Severe Thunderstorms in the Central U.S.; Heavy to Excessive Rainfall in the Ohio Valley and Central Appalachians

Severe thunderstorms producing damaging winds, hail, and a few tornadoes are expected through Tuesday across parts of the central Plains and lower to mid Missouri Valley. Heavy to excessive rainfall could produce flooding across portions of the Ohio Valley into the Central Appalachians through Tuesday. Read More >

Current conditions at

Bismarck, Bismarck Municipal Airport (KBIS)

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

Fair

60°F

16°C

Humidity 86%
Wind Speed SW 3 mph
Barometer 29.87 in (1011.0 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 17 Jun 3:52 am CDT
Extended Forecast for

Napoleon ND

  • Today

    Today: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 76. South wind 5 to 11 mph becoming north in the morning.

    High: 76 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 54. North wind 5 to 9 mph becoming calm  in the evening.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 80. Southwest wind 6 to 14 mph, with gusts as high as 21 mph.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 1am.  Mostly clear, with a low around 55. Southwest wind 8 to 11 mph.

    Low: 55 °F

    Chance
    T-storms then
    Chance
    Showers

  • Juneteenth

    Juneteenth: Sunny, with a high near 82. Northwest wind 8 to 14 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 58. Southeast wind 10 to 14 mph.

    Low: 58 °F

    Chance
    T-storms

  • Friday

    Friday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm, then a slight chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 81. East wind 10 to 17 mph, with gusts as high as 24 mph.  Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 60. East wind 10 to 15 mph, with gusts as high as 23 mph.

    Low: 60 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 82. Breezy, with an east wind 14 to 21 mph, with gusts as high as 30 mph.

    High: 82 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 76. South wind 5 to 11 mph becoming north in the morning.
Tonight
Partly cloudy, with a low around 54. North wind 5 to 9 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 80. Southwest wind 6 to 14 mph, with gusts as high as 21 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 55. Southwest wind 8 to 11 mph.
Juneteenth
Sunny, with a high near 82. Northwest wind 8 to 14 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58. Southeast wind 10 to 14 mph.
Friday
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. East wind 10 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 60. East wind 10 to 15 mph, with gusts as high as 23 mph.
Saturday
Mostly sunny, with a high near 82. Breezy, with an east wind 14 to 21 mph, with gusts as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 60. East wind 14 to 18 mph, with gusts as high as 25 mph.
Sunday
Partly sunny, with a high near 76. Breezy, with a northeast wind 16 to 24 mph becoming northwest in the afternoon. Winds could gust as high as 34 mph.
Sunday Night
A chance of showers. Partly cloudy, with a low around 50. Breezy, with a north wind 14 to 21 mph, with gusts as high as 29 mph.
Monday
A chance of showers. Partly sunny, with a high near 64. North wind 14 to 16 mph, with gusts as high as 23 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Napoleon ND
 46.52°N 99.76°W
3:50 am CDT Jun 17, 2025
4am CDT Jun 17, 2025-6pm CDT Jun 23, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database