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

Fire Weather Concerns; Record Warmth Spreads

The Plains to the mid-Mississippi Valley continue with warm and dry conditions. Any fires that initiate could spread quickly. The warm temperatures will expand across the Southern Plains into the Southwest where numerous records are expected through the weekend. Meanwhile, a cold front will move southward across the northern Plains and Great Lakes region where some snow will develop this weekend. Read More >

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

33°F

1°C

Humidity 47%
Wind Speed SE 10 MPH
Barometer NA
Dewpoint 15°F (-9°C)
Visibility NA
Wind Chill25°F (-4°C)
Last update 27 Feb 06:45 AM MST
Extended Forecast for

6 Miles ESE Big Sky MT

  • Today

    Today: Sunny, with a high near 40. South southeast wind 7 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 29 mph.

    High: 40 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 26. South wind 6 to 11 mph, with gusts as high as 24 mph.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 44. South southwest wind 5 to 8 mph, with gusts as high as 20 mph.

    High: 44 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 27. Southwest wind around 6 mph becoming calm in the evening.

    Low: 27 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow. Partly sunny, with a high near 44. Light south southwest wind.

    High: 44 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of snow after 11am. Mostly sunny, with a high near 45. Light and variable wind.

    High: 45 °F

    Slight Chance
    Snow

  • Monday Night

    Monday Night: Mostly clear, with a low around 24. Calm wind.

    Low: 24 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 40. South southeast wind 7 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 29 mph.
Tonight
Mostly clear, with a low around 26. South wind 6 to 11 mph, with gusts as high as 24 mph.
Saturday
Mostly sunny, with a high near 44. South southwest wind 5 to 8 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 27. Southwest wind around 6 mph becoming calm in the evening.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 44. Light south southwest wind.
Sunday Night
Mostly cloudy, with a low around 27. Calm wind.
Monday
A 20 percent chance of snow after 11am. Mostly sunny, with a high near 45. Light and variable wind.
Monday Night
Mostly clear, with a low around 24. Calm wind.
Tuesday
Sunny, with a high near 48.
Tuesday Night
Partly cloudy, with a low around 30.
Wednesday
A chance of snow. Mostly cloudy, with a high near 45.
Wednesday Night
Snow likely. Cloudy, with a low around 28.
Thursday
Snow likely. Mostly cloudy, with a high near 36.
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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:
3:47 am MST Feb 27, 2026
Forecast Valid:
7am MST Feb 27, 2026-6pm MST Mar 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation