Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

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Last Map Update: Mon, Dec 8, 2025 at 11:36:57 pm AST

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National Weather Service Miami - South Florida

National Weather Service Southern Region Headquarters

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Upcoming Hazards | Peligros que se avecinan

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🏖️🌊 ¿Planeas ir a la playa o al mar? Ojo: el riesgo está aumentando. Mantente atento a las condiciones. 🏖️🌊 Planning a trip to the beach or out on the water? Heads up: risk is increasing. Stay alert to changing conditions. #PRwx #USVIwx

[December 8th] 🌊⚠️ Low to Moderate Rip Current Risk today, increasing by Wednesday. Stay aware and swim near lifeguards. 🏊‍♂️ [8 de diciembre] 🌊⚠️ Riesgo de Corrientes Marinas de Bajo a Moderado hoy, aumentando para el miércoles. Mantente alerta y nada cerca de salvavidas. 🏊‍♀️ #prwx #usviwx

Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

NWS San Juan, PR