Current conditions at

Grand Marais/Cook County Airport (KCKC)

Lat: 47.84°NLon: 90.39°WElev: 1784ft.

Fair

34°F

1°C

Humidity 87%
Wind Speed NW 6 mph
Barometer 30.10 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 19 May 11:55 pm CDT
Extended Forecast for

Grand Portage MN

Freeze Warning until May 20, 08:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning until May 20, 08:00am

    NOW until 8:00am Wed

    Freeze Warning

  • Overnight

    Low: 33 °F

    Frost

  • Wednesday

    Wednesday: Areas of frost before 8am.  Otherwise, mostly sunny, with a high near 52. Northwest wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 15 mph.

    High: 52 °F

    Areas Frost
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Areas of frost after 2am.  Otherwise, clear, with a low around 36. Southwest wind around 5 mph becoming calm  in the evening. Winds could gust as high as 15 mph.

    Low: 36 °F

    Clear then
    Areas Frost

  • Thursday

    Thursday: Sunny, with a high near 56. Calm wind becoming south around 5 mph in the morning.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 38 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 57. Light east wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers after 1am.  Mostly cloudy, with a low around 40. Northeast wind around 5 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers.  Mostly cloudy, with a high near 55. East wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 55 °F

    Chance
    Showers

Detailed Forecast

Overnight
Widespread frost, mainly after 2am. Otherwise, partly cloudy, with a low around 33. Northwest wind around 5 mph, with gusts as high as 15 mph.
Wednesday
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 52. Northwest wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 15 mph.
Wednesday Night
Areas of frost after 2am. Otherwise, clear, with a low around 36. Southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Thursday
Sunny, with a high near 56. Calm wind becoming south around 5 mph in the morning.
Thursday Night
Partly cloudy, with a low around 38. Southeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 57. Light east wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Friday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 40. Northeast wind around 5 mph, with gusts as high as 20 mph.
Saturday
A chance of showers. Mostly cloudy, with a high near 55. East wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
A chance of showers, mainly before 1am. Mostly cloudy, with a low around 41. East wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 61. Calm wind becoming south around 5 mph in the morning.
Sunday Night
Partly cloudy, with a low around 44. Southwest wind around 5 mph becoming calm in the evening.
Memorial Day
Partly sunny, with a high near 66. Light and variable wind becoming south 5 to 10 mph in the morning.
Monday Night
Partly cloudy, with a low around 47. South wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 68. East wind around 5 mph becoming south in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Portage MN
 47.98°N 89.69°W
9:16 pm CDT May 19, 2026
12am CDT May 20, 2026-6pm CDT May 26, 2026
 
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Additional Resources

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