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

Bismarck, Bismarck Municipal Airport (KBIS)

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

Overcast

30°F

-1°C

Humidity 69%
Wind Speed NE 3 mph
Barometer 30.14 in (1022.6 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 9 Apr 7:52 am CDT
Extended Forecast for

Napoleon ND

  • Today

    Today: A 30 percent chance of snow, mainly before 2pm. Mostly cloudy, with a high near 38. West wind 3 to 8 mph. Little or no snow accumulation expected.

    High: 38 °F

    Chance Snow

  • Tonight

    Tonight: Mostly clear, with a low around 25. Southwest wind 6 to 8 mph.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 49. Southwest wind 6 to 10 mph.

    High: 49 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 37. Breezy, with a southeast wind 10 to 15 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 30 mph.

    Low: 37 °F

    Partly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Saturday

    Saturday: A 20 percent chance of rain before 1pm. Mostly cloudy, with a high near 59. Windy, with a southeast wind 23 to 29 mph, with gusts as high as 37 mph.

    High: 59 °F

    Slight Chance
    Rain and
    Windy

  • Saturday Night

    Saturday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 50. Southeast wind 15 to 18 mph, with gusts as high as 26 mph.

    Low: 50 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A 30 percent chance of rain, mainly before 1pm. Mostly sunny, with a high near 71. Breezy, with a south wind 14 to 20 mph becoming west in the afternoon. Winds could gust as high as 26 mph.

    High: 71 °F

    Chance Rain
    and Breezy

  • Sunday Night

    Sunday Night: A slight chance of rain. Partly cloudy, with a low around 40. Northwest wind 11 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 40 °F

    Slight Chance
    Rain

  • Monday

    Monday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 50. Northeast wind 13 to 18 mph, with gusts as high as 24 mph.

    High: 50 °F

    Rain Likely

Detailed Forecast

Today
A 30 percent chance of snow, mainly before 2pm. Mostly cloudy, with a high near 38. West wind 3 to 8 mph. Little or no snow accumulation expected.
Tonight
Mostly clear, with a low around 25. Southwest wind 6 to 8 mph.
Friday
Sunny, with a high near 49. Southwest wind 6 to 10 mph.
Friday Night
Increasing clouds, with a low around 37. Breezy, with a southeast wind 10 to 15 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 30 mph.
Saturday
A 20 percent chance of rain before 1pm. Mostly cloudy, with a high near 59. Windy, with a southeast wind 23 to 29 mph, with gusts as high as 37 mph.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 50. Southeast wind 15 to 18 mph, with gusts as high as 26 mph.
Sunday
A 30 percent chance of rain, mainly before 1pm. Mostly sunny, with a high near 71. Breezy, with a south wind 14 to 20 mph becoming west in the afternoon. Winds could gust as high as 26 mph.
Sunday Night
A slight chance of rain. Partly cloudy, with a low around 40. Northwest wind 11 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph.
Monday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 50. Northeast wind 13 to 18 mph, with gusts as high as 24 mph.
Monday Night
A chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 29. Northeast wind around 17 mph, with gusts as high as 23 mph.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 43. North wind around 16 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 29. East wind 9 to 13 mph.
Wednesday
Mostly sunny, with a high near 56. Southeast wind 10 to 17 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Napoleon ND
 46.5°N 99.76°W
Last Update:
7:36 am CDT Apr 9, 2026
Forecast Valid:
8am CDT Apr 9, 2026-6pm CDT Apr 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation