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

Detroit, Willow Run Airport (KYIP)

Lat: 42.24°NLon: 83.53°WElev: 715ft.

Fair

80°F

27°C

Humidity 39%
Wind Speed SW 12 mph
Barometer 30.18 in (1021.2 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 29 Aug 1:53 pm EDT
Extended Forecast for

South Lyon MI

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 81. Southwest wind around 11 mph, with gusts as high as 20 mph.

    High: 81 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of showers, mainly after 5am. Mostly cloudy, with a low around 66. South southwest wind 3 to 7 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A chance of showers before 1pm, then a chance of showers after 5pm. Mostly cloudy, with a high near 82. South southwest wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    High: 82 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 10pm. Mostly cloudy, with a low around 68. South southwest wind around 6 mph. Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 88. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 88 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 72.

    Low: 72 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 91.

    High: 91 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 72.

    Low: 72 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 81. Southwest wind around 11 mph, with gusts as high as 20 mph.
Tonight
A chance of showers, mainly after 5am. Mostly cloudy, with a low around 66. South southwest wind 3 to 7 mph. Chance of precipitation is 30%.
Sunday
A chance of showers before 1pm, then a chance of showers after 5pm. Mostly cloudy, with a high near 82. South southwest wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Sunday Night
A chance of showers before 10pm. Mostly cloudy, with a low around 68. South southwest wind around 6 mph. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 88. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Monday Night
Mostly cloudy, with a low around 72.
Tuesday
Partly sunny, with a high near 91.
Tuesday Night
Mostly cloudy, with a low around 72.
Wednesday
Mostly sunny, with a high near 92.
Wednesday Night
A chance of showers after 8pm. Partly cloudy, with a low around 70.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 64.
Friday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Lyon MI
 42.46°N 83.65°W (Elev. 942 ft)
Last Update:
2:24 pm EDT Aug 29, 2026
Forecast Valid:
2pm EDT Aug 29, 2026-6pm EDT Sep 4, 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