Thunderstorms and Heavy Rain Possible in the Northern and Central Plains and New Mexico; Dangerous Heat Continues

Severe thunderstorms, capable of producing damaging winds and isolated large hail, and heavy rainfall are possible across the northern and central Plains. Monsoonal thunderstorms may produce heavy rainfall and possible flash flooding across New Mexico. Dangerous, long duration heat will continue over much of the central and eastern U.S. Read More >

Hazardous Weather Conditions

Current conditions at

Bismarck, Bismarck Municipal Airport (KBIS)

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

Partly Cloudy

77°F

25°C

Humidity 60%
Wind Speed E 7 mph
Barometer 30.25 in (1023.8 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 29 Jul 1:52 pm CDT
Extended Forecast for

Napoleon ND

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 77. Northeast wind around 5 mph.

    High: 77 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers after midnight.  Mostly cloudy, with a low around 58. East wind 8 to 10 mph.  Chance of precipitation is 40%.

    Low: 58 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm.  Partly sunny, with a high near 73. East wind 9 to 14 mph, with gusts as high as 21 mph.

    High: 73 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55. Southeast wind 7 to 13 mph.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 74. Southeast wind 7 to 14 mph, with gusts as high as 21 mph.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56. Southeast wind 10 to 13 mph, with gusts as high as 18 mph.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers.  Partly sunny, with a high near 74. Breezy, with a southeast wind 13 to 22 mph, with gusts as high as 31 mph.

    High: 74 °F

    Slight Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 58. Southeast wind 16 to 18 mph, with gusts as high as 26 mph.

    Low: 58 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 74. Breezy, with a south wind 18 to 22 mph, with gusts as high as 32 mph.

    High: 74 °F

    Chance
    T-storms and
    Breezy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 77. Northeast wind around 5 mph.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers after midnight. Mostly cloudy, with a low around 58. East wind 8 to 10 mph. Chance of precipitation is 40%.
Wednesday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 73. East wind 9 to 14 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 55. Southeast wind 7 to 13 mph.
Thursday
Mostly sunny, with a high near 74. Southeast wind 7 to 14 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 56. Southeast wind 10 to 13 mph, with gusts as high as 18 mph.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 74. Breezy, with a southeast wind 13 to 22 mph, with gusts as high as 31 mph.
Friday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 58. Southeast wind 16 to 18 mph, with gusts as high as 26 mph.
Saturday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 74. Breezy, with a south wind 18 to 22 mph, with gusts as high as 32 mph.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 60. South wind 13 to 18 mph, with gusts as high as 25 mph.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. South wind 11 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 61. Northwest wind 8 to 11 mph becoming southeast after midnight.
Monday
A chance of showers. Partly sunny, with a high near 79. Southeast wind 8 to 13 mph, with gusts as high as 18 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Napoleon ND
 46.5°N 99.76°W
1:50 pm CDT Jul 29, 2025
2pm CDT Jul 29, 2025-6pm CDT Aug 4, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database