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

Extreme Heat Continues; Severe Thunderstorms into Upper Midwest; Strong Bering Sea Storm

Wildfires and poor air quality continue for the Pacific Northwest, Rockies and extended into the Plains. Severe thunderstorms possible for the northern Plains and upper Midwest on Monday along a frontal boundary. Another boundary will focus showers and thunderstorms for the eastern seaboard with localized heavy rainfall possible. For Alaska, a strong Bering Sea storm will bring winds and rainfall. Read More >

Hazardous Weather Conditions

Current conditions at

Bismarck, Bismarck Municipal Airport (KBIS)

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

Fair

102°F

39°C

Humidity 24%
Wind Speed S 16 G 23 mph
Barometer 29.65 in (1002.4 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 2 Aug 2:52 pm CDT
Extended Forecast for

Bismarck ND

Heat Advisory until August 2, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 2, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 102 °F

    Hot

  • Tonight

    Tonight: Patchy smoke after 10pm. Partly cloudy, with a low around 66. Northwest wind 8 to 11 mph becoming northeast after midnight. Winds could gust as high as 18 mph.

    Low: 66 °F

    Patchy Smoke

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before noon. Patchy smoke. Partly sunny, with a high near 84. Breezy, with a northeast wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 84 °F

    Slight Chance
    T-storms then
    Patchy Smoke
    and Breezy

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 9pm. Patchy smoke between 11pm and 3am. Partly cloudy, with a low around 52. Breezy, with a northwest wind 16 to 21 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 32 mph.

    Low: 52 °F

    Slight Chance
    T-storms and
    Breezy then
    Patchy Smoke

  • Tuesday

    Tuesday: Sunny, with a high near 77. Northwest wind 7 to 13 mph, with gusts as high as 23 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50. Northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. Light southwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 22 mph.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56. West wind 5 to 10 mph becoming light and variable. Winds could gust as high as 18 mph.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny and hot, with a high near 102. Southwest wind around 14 mph, with gusts as high as 22 mph.
Tonight
Patchy smoke after 10pm. Partly cloudy, with a low around 66. Northwest wind 8 to 11 mph becoming northeast after midnight. Winds could gust as high as 18 mph.
Monday
A 20 percent chance of showers and thunderstorms before noon. Patchy smoke. Partly sunny, with a high near 84. Breezy, with a northeast wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before 9pm. Patchy smoke between 11pm and 3am. Partly cloudy, with a low around 52. Breezy, with a northwest wind 16 to 21 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 32 mph.
Tuesday
Sunny, with a high near 77. Northwest wind 7 to 13 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 50. Northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.
Wednesday
Sunny, with a high near 84. Light southwest wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 22 mph.
Wednesday Night
Partly cloudy, with a low around 56. West wind 5 to 10 mph becoming light and variable. Winds could gust as high as 18 mph.
Thursday
Sunny, with a high near 88. West wind 5 to 11 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 57. Northwest wind 5 to 9 mph becoming east after midnight.
Friday
Sunny and hot, with a high near 92. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Friday Night
Mostly clear, with a low around 60. Northwest wind 6 to 10 mph becoming east in the evening.
Saturday
Sunny and hot, with a high near 91. East wind 6 to 13 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bismarck ND
 46.81°N 100.76°W
Last Update:
1:56 pm CDT Aug 2, 2026
Forecast Valid:
3pm CDT Aug 2, 2026-6pm CDT Aug 9, 2026
 
Forecast Discussion
 
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Additional Resources

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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