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

Scattered severe storms possible Saturday, very hot and humid late this weekend into early next week.

Scattered severe storms are possible Saturday morning across northern Michigan, followed by very hot and humid weather with heat index values potentially reaching 100 degrees or more. Read More >

Hazardous Weather Conditions

Current conditions at

Mackinac Island Airport (KMCD)

Lat: 45.87°NLon: 84.63°WElev: 738ft.

Fair

55°F

13°C

Humidity 94%
Wind Speed E 8 mph
Barometer 29.92 in
Dewpoint 54°F (12°C)
Visibility 7.00 mi
Wind Chill53°F (12°C)
Last update 21 Jun 12:55 am EDT
Extended Forecast for

Mackinac Island MI

  • Overnight

    Overnight: A 30 percent chance of showers, mainly after 5am. Mostly cloudy, with a low around 57. Southeast wind around 10 mph.

    Low: 57 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms, mainly before 2pm. Patchy fog before 9am. High near 78. Southeast wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    High: 78 °F

    Showers and
    Patchy Fog

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 65. West wind around 15 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 81. Southwest wind around 15 mph.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 2am. Mostly clear, with a low around 69. Southwest wind around 15 mph.

    Low: 69 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 80.

    High: 80 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
A 30 percent chance of showers, mainly after 5am. Mostly cloudy, with a low around 57. Southeast wind around 10 mph.
Saturday
Showers and thunderstorms, mainly before 2pm. Patchy fog before 9am. High near 78. Southeast wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Saturday Night
A slight chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 65. West wind around 15 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 81. Southwest wind around 15 mph.
Sunday Night
A 20 percent chance of showers after 2am. Mostly clear, with a low around 69. Southwest wind around 15 mph.
Monday
A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 80.
Monday Night
A 40 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 60.
Tuesday
Partly sunny, with a high near 72.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 56.
Wednesday
A chance of showers. Mostly cloudy, with a high near 67.
Wednesday Night
Showers likely. Cloudy, with a low around 56.
Thursday
Showers likely. Mostly cloudy, with a high near 68.
Thursday Night
Showers likely. Mostly cloudy, with a low around 57.
Friday
A chance of showers. Mostly cloudy, with a high near 68.
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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:
12:08 am EDT Jun 21, 2025
Forecast Valid:
1am EDT Jun 21, 2025-6pm EDT Jun 27, 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