[REVISION HISTORY]

Dominican Republic: Extreme heat, dust, and storm risks

Updated 35 times since CLSTR started tracking revisions of this situation.

What changed

2026-10-23 15:14 UTC → 2026-10-24 12:48 UTC · added ~~removed~~

The Dominican Republic continues to face weather instability characterized by high temperatures and fluctuating precipitation risks. While previous alerts in October focused on flooding from tropical waves, recent patterns in September 2026 highlighted a period of extreme heat and Saharan dust influence. By September 11, Indomet reported that while Saharan dust and high temperatures (34°C to 36°C) persisted, a tropical wave was triggering scattered showers and wind gusts in the southeast, central mountain range, and Greater Santo Domingo. By September 19, Tropical Storm Fay formed in the Atlantic; although near hurricane strength, it posed no direct threat to the country. By late September, the Emergency Operations Center (COE) issued green alerts for San Cristóbal, Gran Santo Domingo, and the Distrito Nacional due to forecasted heavy rains and wind gusts. In Santo Domingo, rainfall caused water accumulation on major roads, leading to traffic congestion. Despite these rains, Indomet noted that Tropical Storm Hanna and Fay did not pose a threat, while temperatures remained high between 33°C and 35°C. In early October, a trough ~~and high humidity raised risks of rainfall accumulations up to 200 millimeters. The~~ caused atmospheric instability, leading the COE ~~placed seven provinces—including Puerto Plata, Pedernales, Barahona,~~ to place Espaillat, ~~Bahoruco, Santiago,~~ La Vega, and ~~Independencia—under~~ Puerto Plata under yellow alert, while Gran Santo Domingo and Santiago remained under green alert. ~~Heavy rains caused flooding in Santiago, affecting approximately 150 homes,~~ Indomet warned of heavy rainfall, thunderstorms, potential hail, and ~~led to fallen trees~~ risks of urban flooding or rising rivers. By October 6, alerts were escalated in ~~Mao~~ Santo Domingo, San Cristóbal, and ~~Valverde. Consequently,~~ the ~~Ministry of Education authorized regional directors to suspend classes in high-risk zones. In La Romana, health officials urged residents to eliminate mosquito breeding sites~~ Distrito Nacional to ~~prevent dengue, Zika,~~ yellow alert, with meteorologists forecasting intense rainfall between 70 and ~~chikungunya outbreaks following the increased rainfall.~~ 100 millimeters. By late October, ~~the weather instability persisted as~~ a meteorological trough and ~~tropical wave~~ high humidity triggered ~~moderate to~~ widespread heavy rainfall, ~~thunderstorms,~~ impacting approximately 2,360 people and ~~wind gusts across the northeast, northwest, southwest,~~ 590 homes. Significant damage was reported in Santiago and ~~Central Mountain Range.~~ Puerto Plata, where 1,793 people were affected and 358 homes were damaged. The Ministry of Education authorized class suspensions in vulnerable areas.

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