Tropical wave brings heavy rains and alerts to Dominican Republic, Mexico, Honduras and Guatemala

A tropical wave moving across the Caribbean and Central America is generating widespread showers, thunderstorms and gusty winds on June 21, 2026. In the Dominican Republic, the Instituto Dominicano de Meteorología warned of rain and lightning over Santo Domingo and surrounding provinces, urging residents to stay hydrated and avoid prolonged sun exposure. Mexico's state of Oaxaca expects intense rainfall in mountainous areas, raising the risk of landslides, river flooding and flash floods. Honduras' emergency agency COPECO issued a Green Alert for Copán, Ocotepeque, Lempira and Intibucá, highlighting soil moisture above 80%, potential river overflows and landslides, and advising citizens not to cross swollen streams. Guatemala declared a Yellow Alert in the department of Suchitepéquez and warned of possible heavy rains, thunderstorms and related hazards such as river flooding, landslides and lahars across the country. Authorities in all affected nations have recommended securing homes, staying informed through official channels, and taking precautions against flood‑related dangers.