Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Plains to the Upper Midwest

A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S and linger through much of the work week. Numerous daily record highs and warm lows are likely. Severe thunderstorms are possible from the southern Plains through the Upper Mississippi Valley. Fire weather concerns are expected to persist across the Four Corners region. Read More >

Hazardous Weather Conditions

Current conditions at

Grand Marais/Cook County Airport (KCKC)

Lat: 47.84°NLon: 90.39°WElev: 1784ft.

Thunderstorm

66°F

19°C

Humidity 100%
Wind Speed Calm
Barometer 29.72 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 23 Jun 6:35 am CDT
Extended Forecast for

15 Miles NNW Grand Marais/Cook County Airport MN

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly before 11am.  Mostly cloudy, then gradually becoming sunny, with a high near 77. West wind around 10 mph, with gusts as high as 25 mph.

    High: 77 °F

    Chance
    T-storms then
    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 48. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73. Northwest wind around 5 mph.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers after 1pm.  Partly sunny, with a high near 75. Calm wind becoming south around 5 mph in the afternoon.

    High: 75 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers.  Mostly cloudy, with a low around 50. Southeast wind around 5 mph becoming calm.

    Low: 50 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A chance of showers.  Mostly cloudy, with a high near 70. East wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 70 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers, mainly before 1am.  Mostly cloudy, with a low around 49. East wind around 5 mph, with gusts as high as 15 mph.

    Low: 49 °F

    Chance
    Showers

  • Friday

    Friday: A slight chance of showers before 1pm.  Mostly sunny, with a high near 74. Northeast wind around 5 mph.

    High: 74 °F

    Slight Chance
    Showers

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 77. West wind around 10 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 48. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 73. Northwest wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 46. Calm wind.
Wednesday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 75. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 50. Southeast wind around 5 mph becoming calm.
Thursday
A chance of showers. Mostly cloudy, with a high near 70. East wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
A chance of showers, mainly before 1am. Mostly cloudy, with a low around 49. East wind around 5 mph, with gusts as high as 15 mph.
Friday
A slight chance of showers before 1pm. Mostly sunny, with a high near 74. Northeast wind around 5 mph.
Friday Night
A slight chance of showers after 1am. Partly cloudy, with a low around 51. Southeast wind around 5 mph becoming calm in the evening.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the morning. Winds could gust as high as 15 mph.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 55. Southwest wind around 5 mph becoming calm in the evening.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 79. Calm wind becoming west around 5 mph in the morning. Winds could gust as high as 15 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NNW Grand Marais/Cook County Airport MN
 48.06°N 90.47°W
6:10 am CDT Jun 23, 2025
6am CDT Jun 23, 2025-6pm CDT Jun 29, 2025
 
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Additional Resources

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Hourly Weather Forecast

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