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

15°F

-9°C

Humidity 69%
Wind Speed NW 2 MPH
Barometer NA
Dewpoint 7°F (-14°C)
Visibility NA
Last update 17 Jan 04:45 AM MST
Extended Forecast for

12 Miles NE Big Sky MT

  • Today

    Today: Sunny, with a high near 40. Calm wind becoming west southwest around 5 mph.

    High: 40 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 19. South wind around 5 mph becoming calm in the evening.

    Low: 19 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 31. Light and variable wind.

    High: 31 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 12. Calm wind.

    Low: 12 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 35. Light west southwest wind.

    High: 35 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 19. South southwest wind 3 to 6 mph.

    Low: 19 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 36. South southwest wind around 6 mph becoming west in the afternoon.

    High: 36 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 14. Light west southwest wind.

    Low: 14 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 40. Calm wind becoming west southwest around 5 mph.
Tonight
Mostly clear, with a low around 19. South wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 31. Light and variable wind.
Sunday Night
Partly cloudy, with a low around 12. Calm wind.
M.L.King Day
Sunny, with a high near 35. Light west southwest wind.
Monday Night
Partly cloudy, with a low around 19. South southwest wind 3 to 6 mph.
Tuesday
Partly sunny, with a high near 36. South southwest wind around 6 mph becoming west in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 14. Light west southwest wind.
Wednesday
Partly sunny, with a high near 27.
Wednesday Night
Partly cloudy, with a low around 9.
Thursday
Mostly sunny, with a high near 30.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 9.
Friday
A chance of snow. Partly sunny, with a high near 25.
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:
3:48 am MST Jan 17, 2026
Forecast Valid:
5am MST Jan 17, 2026-6pm MST Jan 23, 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