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.

Fair

59°F

15°C

Humidity 77%
Wind Speed Calm
Barometer 30.16 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 28 Aug 8:35 am CDT
Extended Forecast for

5 Miles WSW Grand Portage MN

  • Today

    Today: Sunny, with a high near 68. Calm wind becoming south around 5 mph in the afternoon.

    High: 68 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 51. Southwest wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after noon. Mostly cloudy, with a high near 71. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 71 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers. Mostly cloudy, with a high near 71. East wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 71 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 58 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 73. East wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 73 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 58. North wind around 5 mph becoming west after midnight.

    Low: 58 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 68. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 51. Southwest wind around 5 mph becoming calm in the evening.
Saturday
A 20 percent chance of showers after noon. Mostly cloudy, with a high near 71. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 57. Calm wind.
Sunday
A 20 percent chance of showers. Mostly cloudy, with a high near 71. East wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
A chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 73. East wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
A slight chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 58. North wind around 5 mph becoming west after midnight.
Tuesday
Mostly sunny, with a high near 77. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 57. Northwest wind around 5 mph.
Wednesday
Mostly sunny, with a high near 74. Northwest wind around 5 mph becoming southwest in the afternoon.
Wednesday Night
Partly cloudy, with a low around 56. Calm wind.
Thursday
Partly sunny, with a high near 72. Northeast wind around 5 mph becoming east in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Grand Portage MN
 47.94°N 89.79°W
Last Update:
8:36 am CDT Aug 28, 2026
Forecast Valid:
8am CDT Aug 28, 2026-6pm CDT Sep 3, 2026
 
Forecast Discussion
 
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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