The St. Lucia Meteorological Office is advising residents and motorists in areas prone to flooding and landslides, to remain vigilant since the grounds are already saturated.
A tropical wave is producing cloudiness, showers and thunderstorms over the region. Another tropical wave located over the Central Atlantic is moving westward near 20 mph or 31 km/h.
Mostly cloudy and breezy with scattered moderate to heavy showers and isolated thunderstorms are expected, according to the Met Office.
Flooding has been recorded in some communities.