Gov. David Ige of Hawaii on Tuesday declared a state of emergency citing “extensive damage” across the state following torrential rain and flooding that prompted evacuations orders on the islands of Maui and Oahu and damaged at least a half dozen homes. The declaration, Mr. Ige said, would make state funds quickly available for those in need. Weather concerns hovered over the state overnight. A flood advisory was in effect until 2 a.m. Wednesday...