From Tuesday afternoon through Wednesday morning Heavy rainfall is possible Tuesday afternoon into Wednesday morning as unseasonably warm and humid air moves northward into the region. The greatest threat of heavy rainfall will occur Tuesday night as a strong area of low pressure moves northeast across the upper ohio valley. Two to three inches of rainfall is possible by Wednesday morning across northern ohio and northwestern pennsylvania.
Above normal precipitation for the past several weeks has resulted in wetter than normal topsoil conditions for this time of year. Localized flooding will be possible as areas of moderate to locally heavy rainfall move into the area on Tuesday night. Flooding of larger rivers in the area will be possible Tuesday night through Wednesday.
A flood watch means there is a potential for flooding based on current forecasts. You should monitor later forecasts and be alert for possible flood warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. Stay tuned to weather radio or other radio and tv stations for further details or updates

National Weather Service

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