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

Heavy Rain and Flooding Possible in the Southwest U.S, Ohio Valley, and Hawaii

Heavy rainfall is expected to continue through Thursday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. Heavy rain and flash flooding is also expected over the southern Appalachians and Ohio Valley. Tropical Depression 15-E, southeast of Hawaii, is expected to bring heavy rain beginning today to the Big Island and Maui. Read More >

Hazardous Weather Conditions

Current conditions at

Bismarck, Bismarck Municipal Airport (KBIS)

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

Overcast

63°F

17°C

Humidity 87%
Wind Speed SE 16 mph
Barometer 30.06 in (1018.0 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 23 Sep 5:52 pm CDT
Extended Forecast for

Bismarck ND

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before midnight. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 55. Southeast wind 5 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely then
    Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 1pm. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 74. Light and variable wind becoming northwest around 5 mph in the afternoon.

    High: 74 °F

    Patchy Fog

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 53. Calm wind.

    Low: 53 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, with a high near 70. Light east wind becoming southeast 8 to 13 mph in the morning. Winds could gust as high as 23 mph.

    High: 70 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 40 percent chance of showers, mainly before 1am. Cloudy, with a low around 57. Southeast wind 11 to 14 mph, with gusts as high as 23 mph.

    Low: 57 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 71. Southeast wind 7 to 9 mph becoming southwest in the afternoon.

    High: 71 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50. Light and variable wind.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 69. Calm wind becoming east 5 to 8 mph in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 54. East wind 8 to 13 mph, with gusts as high as 21 mph.

    Low: 54 °F

    Showers
    Likely

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before midnight. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 55. Southeast wind 5 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Thursday
Patchy fog before 1pm. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 74. Light and variable wind becoming northwest around 5 mph in the afternoon.
Thursday Night
Increasing clouds, with a low around 53. Calm wind.
Friday
Mostly cloudy, with a high near 70. Light east wind becoming southeast 8 to 13 mph in the morning. Winds could gust as high as 23 mph.
Friday Night
A 40 percent chance of showers, mainly before 1am. Cloudy, with a low around 57. Southeast wind 11 to 14 mph, with gusts as high as 23 mph.
Saturday
Mostly cloudy, with a high near 71. Southeast wind 7 to 9 mph becoming southwest in the afternoon.
Saturday Night
Mostly clear, with a low around 50. Light and variable wind.
Sunday
Mostly sunny, with a high near 69. Calm wind becoming east 5 to 8 mph in the afternoon.
Sunday Night
A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 54. East wind 8 to 13 mph, with gusts as high as 21 mph.
Monday
Showers likely. Mostly cloudy, with a high near 66. East wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 26 mph.
Monday Night
A chance of showers. Mostly cloudy, with a low around 48. North wind 9 to 13 mph, with gusts as high as 23 mph.
Tuesday
Partly sunny, with a high near 60. North wind 8 to 10 mph, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 44. North wind around 6 mph becoming light and variable.
Wednesday
Mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bismarck ND
 46.81°N 100.8°W
Last Update:
4:36 pm CDT Sep 23, 2026
Forecast Valid:
6pm CDT Sep 23, 2026-6pm CDT Sep 30, 2026
 
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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