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.

Drizzle

39°F

4°C

Humidity 100%
Wind Speed E 9 mph
Barometer 29.85 in
Dewpoint 39°F (4°C)
Visibility 2.50 mi
Wind Chill33°F (1°C)
Last update 17 May 11:15 pm CDT
Extended Forecast for

Grand Marais/Cook County Airport MN

  • Overnight

    Overnight: A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am. Cloudy, with a low around 41. East wind around 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.

    Low: 41 °F

    Showers
    Likely

  • Monday

    Monday: A 30 percent chance of showers, mainly before 7am. Mostly cloudy, with a high near 53. Northeast wind around 5 mph.

    High: 53 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday Night

    Monday Night: Showers, mainly after midnight. Low around 36. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Chance
    Showers then
    Showers

  • Tuesday

    Tuesday: Showers likely, mainly between 11am and 1pm. Mostly cloudy, with a high near 42. Northwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 42 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Widespread frost after 1am. Otherwise, mostly cloudy, with a low around 30. Northwest wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph.

    Low: 30 °F

    Mostly Cloudy
    then Frost

  • Wednesday

    Wednesday: Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 51. Northwest wind around 5 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 51 °F

    Frost then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Areas of frost after 11pm. Otherwise, mostly clear, with a low around 35. Southwest wind around 5 mph becoming calm.

    Low: 35 °F

    Areas Frost

  • Thursday

    Thursday: Mostly sunny, with a high near 57. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 57 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers after 1am. Mostly cloudy, with a low around 39. Southeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.

    Low: 39 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am. Cloudy, with a low around 41. East wind around 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.
Monday
A 30 percent chance of showers, mainly before 7am. Mostly cloudy, with a high near 53. Northeast wind around 5 mph.
Monday Night
Showers, mainly after midnight. Low around 36. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Showers likely, mainly between 11am and 1pm. Mostly cloudy, with a high near 42. Northwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Widespread frost after 1am. Otherwise, mostly cloudy, with a low around 30. Northwest wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph.
Wednesday
Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 51. Northwest wind around 5 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Wednesday Night
Areas of frost after 11pm. Otherwise, mostly clear, with a low around 35. Southwest wind around 5 mph becoming calm.
Thursday
Mostly sunny, with a high near 57. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Thursday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 39. Southeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Friday
A chance of showers before 1pm. Partly sunny, with a high near 58. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 15 mph.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 41. Northeast wind around 5 mph.
Saturday
A chance of showers. Mostly cloudy, with a high near 60. Northeast wind around 5 mph becoming southeast in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 44. East wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Sunday
A slight chance of showers. Partly sunny, with a high near 64. Southeast wind around 5 mph, with gusts as high as 15 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais/Cook County Airport MN
 47.83°N 90.39°W
Last Update:
12:02 am CDT May 18, 2026
Forecast Valid:
1am CDT May 18, 2026-6pm CDT May 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation