Severe · Flash Flood WarningThis alert has expired. It is kept for reference.
Flash Flood Warning issued September 7 at 9:39PM HST until September 7
Affecting Kauai, HI
In effect until: Sep 8, 2026, 8:30 AM
Kauai, HI
Likely impact in Kauai, HI; effects through 8:30 AM.
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.
Read the original bulletin (official text)
At 939 PM HST, Doppler radar indicated heavy rain over Kauai. Rain was falling at a rate of 1 to 2 inches per hour. Substantial rises have been observed at the Wainiha River, Waialae Stream, Hanapepe River, and Kawaikoi Stream gages. The Waimea River continues to steadily rise. In addition, water levels at the Hanalei River Bridge on Kuhio Highway have sharply risen during the last hour. Rises on other area rivers and streams can also be expected as heavy rain continues. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by heavy rain. SOURCE...Gauges reported. 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... The island of Kauai.
Free. In your language.
Get the next alert for your area before it matters.
Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™