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 >

Hazardous Weather Conditions

Current conditions at

Bismarck, Bismarck Municipal Airport (KBIS)

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

Fair

84°F

29°C

Humidity 49%
Wind Speed SE 12 mph
Barometer 29.85 in (1009.9 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 28 Aug 5:52 pm CDT
Extended Forecast for

2 Miles SW Bismarck ND

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers after 4am. Mostly cloudy, with a low around 64. Southeast wind 5 to 10 mph becoming light east after midnight. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers before 9am, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 88. Calm wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers and thunderstorms before 4am, then a chance of showers. Low around 63. Northeast wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Chance
    T-storms then
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 84. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    High: 84 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 56. Southeast wind 6 to 9 mph becoming west in the evening. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely

  • Monday

    Monday: Sunny, with a high near 82. West wind 6 to 15 mph, with gusts as high as 28 mph.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. West wind 5 to 8 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers after 1pm. Mostly sunny, with a high near 83. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 1am. Partly cloudy, with a low around 58. East wind 5 to 7 mph.

    Low: 58 °F

    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers after 4am. Mostly cloudy, with a low around 64. Southeast wind 5 to 10 mph becoming light east after midnight. Chance of precipitation is 30%.
Saturday
A slight chance of showers before 9am, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 88. Calm wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
Showers and thunderstorms before 4am, then a chance of showers. Low around 63. Northeast wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 84. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Sunday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 56. Southeast wind 6 to 9 mph becoming west in the evening. Chance of precipitation is 60%.
Monday
Sunny, with a high near 82. West wind 6 to 15 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 55. West wind 5 to 8 mph becoming calm in the evening.
Tuesday
A slight chance of showers after 1pm. Mostly sunny, with a high near 83. Calm wind becoming south 5 to 8 mph in the afternoon.
Tuesday Night
A chance of showers, mainly after 1am. Partly cloudy, with a low around 58. East wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 87. Southeast wind 5 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 61. Southeast wind 6 to 8 mph.
Thursday
Mostly sunny, with a high near 86. Southeast wind 5 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Mostly clear, with a low around 59. West wind 5 to 7 mph becoming northeast in the evening.
Friday
Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Bismarck ND
 46.79°N 100.79°W
Last Update:
6:36 pm CDT Aug 28, 2026
Forecast Valid:
6pm CDT Aug 28, 2026-6pm CDT Sep 4, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation