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

Hazardous Weather Conditions

Current conditions at

Grand Marais/Cook County Airport (KCKC)

Lat: 47.84°NLon: 90.39°WElev: 1784ft.

Snow

21°F

-6°C

Humidity 100%
Wind Speed E 17 G 25 mph
Barometer 29.50 in
Dewpoint 21°F (-6°C)
Visibility 0.50 mi
Wind Chill7°F (-14°C)
Last update 13 Mar 12:35 am CDT
Extended Forecast for

Grand Portage MN

Blizzard Warning March 13, 12:52am until March 13, 01:00pm
Click here for hazard details and duration
Blizzard Warning
  •  
    Blizzard Warning March 13, 12:52am until March 13, 01:00pm

    NOW until 1:00pm Fri

    Blizzard Warning

  • Overnight

    Low: 24 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Friday

    Friday: Snow, mainly before 11am. Patchy blowing snow before 9am. Steady temperature around 28. Blustery, with a northeast wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 28 °F

    Snow and
    Patchy
    Blowing Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 12. North wind around 5 mph, with gusts as high as 20 mph.

    Low: 12 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 30. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 30 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 18. Calm wind becoming northeast around 5 mph after midnight. Winds could gust as high as 15 mph.

    Low: 18 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 40 percent chance of snow. Mostly cloudy, with a high near 25. Blustery, with a northeast wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 25 °F

    Chance Snow
    and Blustery

  • Sunday Night

    Sunday Night: A chance of snow, mainly before 1am. Patchy blowing snow after 2am. Mostly cloudy, with a low around 6. Blustery, with a north wind 15 to 20 mph, with gusts as high as 50 mph.

    Low: 6 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Monday

    Monday: A slight chance of snow before 1pm. Patchy blowing snow before 1pm. Mostly cloudy, with a high near 16. Blustery, with a north wind around 20 mph, with gusts as high as 50 mph.

    High: 16 °F

    Slight Chance
    Snow and
    Patchy
    Blowing Snow

Detailed Forecast

Overnight
Snow, mainly after 1am. The snow could be heavy at times. Areas of blowing snow after 2am. Low around 24. Breezy, with an east wind 15 to 20 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 2 to 4 inches possible.
Friday
Snow, mainly before 11am. Patchy blowing snow before 9am. Steady temperature around 28. Blustery, with a northeast wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Friday Night
Partly cloudy, with a low around 12. North wind around 5 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 30. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
Mostly cloudy, with a low around 18. Calm wind becoming northeast around 5 mph after midnight. Winds could gust as high as 15 mph.
Sunday
A 40 percent chance of snow. Mostly cloudy, with a high near 25. Blustery, with a northeast wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday Night
A chance of snow, mainly before 1am. Patchy blowing snow after 2am. Mostly cloudy, with a low around 6. Blustery, with a north wind 15 to 20 mph, with gusts as high as 50 mph.
Monday
A slight chance of snow before 1pm. Patchy blowing snow before 1pm. Mostly cloudy, with a high near 16. Blustery, with a north wind around 20 mph, with gusts as high as 50 mph.
Monday Night
Mostly clear, with a low around 1. Blustery, with a north wind 10 to 15 mph, with gusts as high as 40 mph.
Tuesday
Mostly sunny, with a high near 21. Northwest wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 13. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
A slight chance of snow. Partly sunny, with a high near 32. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 23. Southwest wind around 5 mph, with gusts as high as 20 mph.
Thursday
A slight chance of rain and snow. Partly sunny, with a high near 39. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Portage MN
 47.96°N 89.69°W
Last Update:
12:11 am CDT Mar 13, 2026
Forecast Valid:
12am CDT Mar 13, 2026-6pm CDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation