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

Hazardous Weather Conditions

Current conditions at

Bismarck, Bismarck Municipal Airport (KBIS)

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

Fair

51°F

11°C

Humidity 48%
Wind Speed NA
Barometer 29.65 in (1003.5 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 15 May 3:52 am CDT
Extended Forecast for

Napoleon ND

Wind Advisory May 15, 04:09am until May 15, 09:00pm
Red Flag Warning May 15, 04:09am until May 15, 09:00pm
Click here for hazard details and duration
Wind Advisory
Red Flag Warning
  •  
    Wind Advisory May 15, 04:09am until May 15, 09:00pm
    Red Flag Warning May 15, 04:09am until May 15, 09:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 75 °F

    Patchy
    Blowing Dust
    and Windy

  • Tonight

    Tonight: Patchy blowing dust before 9pm. Partly cloudy, with a low around 44. Windy, with a west wind 18 to 28 mph decreasing to 7 to 17 mph after midnight. Winds could gust as high as 38 mph.

    Low: 44 °F

    Patchy
    Blowing Dust
    and Windy
    then Partly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 74. West wind 6 to 10 mph becoming east in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers likely after 1am. Increasing clouds, with a low around 45. Windy, with an east wind 16 to 21 mph increasing to 24 to 29 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 60%.

    Low: 45 °F

    Mostly Cloudy
    and Breezy
    then Showers
    Likely and
    Windy

  • Sunday

    Sunday: Showers. High near 60. Windy, with an east wind 22 to 28 mph, with gusts as high as 37 mph. Chance of precipitation is 90%.

    High: 60 °F

    Showers and
    Windy

  • Sunday Night

    Sunday Night: A 40 percent chance of showers. Cloudy, with a low around 37. Breezy, with a north wind around 23 mph, with gusts as high as 32 mph.

    Low: 37 °F

    Chance
    Showers and
    Breezy

  • Monday

    Monday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 51. Windy, with a north wind 24 to 29 mph, with gusts as high as 38 mph. Chance of precipitation is 60%.

    High: 51 °F

    Showers
    Likely and
    Windy

  • Monday Night

    Monday Night: Showers. Cloudy, with a low around 33. Windy, with a north wind 25 to 28 mph, with gusts as high as 36 mph.

    Low: 33 °F

    Showers and
    Windy

Detailed Forecast

Today
Patchy blowing dust after 11am. Sunny, with a high near 75. Windy, with a west wind 8 to 18 mph increasing to 22 to 32 mph. Winds could gust as high as 44 mph.
Tonight
Patchy blowing dust before 9pm. Partly cloudy, with a low around 44. Windy, with a west wind 18 to 28 mph decreasing to 7 to 17 mph after midnight. Winds could gust as high as 38 mph.
Saturday
Mostly sunny, with a high near 74. West wind 6 to 10 mph becoming east in the afternoon.
Saturday Night
Showers likely after 1am. Increasing clouds, with a low around 45. Windy, with an east wind 16 to 21 mph increasing to 24 to 29 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 60%.
Sunday
Showers. High near 60. Windy, with an east wind 22 to 28 mph, with gusts as high as 37 mph. Chance of precipitation is 90%.
Sunday Night
A 40 percent chance of showers. Cloudy, with a low around 37. Breezy, with a north wind around 23 mph, with gusts as high as 32 mph.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 51. Windy, with a north wind 24 to 29 mph, with gusts as high as 38 mph. Chance of precipitation is 60%.
Monday Night
Showers. Cloudy, with a low around 33. Windy, with a north wind 25 to 28 mph, with gusts as high as 36 mph.
Tuesday
A chance of showers, mainly before 1pm. Mostly cloudy, with a high near 49. Breezy, with a northwest wind around 24 mph, with gusts as high as 32 mph.
Tuesday Night
Widespread frost, mainly after 3am. Otherwise, mostly cloudy, with a low around 31. Northwest wind 7 to 17 mph becoming west after midnight. Winds could gust as high as 25 mph.
Wednesday
Partly sunny, with a high near 61. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 38. North wind 9 to 11 mph becoming southeast after midnight. Winds could gust as high as 18 mph.
Thursday
Mostly sunny, with a high near 70. South wind 14 to 16 mph, with gusts as high as 22 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:
3:36 am CDT May 15, 2026
Forecast Valid:
4am CDT May 15, 2026-6pm CDT May 21, 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