The Delaware River, along with other smaller waterways in the Lehigh Valley, has iced up in spots following our recent stretch of bitterly cold arctic air. Does that mean we could see flooding?

New Castle County is under a flood warning and Kent and Sussex counties are under a tornado watch. Here's what to know.

The Delaware River Basin Commission says the current plan to boost downstream flows may not be enough to repel a “salt front” in the tidal Delaware River.

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That drought we experienced in the autumn? It’s not over yet, at least for much of the four-state watershed. (New York ...