The National Weather Service has issued a flash flood warning for southwestern Barnstable County. That area covers Barnstable, Falmouth, Sandwich, Bourne, Mashpee, and Hyannis.
A flood warning means that flooding is imminent or occurring. The national weather service says do not drive through roads or underpasses that are flooded and to avoid areas near small streams and move to higher ground immediately.
The flash flood warning will remain in effect until 3:15 this afternoon.