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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

77°F

25°C

Humidity 19%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Heat Index77°F (25°C)
Last update 16 Aug 06:10 PM MDT
Extended Forecast for

Bannack MT

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 47. Southwest wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.

    Low: 47 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Showers and thunderstorms likely. Increasing clouds, with a high near 80. Light and variable wind becoming south southwest 8 to 13 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    High: 80 °F

    Mostly Sunny
    then Showers
    Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 45. South southwest wind 6 to 11 mph becoming light and variable in the evening.

    Low: 45 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 84. Light west wind becoming southwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47. West southwest wind 6 to 11 mph becoming light and variable after midnight.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. Light west southwest wind becoming south southwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50. South wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89. Light west wind becoming west southwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 47. Southwest wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.
Sunday
Showers and thunderstorms likely. Increasing clouds, with a high near 80. Light and variable wind becoming south southwest 8 to 13 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 45. South southwest wind 6 to 11 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 84. Light west wind becoming southwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 47. West southwest wind 6 to 11 mph becoming light and variable after midnight.
Tuesday
Sunny, with a high near 90. Light west southwest wind becoming south southwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 50. South wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 89. Light west wind becoming west southwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bannack MT
 45.17°N 113.01°W (Elev. 5840 ft)
Last Update:
4:44 pm MDT Aug 16, 2025
Forecast Valid:
6pm MDT Aug 16, 2025-6pm MDT Aug 23, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation