Flash Flood in Maui County, Hawaii

Flash Flood March 21, 2026 – March 22, 2026 · Maui County, Hawaii

$10.0M

Damage as recorded

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Heavy rain moved over Molokai and led to numerous impacts. A landslide closed road from mile marker 7 to 12 at Kamehameha V Highway with flood water, mud, and boulders up to 4 feet deep. Kamehameha V Highway was then closed from Kapaakea Loop eastward due to flooding. On March 22 early in the morning, homes and vehicles in the Kalamaula Homesteads became flooded from heavy rain and thunderstorms. Residents also reported leaking roofs and lost goods, appliances, and other property damages.

The wider storm

A cutoff low moved in from the northwest and pulled deep tropical moisture from the south over the Hawaiian islands. This led to the development of prolonged slow moving heavy rain and thunderstorms. The heavy rain and thunderstorms caused catastrophic flooding over Oahu's North Shore and Manoa Valley.

Began near Ilio Point (21.2648, -157.2838).

Source: NOAA Storm Events Database, event 1318322. Narratives are written by the National Weather Service forecast office that issued the report.

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