The last weekend of September 2024 will be marked by unstable weather conditions in the Metropolitan Region of Chile. As the end of the month approaches, a new frontal system will affect the central area of the country, bringing rain and strong winds. This phenomenon of climatewhich will initially enter through the south of the country, will have its impact on the capital on Monday, September 30, especially in the foothills and Cajón del Maipo areas.
According to the forecast According to the European Center for Medium and Long-Term Forecasts (ECMWF), Monday morning will bring snow showers in the Andes mountain range, which will evolve into snowfall, accompanied by gusts of wind that could reach 70 km/h . Although the frontal system will mainly affect the highest areas, some communes of Santiago will also receive weak rainfall during the day.
The communes of Cajón del Maipo will be the most affected by the rainswith a probability of precipitation close to 60% between Monday afternoon and the early morning of Tuesday, October 1. Estimated rainfall amounts in these areas will be around 2 mm, which will result in isolated, low intensity showers. In contrast, the rest of Greater Santiago will only experience cloudy skies and a drop in temperatures during the day.
In terms of temperatures, thermometers are expected to drop to maximums of 17°C in Tiltil, 16°C in Melipilla and 14°C in Paine. These relatively low temperatures will be accompanied by moderate winds, with gusts that could reach 40 km/h in the south-west area of Santiago and in San José de Maipo. For the rest of the capital, the spells of wind They will range between 20 and 30 km/h.
Snowfall in the mountain range could last until Tuesday, October 1, mainly affecting the highest areas of the Metropolitan Region. This could lead to accumulations of snow in tourist areas such as Cajón del Maipo, which could impact access to certain mountain routes.