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Flood watch issued for Philadelphia area after a comfortable Saturday. Here's the weather forecast.

A flood watch has been issued for most of the Philadelphia region, with Saturday evening showers that could be heavy at times.

This alert begins at midnight and will last until noon Sunday.

Before that, the daytime hours will be dry and pretty nice, with increasing clouds during the day.

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A flood watch is in effect in the Philadelphia region for Sunday, Sept. 13.

Humidity levels will be fairly low, making it feel much more comfortable — great for playing a round of golf or firing up the grill. 

Saturday is not a washout — good news if you're going to the Temple-Penn State game at Lincoln Financial Field.

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CBS News Philadelphia

Rain becomes much more likely Saturday night into Sunday morning as low pressure tracks through the region. Showers and thunderstorms could produce heavy rain overnight, with the steadiest rain likely during Saturday night into Sunday morning.  

Late showers will return after 9 p.m. and be around through Sunday morning. Don't forget to bring anything inside that you don't want wet.

NEXT big weather changes

Sunday is the trickier day of this weekend. Periods of rain and a few thunderstorms are likely during the morning, but the system should gradually pull offshore during the day.

Right now, there's a good chance we start drying out Sunday afternoon, likely in time for the Eagles-Commanders game at 4:25 p.m. 

Following Saturday night and Sunday morning's deluge of rain, we flip back to a nice change.

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Monday through at least Wednesday, sunshine returns and high humidity departs. Temperatures dip to the 70s for a taste of fall.

By the way, fall begins in 10 days on Sept. 22, so enjoy the last days of summer while you can.

Boots, sweaters, leaf peeping and pumpkin spice everything are just days away.

Here's your 7-day forecast:

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CBS News Philadelphia

Saturday: Storms at night. High 82

Sunday: Morning rain. High 83, Low 73

Monday: Mostly sunny. High 77, Low 72

Tuesday: Mostly sunny. High 78, Low 56

Wednesday: Mostly sunny. High 83, Low 61

Thursday: Isolated T-storm. High 86, Low 68

Friday: Chance of showers. High 83, Low 69

NEXT Weather Radars

Hourly Forecast

Get the latest weather info on the CBS News Philadelphia app.

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