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.

Partly Cloudy

84°F

29°C

Humidity 53%
Wind Speed SE 10 G 20 mph
Barometer 30.08 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 29 Jun 12:53 pm EDT
Extended Forecast for

Union Lake MI

Extreme Heat Watch June 30, 12:00pm until July 2, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 91. South wind around 10 mph, with gusts as high as 18 mph.

    High: 91 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 73. South wind 5 to 9 mph.

    Low: 73 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 95. Heat index values as high as 106. Southwest wind 7 to 13 mph, with gusts as high as 23 mph.

    High: 95 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74. West southwest wind around 10 mph, with gusts as high as 21 mph.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97. West southwest wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 74.

    Low: 74 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Partly sunny, with a high near 91. South wind around 10 mph, with gusts as high as 18 mph.
Tonight
Partly cloudy, with a low around 73. South wind 5 to 9 mph.
Tuesday
Sunny and hot, with a high near 95. Heat index values as high as 106. Southwest wind 7 to 13 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 74. West southwest wind around 10 mph, with gusts as high as 21 mph.
Wednesday
Sunny and hot, with a high near 97. West southwest wind 9 to 13 mph, with gusts as high as 22 mph.
Wednesday Night
Clear, with a low around 74.
Thursday
Sunny and hot, with a high near 98.
Thursday Night
Mostly clear, with a low around 73.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Independence Day
A chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Sunday
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:
Union Lake MI
 42.62°N 83.45°W (Elev. 951 ft)
Last Update:
10:36 am EDT Jun 29, 2026
Forecast Valid:
1pm EDT Jun 29, 2026-6pm EDT Jul 5, 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