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

Hazardous Weather Conditions

Current conditions at

Pontiac, Oakland County International Airport (KPTK)

Lat: 42.66°NLon: 83.41°WElev: 981ft.

Mostly Cloudy with Haze

82°F

28°C

Humidity 38%
Wind Speed NE 10 mph
Barometer 30.26 in (1024.1 mb)
Dewpoint 54°F (12°C)
Visibility 5.00 mi
Heat Index81°F (27°C)
Last update 5 Aug 3:53 pm EDT
Extended Forecast for

South Lyon MI

  • This Afternoon

    This Afternoon: A slight chance of showers. Partly sunny, with a high near 84. East wind around 8 mph. Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers before 8pm. Partly cloudy, with a low around 62. East northeast wind 3 to 6 mph. Chance of precipitation is 10%.

    Low: 62 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85. Light and variable wind becoming southeast 5 to 7 mph in the morning.

    High: 85 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63. Light east southeast wind.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 85. Calm wind becoming south southeast around 6 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Friday Night

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

    Low: 67 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of showers. Partly sunny, with a high near 84. East wind around 8 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers before 8pm. Partly cloudy, with a low around 62. East northeast wind 3 to 6 mph. Chance of precipitation is 10%.
Wednesday
Mostly sunny, with a high near 85. Light and variable wind becoming southeast 5 to 7 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 63. Light east southeast wind.
Thursday
Mostly sunny, with a high near 85. Calm wind becoming south southeast around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 66.
Friday
Mostly sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 67.
Saturday
Sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 69.
Sunday
Sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 69.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Lyon MI
 42.48°N 83.64°W (Elev. 938 ft)
Last Update:
4:14 pm EDT Aug 5, 2025
Forecast Valid:
4pm EDT Aug 5, 2025-6pm EDT Aug 11, 2025
 
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