Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Hazardous Weather Conditions

Current conditions at

Bismarck, Bismarck Municipal Airport (KBIS)

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

Overcast

66°F

19°C

Humidity 87%
Wind Speed E 6 mph
Barometer 30.02 in (1016.0 mb)
Dewpoint 62°F (17°C)
Visibility 7.00 mi
Last update 3 Aug 9:52 am CDT
Extended Forecast for

Napoleon ND

  • Today

    Today: A 10 percent chance of showers and thunderstorms after 5pm.  Patchy smoke before 1pm. Partly sunny, with a high near 75. Southeast wind around 9 mph becoming northeast in the afternoon. Winds could gust as high as 18 mph.

    High: 75 °F

    Patchy Smoke
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 1am, then a slight chance of showers after 4am.  Increasing clouds, with a low around 61. East wind 6 to 9 mph becoming southeast after midnight.  Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly between 7am and 1pm.  Partly sunny, with a high near 79. Southeast wind 6 to 9 mph.

    High: 79 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. Southeast wind around 10 mph.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am.  Partly sunny, with a high near 80. Breezy, with a southeast wind 13 to 22 mph, with gusts as high as 31 mph.  Chance of precipitation is 40%.

    High: 80 °F

    Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers.  Partly cloudy, with a low around 62. South wind 11 to 18 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Sunny, with a high near 85. South wind around 11 mph, with gusts as high as 18 mph.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 64. South wind 8 to 10 mph.

    Low: 64 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers after 1pm.  Mostly sunny, with a high near 86. Southeast wind 8 to 15 mph, with gusts as high as 22 mph.

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Today
A 10 percent chance of showers and thunderstorms after 5pm. Patchy smoke before 1pm. Partly sunny, with a high near 75. Southeast wind around 9 mph becoming northeast in the afternoon. Winds could gust as high as 18 mph.
Tonight
A slight chance of showers and thunderstorms before 1am, then a slight chance of showers after 4am. Increasing clouds, with a low around 61. East wind 6 to 9 mph becoming southeast after midnight. Chance of precipitation is 20%.
Monday
A 30 percent chance of showers and thunderstorms, mainly between 7am and 1pm. Partly sunny, with a high near 79. Southeast wind 6 to 9 mph.
Monday Night
Partly cloudy, with a low around 62. Southeast wind around 10 mph.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 80. Breezy, with a southeast wind 13 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 40%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Partly cloudy, with a low around 62. South wind 11 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Wednesday
Sunny, with a high near 85. South wind around 11 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 64. South wind 8 to 10 mph.
Thursday
A slight chance of showers after 1pm. Mostly sunny, with a high near 86. Southeast wind 8 to 15 mph, with gusts as high as 22 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 66. Southeast wind 10 to 14 mph, with gusts as high as 20 mph.
Friday
A chance of showers. Partly sunny, with a high near 82. Southeast wind 11 to 15 mph becoming northwest in the morning. Winds could gust as high as 23 mph.
Friday Night
A chance of showers. Mostly cloudy, with a low around 62. Northeast wind 9 to 14 mph, with gusts as high as 20 mph.
Saturday
A chance of showers. Mostly cloudy, with a high near 76. West wind 10 to 15 mph, with gusts as high as 23 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Napoleon ND
 46.5°N 99.76°W
9:50 am CDT Aug 3, 2025
10am CDT Aug 3, 2025-6pm CDT Aug 9, 2025
 
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Additional Resources

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Hourly Weather Forecast

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