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Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Bismarck, Bismarck Municipal Airport (KBIS)

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

Fair

67°F

19°C

Humidity 91%
Wind Speed NE 6 mph
Barometer 29.81 in (1007.9 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 25 Jul 2:52 am CDT
Extended Forecast for

Bismarck ND

Heat Advisory July 25, 01:00pm until July 26, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Patchy smoke. Patchy fog. Otherwise, mostly clear, with a low around 63. East wind around 6 mph.

    Low: 63 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy smoke. Patchy fog before 10am. Otherwise, sunny and hot, with a high near 103. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 103 °F

    Patchy Fog
    then Patchy
    Smoke

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 72. Northeast wind 5 to 7 mph becoming southeast after midnight.

    Low: 72 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny and hot, with a high near 103. Light and variable wind becoming northwest 9 to 14 mph in the morning. Winds could gust as high as 24 mph.

    High: 103 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 67. North wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 24 mph.

    Low: 67 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny and hot, with a high near 98. Calm wind becoming south around 5 mph in the afternoon.

    High: 98 °F

    Hot

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67. South wind 5 to 7 mph becoming east after midnight.

    Low: 67 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98. Light southeast wind increasing to 5 to 9 mph in the morning.

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 69. East wind 7 to 9 mph.

    Low: 69 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
Patchy smoke. Patchy fog. Otherwise, mostly clear, with a low around 63. East wind around 6 mph.
Saturday
Patchy smoke. Patchy fog before 10am. Otherwise, sunny and hot, with a high near 103. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 72. Northeast wind 5 to 7 mph becoming southeast after midnight.
Sunday
Sunny and hot, with a high near 103. Light and variable wind becoming northwest 9 to 14 mph in the morning. Winds could gust as high as 24 mph.
Sunday Night
Mostly clear, with a low around 67. North wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 24 mph.
Monday
Mostly sunny and hot, with a high near 98. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67. South wind 5 to 7 mph becoming east after midnight.
Tuesday
Sunny and hot, with a high near 98. Light southeast wind increasing to 5 to 9 mph in the morning.
Tuesday Night
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 69. East wind 7 to 9 mph.
Wednesday
Mostly sunny and hot, with a high near 97. East wind 6 to 11 mph becoming south in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Southeast wind 5 to 10 mph, with gusts as high as 18 mph.
Thursday
Mostly sunny and hot, with a high near 97. South wind 5 to 9 mph becoming southeast in the afternoon.
Thursday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 66. East wind 6 to 9 mph.
Friday
Mostly sunny and hot, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bismarck ND
 46.81°N 100.76°W
Last Update:
3:36 am CDT Jul 25, 2026
Forecast Valid:
3am CDT Jul 25, 2026-6pm CDT Jul 31, 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