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)

Read More >

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

20°F

-7°C

Humidity 99%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Last update 15 Jan 02:15 AM MST
Extended Forecast for

12 Miles NE Big Sky MT

  • Overnight

    Overnight: Partly cloudy, with a low around 26. South southwest wind around 8 mph.

    Low: 26 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 43. Southwest wind 8 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 43 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly before 11pm. Partly cloudy, with a low around 14. Northwest wind 6 to 8 mph. New snow accumulation of less than a half inch possible.

    Low: 14 °F

    Chance Snow

  • Friday

    Friday: Mostly sunny, with a high near 29. Northwest wind around 6 mph becoming calm in the morning.

    High: 29 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 17. Calm wind.

    Low: 17 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 42. Calm wind.

    High: 42 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 21. Calm wind.

    Low: 21 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 39. Calm wind.

    High: 39 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 26. South southwest wind around 8 mph.
Thursday
Sunny, with a high near 43. Southwest wind 8 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
A 30 percent chance of snow, mainly before 11pm. Partly cloudy, with a low around 14. Northwest wind 6 to 8 mph. New snow accumulation of less than a half inch possible.
Friday
Mostly sunny, with a high near 29. Northwest wind around 6 mph becoming calm in the morning.
Friday Night
Partly cloudy, with a low around 17. Calm wind.
Saturday
Sunny, with a high near 42. Calm wind.
Saturday Night
Clear, with a low around 21. Calm wind.
Sunday
Sunny, with a high near 39. Calm wind.
Sunday Night
Mostly clear, with a low around 17.
M.L.King Day
Sunny, with a high near 39.
Monday Night
Mostly clear, with a low around 22.
Tuesday
Mostly sunny, with a high near 40.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
Partly sunny, with a high near 38.
Basemap Options
Click map to change the forecast location
Loading map...
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:
2:18 am MST Jan 15, 2026
Forecast Valid:
2am MST Jan 15, 2026-6pm MST Jan 21, 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