Active Weather Alerts
Flood Watch
Issued: 1:15 PM Sep. 17, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT... * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...All main Hawaiian Islands. * WHEN...Through late tonight. * 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 west across the islands through Friday, bringing moderate to locally heavy showers to mainly windward sides of the islands. There is a slight chance of thunderstorms 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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