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Hazardous Weather Conditions

Current conditions at

Grand Marais/Cook County Airport (KCKC)

Lat: 47.84°NLon: 90.39°WElev: 1784ft.

Fair

45°F

7°C

Humidity 87%
Wind Speed Calm
Barometer 29.76 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 16 Apr 8:15 am CDT
Extended Forecast for

5 Miles WNW Grand Portage MN

Dense Fog Advisory April 16, 08:33am until April 16, 10:00am
Click here for hazard details and duration
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  •  
    Dense Fog Advisory April 16, 08:33am until April 16, 10:00am

    NOW until 10:00am Thu

    Dense Fog Advisory

  • Today

    High: 52 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of rain, mainly between 3am and 5am. Patchy fog before 10pm, then patchy fog after midnight. Otherwise, mostly cloudy, with a low around 32. East wind around 5 mph, with gusts as high as 15 mph.

    Low: 32 °F

    Patchy Fog
    then Chance
    Rain and
    Patchy Fog

  • Friday

    Friday: Rain, with thunderstorms also possible after 4pm. Patchy fog before 9am. High near 52. East wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 52 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Rain

  • Friday Night

    Friday Night: Rain likely before 4am, then a slight chance of snow. Some thunder is also possible. Patchy fog between 8pm and 9pm. Otherwise, mostly cloudy, with a low around 23. Northwest wind 5 to 10 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 23 °F

    Rain Likely
    and Patchy
    Fog then
    Rain/Snow
    Likely

  • Saturday

    Saturday: A 10 percent chance of snow before 7am. Mostly cloudy, with a high near 33. Breezy, with a west wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 33 °F

    Slight Chance
    Snow then
    Mostly Cloudy
    and Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 18. Northwest wind 5 to 10 mph, with gusts as high as 30 mph.

    Low: 18 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 38. Northwest wind around 10 mph, with gusts as high as 25 mph.

    High: 38 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 19. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.

    Low: 19 °F

    Mostly Clear

Detailed Forecast

Today
Areas of dense fog before 10am. Otherwise, mostly sunny, with a high near 52. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
A 30 percent chance of rain, mainly between 3am and 5am. Patchy fog before 10pm, then patchy fog after midnight. Otherwise, mostly cloudy, with a low around 32. East wind around 5 mph, with gusts as high as 15 mph.
Friday
Rain, with thunderstorms also possible after 4pm. Patchy fog before 9am. High near 52. East wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Rain likely before 4am, then a slight chance of snow. Some thunder is also possible. Patchy fog between 8pm and 9pm. Otherwise, mostly cloudy, with a low around 23. Northwest wind 5 to 10 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday
A 10 percent chance of snow before 7am. Mostly cloudy, with a high near 33. Breezy, with a west wind 10 to 15 mph, with gusts as high as 30 mph.
Saturday Night
Mostly cloudy, with a low around 18. Northwest wind 5 to 10 mph, with gusts as high as 30 mph.
Sunday
Mostly sunny, with a high near 38. Northwest wind around 10 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 19. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Monday
Mostly sunny, with a high near 44. Light southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 32. South wind around 5 mph becoming west after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 52. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 30. Northwest wind around 5 mph.
Wednesday
Sunny, with a high near 49. North wind around 5 mph becoming northeast in the afternoon. Winds could gust as high as 15 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:
7:41 am CDT Apr 16, 2026
Forecast Valid:
8am CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation