739 WGHW70 PHFO 211428 FFSHFO Flash Flood Statement National Weather Service Honolulu HI 428 AM HST Sat Feb 21 2026 HIC003-211645- /O.CON.PHFO.FF.W.0005.000000T0000Z-260221T1645Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Honolulu HI- 428 AM HST Sat Feb 21 2026 ...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 AM HST THIS MORNING FOR THE ISLAND OF OAHU IN HONOLULU COUNTY... At 428 AM HST, radar and automated rain gauges continued to show that heavy rain was falling along a convergence band anchored over the Koolau Mountains. The heaviest rain was falling at a rate of 2 to 4 inches per hour under this band and stream levels continue to rise. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by heavy rain. SOURCE...Radar and automated gauges. IMPACT...Flooding in drainages, streams, rivers, roads, properties, and other low-lying areas. Public road closures possible in some areas. Landslides are possible in steep terrain. Some locations that will experience flash flooding include... Honolulu, Waipio, Waiahole, Waikane, Kahaluu, Ahuimanu, Pearl City, Aiea, Halawa, Mililani, Kaaawa, Moanalua, Salt Lake, Waikele, Wahiawa, Punaluu, Waipahu, Kalihi, Kaneohe and Wheeler Field. PRECAUTIONARY/PREPAREDNESS ACTIONS... Stay away from streams, rivers, drainage ditches, and culverts, even if they are currently dry. && LAT...LON 2160 15813 2169 15805 2173 15798 2155 15783 2147 15783 2143 15779 2147 15779 2147 15772 2141 15773 2134 15769 2133 15764 2131 15764 2125 15769 2125 15772 2127 15773 2124 15782 2129 15787 2130 15790 2129 15796 2160 15815 FLASH FLOOD...RADAR AND GAUGE INDICATED $$ RCB