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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

28°F

-2°C

Humidity 53%
Wind Speed SE 8 MPH
Barometer NA
Dewpoint 13°F (-11°C)
Visibility NA
Wind Chill20°F (-7°C)
Last update 28 Jan 12:45 AM MST
Extended Forecast for

12 Miles NE Big Sky MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 18. Southeast wind around 8 mph.

    Low: 18 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of snow, mainly after 2pm.  Increasing clouds, with a high near 35. Southeast wind 5 to 7 mph becoming light and variable.  New snow accumulation of less than a half inch possible.

    High: 35 °F

    Partly Sunny
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow before 11pm.  Mostly cloudy, with a low around 17. Light southwest wind.

    Low: 17 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 35. South southwest wind 3 to 5 mph.

    High: 35 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 21. Light southwest wind.

    Low: 21 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 38. South southwest wind 3 to 6 mph.

    High: 38 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 26. South wind around 6 mph.

    Low: 26 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 41. West wind around 6 mph.

    High: 41 °F

    Partly Sunny

  • Saturday Night

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

    Low: 22 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 18. Southeast wind around 8 mph.
Wednesday
A 50 percent chance of snow, mainly after 2pm. Increasing clouds, with a high near 35. Southeast wind 5 to 7 mph becoming light and variable. New snow accumulation of less than a half inch possible.
Wednesday Night
A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 17. Light southwest wind.
Thursday
Partly sunny, with a high near 35. South southwest wind 3 to 5 mph.
Thursday Night
Mostly cloudy, with a low around 21. Light southwest wind.
Friday
Mostly cloudy, with a high near 38. South southwest wind 3 to 6 mph.
Friday Night
Mostly cloudy, with a low around 26. South wind around 6 mph.
Saturday
Partly sunny, with a high near 41. West wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Partly sunny, with a high near 44.
Sunday Night
Mostly cloudy, with a low around 26.
Monday
A slight chance of snow. Partly sunny, with a high near 42.
Monday Night
A slight chance of snow. Mostly cloudy, with a low around 24.
Tuesday
Partly sunny, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NE Big Sky MT
 45.39°N 111.19°W (Elev. 6998 ft)
9:37 pm MST Jan 27, 2026
1am MST Jan 28, 2026-6pm MST Feb 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database