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SMN orange alert for Puerto Iguazú: storm until 10/04 at 08:59

Guia 3 newsroom · edited by Annie GrellmannPortuguêsEspañol

The National Meteorological Service (SMN) has issued an orange storm alert for Puerto Iguazú, valid from 10/03 at 21:05 until 10/04 at 08:59.

SMN orange alert for Puerto Iguazú: storm until 10/04 at 08:59
Foto: Vladimir Srajber / Pexels

What the warning says

The region will be affected by heavy rain and strong thunderstorms, some locally severe. They may be accompanied by abundant short-duration precipitation, hail of various sizes, and frequent lightning activity. Intense gusts may also occur, potentially exceeding 100 km/h. Accumulated precipitation values of 50 to 90 mm are expected, with possible isolated exceedances.

Official warning text (original citation in Spanish).

The alert is in the orange tier and covers Puerto Iguazú from 10/03 at 21:05 to 10/04 at 08:59.

What the agency recommends

  1. Follow the instructions of local authorities. Staying calm is essential in these situations.
  2. Go out only if necessary.
  3. Remain in enclosed structures such as homes, schools, and public buildings.

What changes for those at the border

The notice applies to the Argentine side of the border, a few kilometers from Foz do Iguaçu, and affects anyone crossing the bridge during the period. River measurements are available at how the Falls are today; strong wind and heavy rain delay the crossing, and the queue is listed at bridge queue. Forecasts for the three sides can be found at border weather.

This article is generated from the official notice as soon as it is published and updated while the alert remains active.

Source: SMN — Servicio Meteorológico Nacional (Argentina)

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Content verified by the newsroom based on an official source: SMN — Servicio Meteorológico Nacional (Argentina). Last checked: 10/3/2026. Found something inaccurate? We fix it fast. How we work.

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