Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

57°F

14°C

Humidity 32%
Wind Speed NW 5 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 05 Apr 06:15 PM MDT
Extended Forecast for

6 Miles ESE Big Sky MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. Light south southeast wind.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 53. Calm wind becoming west around 5 mph.

    High: 53 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. South southwest wind 3 to 5 mph.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain after noon.  Mostly sunny, with a high near 55. Southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 37 mph.

    High: 55 °F

    Mostly Sunny
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow before 9pm, then a slight chance of snow between 9pm and midnight.  Mostly cloudy, with a low around 26. West wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 34 mph.  Chance of precipitation is 20%.

    Low: 26 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 46. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 46 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27. West wind around 6 mph becoming calm  in the evening. Winds could gust as high as 18 mph.

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of snow after noon.  Sunny, with a high near 51. Calm wind becoming west around 6 mph in the afternoon.

    High: 51 °F

    Sunny then
    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 32. Light south southeast wind.
Monday
Mostly sunny, with a high near 53. Calm wind becoming west around 5 mph.
Monday Night
Partly cloudy, with a low around 34. South southwest wind 3 to 5 mph.
Tuesday
A 30 percent chance of rain after noon. Mostly sunny, with a high near 55. Southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 37 mph.
Tuesday Night
A slight chance of rain and snow before 9pm, then a slight chance of snow between 9pm and midnight. Mostly cloudy, with a low around 26. West wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 46. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 27. West wind around 6 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Thursday
A slight chance of snow after noon. Sunny, with a high near 51. Calm wind becoming west around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 30.
Friday
A slight chance of rain after noon. Mostly sunny, with a high near 56.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 36.
Saturday
A chance of rain. Partly sunny, with a high near 57.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 36.
Sunday
Rain and snow likely. Partly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Big Sky MT
 45.24°N 111.22°W (Elev. 7129 ft)
4:22 pm MDT Apr 5, 2026
6pm MDT Apr 5, 2026-6pm MDT Apr 12, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database