Flash Flood Warning — Kauai County, Hawaii
Flooding is imminent or already occurring. Move to higher ground immediately — never drive through flooded roads.
Current Status
🌊 Active: Flash Flood Warning
Flash Flood Warning issued August 16 at 11:46AM HST until August 16 at 2:45PM HST by NWS Honolulu HI
FFWHFO The National Weather Service in Honolulu has issued a * Flash Flood Warning for... The island of Kauai in Kauai County * Until 245 PM HST. * At 1146 AM HST, Doppler radar indicated heavy rain over Kauai. Rain was falling at a rate of up to 1 inch per hour. Kuhio Highway is inundated and is closed at the Hanalei River Bridge. HAZARD...Flash flooding caused by heavy rain. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Princeville, Kilauea, Hanalei, Wainiha, Haena, Moloaa, Alakai Swamp Trails, Anahola, Na Pali State Park, Kokee State Park and Kalihiwai.
Effective August 16, 2026 at 5:46 PM ET · Expires August 16, 2026 at 8:45 PM ET
Event Details
Event Type
Flash Flood Warning
Severity
severe
Issued By
NWS Honolulu HI
Expires
August 16, 2026 at 8:45 PM ET
Last Checked
just now
What To Do
📋 Official NWS Guidance
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Other Active Alerts in Hawaii
Flood Advisory
Flash Flood Warning
Flood Advisory
Flash Flood Warning
Flash Flood Warning
Flood Advisory
Get Flash Flood Warning Alerts for Kauai County
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Frequently Asked Questions
What does a Flash Flood Warning mean for Kauai County, Hawaii?
Flooding is imminent or already occurring. Move to higher ground immediately — never drive through flooded roads.
Is this Flash Flood Warning currently active?
Yes — this alert is active as of our last check (just now). It's set to expire August 16, 2026 at 8:45 PM ET.
How do I get notified about Flash Flood Warning alerts for Kauai County?
Download StormCast free on Google Play and set Kauai County, Hawaii as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.