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

USCRN SITE AT BANNACK STATE PARK NEAR DILLON 18WSW (BSPM8)

Lat: 45.15778°NLon: 113.00583°WElev: 5941.0ft.

NA

62°F

17°C

Humidity 46%
Wind Speed NA 1 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 26 May 07:10 PM MDT
Extended Forecast for

Bannack MT

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 39. East northeast wind 5 to 9 mph becoming calm after midnight.

    Low: 39 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly between 2pm and 4pm. Mostly sunny, with a high near 74. Light and variable wind becoming east southeast 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 74 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 9pm. Partly cloudy, with a low around 42. East southeast wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 18 mph.

    Low: 42 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80. Light and variable wind becoming southeast 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 80 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44. South southeast wind 12 to 17 mph becoming light and variable after midnight. Winds could gust as high as 29 mph.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 76. Light and variable wind becoming south southeast 11 to 16 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of rain after midnight. Partly cloudy, with a low around 41. South wind 6 to 16 mph becoming west after midnight. Winds could gust as high as 26 mph.

    Low: 41 °F

    Partly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: Rain likely, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 60. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 60 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Showers

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 39. East northeast wind 5 to 9 mph becoming calm after midnight.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly between 2pm and 4pm. Mostly sunny, with a high near 74. Light and variable wind becoming east southeast 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
A 20 percent chance of showers before 9pm. Partly cloudy, with a low around 42. East southeast wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80. Light and variable wind becoming southeast 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph.
Thursday Night
Mostly clear, with a low around 44. South southeast wind 12 to 17 mph becoming light and variable after midnight. Winds could gust as high as 29 mph.
Friday
Mostly sunny, with a high near 76. Light and variable wind becoming south southeast 11 to 16 mph in the afternoon. Winds could gust as high as 26 mph.
Friday Night
A 40 percent chance of rain after midnight. Partly cloudy, with a low around 41. South wind 6 to 16 mph becoming west after midnight. Winds could gust as high as 26 mph.
Saturday
Rain likely, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 60. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Showers and possibly a thunderstorm before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 37.
Sunday
A chance of rain before noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 60.
Sunday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 35.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bannack MT
 45.15°N 112.98°W (Elev. 6201 ft)
Last Update:
6:21 pm MDT May 26, 2026
Forecast Valid:
7pm MDT May 26, 2026-6pm MDT Jun 2, 2026
 
Forecast Discussion
 
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Additional Resources

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