Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

48°F

9°C

Humidity 46%
Wind Speed S 17 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Wind Chill42°F (6°C)
Last update 15 Apr 03:00 PM MDT
Extended Forecast for

14 Miles ESE Big Sky MT

Winter Storm Warning April 15, 06:00pm until April 17, 12:00am
Click here for hazard details and duration
Winter Storm Warning
  • This Afternoon

    This Afternoon: Snow showers likely.  Mostly cloudy, with a high near 32. Windy, with a south southwest wind around 31 mph, with gusts as high as 49 mph.  Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

    High: 32 °F

    Snow Showers
    Likely and
    Windy

  • Tonight

    Tonight: Snow showers, mainly before midnight, then snow after midnight. The snow could be heavy at times. Some thunder is also possible.  Widespread blowing snow, mainly before midnight. Low around 15. Windy, with a south southwest wind 26 to 31 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 46 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 15 °F

    Heavy Snow
    and Blowing
    Snow

  • Thursday

    Thursday: Snow before noon, then snow showers after noon.  High near 18. Wind chill values as low as zero. West wind around 16 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    High: 18 °F

    Snow

  • Thursday Night

    Thursday Night: Snow showers likely before midnight, then a slight chance of snow after midnight.  Mostly cloudy, with a low around 8. Wind chill values as low as -10. Northwest wind 13 to 16 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 8 °F

    Snow Showers
    Likely then
    Slight Chance
    Snow

  • Friday

    Friday: Snow, mainly after noon.  High near 21. Northwest wind 13 to 16 mph, with gusts as high as 28 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 21 °F

    Chance Snow
    then Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow before midnight.  Mostly cloudy, with a low around 10. West southwest wind 10 to 16 mph, with gusts as high as 25 mph.  New snow accumulation of less than a half inch possible.

    Low: 10 °F

    Chance Snow
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 31. Southwest wind 13 to 17 mph, with gusts as high as 28 mph.

    High: 31 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 18. South southwest wind around 17 mph, with gusts as high as 26 mph.

    Low: 18 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

Detailed Forecast

This Afternoon
Snow showers likely. Mostly cloudy, with a high near 32. Windy, with a south southwest wind around 31 mph, with gusts as high as 49 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow showers, mainly before midnight, then snow after midnight. The snow could be heavy at times. Some thunder is also possible. Widespread blowing snow, mainly before midnight. Low around 15. Windy, with a south southwest wind 26 to 31 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 46 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Thursday
Snow before noon, then snow showers after noon. High near 18. Wind chill values as low as zero. West wind around 16 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Thursday Night
Snow showers likely before midnight, then a slight chance of snow after midnight. Mostly cloudy, with a low around 8. Wind chill values as low as -10. Northwest wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Friday
Snow, mainly after noon. High near 21. Northwest wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Friday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 10. West southwest wind 10 to 16 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.
Saturday
Sunny, with a high near 31. Southwest wind 13 to 17 mph, with gusts as high as 28 mph.
Saturday Night
Partly cloudy, with a low around 18. South southwest wind around 17 mph, with gusts as high as 26 mph.
Sunday
Sunny, with a high near 41.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
A slight chance of snow. Mostly sunny, with a high near 50.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 32.
Wednesday
A chance of snow. Partly sunny, with a high near 44.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles ESE Big Sky MT
 45.17°N 111.09°W (Elev. 9400 ft)
2:26 pm MDT Apr 15, 2026
3pm MDT Apr 15, 2026-6pm MDT Apr 22, 2026
 
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Additional Resources

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