Flash Flood Emergency Issued for Hawaii County, HI
This alert is no longer in effect.
NOAA issued it on August 16, 2026, 7 days ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS Honolulu has issued a Flash Flood Warning and emergency for the island of Hawaii until 1:00 AM HST due to life-threatening flooding.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Hawaii County, HI
- Issued
- August 16, 2026
- Issuing authority
- NWS Honolulu HI
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: historical. It was issued 7 days ago; use the issuing agency's live warning service for current conditions in Hawaii County, HI.
Alert Details
A Flash Flood Warning has been issued by the National Weather Service in Honolulu. The alert is effective from August 15 at 9:53 PM HST until August 16 at 1:00 AM HST. It has been classified as a FLASH FLOOD EMERGENCY for Naalehu in Kau District.
Affected Areas
The warning covers the island of Hawaii in Hawaii County. Specific locations include Wood Valley, Pahala, Punaluu Beach, Hawaii Volcanoes National Park, Kawa Flats, Volcano, Naalehu, Glenwood, Hawaiian Ocean View, Mountain View, and Waiohinu.
What You Should Do
Move to higher ground now. This is an extremely dangerous and life-threatening situation. Do not attempt to travel unless fleeing an area subject to flooding or under an evacuation order.
Expected Conditions
At 9:53 PM HST, local law enforcement reported 2 homes swept away due to intense rainfall over Naalehu, with rain falling at a rate of 3 to 5 inches per hour. Flash flooding is ongoing with additional heavy rain bands expected.
Timeline
The alert is in effect until 1:00 AM HST on August 16.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,056 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 16, 2026.
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