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

Fire Weather Concerns for the Plains; Thunderstorms in the Southeast; Record Warmth Spreads in the Southwest

Elevated to locally critical conditions will persist across the High Plains. Showers and scattered thunderstorms are expected over parts of the Southeast and Florida Peninsula. Clipper system will bring modest snowfall and strong winds from the Northern High Plains into the Upper Midwest this weekend. Record warmth will persist across the Southwest into the southern Plains. Read More >

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

41°F

5°C

Humidity 35%
Wind Speed S 3 MPH
Barometer NA
Dewpoint 15°F (-9°C)
Visibility NA
Last update 26 Feb 08:30 PM MST
Extended Forecast for

15 Miles ENE Big Sky MT

  • Tonight

    Tonight: Mostly clear, with a low around 22. Breezy, with a west southwest wind 26 to 29 mph, with gusts as high as 41 mph.

    Low: 22 °F

    Mostly Clear
    and Breezy

  • Friday

    Friday: Sunny, with a high near 32. Windy, with a west southwest wind 26 to 30 mph, with gusts as high as 45 mph.

    High: 32 °F

    Sunny and
    Windy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 22. Breezy, with a west southwest wind 23 to 28 mph, with gusts as high as 44 mph.

    Low: 22 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 35. Breezy, with a west southwest wind 18 to 22 mph, with gusts as high as 31 mph.

    High: 35 °F

    Sunny and
    Breezy then
    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 22. Southwest wind 14 to 17 mph, with gusts as high as 26 mph.

    Low: 22 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 35. West wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 35 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 22. Southwest wind around 11 mph.

    Low: 22 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 36. Southwest wind 8 to 11 mph becoming west northwest in the afternoon.

    High: 36 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 22. Breezy, with a west southwest wind 26 to 29 mph, with gusts as high as 41 mph.
Friday
Sunny, with a high near 32. Windy, with a west southwest wind 26 to 30 mph, with gusts as high as 45 mph.
Friday Night
Partly cloudy, with a low around 22. Breezy, with a west southwest wind 23 to 28 mph, with gusts as high as 44 mph.
Saturday
Mostly sunny, with a high near 35. Breezy, with a west southwest wind 18 to 22 mph, with gusts as high as 31 mph.
Saturday Night
Mostly cloudy, with a low around 22. Southwest wind 14 to 17 mph, with gusts as high as 26 mph.
Sunday
Partly sunny, with a high near 35. West wind 9 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 22. Southwest wind around 11 mph.
Monday
Partly sunny, with a high near 36. Southwest wind 8 to 11 mph becoming west northwest in the afternoon.
Monday Night
Partly cloudy, with a low around 22.
Tuesday
Sunny, with a high near 39.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
A chance of snow. Partly sunny, with a high near 38.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 24.
Thursday
Snow likely. Mostly cloudy, with a high near 28.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ENE Big Sky MT
 45.32°N 111.05°W (Elev. 8901 ft)
Last Update:
8:02 pm MST Feb 26, 2026
Forecast Valid:
8pm MST Feb 26, 2026-6pm MST Mar 5, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation