Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

35°F

2°C

Humidity 100%
Wind Speed N 1 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 31 Mar 05:30 PM MDT
Extended Forecast for

6 Miles ESE Big Sky MT

Winter Storm Watch April 2, 12:00pm until April 3, 12:00pm
Click here for hazard details and duration
Winter Storm Watch
  • This Afternoon

    This Afternoon: Rain, possibly mixed with snow showers. Some thunder is also possible.  High near 44. South southwest wind around 6 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow

  • Tonight

    Tonight: Rain, possibly mixed with snow, becoming all snow after 2am.  Low around 32. West southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Rain and snow before 4pm, then rain, possibly mixed with snow showers. Some thunder is also possible.  High near 46. Calm wind becoming south around 5 mph in the afternoon.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 46 °F

    Chance Snow
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 9pm.  Low around 33. South wind around 5 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow
    then Snow

  • Thursday

    Thursday: Snow.  High near 39. South wind 5 to 9 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 39 °F

    Snow

  • Thursday Night

    Thursday Night: Snow.  Low around 24. West northwest wind 3 to 7 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 24 °F

    Snow

  • Friday

    Friday: Snow likely, mainly before noon.  Mostly cloudy, with a high near 36. Calm wind becoming west northwest around 6 mph in the afternoon.  Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 36 °F

    Snow Likely
    then Chance
    Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 22. West wind around 5 mph becoming calm  in the evening.

    Low: 22 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

Detailed Forecast

This Afternoon
Rain, possibly mixed with snow showers. Some thunder is also possible. High near 44. South southwest wind around 6 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tonight
Rain, possibly mixed with snow, becoming all snow after 2am. Low around 32. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday
Rain and snow before 4pm, then rain, possibly mixed with snow showers. Some thunder is also possible. High near 46. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain and snow, becoming all snow after 9pm. Low around 33. South wind around 5 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday
Snow. High near 39. South wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Snow. Low around 24. West northwest wind 3 to 7 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Friday
Snow likely, mainly before noon. Mostly cloudy, with a high near 36. Calm wind becoming west northwest around 6 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Friday Night
Partly cloudy, with a low around 22. West wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 47.
Saturday Night
Mostly clear, with a low around 28.
Sunday
Sunny, with a high near 52.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 55.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 57.
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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 Mar 31, 2026
5pm MDT Mar 31, 2026-6pm MDT Apr 7, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database