Heavy Rainfall in the Southwest and Southeast This Weekend; Monitoring Tropical Cyclone Formation Which Could Impact the Southeast U.S.

Heavy rainfall from monsoon thunderstorms may bring isolated flash and urban flooding to the Desert Southwest. A near-stationary front will bring numerous showers and thunderstorms to much of the Mid-Atlantic and Southeast. Tropical wave (AL94) is likely to become a depression. Significant uncertainty remains in the track and intensity, but chances for impacts to the Southeast are increasing. Read More >

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Last Map Update: Sat, Sep 27, 2025 at 6:08:39 am AST

Watches, Warnings & Advisories

National Weather Service Miami - South Florida

National Weather Service Southern Region Headquarters

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Extreme Heat Warning

Heat Advisory

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Rip Current Statement

Hazardous Weather Outlook

A hot day

High Risk of Rip current

Small Craft Advisory

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Today’s extreme heat: Puerto Rico is under an Extreme Heat Warning from 10 AM to 5 PM, while Culebra, Vieques, and the U.S. Virgin Islands are under a Heat Advisory for the same period. Coastal and urban areas will be most affected. Please stay hydrated, limit strenuous activity around midday, take frequent breaks in the shade or air-conditioning, and wear lightweight, light-colored, loose-fitting clothing. Calor extremo hoy: Puerto Rico está bajo Extreme Heat Warning de 10 AM a 5 PM, mientras que Culebra, Vieques y las Islas Vírgenes de EE.UU. están bajo Heat Advisory en el mismo periodo. Las zonas costeras y urbanas serán las más afectadas. Hidrátate, evita el esfuerzo físico al mediodía, toma descansos frecuentes a la sombra o en aire acondicionado y usa ropa ligera, de colores claros y holgada.

A long period northeasterly swell generated by Major Hurricane Humberto will gradually increase seas across the Atlantic waters and passages through the weekend. This swell will result in breaking waves around 6 feet and occasionally higher with life-threatening rip currents from late this afternoon along the northern beaches of PR. The high risk of rip currents will spread across the rest of the islands on Sunday. Una marejada de largo periodo del noreste de largo período generado por el huracán intesno Humberto aumentará gradualmente el oleaje del mar en las aguas del Atlántico y los pasajes durante el fin de semana. Este oleaje producirá oleaje rompiente de hasta 6 pies, ocasionalmente más altas, con corrientes de marians que ponen en riesgo la vida desde esta tarde a lo largo de las playas del norte de Puerto Rico. El alto riesgo de corrientes marinas se extenderá al resto de las islas el domingo, incluidas Culebra, Vieques y las Islas Vírgenes de EE. UU

A pulse of a long northeasterly swell from Major Hurricane Humberto will increase seas across the local waters from this afternoon through the rest of the weekend. Seas are forecast to build to around 7 feet across the offshore Atlantic waters by noon. Una marejada del noroeste de largo período, generada por el huracán intenso Humberto, aumentará el oleaje en las aguas locales a partir de esta tarde y durante el resto del fin de semana. Se pronostica que el oleaje alcance alrededor de 7 pies en las aguas del Atlántico mar afuera para el mediodía.

[September 26] Update | The National Hurricane Center continues to monitor Potential Tropical Cyclone 9, likely to become a tropical storm during the weekend. Hurricane Humberto is expected to move west-northwest during the next few days, with trailing moisture likely to affect the region by early next week. [26 de septiembre] Actualización | El Centro Nacional de Huracanes sigue vigilando el Potencial Ciclón Tropical 9, el cual se epera que se convierta en tormenta tropical durante el fin de semana. Se espera que el huracán Humberto se mueva hacia el oeste-noroeste durante los próximos días, y que la humedad que arrastra afecte a la región a principios de la próxima semana.