There is a Broad Trough across the central Caribbean, including Jamaica.
The Trough is expected to remain across the island through to Friday. Embedded is a Tropical Wave which is expected to move across the island on Thursday.
A High Pressure Ridge is to build across the island on Friday and linger into the weekend.
The Met Office says tonight and tomorrow Morning should be partly cloudy.
Tomorrow Afternoon should become cloudy with isolated showers and thunderstorms mainly across sections of most parishes.