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

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Hazardous Weather Conditions

Current conditions at

Grand Marais/Cook County Airport (KCKC)

Lat: 47.84°NLon: 90.39°WElev: 1784ft.

Mostly Cloudy

-6°F

-21°C

Humidity 64%
Wind Speed NW 8 mph
Barometer 29.78 in
Dewpoint -15°F (-26°C)
Visibility 10.00 mi
Wind Chill-21°F (-29°C)
Last update 1 Jan 6:35 am CST
Extended Forecast for

9 Miles WNW Grand Marais/Cook County Airport MN

Cold Weather Advisory January 1, 06:51am until January 1, 10:00am
Click here for hazard details and duration
...
  •  
    Cold Weather Advisory January 1, 06:51am until January 1, 10:00am

    NOW until 10:00am Thu

    Cold Weather Advisory

  • New Year's Day

    High: 3 °F

    Chance
    Flurries

  • Tonight

    Tonight: Mostly clear, with a low around -9. Wind chill values between -20 and -25. Northwest wind around 10 mph, with gusts as high as 25 mph.

    Low: -9 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 6. Wind chill values between -15 and -25. Blustery, with a northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 6 °F

    Sunny and
    Blustery

  • Friday Night

    Friday Night: Increasing clouds, with a low around -3. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: -3 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 10. Northwest wind around 5 mph, with gusts as high as 20 mph.

    High: 10 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around -8. Northwest wind around 5 mph, with gusts as high as 20 mph.

    Low: -8 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow after noon. Mostly cloudy, with a high near 14. Northwest wind around 5 mph becoming calm.

    High: 14 °F

    Partly Sunny
    then Chance
    Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before midnight. Cloudy, with a low around 7. Southeast wind around 5 mph becoming calm.

    Low: 7 °F

    Snow Likely

Detailed Forecast

New Year's Day
A chance of flurries between 11am and 4pm. Mostly sunny and cold, with a high near 3. Wind chill values between -20 and -30. Northwest wind around 10 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around -9. Wind chill values between -20 and -25. Northwest wind around 10 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 6. Wind chill values between -15 and -25. Blustery, with a northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Friday Night
Increasing clouds, with a low around -3. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 10. Northwest wind around 5 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around -8. Northwest wind around 5 mph, with gusts as high as 20 mph.
Sunday
A chance of snow after noon. Mostly cloudy, with a high near 14. Northwest wind around 5 mph becoming calm.
Sunday Night
Snow likely, mainly before midnight. Cloudy, with a low around 7. Southeast wind around 5 mph becoming calm.
Monday
Mostly cloudy, with a high near 24. Calm wind becoming east around 5 mph.
Monday Night
Mostly cloudy, with a low around 13. Calm wind becoming south around 5 mph after midnight.
Tuesday
A chance of snow. Mostly cloudy, with a high near 28. South wind around 5 mph becoming west in the afternoon. Winds could gust as high as 15 mph.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 9. West wind around 5 mph, with gusts as high as 15 mph.
Wednesday
Partly sunny, with a high near 23. West wind around 5 mph, with gusts as high as 15 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Grand Marais/Cook County Airport MN
 47.9°N 90.57°W
Last Update:
5:26 am CST Jan 1, 2026
Forecast Valid:
6am CST Jan 1, 2026-6pm CST Jan 7, 2026
 
Forecast Discussion
 
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Additional Resources

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