Active Weather Alerts
Flood Watch
Issued: 2:03 AM Sep. 17, 2026 – National Weather Service
...FLOOD WATCH IN EFFECT THROUGH LATE THURSDAY NIGHT... * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...All main Hawaiian Islands. * WHEN...Through late Thursday night. * IMPACTS...Flood prone roads and other low lying areas may be closed due to elevated runoff and overflowing streams. Urban areas may receive more significant flooding and property damage due to rapid runoff. * ADDITIONAL DETAILS... - A band of remnant moisture from Norbert will move east across the islands tonight into Friday, bringing moderate to locally heavy showers. There is a slight chance of thunderstorms on Thursday as well, which could produce briefly higher rain rates, increasing the risk of flash flooding. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. &&
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