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Hazardous Weather Conditions

Current conditions at

Grand Marais/Cook County Airport (KCKC)

Lat: 47.84°NLon: 90.39°WElev: 1784ft.

Fair

34°F

1°C

Humidity 87%
Wind Speed Calm
Barometer 30.34 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 21 May 12:42 am CDT
Extended Forecast for

Grand Marais/Cook County Airport MN

Frost Advisory May 21, 01:00am until May 21, 08:00am
Click here for hazard details and duration
Frost Advisory

  • Overnight

    Overnight: Widespread frost, mainly between 1am and 5am. Otherwise, clear, with a temperature rising to around 35 by 3am. Calm wind.

    Low: 30 °F⇑

    Frost

  • Thursday

    Thursday: Areas of frost before 7am. Otherwise, sunny, with a high near 57. Light southeast wind becoming south 5 to 10 mph in the morning.

    High: 57 °F

    Areas Frost
    then Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 37. Southeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.

    Low: 37 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 58. East wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 58 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 40. East wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 40 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely. Mostly cloudy, with a high near 54. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 42. East wind around 5 mph becoming calm.

    Low: 42 °F

    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 63. West wind around 5 mph, with gusts as high as 15 mph.

    High: 63 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 47. Southwest wind around 5 mph becoming calm.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Overnight
Widespread frost, mainly between 1am and 5am. Otherwise, clear, with a temperature rising to around 35 by 3am. Calm wind.
Thursday
Areas of frost before 7am. Otherwise, sunny, with a high near 57. Light southeast wind becoming south 5 to 10 mph in the morning.
Thursday Night
Increasing clouds, with a low around 37. Southeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Friday
Mostly sunny, with a high near 58. East wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 40. East wind 5 to 10 mph, with gusts as high as 25 mph.
Saturday
Showers likely. Mostly cloudy, with a high near 54. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 42. East wind around 5 mph becoming calm.
Sunday
Partly sunny, with a high near 63. West wind around 5 mph, with gusts as high as 15 mph.
Sunday Night
Partly cloudy, with a low around 47. Southwest wind around 5 mph becoming calm.
Memorial Day
Mostly sunny, with a high near 70. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 52. Calm wind.
Tuesday
Sunny, with a high near 73. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 53. Calm wind.
Wednesday
Mostly sunny, with a high near 70. Calm wind becoming southeast around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais/Cook County Airport MN
 47.83°N 90.39°W
Last Update:
12:36 am CDT May 21, 2026
Forecast Valid:
12am CDT May 21, 2026-6pm CDT May 27, 2026
 
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Additional Resources

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Chance of Precipitation