On 29 May, the Undersecretary of Emergencies and Civil Protection of the Municipality of Quilmes formally requested support from the Argentine Red Cross to assist families affected by flash floods in the municipality of Quilmes, province of Buenos Aires, Argentina.

As of 1 June, the municipal government reported that approximately 4,000 families (20,000 people) have been affected (out of a total of 221,850 households in the municipality), mostly in the neighborhoods located along the banks of the Piedras, Santo Domingo and San Francisco streams. Rainfall exceeded 130 millimeters in some municipalities, causing streets to flood and streams to overflow. (IFRC, 7 Jun 2023)

On 28 June, the Argentine Red Cross received a new formal request from the government to support families affected by recent flooding in the Province of Neuquén, situated approximately 1,000 km away from the Province of Buenos Aires. As of 5 July, over 20 localities have experienced the impact of the hydro-meteorological event, compounded by pre-existing vulnerabilities stemming from their geographical location. The northern part of the province has witnessed a return to normal river conditions. However, in the central and southern regions, water flows remain high and continue to rise, leading to ongoing emergency situations. (IFRC, 18 Jul 2023)