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.

Overcast

41°F

5°C

Humidity 93%
Wind Speed Calm
Barometer 29.73 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 15 Apr 8:15 pm CDT
Extended Forecast for

Grand Marais/Cook County Airport MN

Dense Fog Advisory April 15, 10:00pm until April 16, 10:00am
Click here for hazard details and duration
Dense Fog Advisory

  • Tonight

    Tonight: Widespread dense fog, mainly between 1am and 5am. Otherwise, mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Dense Fog

  • Thursday

    Thursday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 54. Calm wind becoming southwest around 5 mph.

    High: 54 °F

    Areas Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of rain after 1am. Patchy fog between 8pm and 11pm. Otherwise, mostly cloudy, with a low around 33. East wind around 5 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Patchy Fog
    then Slight
    Chance Rain

  • Friday

    Friday: Rain likely and possibly a thunderstorm, mainly after 4pm. Mostly cloudy, with a high near 52. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 52 °F

    Mostly Cloudy
    then Rain
    Likely

  • Friday Night

    Friday Night: Rain likely before 10pm, then rain and snow likely between 10pm and 4am, then a chance of snow after 4am. Some thunder is also possible. Mostly cloudy, with a low around 21. Blustery, with a northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Rain/Snow
    Likely and
    Blustery

  • Saturday

    Saturday: Partly sunny, with a high near 31. Blustery, with a northwest wind around 15 mph, with gusts as high as 30 mph.

    High: 31 °F

    Partly Sunny
    and Blustery

  • Saturday Night

    Saturday Night: A slight chance of snow. Mostly cloudy, with a low around 16. Northwest wind around 10 mph, with gusts as high as 30 mph.

    Low: 16 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 35. Northwest wind around 10 mph, with gusts as high as 25 mph.

    High: 35 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 19. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.

    Low: 19 °F

    Mostly Clear

Detailed Forecast

Tonight
Widespread dense fog, mainly between 1am and 5am. Otherwise, mostly cloudy, with a low around 34. Calm wind.
Thursday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 54. Calm wind becoming southwest around 5 mph.
Thursday Night
A 20 percent chance of rain after 1am. Patchy fog between 8pm and 11pm. Otherwise, mostly cloudy, with a low around 33. East wind around 5 mph, with gusts as high as 20 mph.
Friday
Rain likely and possibly a thunderstorm, mainly after 4pm. Mostly cloudy, with a high near 52. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Rain likely before 10pm, then rain and snow likely between 10pm and 4am, then a chance of snow after 4am. Some thunder is also possible. Mostly cloudy, with a low around 21. Blustery, with a northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday
Partly sunny, with a high near 31. Blustery, with a northwest wind around 15 mph, with gusts as high as 30 mph.
Saturday Night
A slight chance of snow. Mostly cloudy, with a low around 16. Northwest wind around 10 mph, with gusts as high as 30 mph.
Sunday
Mostly sunny, with a high near 35. Northwest wind around 10 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 19. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Monday
Mostly sunny, with a high near 43. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 32. South wind around 5 mph becoming west after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 49. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 29. Northwest wind around 5 mph, with gusts as high as 15 mph.
Wednesday
Mostly sunny, with a high near 48. North wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 15 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais/Cook County Airport MN
 47.83°N 90.39°W
Last Update:
4:26 pm CDT Apr 15, 2026
Forecast Valid:
8pm CDT Apr 15, 2026-6pm CDT Apr 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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