National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.

Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Bismarck, Bismarck Municipal Airport (KBIS)

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

Fair

70°F

21°C

Humidity 76%
Wind Speed SE 6 mph
Barometer 30.23 in (1023.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 31 Aug 10:52 am CDT
Extended Forecast for

Bismarck ND

  • Today

    Today: Mostly cloudy, with a high near 77. Calm wind becoming south around 6 mph in the afternoon.

    High: 77 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 58. South wind 3 to 6 mph.

    Low: 58 °F

    Slight Chance
    T-storms then
    Patchy Fog

  • Labor Day

    Labor Day: A 20 percent chance of showers and thunderstorms after 1pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 79. South wind 3 to 7 mph.

    High: 79 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 57. Southwest wind around 6 mph.

    Low: 57 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. North wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. North wind 7 to 10 mph. Chance of precipitation is 30%.

    Low: 50 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64. North wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 64 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 41. North wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 71. Light southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 77. Calm wind becoming south around 6 mph in the afternoon.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 58. South wind 3 to 6 mph.
Labor Day
A 20 percent chance of showers and thunderstorms after 1pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 79. South wind 3 to 7 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 57. Southwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 78. North wind 6 to 10 mph, with gusts as high as 18 mph.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. North wind 7 to 10 mph. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 64. North wind 9 to 13 mph, with gusts as high as 22 mph.
Wednesday Night
Partly cloudy, with a low around 41. North wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Thursday
Mostly sunny, with a high near 71. Light southwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 46. Northwest wind 7 to 10 mph, with gusts as high as 18 mph.
Friday
Sunny, with a high near 69. North wind 8 to 11 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 43. North wind 5 to 10 mph becoming light and variable after midnight.
Saturday
Sunny, with a high near 71. West wind 3 to 8 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bismarck ND
 46.81°N 100.76°W
Last Update:
10:49 am CDT Aug 31, 2025
Forecast Valid:
11am CDT Aug 31, 2025-6pm CDT Sep 6, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation