: Sunny, with a high near 27. Southwest wind 14 to 17 mph, with gusts as high as 24 mph.

    High: 27 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 18. Southwest wind 17 to 21 mph, with gusts as high as 26 mph.

    Low: 18 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 29. Breezy, with a south southwest wind around 22 mph, with gusts as high as 32 mph.

    High: 29 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 24. Breezy, with a south southwest wind around 24 mph, with gusts as high as 33 mph.

    Low: 24 °F

    Mostly Cloudy
    and Breezy

  • Sunday

    Sunday: A 20 percent chance of snow after 11am.  Partly sunny, with a high near 31. Breezy, with a south southwest wind 22 to 24 mph, with gusts as high as 37 mph.

    High: 31 °F

    Slight Chance
    Snow and
    Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before 11pm.  Partly cloudy, with a low around 22. Breezy, with a south southwest wind 21 to 24 mph, with gusts as high as 33 mph.

    Low: 22 °F

    Slight Chance
    Snow and
    Breezy then
    Partly Cloudy

  • Washington's Birthday

    Washington's Birthday: A 30 percent chance of snow after 11am.  Partly sunny, with a high near 31. Breezy, with a south wind 21 to 25 mph, with gusts as high as 38 mph.  New snow accumulation of less than a half inch possible.

    High: 31 °F

    Chance Snow
    and Breezy

  • Monday Night

    Monday Night: Snow likely, mainly after 11pm.  Mostly cloudy, with a low around 25. South wind 14 to 17 mph, with gusts as high as 30 mph.

    Low: 25 °F

    Snow Likely

  • Tuesday

    Tuesday: Snow.  Cloudy, with a high near 26.

    High: 26 °F

    Snow

Detailed Forecast

Today
Sunny, with a high near 27. Southwest wind 14 to 17 mph, with gusts as high as 24 mph.
Tonight
Partly cloudy, with a low around 18. Southwest wind 17 to 21 mph, with gusts as high as 26 mph.
Saturday
Partly sunny, with a high near 29. Breezy, with a south southwest wind around 22 mph, with gusts as high as 32 mph.
Saturday Night
Mostly cloudy, with a low around 24. Breezy, with a south southwest wind around 24 mph, with gusts as high as 33 mph.
Sunday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 31. Breezy, with a south southwest wind 22 to 24 mph, with gusts as high as 37 mph.
Sunday Night
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 22. Breezy, with a south southwest wind 21 to 24 mph, with gusts as high as 33 mph.
Washington's Birthday
A 30 percent chance of snow after 11am. Partly sunny, with a high near 31. Breezy, with a south wind 21 to 25 mph, with gusts as high as 38 mph. New snow accumulation of less than a half inch possible.
Monday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 25. South wind 14 to 17 mph, with gusts as high as 30 mph.
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.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 12.
Thursday
Snow likely. Mostly cloudy, with a high near 18.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles ESE Big Sky MT
 45.23°N 111.07°W (Elev. 9354 ft)
4:17 am MST Feb 13, 2026
8am MST Feb 13, 2026-6pm MST Feb 19, 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