IPMA Forecasts 35°C in the Alentejo and Tejo Valley From Sunday Through Tuesday as a North African Air Mass Drives the First Sustained Heat Spell of 2026 — DGS Reissues the Mid-Day Sun Advisory and Hydration Note Into the Long Weekend
IPMA's Saturday-evening outlook calls 35°C across the Alentejo and Tejo Valley between Sunday and Tuesday as a North African air mass with Saharan dust drives mainland Portugal's first sustained heat spell of 2026 — DGS reissues the hydration and mid-day sun advisory ahead of the long weekend.
