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

Dangerous Heat with Severe Storm Chances Continue

Very hot, humid weather and additional severe thunderstorm chances are in store for northern Michigan through Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Mackinac Island Airport (KMCD)

Lat: 45.87°NLon: 84.63°WElev: 738ft.

Fair

70°F

21°C

Humidity 88%
Wind Speed W 9 mph
Barometer 29.85 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 1 Jul 11:35 pm EDT
Extended Forecast for

Mackinac Island MI

Heat Advisory July 1, 11:44pm until July 2, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 1, 11:44pm until July 2, 08:00pm

    NOW until 8:00pm Thu

    Heat Advisory

  • Tonight

    Low: 63 °F

    Showers
    Likely

  • Thursday

    Thursday: A 30 percent chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 82. West wind 10 to 15 mph.

    High: 82 °F

    Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 63. West wind around 10 mph.

    Low: 63 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 84. West wind 5 to 10 mph.

    High: 84 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 61. Northwest wind 5 to 10 mph.

    Low: 61 °F

    Slight Chance
    Showers

  • Independence Day

    Independence Day: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 8pm. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers before 2pm. Partly sunny, with a high near 76.

    High: 76 °F

    Chance
    Showers

Detailed Forecast

Tonight
Scattered showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 63. West wind 5 to 15 mph. Chance of precipitation is 70%.
Thursday
A 30 percent chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 82. West wind 10 to 15 mph.
Thursday Night
Increasing clouds, with a low around 63. West wind around 10 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 84. West wind 5 to 10 mph.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 61. Northwest wind 5 to 10 mph.
Independence Day
Mostly sunny, with a high near 81.
Saturday Night
A 30 percent chance of showers after 8pm. Mostly cloudy, with a low around 62.
Sunday
A chance of showers before 2pm. Partly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mackinac Island MI
 45.86°N 84.62°W (Elev. 768 ft)
Last Update:
11:38 pm EDT Jul 1, 2026
Forecast Valid:
11pm EDT Jul 1, 2026-6pm EDT Jul 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation