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

79°F

26°C

Humidity 58%
Wind Speed W 8 G 17 mph
Barometer 29.85 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 16 May 5:55 pm EDT
Extended Forecast for

Isle Saint George OH

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 61. Southwest wind 11 to 13 mph. Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 67. Southwest wind 5 to 8 mph becoming east in the afternoon. Chance of precipitation is 30%.

    High: 67 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 62. South wind 10 to 14 mph.

    Low: 62 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 73. South wind 14 to 17 mph.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of showers, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 68. South wind 15 to 17 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 11am, then a slight chance of showers between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 76. Breezy. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Chance
    Showers then
    Showers
    Likely and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Breezy. Chance of precipitation is 70%.

    Low: 60 °F

    Showers
    Likely and
    Breezy

  • Wednesday

    Wednesday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 49. Breezy.

    Low: 49 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 61. Southwest wind 11 to 13 mph. Chance of precipitation is 20%.
Sunday
A chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 67. Southwest wind 5 to 8 mph becoming east in the afternoon. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 62. South wind 10 to 14 mph.
Monday
Sunny, with a high near 73. South wind 14 to 17 mph.
Monday Night
A slight chance of showers, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 68. South wind 15 to 17 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms before 11am, then a slight chance of showers between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 76. Breezy. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Breezy. Chance of precipitation is 70%.
Wednesday
Partly sunny, with a high near 67.
Wednesday Night
Mostly cloudy, with a low around 49. Breezy.
Thursday
Partly sunny, with a high near 60.
Thursday Night
Mostly cloudy, with a low around 52.
Friday
Partly sunny, with a high near 63. Breezy.
Friday Night
Mostly cloudy, with a low around 56. Breezy.
Saturday
Partly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Isle Saint George OH
 41.73°N 82.82°W (Elev. 571 ft)
Last Update:
4:02 pm EDT May 16, 2026
Forecast Valid:
6pm EDT May 16, 2026-6pm EDT May 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation