ALT Key Messages for Disturbance Over the Northwestern Gulf of America. 8:00 PM EDT Mon June 15, 2026 1. NHC continues to monitor a disturbance that is forecast to move into the northwestern Gulf of America near the Texas coast late Tuesday or Wednesday. The system could become a tropical storm, and interests along the northwestern Gulf Coast should continue to monitor updates to the forecast. 2. Regardless of tropical cyclone formation, interests across southern and eastern Texas and portions of Louisiana and Mississippi should prepare for periods of intense rainfall over the next several days which could produce widespread, life-threatening flash, urban, and river flooding. Gusty winds and coastal flooding are also possible along portions of the northwestern Gulf Coast. 3. Tropical storm watches or warnings could be required for portions of the northwestern Gulf Coast on Tuesday. Stay up to date with the latest at hurricanes.gov and weather.gov.