Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

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Last Map Update: Tue, Dec 9, 2025 at 9:26:30 am AST

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National Weather Service Miami - South Florida

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[December 9th] Bring your umbrella to work! Shower interruptions across eastern Puerto Rico and the U.S. Virgin Islands will continue through the morning, while afternoon showers across northwestern Puerto Rico will increase ponding of water in roads and poorly drained areas. [9 de diciembre] ¡Lleve su sombrilla al trabajo! Aguaceros intermitentes en el este de Puerto Rico y las Islas Vírgenes Estadounidenses continuarán durante la mañana, mientras que aguaceros en la tarde en la zona noroeste de Puerto Rico aumentará acumulacion de agua en carreteras y áreas de pobre drenaje. #prwx #usviwx

Prolonged Atmospheric River Will Impact the Northwest Early this Week

NWS San Juan, PR