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

PNS26-03: Soliciting Comments through February 9, 2026 on the Discontinuation of the State Forecast Product (SFP)

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Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

32°F

0°C

Humidity 82%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 05 Feb 06:30 PM MST
Extended Forecast for

15 Miles ENE Big Sky MT

  • Tonight

    Tonight: Mostly clear, with a low around 30. West southwest wind 9 to 13 mph becoming south in the evening.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 41. South southwest wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 41 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 28. Southwest wind around 14 mph, with gusts as high as 21 mph.

    Low: 28 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 37. West wind 13 to 16 mph, with gusts as high as 23 mph.

    High: 37 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 26. Southwest wind 15 to 17 mph, with gusts as high as 24 mph.

    Low: 26 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 35. South southwest wind 18 to 20 mph, with gusts as high as 31 mph.

    High: 35 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of snow after 11pm. Mostly cloudy, with a low around 29. Breezy, with a south southwest wind around 22 mph, with gusts as high as 33 mph. New snow accumulation of less than one inch possible.

    Low: 29 °F

    Chance Snow
    and Breezy

  • Monday

    Monday: Snow. Mostly cloudy, with a high near 29. South southwest wind 17 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.

    High: 29 °F

    Snow

  • Monday Night

    Monday Night: A chance of snow. Mostly cloudy, with a low around 15.

    Low: 15 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 30. West southwest wind 9 to 13 mph becoming south in the evening.
Friday
Sunny, with a high near 41. South southwest wind 10 to 13 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 28. Southwest wind around 14 mph, with gusts as high as 21 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 37. West wind 13 to 16 mph, with gusts as high as 23 mph.
Saturday Night
Mostly cloudy, with a low around 26. Southwest wind 15 to 17 mph, with gusts as high as 24 mph.
Sunday
Partly sunny, with a high near 35. South southwest wind 18 to 20 mph, with gusts as high as 31 mph.
Sunday Night
A 30 percent chance of snow after 11pm. Mostly cloudy, with a low around 29. Breezy, with a south southwest wind around 22 mph, with gusts as high as 33 mph. New snow accumulation of less than one inch possible.
Monday
Snow. Mostly cloudy, with a high near 29. South southwest wind 17 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.
Monday Night
A chance of snow. Mostly cloudy, with a low around 15.
Tuesday
A chance of snow. Mostly cloudy, with a high near 22.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 13.
Wednesday
A chance of snow. Partly sunny, with a high near 23.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 12.
Thursday
A slight chance of snow. Mostly sunny, with a high near 23.
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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:
3:43 pm MST Feb 5, 2026
Forecast Valid:
6pm MST Feb 5, 2026-6pm MST Feb 12, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation