Hawaii Faces Worst Flooding in Two Decades as Heavy Rains Persist

Sat Mar 21 2026 13:42:51 GMT+0000 (Coordinated Universal Time)

Hawaii is grappling with severe flooding, the worst in over 20 years, affecting thousands and prompting evacuation orders as authorities warn of potential dam failures.

Hawaii has been hit by its most severe flooding in over two decades, with torrential rains causing widespread devastation particularly on Oahu’s North Shore. Approximately 5,500 residents were evacuated as officials warned that a 120-year-old dam was at risk of imminent failure. Governor Josh Green estimates the damage could exceed $1 billion. Emergency efforts are underway to rescue stranded individuals, while more rain is forecast for the coming days.

HONOLULU — Hawaii is enduring its most severe flooding in over 20 years, as heavy rains continue to wreak havoc on communities already saturated from previous storms. The National Weather Service issued warnings of flash floods across the state, particularly on Oahu’s renowned North Shore, prompting evacuation orders for approximately 5,500 residents.

Emergency services, alongside the National Guard, are engaging in rescue operations for individuals stranded amidst the flooding. Authorities voiced concerns over the condition of an aging dam that could fail under current conditions, raising fears of devastating outcomes in the event of a breach.

Hawaii's Governor Josh Green indicated that the storm's damages may exceed a staggering $1 billion, which includes impacts on airports, schools, roads, and homes. “This is going to have a very serious consequence for us as a state,” he stated during a news conference.

Despite the severity of the flooding, no casualties have been reported, although many have suffered from hypothermia due to the adverse weather conditions. An ongoing search for stranded individuals has been complicated by the use of personal drones, hindering rescue efforts.

Previous flooding events, such as those in 2004, resulted in significant damages to infrastructure and properties, prompting heightened awareness and concern regarding emergency preparedness in the region.

Weather experts note that the increasing intensity and frequency of such storms are influenced by global climate change, with rainfall forecasts predicting an additional 6 to 8 inches within the next few days.

As recovery efforts continue, local authorities are focused on ensuring the safety of residents, closely monitoring the questionable state of infrastructure, particularly the over century-old Wahiawa dam, which has shown risk signs over the years. The state is actively working on solutions to mitigate potential disasters while addressing the challenges posed by worsening climatic conditions.