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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

52°F

11°C

Humidity 88%
Wind Speed S 5 mph
Barometer 29.79 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 18 May 1:35 pm CDT
Extended Forecast for

5 Miles WNW Grand Portage MN

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 54. Calm wind becoming northeast around 5 mph.

    High: 54 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers after 2am. Low around 38. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Slight Chance
    T-storms then
    Showers

  • Tuesday

    Tuesday: A chance of showers before 10am, then a chance of sprinkles after 5pm. Mostly cloudy, with a high near 46. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 46 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Areas of frost before 1am, then widespread frost after 2am. Otherwise, mostly cloudy, with a low around 30. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 30 °F

    Frost

  • Wednesday

    Wednesday: Widespread frost, mainly before 8am. Otherwise, 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

    Frost then
    Sunny

  • Wednesday Night

    Wednesday Night: Widespread frost, mainly after 1am. Otherwise, mostly clear, with a low around 33. South wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.

    Low: 33 °F

    Frost

  • Thursday

    Thursday: Areas of frost before 7am. Otherwise, sunny, with a high near 59. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 59 °F

    Areas Frost
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37. Southeast wind around 5 mph becoming calm.

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 59. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 59 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 54. Calm wind becoming northeast around 5 mph.
Tonight
Showers and thunderstorms likely, then showers after 2am. Low around 38. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A chance of showers before 10am, then a chance of sprinkles after 5pm. Mostly cloudy, with a high near 46. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Tuesday Night
Areas of frost before 1am, then widespread frost after 2am. Otherwise, mostly cloudy, with a low around 30. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Widespread frost, mainly before 8am. Otherwise, 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
Widespread frost, mainly after 1am. Otherwise, mostly clear, with a low around 33. South wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Thursday
Areas of frost before 7am. Otherwise, sunny, with a high near 59. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Thursday Night
Partly cloudy, with a low around 37. Southeast wind around 5 mph becoming calm.
Friday
Partly sunny, with a high near 59. Light and variable wind becoming southeast 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 38. East wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Saturday
A chance of showers. Mostly cloudy, with a high near 57. Light northeast wind becoming east 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 41. East wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 64. Calm wind becoming south around 5 mph in the afternoon.
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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:
1:36 pm CDT May 18, 2026
Forecast Valid:
1pm CDT May 18, 2026-6pm CDT May 24, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation