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 W 0 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

13 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. Mostly sunny, with a high near 48. Windy, with a southwest wind 25 to 33 mph, with gusts as high as 49 mph. Chance of precipitation is 20%.

    High: 48 °F

    Windy. Mostly
    Sunny then
    Slight Chance
    Rain/Snow

  • Tonight

    Tonight: A 50 percent chance of snow, mainly after 2am. Mostly cloudy, with a low around 23. Windy, with a west southwest wind 27 to 32 mph becoming west 17 to 22 mph after midnight. Winds could gust as high as 45 mph. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Mostly Cloudy
    and Windy
    then Chance
    Snow

  • Thursday

    Thursday: A 40 percent chance of snow before noon. Mostly cloudy, then gradually becoming sunny, with a high near 31. West northwest wind 18 to 21 mph, with gusts as high as 32 mph. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Chance Snow
    then Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 17. Blustery, with a west southwest wind 17 to 22 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 32 mph.

    Low: 17 °F

    Clear and
    Blustery then
    Clear

  • Friday

    Friday: Sunny, with a high near 41. South southwest wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 41 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27. Southwest wind 14 to 16 mph, with gusts as high as 21 mph.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 49. South southwest wind 14 to 16 mph, with gusts as high as 25 mph.

    High: 49 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33. Southwest wind 11 to 13 mph, with gusts as high as 26 mph.

    Low: 33 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of rain and snow between 3pm and 5pm. Mostly sunny, with a high near 48. Windy, with a southwest wind 25 to 33 mph, with gusts as high as 49 mph. Chance of precipitation is 20%.
Tonight
A 50 percent chance of snow, mainly after 2am. Mostly cloudy, with a low around 23. Windy, with a west southwest wind 27 to 32 mph becoming west 17 to 22 mph after midnight. Winds could gust as high as 45 mph. New snow accumulation of less than a half inch possible.
Thursday
A 40 percent chance of snow before noon. Mostly cloudy, then gradually becoming sunny, with a high near 31. West northwest wind 18 to 21 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 17. Blustery, with a west southwest wind 17 to 22 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 32 mph.
Friday
Sunny, with a high near 41. South southwest wind 11 to 14 mph, with gusts as high as 22 mph.
Friday Night
Partly cloudy, with a low around 27. Southwest wind 14 to 16 mph, with gusts as high as 21 mph.
Saturday
Mostly sunny, with a high near 49. South southwest wind 14 to 16 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 33. Southwest wind 11 to 13 mph, with gusts as high as 26 mph.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
A chance of snow. Partly sunny, with a high near 48.
Monday Night
A chance of snow. Mostly cloudy, with a low around 30.
Tuesday
A chance of snow. Mostly cloudy, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles ESE Big Sky MT
 45.23°N 111.07°W (Elev. 9354 ft)
Last Update:
5:02 am MDT Mar 25, 2026
Forecast Valid:
6am 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