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 52%
Wind Speed SE 4 MPH
Barometer NA
Dewpoint 2°F (-17°C)
Visibility NA
Wind Chill11°F (-12°C)
Last update 11 Mar 09:00 AM MDT
Extended Forecast for

13 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 23. Wind chill values as low as -10. Windy, with a west southwest wind 25 to 33 mph, with gusts as high as 49 mph.

    High: 23 °F

    Partly Sunny
    and Windy

  • Tonight

    Tonight: A 40 percent chance of snow after 3am. Mostly cloudy, with a temperature rising to around 27 by 5am. Windy, with a southwest wind 36 to 40 mph, with gusts as high as 55 mph. New snow accumulation of less than a half inch possible.

    Low: 21 °F⇑

    Chance Snow
    and Windy

  • Thursday

    Thursday: Snow likely, mainly after noon. Areas of blowing snow after noon. Mostly cloudy, with a high near 33. Very windy, with a west southwest wind 40 to 45 mph, with gusts as high as 65 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Snow Likely
    and Areas
    Blowing Snow

  • Thursday Night

    Thursday Night: Snow likely. Areas of blowing snow. Mostly cloudy, with a low around 28. Windy, with a west wind 38 to 43 mph decreasing to 32 to 37 mph after midnight. Winds could gust as high as 65 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 28 °F

    Snow Likely
    and Areas
    Blowing Snow

  • Friday

    Friday: Snow. High near 34. Windy, with a west southwest wind 31 to 34 mph, with gusts as high as 49 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 34 °F

    Snow and
    Windy

  • Friday Night

    Friday Night: Snow. Low around 30. Windy, with a west southwest wind 25 to 33 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 30 °F

    Snow and
    Windy

  • Saturday

    Saturday: Snow. High near 31. Windy, with a west southwest wind 26 to 34 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 31 °F

    Snow and
    Windy

  • Saturday Night

    Saturday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 10. Windy, with a west northwest wind 32 to 37 mph decreasing to 20 to 25 mph after midnight. Winds could gust as high as 50 mph.

    Low: 10 °F

    Snow Likely
    and Windy

  • Sunday

    Sunday: A chance of snow. Mostly cloudy, with a high near 22.

    High: 22 °F

    Chance Snow

Detailed Forecast

Today
Partly sunny, with a high near 23. Wind chill values as low as -10. Windy, with a west southwest wind 25 to 33 mph, with gusts as high as 49 mph.
Tonight
A 40 percent chance of snow after 3am. Mostly cloudy, with a temperature rising to around 27 by 5am. Windy, with a southwest wind 36 to 40 mph, with gusts as high as 55 mph. New snow accumulation of less than a half inch possible.
Thursday
Snow likely, mainly after noon. Areas of blowing snow after noon. Mostly cloudy, with a high near 33. Very windy, with a west southwest wind 40 to 45 mph, with gusts as high as 65 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday Night
Snow likely. Areas of blowing snow. Mostly cloudy, with a low around 28. Windy, with a west wind 38 to 43 mph decreasing to 32 to 37 mph after midnight. Winds could gust as high as 65 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday
Snow. High near 34. Windy, with a west southwest wind 31 to 34 mph, with gusts as high as 49 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Friday Night
Snow. Low around 30. Windy, with a west southwest wind 25 to 33 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Saturday
Snow. High near 31. Windy, with a west southwest wind 26 to 34 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Saturday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 10. Windy, with a west northwest wind 32 to 37 mph decreasing to 20 to 25 mph after midnight. Winds could gust as high as 50 mph.
Sunday
A chance of snow. Mostly cloudy, with a high near 22.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 19.
Monday
Snow likely. Mostly cloudy, with a high near 35. Breezy.
Monday Night
A chance of snow. Mostly cloudy, with a low around 32. Breezy.
Tuesday
A slight chance of snow. Partly sunny, with a high near 46. Breezy.
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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:
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