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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Bismarck, Bismarck Municipal Airport (KBIS)

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

Fair

79°F

26°C

Humidity 38%
Wind Speed E 13 mph
Barometer 30.02 in (1016.2 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 27 Aug 7:52 pm CDT
Extended Forecast for

Bismarck ND

  • Tonight

    Tonight: Mostly clear, with a low around 60. East wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers between 1pm and 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. Southeast wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 86 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly before 2am. Increasing clouds, with a low around 62. Southeast wind 5 to 10 mph becoming light east after midnight. Winds could gust as high as 18 mph.

    Low: 62 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. East wind 3 to 7 mph.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. Northeast wind 6 to 8 mph. Chance of precipitation is 70%.

    Low: 61 °F

    Showers
    Likely

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 84. Northeast wind 5 to 9 mph becoming south in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 1am. Partly cloudy, with a low around 56. Southeast wind 6 to 8 mph becoming northwest after midnight. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely

  • Monday

    Monday: Sunny, with a high near 82. West wind 7 to 15 mph, with gusts as high as 26 mph.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. West wind 5 to 9 mph becoming light northwest.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 60. East wind 9 to 11 mph, with gusts as high as 20 mph.
Friday
A 20 percent chance of showers between 1pm and 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. Southeast wind 10 to 14 mph, with gusts as high as 23 mph.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly before 2am. Increasing clouds, with a low around 62. Southeast wind 5 to 10 mph becoming light east after midnight. Winds could gust as high as 18 mph.
Saturday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. East wind 3 to 7 mph.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 61. Northeast wind 6 to 8 mph. Chance of precipitation is 70%.
Sunday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 84. Northeast wind 5 to 9 mph becoming south in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Sunday Night
Showers likely and possibly a thunderstorm before 1am. Partly cloudy, with a low around 56. Southeast wind 6 to 8 mph becoming northwest after midnight. Chance of precipitation is 60%.
Monday
Sunny, with a high near 82. West wind 7 to 15 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 55. West wind 5 to 9 mph becoming light northwest.
Tuesday
Mostly sunny, with a high near 83. Light and variable wind becoming west 5 to 9 mph in the morning.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 57. East wind 5 to 8 mph.
Wednesday
Mostly sunny, with a high near 85. Southeast wind 5 to 9 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 59. Northeast wind 5 to 9 mph becoming southeast after midnight.
Thursday
Mostly sunny, with a high near 85.
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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:
7:36 pm CDT Aug 27, 2026
Forecast Valid:
8pm CDT Aug 27, 2026-6pm CDT Sep 3, 2026
 
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