National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

31°F

-1°C

Humidity 74%
Wind Speed NNW 3 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 14 Apr 12:30 AM MDT
Extended Forecast for

13 Miles ESE Big Sky MT

Winter Storm Watch April 15, 06:00pm until April 17, 06:00am
Click here for hazard details and duration
Winter Storm Watch

  • Overnight

    Overnight: Mostly cloudy, with a low around 23. West southwest wind around 14 mph, with gusts as high as 18 mph.

    Low: 23 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 36. Breezy, with a southwest wind 13 to 18 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 36 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after 5am. Partly cloudy, with a low around 26. Breezy, with a southwest wind around 26 mph, with gusts as high as 37 mph.

    Low: 26 °F

    Breezy.
    Partly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Snow likely, mainly after noon. Mostly cloudy, with a high near 34. Windy, with a south southwest wind 25 to 33 mph, with gusts as high as 50 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Snow Likely
    and Windy

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times. Widespread blowing snow, mainly between midnight and 3am. Low around 20. Windy, with a south southwest wind 24 to 33 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 20 °F

    Heavy Snow
    and Blowing
    Snow

  • Thursday

    Thursday: Snow. The snow could be heavy at times. Patchy blowing snow. High near 20. West wind around 18 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    High: 20 °F

    Heavy Snow
    and Patchy
    Blowing Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly before midnight. Patchy blowing snow before 9pm. Mostly cloudy, with a low around 8. North northwest wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 8 °F

    Snow Likely
    and Patchy
    Blowing Snow
    then Chance
    Snow

  • Friday

    Friday: Snow likely, mainly after noon. Mostly cloudy, with a high near 22. West northwest wind 14 to 20 mph, with gusts as high as 31 mph.

    High: 22 °F

    Snow Likely

  • Friday Night

    Friday Night: A chance of snow before midnight. Mostly cloudy, with a low around 12.

    Low: 12 °F

    Chance Snow
    then Partly
    Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 23. West southwest wind around 14 mph, with gusts as high as 18 mph.
Tuesday
Partly sunny, with a high near 36. Breezy, with a southwest wind 13 to 18 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 36 mph.
Tuesday Night
A 20 percent chance of snow after 5am. Partly cloudy, with a low around 26. Breezy, with a southwest wind around 26 mph, with gusts as high as 37 mph.
Wednesday
Snow likely, mainly after noon. Mostly cloudy, with a high near 34. Windy, with a south southwest wind 25 to 33 mph, with gusts as high as 50 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow. The snow could be heavy at times. Widespread blowing snow, mainly between midnight and 3am. Low around 20. Windy, with a south southwest wind 24 to 33 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Thursday
Snow. The snow could be heavy at times. Patchy blowing snow. High near 20. West wind around 18 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Thursday Night
Snow likely, mainly before midnight. Patchy blowing snow before 9pm. Mostly cloudy, with a low around 8. North northwest wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Friday
Snow likely, mainly after noon. Mostly cloudy, with a high near 22. West northwest wind 14 to 20 mph, with gusts as high as 31 mph.
Friday Night
A chance of snow before midnight. Mostly cloudy, with a low around 12.
Saturday
Sunny, with a high near 32.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Sunny, with a high near 41.
Sunday Night
Partly cloudy, with a low around 28.
Monday
A slight chance of snow. Mostly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles ESE Big Sky MT
 45.23°N 111.07°W (Elev. 9354 ft)
Last Update:
12:31 am MDT Apr 14, 2026
Forecast Valid:
1am MDT Apr 14, 2026-6pm MDT Apr 20, 2026
 
Forecast Discussion
 
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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