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

Active Spring Like Pattern Across the Country

A frontal boundary will slowly move eastward and clear most of the eastern seaboard by Sunday. Showers and thunderstorms, some severe, will accompany this front alongside the threat of heavy rainfall; These threats may linger along the Gulf Coast states into early next week. Meanwhile, record spring-like warmth is forecast, mainly east of the Mississippi River, this weekend into next week. Read More >

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

34°F

1°C

Humidity 80%
Wind Speed SSE 9 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Wind Chill27°F (-3°C)
Last update 07 Mar 12:00 PM MST
Extended Forecast for

13 Miles ESE Big Sky MT

  • This Afternoon

    This Afternoon: A 30 percent chance of snow, mainly before 1pm. Areas of blowing snow. Mostly cloudy, with a high near 30. Breezy, with a west southwest wind 21 to 23 mph, with gusts as high as 31 mph. Total daytime snow accumulation of 1 to 3 inches possible.

    High: 30 °F

    Chance Snow
    and Areas
    Blowing Snow

  • Tonight

    Tonight: Patchy blowing snow. Mostly cloudy, then gradually becoming mostly clear, with a low around 28. Windy, with a west southwest wind 25 to 31 mph, with gusts as high as 38 mph.

    Low: 28 °F

    Patchy
    Blowing Snow
    and Windy

  • Sunday

    Sunday: Patchy blowing snow before 11am. Mostly sunny, with a high near 36. Windy, with a west southwest wind 32 to 34 mph, with gusts as high as 48 mph.

    High: 36 °F

    Windy. Patchy
    Blowing Snow
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 29. Windy, with a southwest wind 31 to 36 mph, with gusts as high as 48 mph.

    Low: 29 °F

    Partly Cloudy
    and Windy

  • Monday

    Monday: A 50 percent chance of snow. Partly sunny, with a high near 33. Windy, with a southwest wind 29 to 32 mph, with gusts as high as 48 mph. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Chance Snow
    and Windy

  • Monday Night

    Monday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 13. Breezy, with a west wind 24 to 29 mph decreasing to 14 to 19 mph in the evening. Winds could gust as high as 43 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 13 °F

    Snow Likely
    and Breezy

  • Tuesday

    Tuesday: Snow. High near 17. Breezy, with a west wind 14 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 17 °F

    Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 7. Southwest wind 13 to 21 mph, with gusts as high as 40 mph.

    Low: 7 °F

    Chance Snow

  • Wednesday

    Wednesday: A slight chance of snow. Partly sunny, with a high near 25. Breezy.

    High: 25 °F

    Slight Chance
    Snow and
    Breezy

Detailed Forecast

This Afternoon
A 30 percent chance of snow, mainly before 1pm. Areas of blowing snow. Mostly cloudy, with a high near 30. Breezy, with a west southwest wind 21 to 23 mph, with gusts as high as 31 mph. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Patchy blowing snow. Mostly cloudy, then gradually becoming mostly clear, with a low around 28. Windy, with a west southwest wind 25 to 31 mph, with gusts as high as 38 mph.
Sunday
Patchy blowing snow before 11am. Mostly sunny, with a high near 36. Windy, with a west southwest wind 32 to 34 mph, with gusts as high as 48 mph.
Sunday Night
Partly cloudy, with a low around 29. Windy, with a southwest wind 31 to 36 mph, with gusts as high as 48 mph.
Monday
A 50 percent chance of snow. Partly sunny, with a high near 33. Windy, with a southwest wind 29 to 32 mph, with gusts as high as 48 mph. New snow accumulation of less than a half inch possible.
Monday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 13. Breezy, with a west wind 24 to 29 mph decreasing to 14 to 19 mph in the evening. Winds could gust as high as 43 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Tuesday
Snow. High near 17. Breezy, with a west wind 14 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Tuesday Night
A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 7. Southwest wind 13 to 21 mph, with gusts as high as 40 mph.
Wednesday
A slight chance of snow. Partly sunny, with a high near 25. Breezy.
Wednesday Night
A chance of snow after 11pm. Mostly cloudy, with a low around 25. Breezy.
Thursday
A chance of snow. Mostly cloudy, with a high near 36. Windy.
Thursday Night
Snow likely. Mostly cloudy, with a low around 25. Windy.
Friday
Snow likely. Mostly cloudy, with a high near 28. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles ESE Big Sky MT
 45.23°N 111.07°W (Elev. 9354 ft)
Last Update:
11:42 am MST Mar 7, 2026
Forecast Valid:
12pm MST Mar 7, 2026-6pm MDT Mar 13, 2026
 
Forecast Discussion
 
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