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.

Fair

59°F

15°C

Humidity 31%
Wind Speed NE 9 mph
Barometer 29.84 in (1011.5 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 29 Mar 7:52 pm CDT
Extended Forecast for

Napoleon ND

  • Tonight

    Tonight: Mostly cloudy, with a low around 30. North wind 7 to 15 mph becoming east after midnight. Winds could gust as high as 22 mph.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 56. East wind 13 to 17 mph becoming southwest in the afternoon. Winds could gust as high as 24 mph.

    High: 56 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of rain before 4am, then a chance of snow. Increasing clouds, with a low around 27. Blustery, with a north wind 14 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Chance Rain
    then Chance
    Rain/Snow and
    Blustery

  • Tuesday

    Tuesday: A 30 percent chance of snow before 7am. Partly sunny, with a high near 37. Windy, with a northwest wind 22 to 26 mph, with gusts as high as 33 mph.

    High: 37 °F

    Windy. Chance
    Snow then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 20. North wind 8 to 15 mph becoming east after midnight. Winds could gust as high as 21 mph.

    Low: 20 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow after 1pm. Mostly cloudy, with a high near 39. Breezy, with a southeast wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 39 °F

    Partly Sunny
    then Slight
    Chance Snow
    and Breezy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 27. Breezy, with a southeast wind around 22 mph, with gusts as high as 29 mph.

    Low: 27 °F

    Slight Chance
    Snow and
    Breezy

  • Thursday

    Thursday: A chance of snow. Mostly cloudy, with a high near 45. Windy, with a southeast wind 22 to 27 mph increasing to 28 to 33 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 45 °F

    Chance Snow
    and Windy

  • Thursday Night

    Thursday Night: Rain and snow likely, mainly after 1am. Cloudy, with a low around 32. Windy, with a southeast wind 25 to 29 mph, with gusts as high as 34 mph.

    Low: 32 °F

    Rain/Snow
    Likely and
    Windy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 30. North wind 7 to 15 mph becoming east after midnight. Winds could gust as high as 22 mph.
Monday
Mostly sunny, with a high near 56. East wind 13 to 17 mph becoming southwest in the afternoon. Winds could gust as high as 24 mph.
Monday Night
A chance of rain before 4am, then a chance of snow. Increasing clouds, with a low around 27. Blustery, with a north wind 14 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Tuesday
A 30 percent chance of snow before 7am. Partly sunny, with a high near 37. Windy, with a northwest wind 22 to 26 mph, with gusts as high as 33 mph.
Tuesday Night
Partly cloudy, with a low around 20. North wind 8 to 15 mph becoming east after midnight. Winds could gust as high as 21 mph.
Wednesday
A 20 percent chance of snow after 1pm. Mostly cloudy, with a high near 39. Breezy, with a southeast wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 29 mph.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 27. Breezy, with a southeast wind around 22 mph, with gusts as high as 29 mph.
Thursday
A chance of snow. Mostly cloudy, with a high near 45. Windy, with a southeast wind 22 to 27 mph increasing to 28 to 33 mph in the afternoon. Winds could gust as high as 40 mph.
Thursday Night
Rain and snow likely, mainly after 1am. Cloudy, with a low around 32. Windy, with a southeast wind 25 to 29 mph, with gusts as high as 34 mph.
Friday
Rain and snow likely. Mostly cloudy, with a high near 43. Windy, with a southeast wind 23 to 25 mph, with gusts as high as 31 mph.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Blustery, with a west wind 17 to 21 mph becoming northwest after midnight.
Saturday
A chance of snow. Mostly cloudy, with a high near 38. Windy, with a northwest wind 21 to 30 mph.
Saturday Night
Mostly cloudy, with a low around 23. Blustery, with a northwest wind 18 to 24 mph, with gusts as high as 30 mph.
Sunday
Mostly sunny, with a high near 41. Breezy.
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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:
7:36 pm CDT Mar 29, 2026
Forecast Valid:
8pm CDT Mar 29, 2026-6pm CDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation