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 series of Pacific storms is taking aim at the Northwest this week, delivering heavy rain, mountain snow, and gusty winds that could lead to flooding. While the West braces for more moisture, the Central and Western U.S. will bask in record-challenging warmth, with temperatures soaring 15 to 25 degrees above normal. Meanwhile, the chill that's gripped the Eastern U.S. finally begins to ease midweek, ushering in a brief break from the Arctic air. Flash freeze, snow, and wind will hit much of the Canadian Prairies, first with Alberta on Wednesday, then spreading eastward.