U.S. National Hurricane Center

Tropical Storm Dolly forms in Atlantic, heavy rain threat; NHC advises Leeward Islands to monitor as storm moves west at 39 km/h

Tropical Storm Dolly has formed in the Atlantic, moving west at 39 km/h. The National Hurricane Center warns the Leeward Islands to monitor the storm, which is expected to bring heavy rain and potential flash flooding this weekend into early next week.

The Weather Network The Weather Network27 August 2026 · 18:31 UTC
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Tropical Storm Dolly has formed in the Atlantic and is currently moving west at 39 km/h. The National Hurricane Center (NHC) has advised residents of the Leeward Islands to closely monitor the storm as it approaches this weekend.1234

Dolly is expected to maintain its current speed, but forecasts indicate it may weaken into a tropical wave before reaching the islands. Heavy rainfall is anticipated to affect the Leeward Islands late Saturday into Sunday, with impacts spreading to the Virgin Islands, Puerto Rico, and Hispaniola through Sunday and Monday.

The NHC warns that the rain could lead to flash flooding, particularly in higher terrain, raising concerns for residents in affected areas. As the storm progresses, monitoring and preparedness are crucial for those in its path.5

Key Insight
“The storm is forecast to approach the Leeward Islands by this weekend but is likely to weaken into a tropical wave before arrival. Heavy rainfall is expected late Saturday into Sunday, spreading to the Virgin Islands, Puerto Rico, and Hispaniola through Monday, with flash flooding possible in higher terrain.”
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The Weather NetworkThe Weather Network
“The U.S. National Hurricane Center (NHC) advises residents of the Leeward Islands to closely monitor the system.”
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