Flash Flood Warning Issued for Kauai, HI
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NWS Honolulu issued a Flash Flood Warning for Kauai until 10:30 PM HST due to heavy rain and rising rivers.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Kauai, HI
- Issued
- September 8, 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: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
A Flash Flood Warning has been issued by the National Weather Service in Honolulu HI. The alert is effective from September 7 at 7:38 PM HST until September 7 at 10:30 PM HST.
Affected Areas
The warning covers the island of Kauai in Kauai County. Specific locations that will experience flash flooding include Lihue, Kapaa, Kalaheo, Kekaha, Princeville, Kilauea, North Fork Wailua Trails, Alakai Swamp Trails, Lawai, Omao, Kokee State Park and Wailua Homesteads.
What You Should Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Be aware of your surroundings and do not drive on flooded roads.
Expected Conditions
At 7:38 PM HST, Doppler radar indicated heavy rain over Kauai falling at a rate of 1 to 2 inches per hour. Substantial rises have been observed at the Wainiha River and Waialae Stream gages. Rises on other area rivers and streams can also be expected.
Timeline
The Flash Flood Warning is in effect from 7:38 PM HST to 10:30 PM HST on September 7.
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 (1,129 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to September 8, 2026.
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