Red Heavy Rain Warnings were issued for Wellington and Wairarapa on Monday, April 20, 2026, as flooding, swollen rivers, and landslides cut through infrastructure across the region, prompting the declaration of a state of emergency. Further heavy rain is forecast through Tuesday, April 21, with accumulations of up to 150 mm (5.9 inches) expected in the hardest-hit areas.
Flooding across Michigan, United States, forced evacuations on April 17, 2026, as multiple rivers reached major flood stage following heavy rainfall and rapid snowmelt. Authorities issued emergency declarations in several counties, with evacuations ordered downstream of dams under increased hydrological stress.
Floods and landslides triggered by persistent heavy rainfall have left 15 people dead and affected 110 875 others across Ecuador as of April 15, 2026, according to Ecuador’s National Secretariat for Risk Management (SNGR). Authorities reported widespread housing and infrastructure damage in multiple provinces.
Deadly floods and landslides triggered by heavy rain from April 4 to 6, 2026, hit western Angola, killing at least 45 people and affecting more than 51 000 across several provinces. The worst impacts were reported in Benguela and Luanda, where homes were destroyed, roads cut off, and critical infrastructure damaged.
Cheboygan Dam in northern Michigan rose to within 20 cm (8 inches) of overtopping by early April 14, 2026, despite emergency pumping, gate removals, and efforts to restore a shuttered hydroelectric station to increase discharge. The National Weather Service said Flood Watches remained in effect across much of northern Michigan and the Upper Peninsula as heavy rain, melting snow, and saturated ground continued to drive runoff into rivers, streams, and low-lying areas.
Torrential storms swept across much of Saudi Arabia between April 11 and April 13, 2026, flooding roads, disrupting traffic, and forcing schools and universities to shift to remote learning in multiple regions.
At least 6 people were killed, more than 6 000 homes were inundated, and nearly 1.5 million people were affected after heavy rainfall triggered flooding and landslides in Dagestan, Russia, by April 6, 2026. Authorities declared a regional emergency and warned of continued hazardous conditions.
A multi-day severe storm system, named Storm Erminio in Greek media, affected Greece in early April 2026, bringing heavy rainfall, strong winds, and Saharan dust that caused flooding, one fatality, multiple rescues, and widespread disruption to maritime and air transport. The hardest-hit areas included Attica, the Aegean islands, Crete, and parts of the Peloponnese.
Flooding developed across northern Indiana, southern Michigan, and northwest Ohio between March 31 and April 5, 2026, following multiple rounds of heavy rainfall totaling over 100 mm (4 inches) in many locations. Rivers including the St. Joseph, Maumee, and Tippecanoe rose rapidly to moderate flood stage, with some locations experiencing sharp rises within hours. Flooding impacted parks, infrastructure, and transportation, with additional storm damage reported in parts of Ohio.
Widespread flooding across Afghanistan has left at least 148 people dead as of April 8, 2026, following nearly two weeks of persistent storms, flash floods, and landslides. The event, which began in late March, has affected most of the country’s provinces, destroying more than 1 100 homes, damaging thousands more, and impacting over 6 000 families.
