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

Record Breaking Temperatures and Critical Fire Weather

More than 200 record or near record maximum temperatures are forecast across the southern half of the U.S. through the end of this week before additional record temperatures center back over the Southwest U.S. into the Rockies this weekend. Widespread record breaking warmth, low humidity, and gusty winds will produce critical fire weather today in the central Rockies to Plains. 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

36°F

2°C

Humidity NA
Wind Speed NNE 0 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

14 Miles ESE Big Sky MT

High Wind Warning March 25, 09:00am until March 25, 07:00pm
Red Flag Warning March 25, 12:00pm until March 25, 09:00pm
Click here for hazard details and duration
High Wind Warning
Red Flag Warning

  • Today

    Today: A slight chance of rain and snow between 3pm and 5pm. Partly sunny, with a high near 46. Windy, with a southwest wind 23 to 30 mph, with gusts as high as 43 mph. Chance of precipitation is 20%.

    High: 46 °F

    Slight Chance
    Rain/Snow and
    Windy

  • Tonight

    Tonight: A slight chance of rain and snow before 7pm, then a chance of snow after midnight. Mostly cloudy, with a low around 23. Breezy, with a west southwest wind 16 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Slight Chance
    Rain/Snow and
    Breezy then
    Chance Snow

  • Thursday

    Thursday: A 40 percent chance of snow before noon. Mostly cloudy through mid morning, then gradual clearing, with a high near 30. Breezy, with a west wind 17 to 22 mph, with gusts as high as 32 mph. New snow accumulation of less than a half inch possible.

    High: 30 °F

    Chance Snow
    then Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Clear, with a low around 16. Breezy, with a west wind 17 to 22 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 31 mph.

    Low: 16 °F

    Clear and
    Breezy then
    Clear

  • Friday

    Friday: Sunny, with a high near 40. South southwest wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 40 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26. Southwest wind around 14 mph, with gusts as high as 21 mph.

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 47. South southwest wind around 15 mph, with gusts as high as 24 mph.

    High: 47 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32. Southwest wind 15 to 17 mph, with gusts as high as 25 mph.

    Low: 32 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of rain and snow between 3pm and 5pm. Partly sunny, with a high near 46. Windy, with a southwest wind 23 to 30 mph, with gusts as high as 43 mph. Chance of precipitation is 20%.
Tonight
A slight chance of rain and snow before 7pm, then a chance of snow after midnight. Mostly cloudy, with a low around 23. Breezy, with a west southwest wind 16 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Thursday
A 40 percent chance of snow before noon. Mostly cloudy through mid morning, then gradual clearing, with a high near 30. Breezy, with a west wind 17 to 22 mph, with gusts as high as 32 mph. New snow accumulation of less than a half inch possible.
Thursday Night
Clear, with a low around 16. Breezy, with a west wind 17 to 22 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 31 mph.
Friday
Sunny, with a high near 40. South southwest wind 9 to 14 mph, with gusts as high as 23 mph.
Friday Night
Partly cloudy, with a low around 26. Southwest wind around 14 mph, with gusts as high as 21 mph.
Saturday
Partly sunny, with a high near 47. South southwest wind around 15 mph, with gusts as high as 24 mph.
Saturday Night
Partly cloudy, with a low around 32. Southwest wind 15 to 17 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Mostly cloudy, with a low around 33.
Monday
A chance of snow. Partly sunny, with a high near 46. Breezy.
Monday Night
A chance of snow. Mostly cloudy, with a low around 29. Breezy.
Tuesday
A chance of snow. Mostly cloudy, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles ESE Big Sky MT
 45.17°N 111.09°W (Elev. 9400 ft)
Last Update:
7:11 am MDT Mar 25, 2026
Forecast Valid:
7am MDT Mar 25, 2026-6pm MDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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