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

Detroit/Grosse Ile, Grosse Ile Airport (KONZ)

Lat: 42.1°NLon: 83.16°WElev: 591ft.

Fair

75°F

24°C

Humidity 78%
Wind Speed NE 10 mph
Barometer 30.11 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 14 Aug 8:35 pm EDT
Extended Forecast for

Grosse Ile MI

  • Tonight

    Tonight: Partly cloudy, with a low around 66. Northeast wind 5 to 7 mph.

    Low: 66 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers, mainly between 10am and 3pm. Increasing clouds, with a high near 81. East northeast wind 5 to 8 mph becoming southeast in the afternoon. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 3am, then a chance of showers between 3am and 5am. Cloudy, with a low around 70. East southeast wind around 8 mph becoming south after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 70 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 84. Southwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 65. North northwest wind 7 to 9 mph. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 66. Northeast wind 5 to 7 mph.
Saturday
A chance of showers, mainly between 10am and 3pm. Increasing clouds, with a high near 81. East northeast wind 5 to 8 mph becoming southeast in the afternoon. Chance of precipitation is 30%.
Saturday Night
Showers and thunderstorms likely before 3am, then a chance of showers between 3am and 5am. Cloudy, with a low around 70. East southeast wind around 8 mph becoming south after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 84. Southwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 65. North northwest wind 7 to 9 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 79.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grosse Ile MI
 42.12°N 83.15°W (Elev. 584 ft)
Last Update:
4:24 pm EDT Aug 14, 2026
Forecast Valid:
8pm EDT Aug 14, 2026-6pm EDT Aug 21, 2026
 
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