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

Hazardous Weather Conditions

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

48°F

9°C

Humidity 35%
Wind Speed ESE 10 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 12 Mar 01:15 PM MDT
Extended Forecast for

6 Miles ESE Big Sky MT

High Wind Warning March 12, 01:39pm until March 12, 06:00pm
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning March 12, 01:39pm until March 12, 06:00pm

    NOW until 6:00pm Thu

    High Wind Warning

  • This Afternoon

    High: 41 °F

    Chance Snow
    and Breezy

  • Tonight

    Tonight: A 40 percent chance of snow. Mostly cloudy, with a low around 33. Breezy, with a west southwest wind 18 to 23 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 41 mph. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Chance Snow
    and Breezy

  • Friday

    Friday: A chance of snow before 3pm, then rain and snow likely. Mostly cloudy, with a high near 43. West southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 43 °F

    Chance Snow
    then
    Rain/Snow
    Likely

  • Friday Night

    Friday Night: Rain and snow likely, becoming all snow after 9pm. Cloudy, with a low around 33. West southwest wind 6 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Saturday

    Saturday: Snow. High near 38. Breezy, with a west southwest wind 7 to 12 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 38 °F

    Snow and
    Breezy

  • Saturday Night

    Saturday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 9. West northwest wind 12 to 17 mph becoming light northwest after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 9 °F

    Snow Likely
    then Chance
    Snow

  • Sunday

    Sunday: A 20 percent chance of snow. Partly sunny, with a high near 27. Calm wind becoming west around 6 mph in the afternoon.

    High: 27 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: A chance of snow. Mostly cloudy, with a low around 20. South southwest wind 3 to 6 mph.

    Low: 20 °F

    Chance Snow

Detailed Forecast

This Afternoon
A chance of snow before 2pm, then a slight chance of snow after 4pm. Mostly cloudy, with a high near 41. Breezy, with a west wind 26 to 29 mph, with gusts as high as 47 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tonight
A 40 percent chance of snow. Mostly cloudy, with a low around 33. Breezy, with a west southwest wind 18 to 23 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 41 mph. New snow accumulation of less than a half inch possible.
Friday
A chance of snow before 3pm, then rain and snow likely. Mostly cloudy, with a high near 43. West southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday Night
Rain and snow likely, becoming all snow after 9pm. Cloudy, with a low around 33. West southwest wind 6 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday
Snow. High near 38. Breezy, with a west southwest wind 7 to 12 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 9. West northwest wind 12 to 17 mph becoming light northwest after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 27. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 20. South southwest wind 3 to 6 mph.
Monday
A chance of snow before 3pm, then a chance of rain and snow. Mostly cloudy, with a high near 41.
Monday Night
A chance of rain and snow, mainly before midnight. Mostly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 52.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Big Sky MT
 45.24°N 111.22°W (Elev. 7129 ft)
Last Update:
12:32 pm MDT Mar 12, 2026
Forecast Valid:
1pm MDT Mar 12, 2026-6pm MDT Mar 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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