Flash Flood Warning

Locations Affected

Hilo International Airport 87, HI ∙ Hawaiian Beaches, HI ∙ Island of Hawai‘i, HI ∙ Eden Roc, HI ∙ Leleiwi Point, HI ∙ Discovery Harbour, HI ∙ Cape Kumukahi, HI ∙ Volcano, HI ∙ Kurtistown, HI ∙ Pāhoa, HI

Full Alert Message

BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Honolulu HI 328 PM HST Mon Mar 23 2026 The National Weather Service in Honolulu has extended the * Flash Flood Warning for... The island of Hawaii in Hawaii County * Until 645 PM HST. * At 328 PM HST, radar indicated areas of heavy rain continuing over portions of east and southeast Big Island. The heaviest rain is concentrated over the Kau District between Kawa Flats and Volcano, including portions of Mamalahoa Highway. Rain was falling at a rate of 2 to 4 inches per hour. The water level at the Paauau Gulch gage near Pahala continues to run high. Emergency management reports water over Mamalahoa Highway at that location. HAZARD...Heavy rain producing life threatening flash flooding. SOURCE...Emergency management. IMPACT...Significant and life threatening flooding in drainages, streams, rivers, roads, properties, and other low lying areas. Multiple public road closures expected, as well as landslides in steep terrain. * Some locations that will experience flash flooding include... Hilo, Hawaiian Paradise Park, Honokaa, Volcano, Glenwood, Mountain View, Hawaii Volcanoes National Park, Hawaiian Acres, Keaau, Wood Valley, Pohakuloa Camp, Papaikou, Pepeekeo, Pahala, Honomu, Pahoa and Hakalau. PRECAUTIONARY/PREPAREDNESS ACTIONS... Stay away from streams, rivers, drainage ditches, and culverts, even if they are currently dry. Excessive runoff from heavy rainfall will cause flooding of drainage ditches and streams, streets, highways, properties, and other low lying spots. && This warning may need to be extended beyond 645 PM HST if flooding persists. LAT...LON 1979 15510 1971 15507 1975 15500 1965 15497 1952 15480 1945 15483 1934 15498 1925 15516 1925 15529 1913 15550 1908 15554 1896 15559 1890 15568 1893 15571 1895 15573 1969 15550 FLASH FLOOD...OBSERVED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

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