National Weather Service United States Department of Commerce

Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

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Last Map Update: Tue, Dec 9, 2025 at 11:20:29 am AST

[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
[December 9th] 🌊⚠️ Low to Moderate Rip Current Risk today, increasing by Wednesday. Stay aware and swim near lifeguards. 🏊‍♂️ [9 de diciembre] 🌊⚠️ Riesgo de Corrientes Marinas de Bajo a Moderado hoy, aumentando para el miércoles. Mantente alerta y nada cerca de salvavidas. 🏊‍♀️ #prwx #usviwx
TJUA NEXRAD - Cayey, PR.