Areas of Severe Thunderstorms, Excessive Rainfall, and Extreme Heat Wednesday

In the Upper Midwest, heavy to excessive rain may bring flash and urban flooding through Wednesday. Scattered severe thunderstorms capable of large hail and damaging wind gusts are possible from the central High Plains into the Upper Midwest Wednesday. Extreme heat is ongoing over the Desert Southwest through Thursday. Read More >

Current conditions at

Karst US-191 MP 55.3 (MTKAR)

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

unknown precip

49°F

9°C

Humidity 100%
Wind Speed NW 2 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 08 Jul 03:15 AM MDT
Extended Forecast for

12 Miles NE Big Sky MT

  • Overnight

    Overnight: Mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 3pm.  Increasing clouds, with a high near 76. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 76 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm.  Cloudy, then gradually becoming partly cloudy, with a low around 51. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 51 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 75. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53. West wind around 5 mph becoming calm  in the evening.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87. South wind 5 to 10 mph, with gusts as high as 21 mph.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 51. Calm wind.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 76. Calm wind becoming west northwest around 6 mph in the afternoon.
Wednesday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 51. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 75. Calm wind becoming west 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 53. West wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 78. Calm wind becoming west 5 to 8 mph in the afternoon.
Friday Night
Mostly clear, with a low around 55. West southwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 87. South wind 5 to 10 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 82.
Monday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NE Big Sky MT
 45.36°N 111.12°W (Elev. 7451 ft)
12:31 am MDT Jul 8, 2026
3am MDT Jul 8, 2026-6pm MDT Jul 14, 2026
 
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Additional Resources

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