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Hazardous Weather Conditions

Current conditions at

Grand Marais/Cook County Airport (KCKC)

Lat: 47.84°NLon: 90.39°WElev: 1784ft.

Overcast

45°F

7°C

Humidity 87%
Wind Speed S 3 mph
Barometer 29.75 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 15 Apr 3:35 pm CDT
Extended Forecast for

5 Miles WNW Grand Portage MN

Dense Fog Advisory April 15, 10:00pm until April 16, 10:00am
Click here for hazard details and duration
Dense Fog Advisory

  • Tonight

    Tonight: Areas of fog before 3am. Areas of freezing fog after 3am. Otherwise, mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Areas
    Freezing Fog
    and Areas Fog

  • Thursday

    Thursday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 52. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 52 °F

    Areas Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of rain after 1am. Patchy fog between 10pm and midnight. Otherwise, mostly cloudy, with a low around 31. Southeast wind around 5 mph becoming northeast after midnight. Winds could gust as high as 15 mph.

    Low: 31 °F

    Patchy Fog
    then Slight
    Chance Rain

  • Friday

    Friday: Rain likely and possibly a thunderstorm, mainly after 4pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 51. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 51 °F

    Patchy Fog
    then Rain
    Likely

  • Friday Night

    Friday Night: Rain likely, possibly mixed with snow before 4am, then a chance of snow. Some thunder is also possible. Mostly cloudy, with a low around 23. Northwest wind 5 to 10 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Rain/Snow
    Likely

  • Saturday

    Saturday: A 20 percent chance of snow before 1pm. Mostly cloudy, with a high near 33. Breezy, with a northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 33 °F

    Slight Chance
    Snow and
    Breezy

  • Saturday Night

    Saturday Night: A slight chance of snow after 1am. Mostly cloudy, with a low around 18. Northwest wind around 10 mph, with gusts as high as 30 mph.

    Low: 18 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: Partly sunny, with a high near 36. Northwest wind around 10 mph, with gusts as high as 25 mph.

    High: 36 °F

    Partly 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 20 mph.

    Low: 19 °F

    Mostly Clear

Detailed Forecast

Tonight
Areas of fog before 3am. Areas of freezing fog after 3am. Otherwise, mostly cloudy, with a low around 32. Calm wind.
Thursday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 52. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
A 20 percent chance of rain after 1am. Patchy fog between 10pm and midnight. Otherwise, mostly cloudy, with a low around 31. Southeast wind around 5 mph becoming northeast after midnight. Winds could gust as high as 15 mph.
Friday
Rain likely and possibly a thunderstorm, mainly after 4pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 51. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Rain likely, possibly mixed with snow before 4am, then a chance of snow. Some thunder is also possible. Mostly cloudy, with a low around 23. Northwest wind 5 to 10 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday
A 20 percent chance of snow before 1pm. Mostly cloudy, with a high near 33. Breezy, with a northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Saturday Night
A slight chance of snow after 1am. Mostly cloudy, with a low around 18. Northwest wind around 10 mph, with gusts as high as 30 mph.
Sunday
Partly sunny, with a high near 36. 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 20 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 51. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 29. Northwest wind around 5 mph, with gusts as high as 15 mph.
Wednesday
Mostly sunny, with a high near 48. North wind around 5 mph becoming east 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:
2:30 pm CDT Apr 15, 2026
Forecast Valid:
3pm CDT Apr 15, 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