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

Critical Fire Weather and Severe Thunderstorm Threats This Week

Gusty winds and low relative humidity will contribute to critical fire weather Monday over parts of the central and southern High Plains. Scattered to widespread severe thunderstorms may bring damaging winds, large hail, and tornadoes Monday through Thursday over the lower Mississippi River Valley and southern Plains into the Midwest and Ohio Valley. 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 67%
Wind Speed NNW 4 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Wind Chill30°F (-1°C)
Last update 09 Mar 02:45 AM MDT
Extended Forecast for

6 Miles ESE Big Sky MT

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 34. South southwest wind around 15 mph, with gusts as high as 22 mph.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of snow, mainly between 10am and 5pm. Partly sunny, with a high near 39. Breezy, with a west wind 15 to 22 mph, with gusts as high as 32 mph. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Chance Snow
    and Breezy

  • Monday Night

    Monday Night: A slight chance of snow before 1am, then a chance of snow after 4am. Mostly cloudy, with a low around 19. West wind 10 to 15 mph becoming light and variable. Winds could gust as high as 24 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 19 °F

    Chance Snow

  • Tuesday

    Tuesday: Snow likely, mainly between noon and 1pm. Mostly cloudy, with a high near 25. South southwest wind 5 to 14 mph becoming northwest in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 25 °F

    Snow Likely

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 9. Southwest wind 7 to 14 mph, with gusts as high as 20 mph.

    Low: 9 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 34. South southwest wind 5 to 15 mph, with gusts as high as 29 mph.

    High: 34 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 29. Southwest wind 10 to 14 mph, with gusts as high as 29 mph. Little or no snow accumulation expected.

    Low: 29 °F

    Chance Snow

  • Thursday

    Thursday: A chance of snow. Mostly cloudy, with a high near 44. Breezy, with a west southwest wind 11 to 16 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 41 mph.

    High: 44 °F

    Chance Snow
    and Breezy

  • Thursday Night

    Thursday Night: A chance of snow. Cloudy, with a low around 34.

    Low: 34 °F

    Chance Snow

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 34. South southwest wind around 15 mph, with gusts as high as 22 mph.
Monday
A 30 percent chance of snow, mainly between 10am and 5pm. Partly sunny, with a high near 39. Breezy, with a west wind 15 to 22 mph, with gusts as high as 32 mph. New snow accumulation of less than a half inch possible.
Monday Night
A slight chance of snow before 1am, then a chance of snow after 4am. Mostly cloudy, with a low around 19. West wind 10 to 15 mph becoming light and variable. Winds could gust as high as 24 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday
Snow likely, mainly between noon and 1pm. Mostly cloudy, with a high near 25. South southwest wind 5 to 14 mph becoming northwest in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday Night
Partly cloudy, with a low around 9. Southwest wind 7 to 14 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 34. South southwest wind 5 to 15 mph, with gusts as high as 29 mph.
Wednesday Night
A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 29. Southwest wind 10 to 14 mph, with gusts as high as 29 mph. Little or no snow accumulation expected.
Thursday
A chance of snow. Mostly cloudy, with a high near 44. Breezy, with a west southwest wind 11 to 16 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 41 mph.
Thursday Night
A chance of snow. Cloudy, with a low around 34.
Friday
A chance of snow. Mostly cloudy, with a high near 44.
Friday Night
A chance of rain and snow. Cloudy, with a low around 36.
Saturday
Snow. Mostly cloudy, with a high near 45.
Saturday Night
Snow likely. Mostly cloudy, with a low around 26.
Sunday
A chance of snow. Mostly cloudy, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Big Sky MT
 45.24°N 111.22°W (Elev. 7129 ft)
Last Update:
3:02 am MDT Mar 9, 2026
Forecast Valid:
3am MDT Mar 9, 2026-6pm MDT Mar 15, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation