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Hazardous Weather Conditions
Current conditions at
Grand Marais/Cook County Airport (KCKC)
Lat: 47.84°NLon: 90.39°WElev: 1784ft.N/A
| Humidity | NA |
| Wind Speed | NA |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | *** Not a current observation *** |
Extended Forecast for
5 Miles WNW Grand Portage MN
Frost Advisory May 22, 12:00am until May 22, 07:00am
Tonight

Low: 34 °F
Frost
Friday

High: 57 °F
Areas Frost
then Mostly
SunnyFriday Night
Low: 39 °F
Mostly Cloudy
then Chance
ShowersSaturday

High: 53 °F
Showers
Saturday Night

Low: 42 °F
Slight Chance
ShowersSunday

High: 66 °F
Mostly Sunny
Sunday Night

Low: 47 °F
Slight Chance
ShowersMemorial Day

High: 71 °F
Mostly Sunny
Monday Night

Low: 50 °F
Partly Cloudy
Detailed Forecast
Tonight
Widespread frost, mainly between 4am and 5am. Otherwise, mostly cloudy, with a low around 34. Calm wind.
Friday
Areas of frost before 7am. Otherwise, mostly sunny, with a high near 57. Light east wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 39. East wind 5 to 10 mph, with gusts as high as 25 mph.
Saturday
Showers, mainly before 1pm. High near 53. East wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 42. East wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 66. Calm wind becoming south around 5 mph in the afternoon. Winds could gust as high as 15 mph.
Sunday Night
A slight chance of showers before 1am. Partly cloudy, with a low around 47. Southwest wind around 5 mph becoming calm in the evening.
Memorial Day
Mostly sunny, with a high near 71. Light southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Monday Night
Partly cloudy, with a low around 50. South wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Tuesday
Mostly sunny, with a high near 75. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 51. Southeast wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 71. Calm wind becoming east around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 50. East wind around 5 mph becoming calm.
Thursday
Mostly sunny, with a high near 70. Calm wind becoming southeast around 5 mph in the afternoon.
Basemap Options
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ABOUT THIS FORECAST
Point Forecast:
5 Miles WNW Grand Portage MN
48°N 89.79°W
48°N 89.79°W
9:52 pm CDT May 21, 2026
10pm CDT May 21, 2026-6pm CDT May 28, 2026



