Santo Domingo, Dominican Republic – August 22, 2026 – The Dominican Institute of Meteorology (Indomet) has released a detailed daily weather forecast for the nation, outlining scattered rain events, thunderstorm activity, elevated temperature risks, and ongoing monitoring of potential tropical cyclone development across the Atlantic basin. According to the agency’s Saturday report, the day’s unstable weather conditions are driven by two key atmospheric factors: a slow-moving trough and daytime solar heating, which will combine to produce uneven precipitation across different regions of the country through the next 24 hours.
Indomet’s forecast breaks down weather activity by time frame and geographic zone. In the morning hours, wind-driven cloud systems have already begun bringing isolated showers and thunderstorms to eastern and northern coastal towns including La Altagracia, La Romana, El Seibo, Higüey, and Samaná. After midday, the combined influence of the trough and increasing daytime heating will trigger greater cloud buildup, expanding the zone of active weather to the central, southern, and greater capital regions. San Pedro de Macorís, Monte Plata, San Cristóbal, La Vega, Monseñor Nouel, Azua, San Juan, Elías Piña, and all of Greater Santo Domingo can expect scattered heavy downpours, thunderstorms, and possible sudden wind gusts through the late afternoon, with activity tapering off as temperatures cool heading into the evening. Overnight and into early Sunday morning, scattered light to moderate showers are expected to persist across the country’s eastern and northeastern localities.
Temperatures across the Dominican Republic will remain unusually high through the forecast period, with a heightened thermal sensation that poses mild health risks for vulnerable populations. To help residents stay safe, Indomet has issued a series of public health recommendations: maintain steady hydration by drinking water frequently, opt for light, loose-fitting, pale-colored clothing that reflects solar radiation, avoid prolonged unprotected exposure to direct sunlight, and prioritize staying in cool, well-ventilated spaces during the hottest parts of the day.
In addition to land-based weather warnings, Indomet has released guidance for maritime activity along the country’s coastlines. On the Caribbean coast, specifically in waters south and southwest of Pedernales, abnormal wind and wave conditions have prompted the agency to urge operators of small, fragile, and medium-sized vessels to exercise extreme caution when operating near the shore and avoid venturing into open ocean. This precautionary advisory is expected to be lifted by late afternoon as weather conditions stabilize. All other sections of the Caribbean coast, as well as the entire Atlantic coast of the Dominican Republic, remain open to all navigation with no restrictions in place.
Beyond the daily forecast, Indomet is currently monitoring multiple areas of potential tropical cyclone development across the Atlantic Ocean as part of its regular hurricane season monitoring program. The agency reports that a tropical wave is projected to emerge off the western coast of Africa early next week. Conditions are expected to be favorable for gradual organization after the system moves offshore, with current models indicating a 20% probability that the system will strengthen to tropical cyclone status within the next seven days. While the system remains hundreds of miles from the Dominican Republic at this stage, Indomet has emphasized that continuous monitoring of its track and intensification is critical for public safety planning.
Indomet is also tracking two other disorganized weather systems across the eastern Atlantic, both of which carry very low odds of tropical cyclone development in the next 48 hours. The first system, located northeast of the Azores, has a 20% chance of organization, while the second, positioned east-southeast of Bermuda, has just a 10% probability of strengthening into a cyclone. The agency confirmed that neither of these systems poses any current threat to the Dominican Republic or its surrounding waters.
To ensure the public has access to the most up-to-date weather information, Indomet is urging all residents to check for regular updates through its official web portal at www.indomet.gob.do, as well as its official social media channels @indometrd.