By Tammie Souza

PHILADELPHIA (CBS) — Grab the umbrella, outfit the kids in their rain gear, and leave extra travel time Thursday. A Flood Watch has been issued for southeastern Pennsylvania, the New Jersey suburbs, and northern Delaware until 2 a.m. on Friday.

There will be periods of steady rain and gusty thunderstorms all day with the heaviest rain during the evening commutes.

Philadelphia Weather: Steady Rain, Thunderstorms On Thursday Expected To Cause Messy Commutes

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Up to 1.5 inches of rain is possible with locally higher amounts under any storms.

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This, in addition to Wednesday’s rainfall totals of nearly 1 foot, could lead to localized flooding in low-lying areas and on some roadways.

There is also a severe storm threat for southern Delaware with damaging winds the main threat. The severe threat diminishes to the north near Philadelphia.

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The rain and storms will end shortly after midnight Thursday but the upper-level low-pressure center will slowly spin north of the region on Friday and Saturday bringing a chance of spotty showers. That does include the Phillies home opener on Friday afternoon.