Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Bismarck, Bismarck Municipal Airport (KBIS)

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

Fair

64°F

18°C

Humidity 75%
Wind Speed Calm
Barometer 29.87 in (1010.6 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 20 Aug 1:52 am CDT
Extended Forecast for

3 Miles N Bismarck ND

  • Overnight

    Overnight: Partly cloudy, with a low around 59. Light and variable wind.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 85. Northwest wind 6 to 16 mph, with gusts as high as 28 mph.

    High: 85 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. Northwest wind 8 to 13 mph becoming light and variable  after midnight. Winds could gust as high as 21 mph.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 84. Light northwest wind becoming north 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. North wind 8 to 13 mph becoming light northeast  after midnight. Winds could gust as high as 20 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81. Calm wind becoming east around 5 mph in the afternoon.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 57. Southeast wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 57 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 82. Southeast wind 11 to 17 mph, with gusts as high as 28 mph.

    High: 82 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 60. Southeast wind 9 to 16 mph, with gusts as high as 25 mph.

    Low: 60 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 59. Light and variable wind.
Thursday
Mostly sunny, with a high near 85. Northwest wind 6 to 16 mph, with gusts as high as 28 mph.
Thursday Night
Mostly clear, with a low around 55. Northwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Friday
Mostly sunny, with a high near 84. Light northwest wind becoming north 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 54. North wind 8 to 13 mph becoming light northeast after midnight. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 81. Calm wind becoming east around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 57. Southeast wind 6 to 10 mph, with gusts as high as 18 mph.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Southeast wind 11 to 17 mph, with gusts as high as 28 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Southeast wind 9 to 16 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 87. South wind 8 to 14 mph becoming west in the afternoon. Winds could gust as high as 24 mph.
Monday Night
Mostly clear, with a low around 58. West wind 6 to 11 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 84. Northwest wind 7 to 13 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 55. North wind 5 to 10 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Bismarck ND
 46.85°N 100.77°W
2:11 am CDT Aug 20, 2026
2am CDT Aug 20, 2026-6pm CDT Aug 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database