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.

Thunderstorm Light Rain Fog/Mist

68°F

20°C

Humidity 93%
Wind Speed E 8 mph
Barometer 30.00 in (1015.2 mb)
Dewpoint 66°F (19°C)
Visibility 2.00 mi
Last update 21 Jun 7:53 am EDT
Extended Forecast for

Sylvan Lake MI

Extreme Heat Watch June 22, 08:00am until June 24, 08:00pm
Heat Advisory June 21, 02:00pm until June 22, 08:00am
Click here for hazard details and duration
Extreme Heat Watch
Heat Advisory

  • Today

    Today: A chance of showers and thunderstorms before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 92. Heat index values as high as 100. South southwest wind 8 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    High: 92 °F

    Chance
    T-storms then
    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 77. Southwest wind 11 to 14 mph, with gusts as high as 29 mph.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 96. Heat index values as high as 105. West southwest wind around 10 mph, with gusts as high as 22 mph.

    High: 96 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 75. Southwest wind around 8 mph.

    Low: 75 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 96. Southwest wind 8 to 10 mph, with gusts as high as 22 mph.

    High: 96 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 40%.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A chance of showers and thunderstorms before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 92. Heat index values as high as 100. South southwest wind 8 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Tonight
Mostly clear, with a low around 77. Southwest wind 11 to 14 mph, with gusts as high as 29 mph.
Sunday
Sunny and hot, with a high near 96. Heat index values as high as 105. West southwest wind around 10 mph, with gusts as high as 22 mph.
Sunday Night
Clear, with a low around 75. Southwest wind around 8 mph.
Monday
Sunny and hot, with a high near 96. Southwest wind 8 to 10 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 75.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 67.
Wednesday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Thursday
Showers and thunderstorms likely. Partly sunny, with a high near 88.
Thursday Night
Showers likely. Mostly cloudy, with a low around 69.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sylvan Lake MI
 42.63°N 83.3°W (Elev. 948 ft)
Last Update:
4:24 am EDT Jun 21, 2025
Forecast Valid:
8am EDT Jun 21, 2025-6pm EDT Jun 27, 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