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

43°F

6°C

Humidity 87%
Wind Speed SE 3 mph
Barometer 30.20 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 14 Oct 11:55 pm CDT
Extended Forecast for

5 Miles ENE Grand Portage MN

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 44. Calm wind.

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers, mainly after noon. High near 50. South wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers, mainly before 10pm. Low around 38. Breezy, with a southwest wind 5 to 10 mph becoming north 10 to 15 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Showers then
    Chance
    Showers and
    Breezy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 47. Breezy, with a north wind 15 to 20 mph, with gusts as high as 40 mph.

    High: 47 °F

    Decreasing
    Clouds and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 34. Northwest wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 55. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 55 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 42. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph.

    Low: 42 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 59. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 40 mph.

    High: 59 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 41. Breezy, with a west wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 41 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 44. Calm wind.
Thursday
Showers, mainly after noon. High near 50. South wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Showers, mainly before 10pm. Low around 38. Breezy, with a southwest wind 5 to 10 mph becoming north 10 to 15 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 47. Breezy, with a north wind 15 to 20 mph, with gusts as high as 40 mph.
Friday Night
Mostly clear, with a low around 34. Northwest wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 55. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 42. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph.
Sunday
Mostly sunny, with a high near 59. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 40 mph.
Sunday Night
Partly cloudy, with a low around 41. Breezy, with a west wind 5 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 59. Southwest wind around 5 mph.
Monday Night
Mostly clear, with a low around 38. West wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 57. North wind around 5 mph becoming southeast in the afternoon.
Tuesday Night
Partly cloudy, with a low around 41. East wind around 5 mph becoming south after midnight.
Wednesday
A slight chance of showers. Partly sunny, with a high near 58. South wind 5 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Grand Portage MN
 48°N 89.6°W
Last Update:
11:11 pm CDT Oct 14, 2026
Forecast Valid:
12am CDT Oct 15, 2026-6pm CDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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