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 Vrbl 6 mph
Barometer 29.91 in
Dewpoint 54°F (12°C)
Visibility 7.00 mi
Wind Chill54°F (12°C)
Last update 21 Jun 1:55 am EDT
Extended Forecast for

Mackinaw City MI

Heat Advisory June 21, 12:00pm until June 22, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: A slight chance of showers, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 58. Southeast wind around 5 mph. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms, mainly before 2pm. High near 76. South wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    High: 76 °F

    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 67. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    T-storms and
    Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 81. Southwest wind around 15 mph, with gusts as high as 30 mph.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 71. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 71 °F

    Mostly Clear

  • Monday

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

    High: 80 °F

    Sunny then
    Chance
    T-storms and
    Breezy

  • 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 70.

    High: 70 °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 slight chance of showers, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 58. Southeast wind around 5 mph. Chance of precipitation is 30%.
Saturday
Showers and thunderstorms, mainly before 2pm. High near 76. South 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 67. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 81. Southwest wind around 15 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 71. Southwest wind around 15 mph, with gusts as high as 25 mph.
Monday
A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 80. Breezy.
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 70.
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 65.
Wednesday Night
Showers likely. Cloudy, with a low around 57.
Thursday
Showers likely. Mostly cloudy, with a high near 66.
Thursday Night
Showers likely. Mostly cloudy, with a low around 57.
Friday
A chance of showers. Mostly cloudy, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mackinaw City MI
 45.78°N 84.72°W (Elev. 577 ft)
Last Update:
2:08 am EDT Jun 21, 2025
Forecast Valid:
2am 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