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 45%
Wind Speed SSE 10 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 13 Mar 04:45 PM MDT
Extended Forecast for

15 Miles ENE Big Sky MT

High Wind Warning March 14, 12:00pm until March 14, 09:00pm
Click here for hazard details and duration
High Wind Warning

  • This Afternoon

    This Afternoon: A 50 percent chance of snow. Areas of blowing snow. Cloudy, with a high near 33. Breezy, with a west wind around 29 mph, with gusts as high as 45 mph. Total daytime snow accumulation of less than one inch possible.

    High: 33 °F

    Chance Snow
    and Areas
    Blowing Snow

  • Tonight

    Tonight: A 50 percent chance of snow, mainly after 1am. Cloudy, with a low around 28. Breezy, with a west southwest wind 23 to 26 mph, with gusts as high as 43 mph. New snow accumulation of 1 to 3 inches possible.

    Low: 28 °F

    Chance Snow
    and Breezy

  • Saturday

    Saturday: Snow, mainly before 5pm. The snow could be heavy at times. Temperature falling to around 17 by 5pm. Wind chill values as low as -5. Windy, with a west wind 25 to 30 mph increasing to 32 to 37 mph in the afternoon. Winds could gust as high as 49 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    High: 30 °F⇓

    Heavy Snow
    and Windy

  • Saturday Night

    Saturday Night: Snow, mainly before midnight. Low around 3. Wind chill values as low as -15. Windy, with a west northwest wind 26 to 36 mph decreasing to 14 to 24 mph. Winds could gust as high as 47 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 3 °F

    Snow and
    Windy then
    Chance Snow

  • Sunday

    Sunday: A 30 percent chance of snow, mainly before noon. Partly sunny, with a high near 17. West northwest wind 11 to 17 mph, with gusts as high as 29 mph. New snow accumulation of less than a half inch possible.

    High: 17 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A 50 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 14. South southwest wind 14 to 18 mph, with gusts as high as 25 mph. New snow accumulation of 1 to 2 inches possible.

    Low: 14 °F

    Slight Chance
    Snow then
    Chance Snow

  • Monday

    Monday: Snow likely. Cloudy, with a high near 33. Breezy, with a southwest wind around 22 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 33 °F

    Snow Likely
    and Breezy

  • Monday Night

    Monday Night: Rain and snow likely before 3am, then a chance of snow. Mostly cloudy, with a low around 31. Southwest wind around 18 mph, with gusts as high as 34 mph.

    Low: 31 °F

    Rain/Snow
    Likely

  • Tuesday

    Tuesday: A slight chance of snow before noon. Mostly cloudy, with a high near 42.

    High: 42 °F

    Slight Chance
    Snow then
    Mostly Cloudy

Detailed Forecast

This Afternoon
A 50 percent chance of snow. Areas of blowing snow. Cloudy, with a high near 33. Breezy, with a west wind around 29 mph, with gusts as high as 45 mph. Total daytime snow accumulation of less than one inch possible.
Tonight
A 50 percent chance of snow, mainly after 1am. Cloudy, with a low around 28. Breezy, with a west southwest wind 23 to 26 mph, with gusts as high as 43 mph. New snow accumulation of 1 to 3 inches possible.
Saturday
Snow, mainly before 5pm. The snow could be heavy at times. Temperature falling to around 17 by 5pm. Wind chill values as low as -5. Windy, with a west wind 25 to 30 mph increasing to 32 to 37 mph in the afternoon. Winds could gust as high as 49 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Saturday Night
Snow, mainly before midnight. Low around 3. Wind chill values as low as -15. Windy, with a west northwest wind 26 to 36 mph decreasing to 14 to 24 mph. Winds could gust as high as 47 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Sunday
A 30 percent chance of snow, mainly before noon. Partly sunny, with a high near 17. West northwest wind 11 to 17 mph, with gusts as high as 29 mph. New snow accumulation of less than a half inch possible.
Sunday Night
A 50 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 14. South southwest wind 14 to 18 mph, with gusts as high as 25 mph. New snow accumulation of 1 to 2 inches possible.
Monday
Snow likely. Cloudy, with a high near 33. Breezy, with a southwest wind around 22 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Monday Night
Rain and snow likely before 3am, then a chance of snow. Mostly cloudy, with a low around 31. Southwest wind around 18 mph, with gusts as high as 34 mph.
Tuesday
A slight chance of snow before noon. Mostly cloudy, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly sunny, with a high near 47.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Partly sunny, with a high near 51.
Thursday Night
Mostly cloudy, with a low around 37.
Friday
Mostly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ENE Big Sky MT
 45.32°N 111.05°W (Elev. 8901 ft)
Last Update:
5:02 pm MDT Mar 13, 2026
Forecast Valid:
5pm MDT Mar 13, 2026-6pm MDT Mar 20, 2026
 
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Additional Resources

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