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.

Mostly Cloudy

28°F

-2°C

Humidity 80%
Wind Speed W 14 G 22 mph
Barometer 30.23 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 12 Jan 2:15 am EST
Extended Forecast for

Flat Rock MI

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 29. Southwest wind 11 to 13 mph, with gusts as high as 24 mph.

    Low: 29 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 38. West southwest wind 14 to 16 mph, with gusts as high as 26 mph.

    High: 38 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29. West southwest wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain after 1pm. Mostly cloudy, with a high near 43. South southwest wind 9 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    High: 43 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 33. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 33 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain before 1pm, then rain and snow likely. Mostly cloudy, with a high near 40. Chance of precipitation is 70%.

    High: 40 °F

    Chance Rain
    then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: A chance of snow. Mostly cloudy, with a low around 15. Chance of precipitation is 50%.

    Low: 15 °F

    Chance Snow

  • Thursday

    Thursday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 29. Southwest wind 11 to 13 mph, with gusts as high as 24 mph.
Monday
Mostly sunny, with a high near 38. West southwest wind 14 to 16 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 29. West southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Tuesday
A chance of rain after 1pm. Mostly cloudy, with a high near 43. South southwest wind 9 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 33. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday
A chance of rain before 1pm, then rain and snow likely. Mostly cloudy, with a high near 40. Chance of precipitation is 70%.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 15. Chance of precipitation is 50%.
Thursday
Partly sunny, with a high near 23.
Thursday Night
Mostly cloudy, with a low around 16.
Friday
A chance of snow. Partly sunny, with a high near 29.
Friday Night
Mostly cloudy, with a low around 17.
Saturday
A chance of snow. Partly sunny, with a high near 29.
Saturday Night
Mostly cloudy, with a low around 15.
Sunday
Partly sunny, with a high near 25.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Flat Rock MI
 42.11°N 83.3°W (Elev. 597 ft)
Last Update:
8:50 pm EST Jan 11, 2026
Forecast Valid:
2am EST Jan 12, 2026-6pm EST Jan 18, 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