Major Hurricane Erin is churning just north of the Bahamas, bringing dangerous surf and rip currents to much of the U.S. East Coast this week. While Erin should stay offshore, its outer bands may brush the Outer Banks later in the week. Elsewhere, extreme heat grips the Southern Plains and Mississippi Valley, and multiple storm systems keep rainfall active across the South, East, and Southwest.
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A highly active weather pattern is setting up across the southern and central United States this week. The biggest concern is a prolonged flooding threat from South Texas through Louisiana and into portions of the Lower Mississippi Valley, where repeated rounds of tropical downpours could produce significant flash flooding. Meanwhile, a powerful storm system will bring the risk of severe thunderstorms from the Midwest into the Great Lakes and Ohio Valley on Wednesday, with damaging winds, large hail, and a few tornadoes possible. While heat eases somewhat across the West, temperatures will remain above average in parts of the Pacific Northwest and California before additional cooling arrives later this week.