Overview

• Argentina’s meteorological service (SMN) maintains yellow and orange alerts across central and northern provinces, with the event expected to start Saturday night, peak Sunday and improve Monday.
• Official guidance calls for 20–120 mm of rain with localized peaks near 150 mm, with storms capable of intense downpours, lightning, strong gusts and occasional hail.
• Agricultural analysts at BCR/GEA project 90–130 mm in parts of the north and northwest of Buenos Aires, warning of potential wheat damage and delays to maize planting where fields are already waterlogged.
• Provincial and municipal agencies have activated preventive operations including drain clearing and civil‑defense advisories, with Santa Fe and Córdoba highlighting risks of stronger winds and heavier totals in some districts.
• Separately, Mexico City activated yellow and orange alerts for several boroughs for 15–49 mm of rain and possible hail, alongside pre‑emptive drainage work under the Tlaloque plan.