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

Grand Marais/Cook County Airport (KCKC)

Lat: 47.84°NLon: 90.39°WElev: 1784ft.

Fair

28°F

-2°C

Humidity 100%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 9 Nov 3:15 am CST
Extended Forecast for

Grand Portage MN

  • Overnight

    Overnight: Cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Cloudy

  • Monday

    Monday: A chance of sprinkles with a slight chance of rain before noon, then a chance of sprinkles between noon and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 49. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 49 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49. West wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 49 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. Northwest wind around 5 mph.

    Low: 34 °F

    Mostly Cloudy

  • Veterans Day

    Veterans Day: A 20 percent chance of rain. Mostly cloudy, with a high near 40. North wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 40 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27. North wind around 10 mph, with gusts as high as 25 mph.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 36. North wind around 10 mph, with gusts as high as 25 mph.

    High: 36 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 26. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 32. Calm wind.
Monday
A chance of sprinkles with a slight chance of rain before noon, then a chance of sprinkles between noon and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 49. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 38. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 49. West wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly cloudy, with a low around 34. Northwest wind around 5 mph.
Veterans Day
A 20 percent chance of rain. Mostly cloudy, with a high near 40. North wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly cloudy, with a low around 27. North wind around 10 mph, with gusts as high as 25 mph.
Thursday
Partly sunny, with a high near 36. North wind around 10 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 26. North wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 38. North wind around 5 mph, with gusts as high as 15 mph.
Friday Night
Partly cloudy, with a low around 28. Northwest wind around 5 mph.
Saturday
Mostly sunny, with a high near 41. Northwest wind around 5 mph becoming southwest in the morning.
Saturday Night
Partly cloudy, with a low around 32. Southwest wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 44. Calm wind becoming southwest around 5 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:
2:46 am CST Nov 9, 2026
Forecast Valid:
3am CST Nov 9, 2026-6pm CST Nov 15, 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