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: Fri, Sep 26, 2025 at 7:00:21 pm AST

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⚠️ Información Importante Mañana se espera un día muy caluroso, con una alta probabilidad de que los índices de calor se sitúen entre 111°F y 114°F a lo largo de las áreas costeras y sectores urbanos. 🥵☀️ Tome precauciones, manténgase hidratado y evite la exposición prolongada al sol durante las horas más calurosas del día. ⚠️ Heads Up Tomorrow will be a hot day, with a high probability of heat indices reaching between 111°F and 114°F across coastal areas and urban sectors. 🥵☀️ Stay hydrated and avoid prolonged exposure to the sun during peak heat hours. #prwx #usviwx

📅 September 26, 2025 – Weekend Outlook: Elevated to significant heat risk, most significant for sensitive groups. Flooding and lightning risks remain elevated with ponding, urban flooding, possible flash floods, and frequent storms. Marine conditions will deteriorate as seas build, hazardous for small craft. Rip current risk will increase Sunday, becoming life-threatening at north beaches. | 📅 26 de septiembre de 2025 – Perspectiva para el fin de semana: El riesgo de calor elevado a significativo, afectando más a los grupos sensibles. Los riesgos de inundaciones y rayos se mantendrán elevados con acumulación, inundaciones urbanas, posibles repentinas y tormentas frecuentes. Las condiciones marítimas se deteriorarán con oleaje en aumento, peligroso para embarcaciones pequeñas. El riesgo de corrientes marinas aumentará el domingo, siendo amenazante para la vida en playas del norte.

There is a moderate risk of rip currents along the northern, northwestern, and eastern coasts of Puerto Rico, as well as in Culebra and St. Croix, with a low risk for the rest of the coastal areas. Although coastal conditions are generally suitable for beachgoers, cloudy skies and a high chance of thunderstorms may pose a hazard across the coastal areas. Existe un riesgo moderado de corrientes de resaca a lo largo de las costas del norte, noroeste y este de Puerto Rico, así como en Culebra y Santa Cruz, mientras que el riesgo es bajo para el resto de las áreas costeras. Aunque las condiciones costeras son en general adecuadas para los bañistas, los cielos nublados y una alta probabilidad de tronadas podrían representar un peligro en las zonas costeras.

[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.