...FLOOD WATCH IN EFFECT THROUGH LATE THURSDAY NIGHT...
Expires: September 18, 2026 @ 6:00am
PRECAUTIONARY
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
LOCATIONS
WHAT...Flash flooding caused by excessive rainfall is possible.
INFO1
WHERE...All main Hawaiian Islands.
INFO2
WHEN...Through late Thursday night.
INFO3
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.
INFO4
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.
