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.

Fog/Mist

59°F

15°C

Humidity 100%
Wind Speed E 5 mph
Barometer 30.06 in
Dewpoint 59°F (15°C)
Visibility 4.00 mi
Last update 11 Oct 9:15 am EDT
Extended Forecast for

Flat Rock MI

  • Today

    Today: Rain likely, mainly before noon. Cloudy, with a high near 67. East northeast wind around 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Rain Likely
    then Chance
    Rain

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 54. Light and variable wind.

    Low: 54 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Columbus Day

    Columbus Day: Patchy dense fog before 11am. Otherwise, partly sunny, with a high near 77. Light southwest wind becoming south southwest 5 to 10 mph in the morning.

    High: 77 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Monday Night

    Monday Night: A chance of rain after 2am. Partly cloudy, with a low around 64. Southwest wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.

    Low: 64 °F

    Partly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: A chance of rain before 8am. Mostly sunny, with a high near 80. Southwest wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 80 °F

    Chance Rain
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain after 2pm. Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny
    then Chance
    Rain

Detailed Forecast

Today
Rain likely, mainly before noon. Cloudy, with a high near 67. East northeast wind around 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Patchy fog after 2am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 54. Light and variable wind.
Columbus Day
Patchy dense fog before 11am. Otherwise, partly sunny, with a high near 77. Light southwest wind becoming south southwest 5 to 10 mph in the morning.
Monday Night
A chance of rain after 2am. Partly cloudy, with a low around 64. Southwest wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Tuesday
A chance of rain before 8am. Mostly sunny, with a high near 80. Southwest wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Partly sunny, with a high near 69.
Wednesday Night
Mostly cloudy, with a low around 50.
Thursday
A chance of rain after 2pm. Partly sunny, with a high near 67.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 49.
Friday
A chance of rain. Mostly cloudy, with a high near 63. Breezy.
Friday Night
Mostly cloudy, with a low around 40. Breezy.
Saturday
Partly sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Flat Rock MI
 42.11°N 83.27°W (Elev. 594 ft)
Last Update:
4:24 am EDT Oct 11, 2026
Forecast Valid:
9am EDT Oct 11, 2026-6pm EDT Oct 17, 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