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Weather variability in central and southern Chile

Updated 1 time since CLSTR started tracking revisions of this situation.

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2026-10-23 16:37 UTC → 2026-10-25 21:52 UTC · added removed

Meteorological reports indicate diverse weather patterns across several Chilean regions in late October 2026. In the Valparaíso region, clear skies and moderate winds are expected, while were expected on October 22, with temperatures between 14 and 19°C and a high UV index. However, a high-altitude trough is forecasted to bring atmospheric instability to Valparaíso, the Metropolitana, O'Higgins, Maule, Ñuble, and Biobío region faces regions on Monday, October 26. This phenomenon is expected to trigger rain, potential hail, and electrical storms, particularly in valley, precordillera, and cordillera sectors. In the Biobío region, Senapred reported a decrease in rainfall intensity, though risks of electrical storms, hail, intensity for October 23, with light precipitation in coastal areas and up to 5 cm of snow in high mountain areas remain. mountains, though risks of storms and hail persisted. In Rancagua, heavy precipitation is was forecasted with a 100% probability of rain. For October 26, rainfall estimates for the area include approximately 10 mm. Conversely, the Coquimbo Region is expected to experience experienced higher than usual temperatures, with temperatures. In the Elqui and Limarí provinces, highs reaching up were expected to reach 30°C in parts of the Elqui areas such as Vicuña, Punitaqui, and Limarí provinces. Monte Patria. Authorities have warned that these elevated temperatures may could trigger snowmelt in lower altitude mountain sectors, potentially increasing river flows and activating ravines. Weather conditions are expected to improve progressively starting Tuesday, October 27, with warmer temperatures following.

Versions

  1. 2026-10-25 21:52 UTC Weather variability in central and southern Chile
  2. 2026-10-23 16:37 UTC Weather variability in central and southern Chile

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