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
Grand Portage MN
Today
High: 69 °F
Patchy Fog
then CloudyTonight
Low: 59 °F
Showers
Likely and
Patchy FogMonday
High: 75 °F
Heavy Rain
and Patchy
Fog then
Slight Chance
T-stormsMonday Night
Low: 59 °F
Partly Cloudy
Tuesday
High: 79 °F
Mostly Sunny
Tuesday Night
Low: 58 °F
Mostly Cloudy
Wednesday
High: 76 °F
Partly Sunny
Wednesday Night
Low: 56 °F
Partly Cloudy
Thursday
High: 72 °F
Mostly Sunny
Detailed Forecast
Today
Patchy fog between 10am and 11am. Otherwise, cloudy, with a high near 69. Light northeast wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tonight
A slight chance of showers before 1am, then a chance of showers and thunderstorms between 1am and 5am, then showers likely and possibly a thunderstorm after 5am. Patchy fog after 9pm. Otherwise, cloudy, with a low around 59. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers and thunderstorms likely, mainly before noon. Some of the storms could produce heavy rainfall. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 75. Northeast wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Partly cloudy, with a low around 59. West wind around 5 mph.
Tuesday
Mostly sunny, with a high near 79. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 58. Northwest wind around 5 mph, with gusts as high as 15 mph.
Wednesday
Partly sunny, with a high near 76. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 56. Calm wind.
Thursday
Mostly sunny, with a high near 72. North wind around 5 mph becoming east in the afternoon.
Thursday Night
A slight chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 55. East wind around 5 mph becoming calm.
Friday
A slight chance of showers. Mostly sunny, with a high near 71. East wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 56. Northeast wind around 5 mph.
Saturday
Mostly sunny, with a high near 73. Northeast wind 5 to 10 mph becoming east in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Grand Portage MN
47.96°N 89.69°W
47.96°N 89.69°W
6:01 am CDT Aug 30, 2026
6am CDT Aug 30, 2026-6pm CDT Sep 5, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
