Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. 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

54°F

12°C

Humidity 84%
Wind Speed NA 7 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 14 Aug 12:10 AM MDT
Extended Forecast for

12 Miles SSW Dillon MT

  • Overnight

    Overnight: A 50 percent chance of showers before 4am.  Patchy smoke before 1am. Cloudy, with a low around 48. Light and variable wind.

    Low: 48 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 3pm, then showers and thunderstorms likely after 3pm.  Increasing clouds, with a high near 67. Light and variable wind becoming south southwest 5 to 8 mph in the morning.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 67 °F

    Partly Sunny
    then T-storms
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly before 8pm.  Mostly cloudy, with a low around 48. South wind 3 to 7 mph.

    Low: 48 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm.  Partly sunny, with a high near 68. South wind 5 to 7 mph becoming north in the afternoon.  Chance of precipitation is 60%.

    High: 68 °F

    Partly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight.  Mostly cloudy, with a low around 47. Southwest wind around 7 mph becoming east in the evening.  Chance of precipitation is 50%.

    Low: 47 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 72. South wind 5 to 7 mph.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 51. South southwest wind 5 to 8 mph becoming east in the evening.

    Low: 51 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms after noon.  Partly sunny, with a high near 73. South wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 73 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers.  Mostly cloudy, with a low around 50.

    Low: 50 °F

    Showers
    Likely

Detailed Forecast

Overnight
A 50 percent chance of showers before 4am. Patchy smoke before 1am. Cloudy, with a low around 48. Light and variable wind.
Friday
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 3pm, then showers and thunderstorms likely after 3pm. Increasing clouds, with a high near 67. Light and variable wind becoming south southwest 5 to 8 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 48. South wind 3 to 7 mph.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 68. South wind 5 to 7 mph becoming north in the afternoon. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 47. Southwest wind around 7 mph becoming east in the evening. Chance of precipitation is 50%.
Sunday
Sunny, with a high near 72. South wind 5 to 7 mph.
Sunday Night
Mostly cloudy, with a low around 51. South southwest wind 5 to 8 mph becoming east in the evening.
Monday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 73. South wind 6 to 11 mph, with gusts as high as 20 mph.
Monday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 50.
Tuesday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 68.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 69.
Wednesday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 49.
Thursday
Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles SSW Dillon MT
 45.06°N 112.75°W (Elev. 6670 ft)
12:31 am MDT Aug 14, 2026
12am MDT Aug 14, 2026-6pm MDT Aug 20, 2026
 
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Additional Resources

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Hourly Weather Forecast

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