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

Tropical Storm Isaias in the Gulf; California Heat Continues

Tropical Storm Isaias is forecast to track toward the central U.S. Gulf Coast while strengthening into a hurricane on Thursday. Residents from Louisiana to the Florida Panhandle should closely monitor the latest updates. Much higher than typical October temperatures will continue across much of California through midweek. Temperatures are forecast to gradually cool beginning Thursday. Read More >

Current conditions at

Bismarck, Bismarck Municipal Airport (KBIS)

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

Fair

42°F

6°C

Humidity 89%
Wind Speed W 5 mph
Barometer 30.04 in (1017.5 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 7 Oct 5:52 am CDT
Extended Forecast for

Napoleon ND

  • Today

    Today: Sunny, with a high near 67. Breezy, with a northwest wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 67 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. Northwest wind 5 to 9 mph becoming calm after midnight.

    Low: 40 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 65. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44. Southeast wind 6 to 9 mph.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 73. South wind 9 to 17 mph, with gusts as high as 28 mph.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54. South wind 8 to 15 mph, with gusts as high as 25 mph.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 76. South wind 9 to 16 mph becoming west in the afternoon. Winds could gust as high as 25 mph.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46. North wind 11 to 18 mph, with gusts as high as 26 mph.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers. Mostly cloudy, with a high near 55. Breezy, with a north wind around 22 mph, with gusts as high as 32 mph.

    High: 55 °F

    Slight Chance
    Showers and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 67. Breezy, with a northwest wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.
Tonight
Mostly cloudy, with a low around 40. Northwest wind 5 to 9 mph becoming calm after midnight.
Thursday
Mostly sunny, with a high near 65. Calm wind becoming south 5 to 8 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 44. Southeast wind 6 to 9 mph.
Friday
Mostly sunny, with a high near 73. South wind 9 to 17 mph, with gusts as high as 28 mph.
Friday Night
Partly cloudy, with a low around 54. South wind 8 to 15 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 76. South wind 9 to 16 mph becoming west in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 46. North wind 11 to 18 mph, with gusts as high as 26 mph.
Sunday
A slight chance of showers. Mostly cloudy, with a high near 55. Breezy, with a north wind around 22 mph, with gusts as high as 32 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 37. Breezy, with a north wind 13 to 20 mph, with gusts as high as 30 mph.
Columbus Day
A chance of showers. Mostly cloudy, with a high near 47. North wind around 14 mph, with gusts as high as 22 mph.
Monday Night
A chance of showers. Mostly cloudy, with a low around 34. North wind 8 to 13 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 54. North wind 8 to 15 mph becoming west in the afternoon. Winds could gust as high as 24 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Napoleon ND
 46.52°N 99.76°W
Last Update:
6:26 am CDT Oct 7, 2026
Forecast Valid:
6am CDT Oct 7, 2026-6pm CDT Oct 13, 2026
 
Forecast Discussion
 
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Additional Resources

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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