Severe thunderstorms and flash flooding will impact portions of theGulf Coast tonight and the Southeast on Tuesday......Above-average temperatures expected for South Florida and the West...A slow-moving frontal boundary extending along the Gulf Coast will remaina focus for unsettled weather, with severe thunderstorms and heavy rainexpected to impact portions of the region through Tuesday. Ongoingshowers and storms are likely to continue through tonight, with severestorms expected from s...