Persistent trough brings unstable weather across Jamaica

According to the latest meteorological data, Old Harbour is currently experiencing thunderstorm conditions with a temperature of 26°C (79°F), feeling more like 29°C (84°F) due to high humidity at 88%. Precipitation chances stand at 63%, with winds blowing from the southeast at 4 mph and a moderate UV index of 4.

Weekend Forecast

The instability is expected to persist through Sunday, with scattered thunderstorms forecast for Friday and a high of 26°C (79°F) and a low of 23°C (73°F). Rain chances during the day are estimated at 72%, rising to 75% overnight. Saturday promises little relief, with heavy thunderstorms anticipated and temperatures reaching 28°C (82°F) before dipping to 23°C (73°F). Precipitation chances remain high at 75%.

Conditions are expected to gradually improve on Sunday, with scattered thunderstorms and a 45% rain chance, alongside a high of 29°C (84°F) and a low of 22°C (72°F).

Relief in Sight

Monday through Wednesday should bring welcome relief as skies clear to mostly sunny conditions. Highs are forecast around 31°C (88°F), with lows between 21°C and 22°C (70°F–72°F). Rain chances drop significantly to between 15% and 40%.

Local Forecast Details

The 5:00 a.m. local forecast noted a broad trough across the western Caribbean, expected to remain over the region for the next few days, bringing unstable weather conditions through Sunday. Eastern and central parishes are expected to bear the brunt of the system.

This morning will see cloudy conditions with showers and isolated thunderstorms across sections of eastern and southcentral parishes. The afternoon will be mostly cloudy with scattered showers and thunderstorms across most parishes. Tonight, isolated showers are expected across southcentral and eastern parishes, with partly cloudy conditions elsewhere.

Maximum temperatures today are expected to reach 34°C in Kingston and 33°C in Montego Bay.

Three-Day Outlook

Friday will bring morning showers and isolated thunderstorms mainly across southcentral and eastern parishes, with mostly cloudy conditions elsewhere. The afternoon will be cloudy with scattered showers and thunderstorms across most parishes, particularly in central and eastern areas. Lingering nighttime showers are expected.

Saturday will see intermittent showers and thunderstorms across sections of eastern and central parishes, with mostly cloudy conditions elsewhere. By Sunday, only isolated afternoon showers across hilly areas are expected, with a partly cloudy day otherwise.

Regional Features

Meteorologists are also monitoring an area of low pressure across Colombia and a ridge across the Gulf of Mexico, both of which are contributing to the current weather pattern.

Residents are advised to remain vigilant, particularly in flood-prone areas, and to stay updated on weather advisories as the trough continues to affect the island through the weekend.