At least three people have been reported dead after severe thunderstorms swept through South Texas from Wednesday, March 26, through Friday, March 28, 2025, dropping extreme rainfall that led to severe flooding across the region. Multiple places, including the city of McAllen, reported over 30 cm (1 foot) of standing floodwaters after record rainfall hit the area.
Severe flash floods hit McAllen (population 146 000) as a line of thunderstorms swept across South Texas on Thursday, March 27, 2025, bringing 152 to 254 mm (6 to 10 inches) to parts of the region. Floodwaters entered a medical center in McAllen and submerged key routes across southern Texas, leading to hazardous travel conditions and extensive damage.
Heavy rains beginning on March 23, 2025, have caused historic flooding across Queensland, Australia, with the town of Stonehenge submerged after the Thomson River exceeded the 1974 flood levels on March 27. Major flood warnings remain in effect as several rivers continue to rise dangerously.
At least 49 people have died, and more than 700 000 have been affected by floods since the beginning of the year in Bolivia, with the Beni Department the latest declaring a State of Emergency.
Flooding across multiple districts in Johor, Malyasia, forced the evacuation of 10 763 residents as of Friday, March 21, 2025, and triggered severe traffic congestion in Johor Bahru city center.
Severe flash floods hit north Queensland on March 19, 2025, after over 300 mm (11.8 inches) of rain fell over parts of the region, inundating homes and roads. The worst affected areas were Ingham and Townsville, where more than a month’s worth of rain fell in just 8 hours.
Floods battered parts of Italy after nearly a month’s worth of rain fell over some regions on Friday, March 14, 2025, causing rivers to swell across the country. Red alerts were in effect across Italy, including Florence and Pisa, following an extreme flooding event that triggered multiple landslides and caused widespread damage.
Argentina has declared three days of mourning after extreme rainfall and severe flooding resulted in the deaths of 16 people and 2 children missing in the coastal city of Bahía Blanca, Buenos Aires Province, on March 7, 2025.
Ex-Tropical Cyclone Alfred made landfall north of Brisbane at 21:00 local time (LT) on Saturday, March 8, after stalling offshore for several hours. Multiple rivers have risen above flood levels, with flood warnings being in effect across Queensland (QLD) and New South Wales (NSW). At least one death has been reported, several people have been injured, and more than 350 000 homes were left without power.
Record-breaking rainfall hit Bahía Blanca, Buenos Aires Province, on March 7, 2025, causing severe floods in which at least 10 people lost their lives.
