Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Bismarck, Bismarck Municipal Airport (KBIS)

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

Fair

82°F

28°C

Humidity 35%
Wind Speed NW 6 mph
Barometer 30.11 in (1018.8 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 21 Aug 7:52 pm CDT
Extended Forecast for

Bismarck ND

  • Tonight

    Tonight: Clear, with a low around 54. North wind 3 to 8 mph.

    Low: 54 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 81. Northeast wind 3 to 5 mph.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 58. East wind 6 to 8 mph.

    Low: 58 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A 40 percent chance of showers after 1pm.  Increasing clouds, with a high near 83. Southeast wind 9 to 15 mph, with gusts as high as 26 mph.

    High: 83 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 62. Southeast wind 7 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely

  • Monday

    Monday: Mostly sunny, with a high near 89. Southeast wind 6 to 8 mph becoming west in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59. West wind 6 to 9 mph.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84. Northwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55. Northwest wind 9 to 14 mph becoming light  after midnight. Winds could gust as high as 20 mph.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 54. North wind 3 to 8 mph.
Saturday
Sunny, with a high near 81. Northeast wind 3 to 5 mph.
Saturday Night
Increasing clouds, with a low around 58. East wind 6 to 8 mph.
Sunday
A 40 percent chance of showers after 1pm. Increasing clouds, with a high near 83. Southeast wind 9 to 15 mph, with gusts as high as 26 mph.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Southeast wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 89. Southeast wind 6 to 8 mph becoming west in the afternoon.
Monday Night
Mostly clear, with a low around 59. West wind 6 to 9 mph.
Tuesday
Sunny, with a high near 84. Northwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 55. Northwest wind 9 to 14 mph becoming light after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 84. Northwest wind 3 to 7 mph.
Wednesday Night
Mostly clear, with a low around 57. North wind around 6 mph becoming east after midnight.
Thursday
Mostly sunny, with a high near 84. Southeast wind 6 to 10 mph.
Thursday Night
Partly cloudy, with a low around 57. Southeast wind 5 to 9 mph.
Friday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Bismarck ND
 46.81°N 100.76°W
7:36 pm CDT Aug 21, 2026
8pm CDT Aug 21, 2026-6pm CDT Aug 28, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database