Due to Storm Therese, weather conditions will deteriorate from Wednesday, March 18, with heavy rain, rough seas, and wind gusts reaching up to 70 km/h, according to the Portuguese Institute for Sea and Atmosphere (IPMA). The effects of this low-pressure system began today, Tuesday, and are expected to last until Saturday, with the greatest impact on the Centre and South of mainland Portugal. IPMA warns of heavy rain, thunderstorms, and the possibility of localised extreme wind events, with five districts currently under a yellow weather warning.
Storm Therese: Localised extreme wind phenomena expected
Tuesday, 17 March 2026RSS
Context & Explainers
IPMA is the Portuguese Institute of the Sea and Atmosphere (Instituto Português do Mar e da Atmosfera), the national agency for weather, marine forecasts and climate monitoring. Residents should watch its forecasts and warnings during storms, heatwaves or cold snaps because IPMA issues official advisories used by services, transport operators and local authorities.
AI Summary AvailableStorm Therese brings heavy rain and extreme wind to PortugalRead the synthesized summary with context and explainers
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Other news coverage of this topic
- IPMA: Storm Therese to have the greatest impact on the Centre and South11:16pm, 17 Mar 2026 • Observador
- Storm Therese will have more impact on the Centre and South of mainland Portugal9:48pm, 17 Mar 2026 • Correio da Manhã
- Storm Therese is arriving with force and "extreme wind phenomena" are expected in several areas9:30pm, 17 Mar 2026 • CNN Portugal
