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

Bismarck, Bismarck Municipal Airport (KBIS)

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

Fair

64°F

18°C

Humidity 38%
Wind Speed NW 12 mph
Barometer 30.06 in (1018.1 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 12 Sep 5:52 pm CDT
Extended Forecast for

Bismarck ND

  • Tonight

    Tonight: A 30 percent chance of showers, mainly between 11pm and 5am. Mostly cloudy, with a low around 45. Northwest wind 6 to 11 mph becoming light and variable in the evening.

    Low: 45 °F

    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 70. Calm wind becoming southeast 5 to 8 mph in the afternoon.

    High: 70 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Showers likely, with thunderstorms also possible after 4am. Increasing clouds, with a low around 54. Southeast wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Partly Cloudy
    then Showers
    Likely

  • Monday

    Monday: Showers and possibly a thunderstorm before 10am, then showers between 10am and 1pm. High near 73. Breezy, with a southeast wind 18 to 21 mph becoming west in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 90%.

    High: 73 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. Breezy, with a west wind 18 to 21 mph, with gusts as high as 36 mph.

    Low: 46 °F

    Mostly Clear
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 67. Northwest wind 7 to 14 mph, with gusts as high as 24 mph.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46. Light and variable wind becoming east 5 to 7 mph in the evening.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers. Partly sunny, with a high near 67. Southeast wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 67 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47. East wind 5 to 8 mph becoming north after midnight.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly between 11pm and 5am. Mostly cloudy, with a low around 45. Northwest wind 6 to 11 mph becoming light and variable in the evening.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 70. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Sunday Night
Showers likely, with thunderstorms also possible after 4am. Increasing clouds, with a low around 54. Southeast wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and possibly a thunderstorm before 10am, then showers between 10am and 1pm. High near 73. Breezy, with a southeast wind 18 to 21 mph becoming west in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 90%.
Monday Night
Mostly clear, with a low around 46. Breezy, with a west wind 18 to 21 mph, with gusts as high as 36 mph.
Tuesday
Sunny, with a high near 67. Northwest wind 7 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 46. Light and variable wind becoming east 5 to 7 mph in the evening.
Wednesday
A chance of showers. Partly sunny, with a high near 67. Southeast wind 7 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 47. East wind 5 to 8 mph becoming north after midnight.
Thursday
Mostly sunny, with a high near 71. Northeast wind 5 to 9 mph becoming south in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 49. Southeast wind 5 to 7 mph.
Friday
Mostly sunny, with a high near 74. Light and variable wind becoming east 5 to 8 mph in the morning.
Friday Night
Partly cloudy, with a low around 48. Northeast wind around 6 mph.
Saturday
Sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bismarck ND
 46.81°N 100.76°W
Last Update:
6:36 pm CDT Sep 12, 2026
Forecast Valid:
6pm CDT Sep 12, 2026-6pm CDT Sep 19, 2026
 
Forecast Discussion
 
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Additional Resources

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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