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

Areas of Severe Thunderstorms, Excessive Rainfall, and Extreme Heat Saturday

Severe thunderstorms capable of damaging winds will be possible from the Ozark Plateau east into the Tennessee Valley Saturday. Rounds of heavy thunderstorms ahead of a slow moving front will continue locally heavy rainfall and scattered flash flooding potential from the Ozarks to the Ohio and Tennessee Valleys Saturday. Extreme heat will continue for the Intermountain West and Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Bismarck, Bismarck Municipal Airport (KBIS)

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

Fair

69°F

21°C

Humidity 96%
Wind Speed E 7 mph
Barometer 29.89 in (1010.8 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 11 Jul 3:52 am CDT
Extended Forecast for

Napoleon ND

Extreme Heat Warning July 11, 01:00pm until July 14, 01:00am
Click here for hazard details and duration
Extreme Heat Warning

  • Today

    Today: Patchy fog before 9am. Otherwise, sunny and hot, with a high near 95. Breezy, with a south wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 95 °F

    Patchy Fog
    then Sunny
    and Breezy

  • Tonight

    Tonight: Clear, with a low around 72. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 72 °F

    Clear then
    Clear and
    Breezy

  • Sunday

    Sunday: Sunny and hot, with a high near 99. Breezy, with a south wind 20 to 23 mph, with gusts as high as 32 mph.

    High: 99 °F

    Hot and
    Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 75. Breezy, with a south wind 16 to 23 mph, with gusts as high as 34 mph.

    Low: 75 °F

    Clear then
    Mostly Clear
    and Breezy

  • Monday

    Monday: Sunny and hot, with a high near 99. Windy, with a south wind 24 to 28 mph, with gusts as high as 37 mph.

    High: 99 °F

    Hot and Windy

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. Breezy, with a south wind 17 to 21 mph, with gusts as high as 32 mph.

    Low: 73 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 95. Breezy, with a south wind 18 to 20 mph, with gusts as high as 29 mph.

    High: 95 °F

    Hot and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67. Breezy, with a southeast wind around 21 mph, with gusts as high as 30 mph.

    Low: 67 °F

    Mostly Clear
    and Breezy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 90. Breezy, with a southeast wind around 22 mph, with gusts as high as 30 mph.

    High: 90 °F

    Hot and
    Breezy

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, sunny and hot, with a high near 95. Breezy, with a south wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph.
Tonight
Clear, with a low around 72. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Sunny and hot, with a high near 99. Breezy, with a south wind 20 to 23 mph, with gusts as high as 32 mph.
Sunday Night
Clear, with a low around 75. Breezy, with a south wind 16 to 23 mph, with gusts as high as 34 mph.
Monday
Sunny and hot, with a high near 99. Windy, with a south wind 24 to 28 mph, with gusts as high as 37 mph.
Monday Night
Mostly clear, with a low around 73. Breezy, with a south wind 17 to 21 mph, with gusts as high as 32 mph.
Tuesday
Sunny and hot, with a high near 95. Breezy, with a south wind 18 to 20 mph, with gusts as high as 29 mph.
Tuesday Night
Mostly clear, with a low around 67. Breezy, with a southeast wind around 21 mph, with gusts as high as 30 mph.
Wednesday
Mostly sunny and hot, with a high near 90. Breezy, with a southeast wind around 22 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 67. Breezy, with a southeast wind 20 to 23 mph, with gusts as high as 32 mph.
Thursday
Mostly sunny and hot, with a high near 90. Breezy, with an east wind 20 to 22 mph, with gusts as high as 30 mph.
Thursday Night
Partly cloudy, with a low around 67. East wind 16 to 18 mph, with gusts as high as 26 mph.
Friday
Mostly sunny and hot, with a high near 90. East wind 16 to 18 mph, with gusts as high as 26 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Napoleon ND
 46.5°N 99.76°W
Last Update:
3:56 am CDT Jul 11, 2026
Forecast Valid:
4am CDT Jul 11, 2026-6pm CDT Jul 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation