Severe

Significant threat to life or property

Flash Flood Warning Severe Hawaii | Effective 03-20-2026 04:53

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> FFWHFO The National Weather Service in Honolulu has extended the * Flash Flood Warning for...<br /> The island of Oahu in Honolulu County * Until 500 AM HST. * At 153 AM HST, emergency management reported heavy rain and<br /> widespread flooding across northern Oahu this morning. Currently,<br /> there is no road access in or out of Haleiwa due to high flood<br /> waters. Although rainfall rates have decreased over the area,<br />

Flash Flood Warning Severe Hawaii | Effective 03-20-2026 02:39

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> At 1139 PM HST, radar and rain gauges indicated heavy rain falling<br /> over the northern half of Oahu. Rain was falling at a rate of 1 to 3<br /> inches per hour. Flash flooding is ongoing potentially making<br /> roadways impassable. Flooding conditions will rapidly worsen as<br /> additional heavy rain continues to fall over the next hour. Oahu<br /> Emergency Management officials are reporting streams and drainages<br />
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