Severe · Flood WatchActive alert

Flood Watch issued September 26 at 5:26PM HST until September 27 at

Affecting Kona; Kohala; Big Island Interior; Big Island Summit; Big Island South; Big Island Southeast; Big Island East; Big Island North

In effect until: Sep 27, 2026, 4:00 PM

Kona; Kohala; Big Island Interior; Big Island Summit; Big Island South; Big Island Southeast; Big Island East; Big Island North

Possible impact zone; conditions develop through 4:00 PM.

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

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Read the original bulletin (official text)

Hurricane Nolo is now south-southwest of the Big Island and
beginning to move more quickly off to the west. The possibility of
heavy rain could lead to localized flooding over portions of the Big
Island through tonight.

* WHAT...Flash flooding caused by excessive rainfall is possible.

* WHERE...The Big Island.

* 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...
- The possibility remains for localized flooding over areas of the
Big Island due to heavy rain from Hurricane Nolo to the
south-southwest of the Big Island. Areas most at risk for
flooding are the windward and southeast portions of the Big
Island where the ground remains saturated after recent rains.

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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™

Flood Watch issued September 26 at 5:26PM HST until September 27 at

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