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

56°F

13°C

Humidity 53%
Wind Speed NA 5 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 27 Jun 01:10 PM MDT
Extended Forecast for

Bannack MT

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. High near 58. North northeast wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before midnight, then rain, mainly after midnight. Low around 33. North wind 6 to 10 mph becoming west northwest after midnight. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 33 °F

    Showers

  • Sunday

    Sunday: Rain before 3pm, then showers and possibly a thunderstorm after 3pm. High near 47. West northwest wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 47 °F

    Showers

  • Sunday Night

    Sunday Night: Rain. Low around 32. Southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    Low: 32 °F

    Rain

  • Monday

    Monday: Rain, mainly before 3pm, then showers likely and possibly a thunderstorm after 3pm. High near 53. Southwest wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    High: 53 °F

    Rain then
    Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 34. West wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 22 mph.

    Low: 34 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 64. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 64 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 36. South southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 36 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 58. North northeast wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before midnight, then rain, mainly after midnight. Low around 33. North wind 6 to 10 mph becoming west northwest after midnight. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Sunday
Rain before 3pm, then showers and possibly a thunderstorm after 3pm. High near 47. West northwest wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Rain. Low around 32. Southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Monday
Rain, mainly before 3pm, then showers likely and possibly a thunderstorm after 3pm. High near 53. Southwest wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Monday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 34. West wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 22 mph.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 64. Calm wind becoming south 5 to 8 mph in the afternoon.
Tuesday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 36. South southwest wind 5 to 8 mph becoming calm in the evening.
Wednesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 41.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Bannack MT
 45.17°N 113.01°W (Elev. 5840 ft)
Last Update:
12:32 pm MDT Jun 27, 2026
Forecast Valid:
1pm MDT Jun 27, 2026-6pm MDT Jul 3, 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