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

57°F

14°C

Humidity 39%
Wind Speed S 8 mph
Barometer 29.98 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 14 May 12:35 pm CDT
Extended Forecast for

5 Miles WNW Grand Portage MN

Red Flag Warning May 15, 12:00pm until May 15, 09:00pm
Click here for hazard details and duration
Red Flag Warning

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 57. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 57 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers, mainly before 4am. Low around 45. Southeast wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Showers

  • Friday

    Friday: Partly sunny, then gradually becoming sunny, with a high near 71. Breezy, with a southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 71 °F

    Becoming
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 51. Breezy, with a west wind 5 to 15 mph, with gusts as high as 30 mph.

    Low: 51 °F

    Clear and
    Breezy then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 67. Breezy, with a west wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 67 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38. Northwest wind around 5 mph becoming calm in the evening.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers after 1pm. Partly sunny, with a high near 54. Breezy, with an east wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 54 °F

    Mostly Sunny
    then Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Cloudy, with a low around 41. Breezy, with an east wind 10 to 15 mph, with gusts as high as 35 mph.

    Low: 41 °F

    Showers and
    Breezy

  • Monday

    Monday: Showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 60. Northeast wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 60 °F

    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 57. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Tonight
Showers, mainly before 4am. Low around 45. Southeast wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Partly sunny, then gradually becoming sunny, with a high near 71. Breezy, with a southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 51. Breezy, with a west wind 5 to 15 mph, with gusts as high as 30 mph.
Saturday
Sunny, with a high near 67. Breezy, with a west wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 38. Northwest wind around 5 mph becoming calm in the evening.
Sunday
A chance of showers after 1pm. Partly sunny, with a high near 54. Breezy, with an east wind 5 to 15 mph, with gusts as high as 30 mph.
Sunday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 41. Breezy, with an east wind 10 to 15 mph, with gusts as high as 35 mph.
Monday
Showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 60. Northeast wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Showers. Mostly cloudy, with a low around 42. Breezy, with a north wind 5 to 15 mph, with gusts as high as 30 mph.
Tuesday
A chance of showers. Mostly cloudy, with a high near 52. Breezy, with a north wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 35 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 35. Breezy, with a northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday
Mostly cloudy, with a high near 51. Northwest wind around 10 mph, with gusts as high as 25 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:
1:11 pm CDT May 14, 2026
Forecast Valid:
1pm CDT May 14, 2026-6pm CDT May 20, 2026
 
Forecast Discussion
 
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Additional Resources

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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