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

Extreme Fire Weather Concerns for the Western U.S.; Severe Weather and Flooding Threats for the Central U.S.

Extremely critical fire weather conditions are expected to develop across the Great Basin and Southwest today, and exceptionally dry and windy conditions will promote rapid wildfire spread through the weekend. Scattered severe thunderstorms and heavy rain are possible across parts of the Ozark Plateau into lower Ohio Valley and parts of the northern Rockies into adjacent Great Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Bismarck, Bismarck Municipal Airport (KBIS)

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

Overcast and Breezy

71°F

22°C

Humidity 79%
Wind Speed SE 21 G 28 mph
Barometer 29.66 in (1003.7 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 27 Jun 10:52 am CDT
Extended Forecast for

Napoleon ND

Wind Advisory June 27, 11:29am until June 27, 07:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory June 27, 11:29am until June 27, 07:00pm

    NOW until 7:00pm Sat

    Wind Advisory

  • Today

    High: 80 °F

    Chance
    Showers and
    Windy

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then a chance of showers and thunderstorms after 3am. Some of the storms could be severe. Mostly cloudy, with a low around 63. Windy, with a southeast wind 20 to 28 mph, with gusts as high as 38 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Severe
    Thunderstorms
    and Windy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 84. Breezy, with a south wind 13 to 20 mph, with gusts as high as 29 mph.

    High: 84 °F

    Chance
    Showers and
    Breezy then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 61. South wind 6 to 10 mph becoming east after midnight.

    Low: 61 °F

    Partly Cloudy
    then Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Breezy, with a northeast wind 10 to 15 mph becoming west 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 50%.

    High: 82 °F

    Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. Southwest wind 13 to 17 mph, with gusts as high as 28 mph.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. Breezy, with a west wind 17 to 23 mph, with gusts as high as 33 mph.

    High: 81 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58. West wind 7 to 16 mph becoming southeast after midnight. Winds could gust as high as 25 mph.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly before noon. Mostly cloudy, with a high near 80. Windy, with a southeast wind 31 to 36 mph, with gusts as high as 48 mph.
Tonight
A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then a chance of showers and thunderstorms after 3am. Some of the storms could be severe. Mostly cloudy, with a low around 63. Windy, with a southeast wind 20 to 28 mph, with gusts as high as 38 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 84. Breezy, with a south wind 13 to 20 mph, with gusts as high as 29 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 61. South wind 6 to 10 mph becoming east after midnight.
Monday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Breezy, with a northeast wind 10 to 15 mph becoming west 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 50%.
Monday Night
Mostly clear, with a low around 57. Southwest wind 13 to 17 mph, with gusts as high as 28 mph.
Tuesday
Sunny, with a high near 81. Breezy, with a west wind 17 to 23 mph, with gusts as high as 33 mph.
Tuesday Night
Mostly clear, with a low around 58. West wind 7 to 16 mph becoming southeast after midnight. Winds could gust as high as 25 mph.
Wednesday
Mostly sunny, with a high near 85. South wind 8 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 61. Southeast wind 7 to 10 mph.
Thursday
Sunny, with a high near 89. Southeast wind 8 to 16 mph, with gusts as high as 26 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. East wind 13 to 15 mph, with gusts as high as 21 mph.
Friday
Mostly sunny and hot, with a high near 92. Breezy, with a southeast wind 13 to 23 mph, with gusts as high as 32 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:
10:36 am CDT Jun 27, 2026
Forecast Valid:
11am CDT Jun 27, 2026-6pm CDT Jul 3, 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