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.

Overcast

27°F

-3°C

Humidity 100%
Wind Speed SW 10 G 21 mph
Barometer 29.44 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 8 Mar 12:35 am CDT
Extended Forecast for

5 Miles WNW Grand Portage MN

  • Tonight

    Tonight: Snow before 4am, then a slight chance of rain. Temperature rising to around 36 by 5am. Breezy, with a southwest wind 10 to 15 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 31 °F⇑

    Rain/Snow and
    Breezy

  • Sunday

    Sunday: A 20 percent chance of rain after 5pm. Mostly sunny, with a high near 46. Breezy, with a west wind 10 to 15 mph, with gusts as high as 35 mph.

    High: 46 °F

    Breezy. Sunny
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain, mainly before 8pm. Mostly cloudy, with a low around 31. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.

    Low: 31 °F

    Chance Rain

  • Monday

    Monday: Mostly sunny, with a high near 40. West wind 5 to 10 mph, with gusts as high as 30 mph.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of snow after midnight. 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
    then Chance
    Snow

  • Tuesday

    Tuesday: A 40 percent chance of snow. Mostly cloudy, with a high near 27. East wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 27 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A chance of snow. Mostly cloudy, with a low around 14. Northeast wind around 5 mph, with gusts as high as 20 mph.

    Low: 14 °F

    Chance Snow

  • Wednesday

    Wednesday: A slight chance of snow. Partly sunny, with a high near 27. North wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 27 °F

    Slight Chance
    Snow

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 8. North wind around 5 mph becoming calm after midnight. Winds could gust as high as 20 mph.

    Low: 8 °F

    Mostly Clear

Detailed Forecast

Tonight
Snow before 4am, then a slight chance of rain. Temperature rising to around 36 by 5am. Breezy, with a southwest wind 10 to 15 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.
Sunday
A 20 percent chance of rain after 5pm. Mostly sunny, with a high near 46. Breezy, with a west wind 10 to 15 mph, with gusts as high as 35 mph.
Sunday Night
A 30 percent chance of rain, mainly before 8pm. Mostly cloudy, with a low around 31. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 40. West wind 5 to 10 mph, with gusts as high as 30 mph.
Monday Night
A 40 percent chance of snow after midnight. Mostly cloudy, with a low around 18. Calm wind becoming northeast around 5 mph after midnight. Winds could gust as high as 15 mph.
Tuesday
A 40 percent chance of snow. Mostly cloudy, with a high near 27. East wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 14. Northeast wind around 5 mph, with gusts as high as 20 mph.
Wednesday
A slight chance of snow. Partly sunny, with a high near 27. North wind 5 to 10 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 8. North wind around 5 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Thursday
A slight chance of snow after noon. Mostly sunny, with a high near 27. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Snow likely. Mostly cloudy, with a low around 14. Southeast wind 5 to 10 mph becoming northeast after midnight. Winds could gust as high as 25 mph.
Friday
A chance of snow. Mostly cloudy, with a high near 28. North wind around 10 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 5. Northwest wind around 5 mph, with gusts as high as 20 mph.
Saturday
A slight chance of snow. Partly sunny, with a high near 25. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Grand Portage MN
 48°N 89.79°W
Last Update:
10:46 pm CST Mar 7, 2026
Forecast Valid:
11pm CST Mar 7, 2026-6pm CDT Mar 14, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation