Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Current conditions at

Bismarck, Bismarck Municipal Airport (KBIS)

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

Fair

54°F

12°C

Humidity 87%
Wind Speed SW 6 mph
Barometer 29.90 in (1012.1 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 31 Aug 6:52 am CDT
Extended Forecast for

3 Miles W Bismarck ND

  • Today

    Today: Sunny, with a high near 81. Breezy, with a west wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 81 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 52. West wind 6 to 11 mph becoming light  after midnight. Winds could gust as high as 21 mph.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 78. Light and variable wind.

    High: 78 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 54. Light southeast wind.

    Low: 54 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 83. Light east wind becoming southeast 8 to 13 mph in the morning. Winds could gust as high as 23 mph.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am.  Partly cloudy, with a low around 60. Southeast wind 9 to 13 mph, with gusts as high as 23 mph.

    Low: 60 °F

    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 88. Southeast wind around 7 mph becoming west in the afternoon.

    High: 88 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60. East wind 5 to 7 mph.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 93. Southeast wind 7 to 13 mph, with gusts as high as 24 mph.

    High: 93 °F

    Hot

Detailed Forecast

Today
Sunny, with a high near 81. Breezy, with a west wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph.
Tonight
Mostly clear, with a low around 52. West wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 21 mph.
Tuesday
Increasing clouds, with a high near 78. Light and variable wind.
Tuesday Night
Mostly cloudy, with a low around 54. Light southeast wind.
Wednesday
Sunny, with a high near 83. Light east wind becoming southeast 8 to 13 mph in the morning. Winds could gust as high as 23 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 60. Southeast wind 9 to 13 mph, with gusts as high as 23 mph.
Thursday
Mostly sunny, with a high near 88. Southeast wind around 7 mph becoming west in the afternoon.
Thursday Night
Mostly clear, with a low around 60. East wind 5 to 7 mph.
Friday
Sunny and hot, with a high near 93. Southeast wind 7 to 13 mph, with gusts as high as 24 mph.
Friday Night
Mostly clear, with a low around 64. Southeast wind 8 to 10 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny and hot, with a high near 90. Southeast wind 7 to 11 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 61. East wind 7 to 10 mph, with gusts as high as 18 mph.
Sunday
Partly sunny, with a high near 84. East wind 7 to 13 mph, with gusts as high as 22 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Bismarck ND
 46.81°N 100.83°W
6:36 am CDT Aug 31, 2026
7am CDT Aug 31, 2026-6pm CDT Sep 6, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database