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Catastrophic Flooding Persists in Hawaii; Upcoming Pattern Shift to Bring Heavy Mountain Snow to the West

A Kona Low is pulling in deep tropical moisture across the Hawaiian Islands, and producing heavy rain with significant flooding and potential for landslides. Two powerful Gulf of Alaska storms will produce areas of heavy snow and gusty winds, including a broad area of blizzard conditions across southeastern Alaska. These Alaska storms will shift to the western U.S. with heavy mountain snow. Read More >

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Last Map Update: Tue, Dec. 7, 2021 at 3:08:51 pm MST

National Weather Service Great Falls, MTNational Weather Service Billings, MTNational Weather Service Rapid City, SD
National Weather Service Pocatello, IDZoom
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National Weather Service Cheyenne, WY
National Weather Service Salt Lake City, UTNational Weather Service Grand Junction, CONational Weather Service Denver/Boulder, CO