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

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

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

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

NA

78°F

26°C

Humidity 16%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Heat Index77°F (25°C)
Last update 16 Aug 12:10 PM MDT
Extended Forecast for

Bannack MT

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 84. South southwest wind 8 to 16 mph, with gusts as high as 23 mph.

    High: 84 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Widespread haze after 3am. Partly cloudy, with a low around 49. South wind 5 to 14 mph becoming north after midnight. Winds could gust as high as 21 mph.

    Low: 49 °F

    Slight Chance
    T-storms then
    Haze

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after noon. Widespread haze before noon. Increasing clouds, with a high near 79. North wind 5 to 13 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 79 °F

    Haze then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 47. West wind 5 to 10 mph becoming east after midnight. Chance of precipitation is 20%.

    Low: 47 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 83. Southwest wind 6 to 14 mph, with gusts as high as 21 mph.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49. Southwest wind 5 to 13 mph becoming north northwest in the evening. Winds could gust as high as 18 mph.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88. South wind 5 to 14 mph, with gusts as high as 21 mph.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50. South wind 6 to 14 mph becoming west after midnight. Winds could gust as high as 21 mph.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 84. South southwest wind 8 to 16 mph, with gusts as high as 23 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Widespread haze after 3am. Partly cloudy, with a low around 49. South wind 5 to 14 mph becoming north after midnight. Winds could gust as high as 21 mph.
Sunday
A 50 percent chance of showers and thunderstorms after noon. Widespread haze before noon. Increasing clouds, with a high near 79. North wind 5 to 13 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 47. West wind 5 to 10 mph becoming east after midnight. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 83. Southwest wind 6 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 49. Southwest wind 5 to 13 mph becoming north northwest in the evening. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 88. South wind 5 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 50. South wind 6 to 14 mph becoming west after midnight. Winds could gust as high as 21 mph.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bannack MT
 45.15°N 112.98°W (Elev. 6201 ft)
Last Update:
10:05 am MDT Aug 16, 2025
Forecast Valid:
12pm MDT Aug 16, 2025-6pm MDT Aug 22, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation