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

Hazardous Weather Conditions

Current conditions at

Copper Harbor (KP59)

Lat: 47.47°NLon: 87.88°WElev: 623ft.

72°F

22°C

Humidity 82%
Wind Speed SW 7 mph
Barometer 30.08 in (1017.6 mb)
Dewpoint 66°F (19°C)
Visibility NA
Last update 12 Jul 8:51 am EDT
Extended Forecast for

17 Miles WSW Isle Royale National Park MI

Heat Advisory July 12, 12:00pm until July 12, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly sunny, with a high near 87. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 87 °F

    Chance
    Showers then
    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 71. West wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 71 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny and hot, with a high near 90. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 90 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 77. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 35 mph.

    Low: 77 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98. West wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 93.

    High: 93 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly sunny, with a high near 87. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 71. West wind 10 to 15 mph, with gusts as high as 30 mph.
Monday
Mostly sunny and hot, with a high near 90. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 77. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 35 mph.
Tuesday
Sunny and hot, with a high near 98. West wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
Mostly sunny and hot, with a high near 93.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 76.
Friday Night
A chance of showers. Partly cloudy, with a low around 61.
Saturday
A chance of showers. Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
17 Miles WSW Isle Royale National Park MI
 48°N 88.91°W (Elev. 1348 ft)
Last Update:
8:07 am EDT Jul 12, 2026
Forecast Valid:
9am EDT Jul 12, 2026-6pm EDT Jul 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation