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

Severe Thunderstorms and Heavy Rainfall from the Lower Mississippi Valley to the Mid-Atlantic; Active Pattern Continues in Hawaii

Scattered severe thunderstorms are expected today from the ArkLaTex and Lower Mississippi Valley through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat today from east Texas into New York. A powerful kona storm will continue to impact Hawaii through Saturday, bringing heavy rainfall, strong winds, and severe thunderstorms. Read More >

Hazardous Weather Conditions

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

17°F

-8°C

Humidity 50%
Wind Speed SE 5 MPH
Barometer NA
Dewpoint 1°F (-17°C)
Visibility NA
Wind Chill9°F (-13°C)
Last update 11 Mar 09:15 AM MDT
Extended Forecast for

6 Miles ESE Big Sky MT

High Wind Warning March 12, 12:00am until March 12, 06:00pm
Click here for hazard details and duration
High Wind Warning

  • Today

    Today: Partly sunny, with a high near 33. Southwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 33 °F

    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of snow after 3am. Mostly cloudy, with a low around 28. South southwest wind 13 to 15 mph, with gusts as high as 33 mph. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance Snow

  • Thursday

    Thursday: Snow likely, mainly after noon. Mostly cloudy, with a high near 42. Breezy, with a west southwest wind 14 to 19 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 47 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Snow Likely
    and Breezy

  • Thursday Night

    Thursday Night: Snow likely. Cloudy, with a low around 33. West wind 16 to 21 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 43 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Snow Likely

  • Friday

    Friday: Snow. High near 42. West southwest wind 10 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Snow

  • Friday Night

    Friday Night: Snow likely. Cloudy, with a low around 34. West southwest wind 6 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 34 °F

    Snow Likely

  • Saturday

    Saturday: Snow. High near 39. West southwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 39 °F

    Snow

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around 14. West northwest wind 11 to 16 mph becoming light west after midnight. Winds could gust as high as 32 mph.

    Low: 14 °F

    Chance Snow

  • Sunday

    Sunday: A chance of snow. Mostly cloudy, with a high near 31.

    High: 31 °F

    Chance Snow

Detailed Forecast

Today
Partly sunny, with a high near 33. Southwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 31 mph.
Tonight
A 30 percent chance of snow after 3am. Mostly cloudy, with a low around 28. South southwest wind 13 to 15 mph, with gusts as high as 33 mph. New snow accumulation of less than a half inch possible.
Thursday
Snow likely, mainly after noon. Mostly cloudy, with a high near 42. Breezy, with a west southwest wind 14 to 19 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 47 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
Snow likely. Cloudy, with a low around 33. West wind 16 to 21 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 43 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday
Snow. High near 42. West southwest wind 10 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday Night
Snow likely. Cloudy, with a low around 34. West southwest wind 6 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday
Snow. High near 39. West southwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 14. West northwest wind 11 to 16 mph becoming light west after midnight. Winds could gust as high as 32 mph.
Sunday
A chance of snow. Mostly cloudy, with a high near 31.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 24.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 44.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 36.
Tuesday
A slight chance of rain and snow. Partly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Big Sky MT
 45.24°N 111.22°W (Elev. 7129 ft)
Last Update:
4:52 am MDT Mar 11, 2026
Forecast Valid:
9am MDT Mar 11, 2026-6pm MDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation