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.

Light Rain

45°F

7°C

Humidity 100%
Wind Speed Calm
Barometer 29.48 in
Dewpoint 45°F (7°C)
Visibility 0.15 mi
Last update 12 Apr 3:15 pm CDT
Extended Forecast for

Grand Marais/Cook County Airport MN

Dense Fog Advisory until April 13, 01:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until April 13, 01:00am

    NOW until 1:00am Mon

    Dense Fog Advisory

  • This Afternoon

    High: 49 °F

    Showers
    Likely and
    Areas Dense
    Fog

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Areas of dense fog before 9pm, then patchy dense fog after 10pm. Otherwise, mostly cloudy, with a low around 36. Calm wind becoming northwest around 5 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 50%.

    Low: 36 °F

    Chance
    T-storms and
    Areas Dense
    Fog then
    Patchy Fog

  • Monday

    Monday: Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 46. Northwest wind around 5 mph becoming calm. Winds could gust as high as 15 mph.

    High: 46 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Showers likely. Patchy fog between 10pm and 11pm. Otherwise, mostly cloudy, with a low around 31. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 31 °F

    Showers
    Likely and
    Patchy Fog

  • Tuesday

    Tuesday: A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 40. Northeast wind around 5 mph, with gusts as high as 20 mph.

    High: 40 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain after 1pm. Partly sunny, with a high near 45. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 45 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain. Mostly cloudy, with a low around 31. Northeast wind around 5 mph, with gusts as high as 15 mph.

    Low: 31 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm before 5pm, then a chance of showers and thunderstorms after 5pm. Areas of dense fog. Otherwise, mostly cloudy, with a high near 49. South wind around 5 mph becoming calm. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Areas of dense fog before 9pm, then patchy dense fog after 10pm. Otherwise, mostly cloudy, with a low around 36. Calm wind becoming northwest around 5 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Monday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 46. Northwest wind around 5 mph becoming calm. Winds could gust as high as 15 mph.
Monday Night
Showers likely. Patchy fog between 10pm and 11pm. Otherwise, mostly cloudy, with a low around 31. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 40. Northeast wind around 5 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 29. Calm wind.
Wednesday
A slight chance of rain after 1pm. Partly sunny, with a high near 45. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 31. Northeast wind around 5 mph, with gusts as high as 15 mph.
Thursday
A slight chance of rain before 1pm. Partly sunny, with a high near 53. Northeast wind around 5 mph becoming south in the afternoon.
Thursday Night
A chance of rain, mainly after 1am. Partly cloudy, with a low around 34. East wind around 5 mph, with gusts as high as 15 mph.
Friday
Rain likely. Mostly cloudy, with a high near 49. East wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Rain and snow likely. Mostly cloudy, with a low around 23. Northwest wind around 10 mph, with gusts as high as 25 mph.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 36. Northwest wind around 10 mph, with gusts as high as 25 mph.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 20. Northwest wind around 10 mph, with gusts as high as 20 mph.
Sunday
A slight chance of snow. Mostly sunny, with a high near 39. West wind around 10 mph, with gusts as high as 25 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais/Cook County Airport MN
 47.83°N 90.39°W
Last Update:
3:12 pm CDT Apr 12, 2026
Forecast Valid:
3pm CDT Apr 12, 2026-6pm CDT Apr 19, 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