Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

Current conditions at

Bismarck, Bismarck Municipal Airport (KBIS)

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

Fair

77°F

25°C

Humidity 43%
Wind Speed NW 13 G 20 mph
Barometer 30.17 in (1021.0 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 26 Aug 12:52 pm CDT
Extended Forecast for

Bismarck ND

  • This Afternoon

    This Afternoon: Sunny, with a high near 82. Northwest wind around 11 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 52. North wind 5 to 8 mph becoming calm  in the evening.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59. Southeast wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 86. Southeast wind 10 to 15 mph, with gusts as high as 26 mph.

    High: 86 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers.  Mostly cloudy, with a low around 61. Southeast wind 6 to 11 mph becoming light east  after midnight. Winds could gust as high as 18 mph.

    Low: 61 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 86. East wind 3 to 8 mph.

    High: 86 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers.  Mostly cloudy, with a low around 59. North wind 5 to 8 mph.

    Low: 59 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 81. Northwest wind 5 to 14 mph, with gusts as high as 25 mph.

    High: 81 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 82. Northwest wind around 11 mph.
Tonight
Mostly clear, with a low around 52. North wind 5 to 8 mph becoming calm in the evening.
Thursday
Sunny, with a high near 83. Calm wind becoming southeast around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 59. Southeast wind 7 to 10 mph, with gusts as high as 20 mph.
Friday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86. Southeast wind 10 to 15 mph, with gusts as high as 26 mph.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 61. Southeast wind 6 to 11 mph becoming light east after midnight. Winds could gust as high as 18 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. East wind 3 to 8 mph.
Saturday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 59. North wind 5 to 8 mph.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. Northwest wind 5 to 14 mph, with gusts as high as 25 mph.
Sunday Night
A chance of showers before 1am. Partly cloudy, with a low around 53. West wind 5 to 10 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 82. West wind 6 to 11 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 56. West wind 6 to 10 mph becoming east in the evening.
Tuesday
Mostly sunny, with a high near 83. Southeast wind 7 to 13 mph, with gusts as high as 22 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Bismarck ND
 46.81°N 100.76°W
12:36 pm CDT Aug 26, 2026
1pm CDT Aug 26, 2026-6pm CDT Sep 1, 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