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.

65°F

18°C

Humidity 76%
Wind Speed Vrbl 3 mph
Barometer 29.99 in (1015.1 mb)
Dewpoint 57°F (14°C)
Visibility NA
Last update 14 Jul 10:51 pm EDT
Extended Forecast for

14 Miles SW Isle Royale National Park MI

  • Tonight

    Tonight: A chance of showers, with thunderstorms also possible after 2am. Areas of smoke. Cloudy, with a low around 55. North wind around 5 mph becoming east after midnight. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 70. East wind around 5 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 70 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am, then showers likely and possibly a thunderstorm after 2am. Cloudy, with a low around 54. North wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 67. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 67 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 56. North wind around 5 mph.

    Low: 56 °F

    Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of showers, with thunderstorms also possible after 2am. Areas of smoke. Cloudy, with a low around 55. North wind around 5 mph becoming east after midnight. Chance of precipitation is 40%.
Tuesday
Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 70. East wind around 5 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am, then showers likely and possibly a thunderstorm after 2am. Cloudy, with a low around 54. North wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 67. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 56. North wind around 5 mph.
Thursday
Sunny, with a high near 73.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 74.
Friday Night
Mostly cloudy, with a low around 57.
Saturday
Partly sunny, with a high near 71.
Saturday Night
Mostly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SW Isle Royale National Park MI
 48°N 88.85°W (Elev. 702 ft)
Last Update:
9:29 pm EDT Jul 14, 2025
Forecast Valid:
11pm EDT Jul 14, 2025-6pm EDT Jul 21, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation