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

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

50°F

10°C

Humidity 100%
Wind Speed NW 2 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 01 Jul 10:45 PM MDT
Extended Forecast for

14 Miles ESE Big Sky MT

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 38. West wind around 9 mph becoming south after midnight.

    Low: 38 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 57. Southwest wind 9 to 17 mph, with gusts as high as 29 mph.

    High: 57 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39. West southwest wind 8 to 14 mph becoming south in the evening. Winds could gust as high as 22 mph.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 58. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 58 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 40. South southwest wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 40 °F

    Chance
    T-storms then
    Mostly Clear

  • Independence Day

    Independence Day: Sunny, with a high near 62. South wind 9 to 15 mph, with gusts as high as 25 mph.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 44. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 67. South wind 9 to 13 mph, with gusts as high as 23 mph.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 38. West wind around 9 mph becoming south after midnight.
Thursday
Mostly sunny, with a high near 57. Southwest wind 9 to 17 mph, with gusts as high as 29 mph.
Thursday Night
Partly cloudy, with a low around 39. West southwest wind 8 to 14 mph becoming south in the evening. Winds could gust as high as 22 mph.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 58. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 40. South southwest wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Independence Day
Sunny, with a high near 62. South wind 9 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 44. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 67. South wind 9 to 13 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 48.
Monday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 49.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 67.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 48.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
14 Miles ESE Big Sky MT
 45.17°N 111.09°W (Elev. 9400 ft)
Last Update:
9:32 pm MDT Jul 1, 2026
Forecast Valid:
11pm MDT Jul 1, 2026-6pm MDT Jul 8, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation