St. Kitts and Nevis Meteorological Forecast

This detailed weather forecast pertains to the Leeward Islands for a 24-hour period commencing May 17, 2025, and expiring at 8 PM on May 18, 2025. The forecast anticipates cloudy conditions with a significant chance of showers and the possibility of thunderstorms, influenced by a trough system fostering moisture and instability in the region. Temperatures are expected to range between a high of 31°C (88°F) and a low of 22°C (72°F), providing a relatively warm and humid environment. A notable amount of rainfall is anticipated, with potential accumulations ranging from 15 to 50 mm (0.6 to 2 inches). This precipitation is directly linked to the atmospheric trough, which is creating favorable conditions for shower and thunderstorm development.

The nighttime forecast for May 17, 2025, predicts persistent cloud cover accompanied by showers. There is a 40% chance of thunderstorms developing during the night. This probability indicates a moderate likelihood of thunderstorm activity, suggesting residents and visitors should be prepared for potential lightning, heavy downpours, and gusty winds. The combination of cloudiness, showers, and the possibility of thunderstorms signifies a generally unsettled weather pattern for the overnight period.

Looking ahead to May 18, 2025, the forecast indicates intermittent cloudy spells interspersed with a high chance of showers. However, the likelihood of thunderstorms diminishes to a low probability. This suggests that while shower activity will remain prevalent throughout the day, the intensity and severity of the weather are expected to be less than during the previous night. Despite the decreased thunderstorm risk, the forecast still emphasizes the prevalence of showers, advising people to plan accordingly.

Wind conditions are predicted to be from the east-southeast, with speeds ranging between 17 to 26 km/h (10 to 16 mph). These wind speeds are considered moderate and are likely to contribute to the choppy sea conditions. The seas are expected to be moderately rough, with heights ranging from 1.5 to 2.1 meters (5 to 7 feet). This poses a potential hazard to small craft operators, who are advised to exercise caution due to the anticipated wave heights. The combination of moderate winds and choppy seas underscores the need for maritime safety precautions.

The sunrise on May 18, 2025, is scheduled for 5:38 AM, marking the beginning of daylight hours. The sunset is predicted for 6:36 PM, signaling the end of daylight and the onset of nighttime. These timings provide a window of approximately 13 hours of daylight. This information is useful for planning outdoor activities and provides a general sense of the daylight hours available.

In summary, the weather forecast for the Leeward Islands during the specified period highlights a prevailing theme of cloudy conditions, frequent showers, and a chance of thunderstorms, primarily influenced by a regional trough system. The temperatures are expected to remain warm, while the winds and seas are anticipated to be moderate, requiring caution from small craft operators. The forecast provides essential information for residents and visitors to prepare for the predicted weather conditions, ensuring safety and facilitating appropriate planning for daily activities. This detailed forecast allows individuals to anticipate the weather patterns and take necessary precautions for both land-based and maritime activities. The consistent emphasis on the potential for rain highlights the need for preparedness and appropriate attire for wet weather conditions.