Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Bismarck, Bismarck Municipal Airport (KBIS)

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

Overcast

8°F

-13°C

Humidity 83%
Wind Speed E 3 mph
Barometer 30.13 in (1024.4 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Last update 20 Jan 1:52 am CST
Extended Forecast for

Napoleon ND

  • Overnight

    Overnight: A chance of flurries before 3am.  Mostly cloudy, with a steady temperature around 2. Calm wind becoming southwest around 6 mph.

    Low: 2 °F

    Chance
    Flurries

  • Tuesday

    Tuesday: Snow likely, mainly between 8am and 1pm.  Mostly cloudy, with a high near 17. Southwest wind 7 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 17 °F

    Slight Chance
    Snow then
    Snow Likely

  • Tuesday Night

    Tuesday Night: A slight chance of snow before midnight, then a chance of snow after 5am.  Mostly cloudy, with a low around 12. Northwest wind 13 to 16 mph, with gusts as high as 24 mph.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 12 °F

    Chance Snow

  • Wednesday

    Wednesday: Snow likely before noon.  Widespread blowing snow, mainly between 9am and 4pm. Mostly cloudy, with a high near 22. Windy, with a northwest wind 20 to 25 mph increasing to 31 to 36 mph in the afternoon. Winds could gust as high as 47 mph.  Chance of precipitation is 60%.

    High: 22 °F

    Snow Likely
    and Blowing
    Snow then
    Blowing Snow
    and Windy

  • Wednesday Night

    Wednesday Night: Patchy blowing snow before 8pm. Mostly cloudy, with a low around -4. Blustery, with a northwest wind 14 to 23 mph, with gusts as high as 33 mph.

    Low: -4 °F

    Patchy
    Blowing Snow
    and Blustery
    then Mostly
    Cloudy

  • Thursday

    Thursday: Patchy blowing snow between 11am and 5pm. Partly sunny and cold, with a high near 2. Blustery, with a northwest wind 14 to 22 mph, with gusts as high as 29 mph.

    High: 2 °F

    Patchy
    Blowing Snow
    and Blustery

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -26. North wind 7 to 15 mph, with gusts as high as 23 mph.

    Low: -26 °F

    Partly Cloudy

  • Friday

    Friday: Sunny and cold, with a high near -12. Northwest wind around 7 mph becoming southwest in the afternoon.

    High: -12 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around -22. South wind around 7 mph.

    Low: -22 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of flurries before 3am. Mostly cloudy, with a steady temperature around 2. Calm wind becoming southwest around 6 mph.
Tuesday
Snow likely, mainly between 8am and 1pm. Mostly cloudy, with a high near 17. Southwest wind 7 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday Night
A slight chance of snow before midnight, then a chance of snow after 5am. Mostly cloudy, with a low around 12. Northwest wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Wednesday
Snow likely before noon. Widespread blowing snow, mainly between 9am and 4pm. Mostly cloudy, with a high near 22. Windy, with a northwest wind 20 to 25 mph increasing to 31 to 36 mph in the afternoon. Winds could gust as high as 47 mph. Chance of precipitation is 60%.
Wednesday Night
Patchy blowing snow before 8pm. Mostly cloudy, with a low around -4. Blustery, with a northwest wind 14 to 23 mph, with gusts as high as 33 mph.
Thursday
Patchy blowing snow between 11am and 5pm. Partly sunny and cold, with a high near 2. Blustery, with a northwest wind 14 to 22 mph, with gusts as high as 29 mph.
Thursday Night
Partly cloudy, with a low around -26. North wind 7 to 15 mph, with gusts as high as 23 mph.
Friday
Sunny and cold, with a high near -12. Northwest wind around 7 mph becoming southwest in the afternoon.
Friday Night
Partly cloudy, with a low around -22. South wind around 7 mph.
Saturday
Mostly sunny and cold, with a high near -1. South wind 7 to 11 mph.
Saturday Night
Partly cloudy, with a low around -14. South wind around 10 mph becoming southwest after midnight.
Sunday
Mostly sunny and cold, with a high near 7. West wind 10 to 14 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around -5. Southwest wind around 10 mph.
Monday
Mostly sunny, with a high near 17.
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ABOUT THIS FORECAST

 
Point Forecast:
Napoleon ND
 46.5°N 99.76°W
1:31 am CST Jan 20, 2026
2am CST Jan 20, 2026-6pm CST Jan 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

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