St Kitts and Nevis Meteorological Forecast

This detailed weather forecast pertains to the Leeward Islands and is valid until 8 PM on Wednesday, May 7, 2025. The forecast highlights a period of atmospheric instability, leading to a high probability of precipitation, including showers, lighter rain, and thunderstorms. This instability is expected to persist until Wednesday afternoon, after which conditions are predicted to gradually improve. The forecast emphasizes the risk of significant rainfall accumulation, estimated between 10 to 25.4 mm (0.40 to 1.00 inch), prompting the issuance of a flash flood watch. This underscores the potential for localized flooding due to the intensity and duration of the anticipated rainfall.

The forecast provides specific details for the overnight period and the following day. Tonight’s weather is characterized by cloudy skies with intermittent showers interspersed with lighter rain. There is a moderate 40% chance of thunderstorms developing overnight. This suggests a relatively high likelihood of thunderstorm activity, adding to the overall precipitation potential. The combination of persistent cloud cover, showers, and the chance of thunderstorms contributes to the overall unsettled weather pattern.

For Wednesday, the forecast predicts continued cloudy conditions with occasional showers. The probability of thunderstorms is higher during the morning, estimated at 60%, also categorized as a moderate chance. However, the forecast anticipates a decrease in shower activity during the afternoon, suggesting a gradual improvement in weather conditions as the day progresses. This decrease in shower activity aligns with the overall prediction of improving conditions by Wednesday afternoon.

The wind forecast indicates generally easterly winds with speeds ranging from 7 to 19 km/h (4 to 12 mph). These winds are expected to become variable or calm at times, suggesting fluctuating wind patterns throughout the forecast period. The sea state is predicted to be relatively moderate, with wave heights between 1 to 1.5 meters (3 to 4 feet). This suggests generally manageable sea conditions, although localized variations may occur.

The forecast concludes with information regarding sunrise and sunset times for Wednesday. Sunrise is predicted at 5:42 AM, while sunset is expected at 6:33 PM. These timings provide context for the duration of daylight hours and the general progression of the day. This information can be useful for planning outdoor activities and understanding the overall daylight cycle.

In summary, the Leeward Islands are expected to experience unsettled weather conditions until Wednesday afternoon, characterized by cloudy skies, showers, and a moderate to high chance of thunderstorms. The potential for significant rainfall accumulation has led to the issuance of a flash flood watch, highlighting the risk of localized flooding. While the weather is expected to gradually improve by Wednesday afternoon, residents and visitors are advised to remain vigilant and take necessary precautions due to the potential for heavy rainfall and associated hazards. The forecast provides specific details for the overnight period and Wednesday, including wind conditions and sea state, along with sunrise and sunset times. This comprehensive information allows for informed decision-making and preparedness in light of the anticipated weather conditions.