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 >

Hazardous Weather Conditions

Current conditions at

Bismarck, Bismarck Municipal Airport (KBIS)

Lat: 46.78°NLon: 100.76°WElev: 1677ft.

Mostly Cloudy

68°F

20°C

Humidity 61%
Wind Speed NE 3 mph
Barometer 30.01 in (1015.2 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 17 Aug 11:52 pm CDT
Extended Forecast for

3 Miles W Bismarck Municipal Airport ND

  • Overnight

    Overnight: A slight chance of showers and thunderstorms.  Mostly cloudy, with a low around 55. Light northwest wind.  Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. Calm wind becoming northwest 5 to 9 mph in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54. North wind 5 to 8 mph becoming calm  in the evening.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. South wind 5 to 7 mph.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 88. West wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 88 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. Northwest wind 5 to 9 mph becoming calm  after midnight.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. Light north wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55. North wind 5 to 10 mph becoming light northeast  after midnight.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Light northwest wind. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 78. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 54. North wind 5 to 8 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 84. Calm wind becoming southwest 5 to 8 mph in the morning.
Wednesday Night
Mostly clear, with a low around 59. South wind 5 to 7 mph.
Thursday
Mostly sunny, with a high near 88. West wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 59. Northwest wind 5 to 9 mph becoming calm after midnight.
Friday
Sunny, with a high near 84. Light north wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 55. North wind 5 to 10 mph becoming light northeast after midnight.
Saturday
Mostly sunny, with a high near 82. Calm wind becoming east 5 to 9 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 59. East wind around 10 mph, with gusts as high as 20 mph.
Sunday
A chance of showers. Partly sunny, with a high near 85. Southeast wind 9 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 61. South wind 6 to 13 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Bismarck Municipal Airport ND
 46.77°N 100.82°W
12:11 am CDT Aug 18, 2026
12am CDT Aug 18, 2026-6pm CDT Aug 24, 2026
 
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Additional Resources

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Hourly Weather Forecast

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