IPMA Sounds Yellow Heat Alert Across 17 Districts as Continental Portugal Tracks Toward 40°C on Friday 12 June — Coastal Strip Holds at 25-35°C, Interior Carries the Peak
IPMA yellow alert covers 17 of 18 continental districts from 09:00 Thursday 11 June through 18:00 Friday 12 June. Maxima reach 35-40°C on Friday with overnight minima near 20°C, and the fire-weather index lifts across multiple regions.