Severe Thunderstorm and Flash Flood Threats Continue into the Weekend

Severe thunderstorms are expected from the southern Plains to the Midwest through Friday night. Severe storm hazards may include large hail, severe winds, and tornadoes, some of which may be strong. There will be another chance for severe thunderstorms on Saturday for portions of Texas, the Lower Mississippi Valley, and the Ohio Valley. Storms could result in locally heavy rain and flash flooding. Read More >

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

15°F

-9°C

Humidity 95%
Wind Speed NNW 5 MPH
Barometer NA
Dewpoint 14°F (-10°C)
Visibility NA
Wind Chill7°F (-14°C)
Last update 07 Mar 04:15 AM MST
Extended Forecast for

15 Miles ENE Big Sky MT

  • Today

    Today: A 50 percent chance of snow, mainly before 1pm. The snow could be heavy at times.  Patchy blowing snow. Mostly cloudy, with a high near 30. Wind chill values as low as zero. West southwest wind 17 to 21 mph, with gusts as high as 31 mph.  Total daytime snow accumulation of 3 to 5 inches possible.

    High: 30 °F

    Heavy Snow
    and Patchy
    Blowing Snow

  • Tonight

    Tonight: Patchy blowing snow. Mostly cloudy, then gradually becoming mostly clear, with a low around 27. Breezy, with a west wind 22 to 25 mph, with gusts as high as 36 mph.

    Low: 27 °F

    Patchy
    Blowing Snow
    and Breezy

  • Sunday

    Sunday: Patchy blowing snow before 11am. Mostly sunny, with a high near 39. Breezy, with a west southwest wind 25 to 28 mph, with gusts as high as 46 mph.

    High: 39 °F

    Breezy.
    Patchy
    Blowing Snow
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of snow.  Partly cloudy, with a low around 28. Windy, with a southwest wind 26 to 30 mph, with gusts as high as 45 mph.

    Low: 28 °F

    Slight Chance
    Snow and
    Windy

  • Monday

    Monday: Snow likely, mainly after 11am.  Partly sunny, with a high near 31. Breezy, with a southwest wind 23 to 25 mph, with gusts as high as 43 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 31 °F

    Snow Likely
    and Breezy

  • Monday Night

    Monday Night: Snow likely, mainly before 11pm.  Mostly cloudy, with a low around 13. Breezy, with a west wind 19 to 24 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 38 mph.  Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 13 °F

    Snow Likely
    and Breezy

  • Tuesday

    Tuesday: Snow likely.  Mostly cloudy, with a high near 16. Breezy, with a west wind 13 to 23 mph, with gusts as high as 37 mph.  Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 16 °F

    Snow Likely
    and Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of snow.  Mostly cloudy, with a low around 9. Southwest wind 11 to 21 mph, with gusts as high as 40 mph.

    Low: 9 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: A chance of snow.  Mostly cloudy, with a high near 26. Breezy.

    High: 26 °F

    Chance Snow
    and Breezy

Detailed Forecast

Today
A 50 percent chance of snow, mainly before 1pm. The snow could be heavy at times. Patchy blowing snow. Mostly cloudy, with a high near 30. Wind chill values as low as zero. West southwest wind 17 to 21 mph, with gusts as high as 31 mph. Total daytime snow accumulation of 3 to 5 inches possible.
Tonight
Patchy blowing snow. Mostly cloudy, then gradually becoming mostly clear, with a low around 27. Breezy, with a west wind 22 to 25 mph, with gusts as high as 36 mph.
Sunday
Patchy blowing snow before 11am. Mostly sunny, with a high near 39. Breezy, with a west southwest wind 25 to 28 mph, with gusts as high as 46 mph.
Sunday Night
A 20 percent chance of snow. Partly cloudy, with a low around 28. Windy, with a southwest wind 26 to 30 mph, with gusts as high as 45 mph.
Monday
Snow likely, mainly after 11am. Partly sunny, with a high near 31. Breezy, with a southwest wind 23 to 25 mph, with gusts as high as 43 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 13. Breezy, with a west wind 19 to 24 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Tuesday
Snow likely. Mostly cloudy, with a high near 16. Breezy, with a west wind 13 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 9. Southwest wind 11 to 21 mph, with gusts as high as 40 mph.
Wednesday
A chance of snow. Mostly cloudy, with a high near 26. Breezy.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 24. Breezy.
Thursday
A chance of snow. Mostly cloudy, with a high near 36. Windy.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 25. Windy.
Friday
A chance of snow. Mostly cloudy, with a high near 31. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ENE Big Sky MT
 45.32°N 111.05°W (Elev. 8901 ft)
2:42 am MST Mar 7, 2026
4am MST Mar 7, 2026-6pm MDT Mar 13, 2026
 
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Additional Resources

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