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Rainstorms move through Philadelphia region on Thursday. Here's the weather forecast.

Today will likely be the wettest day of the week in the Philadelphia region. Rumbles of thunder are in the forecast, as well as the possibility of an isolated strong to severe storm. 

We'll see waves of steady rain through the first half of the day, especially in points north and west of Philadelphia, during the morning commute hours. Later in the day, we will see more scattered storms in our southern zones.  

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CBS News Philadelphia

Some spots will likely see an inch or 2 inches of rainfall by the end of the day. There is a low-end risk of flooding in areas under the heaviest storm cells.

In terms of severe weather, the Storm Prediction Center has our area under a level 1 risk at this time, with damaging wind gusts being the most likely possibility and the biggest threat with any storm. There is also a modest 2% threat of an isolated tornado.

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CBS News Philadelphia

With evening storms, there could also be impacts on the Phillies' home game vs. the Marlins tonight at Citizens Bank Park.

Friday, Saturday and beyond look to be trending generally dry, but a pop-up shower or two isn't out of the question as humidity levels will remain high for this time of year, along with above-normal temperatures. We've increased the chance of showers on Sunday and Monday as some of the forecast models bring unsettled weather from the south, and the humidity will remain quite high for this time of year.

Tropical Storm Humberto forms

As for the tropics, the newest named storm developed at 5 p.m. on Wednesday. Humberto is a weak tropical storm but could become a major hurricane by early next week.  

The current forecasts have it as a Category 2, but that could easily strengthen into a much stronger storm. Models keep it from making landfall, but there is another area of interest that could potentially have some eastern seaboard impacts late next week or even early the week following. It just depends on whether or not it gets caught up in the upper-level flow, or if it cuts off and churns about well off the Carolina coasts.

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CBS News Philadelphia

Your NEXT Weather Team will keep you posted.

Here's your 7-day forecast:

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CBS News Philadelphia

Thursday: NEXT Weather Alert for rain, storms. High 79.

Friday: Sun returns. High 83, Low 68.

Saturday: Clouds. High 81, Low 65.  

Sunday: AM shower. High 78, Low 66.

Monday: Scattered showers. High 82, Low 65.

Tuesday: Few showers. High 76, Low 66.

Wednesday: Cooler. High 71, Low 60.

NEXT Weather Radars

Hourly Forecast

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