Flood Watch Issued for Entire State of Hawaii as Remnants of Tropical Storm Norbert Bring Heavy Rain

A Flood Watch is in effect for the entire state of Hawaii from 6 p.m. HST on September 16 through 6 a.m. HST on September 18, 2026. Remnant moisture from former Tropical Storm Norbert is expected to bring periods of moderate to heavy showers, with flash flooding possible in flood-prone roads and low-lying areas. The National Weather Service Honolulu and Hawai'i County Civil Defense advise residents to monitor forecasts and be prepared for potential road closures and property damage.