Heavy Rainfall and Flooding Concerns in the Southwest; Coastal Low to Impact the East Coast

Deep tropical moisture will lead to widespread showers and thunderstorms capable of producing flash flooding through early next week over the Southwest and Four Corners. A coastal storm is expected to impact the southeast U.S. coast and mid-Atlantic regions with flooding, dangerous rip currents, gusty winds and heavy rain up much of the East Coast through early next week. Read More >

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Last Map Update: Sun, Oct 12, 2025 at 3:52:21 pm AST

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National Weather Service Miami - South Florida

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📅 October 12, 2025 · Thunderstorms are expected throughout the day across Puerto Rico and the U.S. Virgin Islands, with the strongest activity developing this afternoon. These storms will bring flood and lightning hazards, especially in areas of heavier rainfall. A limited flood risk will affect most of the region, while an elevated flood risk is expected across northwestern Puerto Rico, where urban and small stream flooding or isolated flash floods may occur. A limited lightning risk will also accompany any storm, with dangerous strikes possible even away from rainfall. Residents are urged to stay alert, avoid flooded roads, and move indoors when thunder is heard. | 📅 12 de octubre de 2025 · Se esperan tormentas eléctricas durante todo el día en Puerto Rico y las Islas Vírgenes de EE.UU., con la actividad más fuerte desarrollándose en la tarde. Estas tormentas traerán riesgos de inundaciones y rayos, especialmente en áreas con lluvia intensa. Habrá riesgo limitado de inundación en la mayor parte de la región, mientras que el noroeste de Puerto Rico tendrá riesgo elevado, con posibilidad de inundaciones urbanas, de riachuelos o inundaciones repentinas aisladas. También habrá riesgo limitado de rayos, con descargas peligrosas posibles incluso lejos de la lluvia. Se recomienda estar atento al tiempo, evitar carreteras inundadas y moverse bajo techo si se escuchan truenos.

[Oct 12th - 8 AM AST] TWO The NHC is monitoring a tropical wave located well to the southwest of the Cabo Verde Islands. This system has a medium chance of development in the next seven days. El Centro Nacional de Huracanes (NHC) está vigilando una onda tropical ubicada bien al suroeste de las Islas de Cabo Verde. Este sistema tiene una probabilidad mediana de desarrollo en los próximos siete días. #prwx #usviwx

📅 October 12, 2025 · We continue in the meteorological fall season, but the tropical climate continues to produce lingering heat and humidity, prompting a Heat Advisory from 10 AM to 5 PM for Puerto Rico, Vieques, Culebra, and the U.S. Virgin Islands. Feels-like temperatures may reach hazardous levels, especially for sensitive groups, outdoor workers, and those without adequate cooling. Residents are encouraged to stay hydrated, avoid strenuous activity, wear light clothing, seek shade or air conditioning, and stay informed throughout the day. | 📅 12 de octubre de 2025 · Aunque continuamos en la temporada de otoño meteorológico, el clima tropical mantiene calor y humedad persistente, lo que ha generado una Advertencia de Calor de 10 AM a 5 PM para Puerto Rico, Vieques, Culebra y las Islas Vírgenes de EE.UU. Los índices de calor podrían alcanzar niveles peligrosos, especialmente para personas sensitivas, trabajadores al aire libre o quienes no tienen aire acondicionado. Se recomienda hidratarse, evitar actividad física intensa, usar ropa ligera, buscar sombra o aire acondicionado, y mantenerse informado durante el día.

[OCT 12] ⚠️🟡🏊🏻 Rip current risk increasing to moderate tonight along the northern and eastern beaches of Puerto Rico, Culebra, and St. Thomas. A low risk elsewhere, however, life-threatening rip currents often occur in the vicinity of groins, jetties, reefs, and piers. If you have to swim out of a rip current, swim parallel to shore and back toward the beach when possible. Do not attempt to swim directly against a rip current as you will tire quickly.