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Weather Authority: Tuesday, 5 a.m. forecast
FOX 29's Sue Serio has your Tuesday morning weather forecast.
PHILADELPHIA - Summer temperatures are making a return as heat and humidity rebound in the Delaware Valley.
Moisture from the ground as a result of Monday night rain is causing dense fog and low visibility in parts of the area Tuesday morning.
Areas north of Philadelphia are under a dense fog advisory until 9 a.m.
FOX 29's Sue Serio says there's a 20 - 30% chance of a late afternoon thunderstorm moving through the Philadelphia area.
Looking ahead, Tuesday's temperatures are expected to reach 86 degrees before they rise back to the 90s Wednesday through Friday.
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SEVEN-DAY FORECAST
TUESDAY: High: 86
WEDNESDAY: High: 90, Low: 70
THURSDAY: High: 93, Low: 69
FRIDAY: High: 92, Low: 72
SATURDAY: High: 89, Low: 72
SUNDAY: High: 89, Low: 71
MONDAY: High: 91, Low: 71