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

44°F

7°C

Humidity 51%
Wind Speed SW 8 mph
Barometer 29.99 in (1015.9 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 2 May 6:52 am CDT
Extended Forecast for

Napoleon ND

  • Today

    Today: A slight chance of showers between 2pm and 4pm. Partly sunny, with a high near 70. Breezy, with a southwest wind 7 to 12 mph becoming southwest 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 20%.

    High: 70 °F

    Breezy.
    Partly Sunny
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 35. Breezy, with a north wind 16 to 21 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 28 mph.

    Low: 35 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 69. Breezy, with a west wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 69 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44. West wind 15 to 18 mph, with gusts as high as 26 mph.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 54. Windy, with a northwest wind 17 to 22 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 37 mph.

    High: 54 °F

    Chance
    Showers and
    Windy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30. Blustery, with a northwest wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph.

    Low: 30 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 48. Northwest wind 10 to 18 mph, with gusts as high as 26 mph.

    High: 48 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28. North wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 51. Light northwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 18 mph.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers between 2pm and 4pm. Partly sunny, with a high near 70. Breezy, with a southwest wind 7 to 12 mph becoming southwest 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 35. Breezy, with a north wind 16 to 21 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 28 mph.
Sunday
Sunny, with a high near 69. Breezy, with a west wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
Mostly cloudy, with a low around 44. West wind 15 to 18 mph, with gusts as high as 26 mph.
Monday
A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 54. Windy, with a northwest wind 17 to 22 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 37 mph.
Monday Night
Partly cloudy, with a low around 30. Blustery, with a northwest wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph.
Tuesday
Mostly sunny, with a high near 48. Northwest wind 10 to 18 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 28. North wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Wednesday
Mostly sunny, with a high near 51. Light northwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 30. North wind 5 to 11 mph becoming south after midnight.
Thursday
Mostly sunny, with a high near 59. South wind 5 to 10 mph becoming northwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 36. North wind 6 to 8 mph becoming south after midnight.
Friday
Mostly sunny, with a high near 65. Southwest wind 7 to 11 mph becoming northwest in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Napoleon ND
 46.5°N 99.76°W
Last Update:
6:36 am CDT May 2, 2026
Forecast Valid:
7am CDT May 2, 2026-6pm CDT May 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation