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

Heavy Rainfall Continues in South Florida, Southern Rockies, and the Northern Plains

A stationary front will continue to bring heavy to excessive rainfall to South Florida into Saturday with localized and urban flooding possible. Heavy to excessive rainfall is forecast through Saturday over the southern Rockies into the northern Plains. Instances of flash flooding are possible, especially in higher terrain and burn scars. Read More >

Hazardous Weather Conditions

Current conditions at

Bismarck, Bismarck Municipal Airport (KBIS)

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

Overcast

70°F

21°C

Humidity 87%
Wind Speed E 9 mph
Barometer 29.88 in (1011.2 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 13 Sep 5:52 pm CDT
Extended Forecast for

Bismarck ND

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 3am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 63. Calm wind becoming northeast 5 to 7 mph in the evening.

    Low: 63 °F

    Chance
    T-storms and
    Patchy Fog

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before noon, then showers likely and possibly a thunderstorm after 3pm. Patchy fog before 10am. Otherwise, cloudy, with a high near 76. Light and variable wind becoming southeast 5 to 8 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Showers
    Likely and
    Patchy Fog

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm, mainly before 1am, then a chance of showers and thunderstorms after 1am. Low around 60. Southeast wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 76. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 76 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. Southwest wind 3 to 6 mph.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 77. Light and variable wind becoming north 5 to 7 mph in the morning. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Northwest wind 5 to 7 mph. Chance of precipitation is 40%.

    Low: 56 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers. Partly sunny, with a high near 74. Northwest wind 6 to 9 mph.

    High: 74 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers. Mostly cloudy, with a low around 53. North wind 5 to 7 mph.

    Low: 53 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly after 3am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 63. Calm wind becoming northeast 5 to 7 mph in the evening.
Sunday
Showers and thunderstorms likely, mainly before noon, then showers likely and possibly a thunderstorm after 3pm. Patchy fog before 10am. Otherwise, cloudy, with a high near 76. Light and variable wind becoming southeast 5 to 8 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and possibly a thunderstorm, mainly before 1am, then a chance of showers and thunderstorms after 1am. Low around 60. Southeast wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 76. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 56. Southwest wind 3 to 6 mph.
Tuesday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 77. Light and variable wind becoming north 5 to 7 mph in the morning. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Northwest wind 5 to 7 mph. Chance of precipitation is 40%.
Wednesday
A chance of showers. Partly sunny, with a high near 74. Northwest wind 6 to 9 mph.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 53. North wind 5 to 7 mph.
Thursday
Mostly sunny, with a high near 71. Northeast wind 5 to 8 mph.
Thursday Night
Partly cloudy, with a low around 51. East wind 5 to 7 mph.
Friday
Mostly sunny, with a high near 72. Southeast wind 5 to 9 mph.
Friday Night
Partly cloudy, with a low around 51. East wind around 8 mph.
Saturday
Partly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bismarck ND
 46.79°N 100.79°W
Last Update:
6:09 pm CDT Sep 13, 2025
Forecast Valid:
6pm CDT Sep 13, 2025-6pm CDT Sep 20, 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