Flash Flood Warning Hawaii | Effective 03/21/2026 10:47
Public safety alert, emergency alert, and weather alert<br />
Description:<br />
FFWHFO
The National Weather Service in Honolulu has extended the
* Flash Flood Warning for...<br />
The island of Oahu in Honolulu County
* Until 1100 AM HST.
* At 747 AM HST, emergency management continued to report road<br />
closures across Oahu due to recent flooding. Additional bands of<br />
heavy showers and thunderstorms continue to pass over the<br />
southeast half of Oahu, with rain rates as high as 1 to 2 inches<br />
per hour.