Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Dubois Municipal Airport (KDUB)

Lat: 43.5484°NLon: 109.6903°WElev: 7297.0ft.

Clear

54°F

12°C

Humidity 66%
Wind Speed W 6 MPH
Barometer 30.36 in (1028.11 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 17 Aug 09:55 PM MDT
Extended Forecast for

23 Miles SSE Valley WY

  • Tonight

    Tonight: Isolated showers between midnight and 5am.  Mostly cloudy, with a low around 41. West southwest wind 10 to 13 mph.  Chance of precipitation is 20%.

    Low: 41 °F

    Mostly Cloudy
    then Isolated
    Showers

  • Tuesday

    Tuesday: Scattered showers, with thunderstorms also possible after noon.  Increasing clouds, with a high near 57. Breezy, with a west wind 13 to 22 mph, with gusts as high as 31 mph.  Chance of precipitation is 40%.

    High: 57 °F

    Breezy.
    Scattered
    Showers then
    Scattered
    T-storms

  • Tuesday Night

    Tuesday Night: Scattered showers and thunderstorms before 9pm, then isolated showers between 9pm and 11pm.  Snow level 13600 feet lowering to 12600 feet after midnight . Partly cloudy, with a low around 39. Breezy, with a west wind 10 to 20 mph, with gusts as high as 28 mph.  Chance of precipitation is 30%.

    Low: 39 °F

    Scattered
    Showers and
    Breezy then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 59. Breezy, with a west northwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 59 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40. Breezy, with a west southwest wind 16 to 21 mph decreasing to 10 to 15 mph in the evening. Winds could gust as high as 28 mph.

    Low: 40 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 63. Breezy, with a west wind 11 to 21 mph, with gusts as high as 28 mph.

    High: 63 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44. West southwest wind 8 to 13 mph.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Tonight
Isolated showers between midnight and 5am. Mostly cloudy, with a low around 41. West southwest wind 10 to 13 mph. Chance of precipitation is 20%.
Tuesday
Scattered showers, with thunderstorms also possible after noon. Increasing clouds, with a high near 57. Breezy, with a west wind 13 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers and thunderstorms before 9pm, then isolated showers between 9pm and 11pm. Snow level 13600 feet lowering to 12600 feet after midnight . Partly cloudy, with a low around 39. Breezy, with a west wind 10 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Wednesday
Sunny, with a high near 59. Breezy, with a west northwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 29 mph.
Wednesday Night
Mostly clear, with a low around 40. Breezy, with a west southwest wind 16 to 21 mph decreasing to 10 to 15 mph in the evening. Winds could gust as high as 28 mph.
Thursday
Sunny, with a high near 63. Breezy, with a west wind 11 to 21 mph, with gusts as high as 28 mph.
Thursday Night
Partly cloudy, with a low around 44. West southwest wind 8 to 13 mph.
Friday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 63.
Friday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 45.
Saturday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 60. Breezy. Chance of precipitation is 60%.
Saturday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 43. Breezy.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 58. Breezy.
Sunday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 41. Breezy.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 56. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
23 Miles SSE Valley WY
 43.9°N 109.4°W (Elev. 11585 ft)
9:47 pm MDT Aug 17, 2026
10pm MDT Aug 17, 2026-6pm MDT Aug 24, 2026
 
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Additional Resources

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Hourly Weather Forecast

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