AccuWeather: Flooding and Severe Storm Threat Will Persist Through Thursday

PHILADELPHIA (WPVI) -- It was another warm and humid day with more spotty but drenching thunderstorms and showers around. The high in Philadelphia hit a seasonable 83 with tropical dewpoints near 70.

A FLASH FLOOD WATCH is in effect across the entire region through late tonight. Any storm that forms today and tonight could bring a quick 1-3" rainfall that could rapidly flood roads and raise the levels on some flashy creeks and streams.

TONIGHT: More spotty downpours and thunderstorms roll through the region and don't die down until well after midnight. The big issue will be flooding downpours, but an isolated severe storm can't be ruled out with damaging wind gusts. The low only dips to about 69.

WEDNESDAY: Clouds mix with occasional sunny breaks. It's still humid and warm. Another spotty thunderstorm or drenching downpour is possible here and there. The high is 80.

THURSDAY: We've posted an AccuWeather Alert for another round of potentially severe afternoon and evening thunderstorms. The day probably starts out with some sunshine. It will be warm and very humid. The high reaches 88. Later in the day, a strong cold front arrives bringing a threat of severe thunderstorms with damaging wind gusts and even a possible tornado.

FRIDAY: A morning shower is possible. After that, its breezy and less humid with a mix of clouds and sunshine. The high is 80. Summer arrives officially at 11:54 in the morning.

SATURDAY: This looks like a nice start to the weekend and a great first full day of summer. We'll see some sun mixing with clouds and a high of 81

SUNDAY: Clouds mix with sun. An afternoon thunderstorm or shower can't be ruled out. The high is 84.

MONDAY: Look for the return of higher humidity. It's partly sunny otherwise, with a chance for a shower or thunderstorm. The high creeps back up to 85.

TUESDAY: It's still warm and humid. Another shower or thunderstorm can't be ruled out. The high is 86.

RELATED: Severe weather advisories, watches and warnings from the National Weather Service

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