Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.

Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Grand Marais/Cook County Airport (KCKC)

Lat: 47.84°NLon: 90.39°WElev: 1784ft.

Fair

55°F

13°C

Humidity 94%
Wind Speed Calm
Barometer 30.19 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 31 Aug 2:35 am CDT
Extended Forecast for

36 Miles NW Grand Marais/Cook County Airport MN

  • Overnight

    Overnight: A slight chance of sprinkles.  Mostly clear, with a low around 57. Calm wind becoming southwest around 5 mph.

    Low: 57 °F

    Slight Chance
    Sprinkles

  • Sunday

    Sunday: A slight chance of sprinkles before 9am.  Sunny, with a high near 81. West wind around 5 mph.

    High: 81 °F

    Slight Chance
    Sprinkles

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58. Southwest wind around 5 mph.

    Low: 58 °F

    Partly Cloudy

  • Labor Day

    Labor Day: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 79. Southwest wind around 5 mph.

    High: 79 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am.  Partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers and possibly a thunderstorm after 1pm.  High near 73. Calm wind becoming west around 5 mph in the afternoon. Winds could gust as high as 15 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 73 °F

    Chance
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers.  Cloudy, with a low around 41. North wind around 5 mph, with gusts as high as 15 mph.

    Low: 41 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers.  Mostly cloudy, with a high near 51. North wind around 5 mph, with gusts as high as 20 mph.

    High: 51 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers.  Mostly cloudy, with a low around 36. North wind around 5 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Chance
    Showers

Detailed Forecast

Overnight
A slight chance of sprinkles. Mostly clear, with a low around 57. Calm wind becoming southwest around 5 mph.
Sunday
A slight chance of sprinkles before 9am. Sunny, with a high near 81. West wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 58. Southwest wind around 5 mph.
Labor Day
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 79. Southwest wind around 5 mph.
Monday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 56. Calm wind.
Tuesday
A chance of showers, then showers and possibly a thunderstorm after 1pm. High near 73. Calm wind becoming west around 5 mph in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Cloudy, with a low around 41. North wind around 5 mph, with gusts as high as 15 mph.
Wednesday
A chance of showers. Mostly cloudy, with a high near 51. North wind around 5 mph, with gusts as high as 20 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 36. North wind around 5 mph, with gusts as high as 20 mph.
Thursday
A chance of showers. Mostly cloudy, with a high near 52. Northwest wind around 5 mph, with gusts as high as 20 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 40. West wind around 5 mph.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 58. Northwest wind around 5 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 40. Northwest wind around 5 mph, with gusts as high as 15 mph.
Saturday
Mostly sunny, with a high near 60. Northwest wind around 5 mph, with gusts as high as 15 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
36 Miles NW Grand Marais/Cook County Airport MN
 48.22°N 90.9°W
1:40 am CDT Aug 31, 2025
2am CDT Aug 31, 2025-6pm CDT Sep 6, 2025
 
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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