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

36°F

2°C

Humidity 65%
Wind Speed Calm
Barometer 30.29 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 11 Apr 8:35 am CDT
Extended Forecast for

5 Miles WNW Grand Portage MN

  • Today

    Today: Sunny, with a high near 42. Calm wind becoming south around 5 mph in the afternoon.

    High: 42 °F

    Sunny

  • Tonight

    Tonight: Showers, mainly after 8pm. Low around 31. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 31 °F

    Chance
    Showers then
    Showers

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 52. Southeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 52 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am. Mostly cloudy, with a low around 37. Southwest wind around 5 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

    Low: 37 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 48. Northwest wind around 5 mph becoming east in the afternoon. Winds could gust as high as 15 mph.

    High: 48 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 31. Calm wind becoming northeast around 5 mph after midnight. Winds could gust as high as 15 mph.

    Low: 31 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, mainly before 1pm. Mostly cloudy, with a high near 42. East wind around 5 mph, with gusts as high as 15 mph.

    High: 42 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 33. Northeast wind around 5 mph, with gusts as high as 15 mph.

    Low: 33 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, mainly before 1pm. Mostly cloudy, with a high near 48. Northeast wind around 5 mph becoming northwest in the afternoon.

    High: 48 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 42. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Showers, mainly after 8pm. Low around 31. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 52. Southeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am. Mostly cloudy, with a low around 37. Southwest wind around 5 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 48. Northwest wind around 5 mph becoming east in the afternoon. Winds could gust as high as 15 mph.
Monday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 31. Calm wind becoming northeast around 5 mph after midnight. Winds could gust as high as 15 mph.
Tuesday
A chance of showers, mainly before 1pm. Mostly cloudy, with a high near 42. East wind around 5 mph, with gusts as high as 15 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 33. Northeast wind around 5 mph, with gusts as high as 15 mph.
Wednesday
A chance of showers, mainly before 1pm. Mostly cloudy, with a high near 48. Northeast wind around 5 mph becoming northwest in the afternoon.
Wednesday Night
A chance of showers, mainly after 1am. Mostly cloudy, with a low around 32. West wind around 5 mph becoming calm.
Thursday
A chance of showers. Partly sunny, with a high near 55. North wind around 5 mph becoming south in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 30. Northeast wind around 5 mph, with gusts as high as 20 mph.
Friday
A chance of showers. Mostly cloudy, with a high near 45. North wind 5 to 10 mph, with gusts as high as 20 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Grand Portage MN
 48°N 89.79°W
Last Update:
7:22 am CDT Apr 11, 2026
Forecast Valid:
8am CDT Apr 11, 2026-6pm CDT Apr 17, 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