National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

Hazardous Weather Conditions

Current conditions at

Grand Marais/Cook County Airport (KCKC)

Lat: 47.84°NLon: 90.39°WElev: 1784ft.

61°F

16°C

Humidity 72%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 18 Jul 6:28 pm CDT
Extended Forecast for

2 Miles WSW Grand Marais/Cook County Airport MN

  • Tonight

    Tonight: A chance of showers and thunderstorms. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 49. Calm wind. Chance of precipitation is 50%.

    Low: 49 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 74. Calm wind becoming northwest around 5 mph in the morning.

    High: 74 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Areas of smoke. Partly cloudy, with a low around 51. Northwest wind around 5 mph becoming calm.

    Low: 51 °F

    Areas Smoke

  • Sunday

    Sunday: Areas of smoke before 8am. Mostly sunny, with a high near 74. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 74 °F

    Areas Smoke
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 71. Southeast wind around 5 mph, with gusts as high as 15 mph.

    High: 71 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. East wind around 5 mph, with gusts as high as 15 mph.

    Low: 55 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Partly sunny, with a high near 75. East wind around 5 mph becoming south in the afternoon.

    High: 75 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Southwest wind around 5 mph becoming calm.

    Low: 59 °F

    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 49. Calm wind. Chance of precipitation is 50%.
Saturday
Patchy fog before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 74. Calm wind becoming northwest around 5 mph in the morning.
Saturday Night
Areas of smoke. Partly cloudy, with a low around 51. Northwest wind around 5 mph becoming calm.
Sunday
Areas of smoke before 8am. Mostly sunny, with a high near 74. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 52. Calm wind.
Monday
A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 71. Southeast wind around 5 mph, with gusts as high as 15 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. East wind around 5 mph, with gusts as high as 15 mph.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 75. East wind around 5 mph becoming south in the afternoon.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Southwest wind around 5 mph becoming calm.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 77. West wind around 5 mph.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Northwest wind around 5 mph becoming calm in the evening.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 75. Northwest wind around 5 mph becoming southwest in the afternoon.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 54. Southwest wind around 5 mph becoming calm.
Friday
A slight chance of showers. Mostly sunny, with a high near 77. Calm wind becoming southwest around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Grand Marais/Cook County Airport MN
 47.83°N 90.42°W
Last Update:
5:57 pm CDT Jul 18, 2025
Forecast Valid:
6pm CDT Jul 18, 2025-6pm CDT Jul 25, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation