Hawaii Flash Flood Warning | Effective 04/10/2026 16:49

Headline: 
Flash Flood Warning issued April 10 at 1:49PM HST until April 10 at 5:00PM HST by NWS Honolulu HI
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
April 10, 2026 - 4:49pm
Expires: 
April 10, 2026 - 8:00pm
Description: 
FFWHFO The National Weather Service in Honolulu has extended the * Flash Flood Warning for... The island of Oahu in Honolulu County * Until 500 PM HST. * At 149 PM HST, emergency management reported heavy rain and flooding over the north shore of Oahu. Radar indicated rain was falling at a rate of 1 to 2 inches per hour within some of the heavier showers moving in from the west. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by heavy rain. SOURCE...Emergency management. 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... Waialua, Haleiwa, Schofield Barracks, Wahiawa, Wheeler Field, Mililani, Waianae, Hauula, Laie, Nanakuli, Kahuku, Punaluu, Helemano Housing, Whitmore Village, Mokuleia, Waimea Valley, Waimea Bay, Pupukea, Sunset Beach and Dillingham Field.
Instruction: 
Stay away from streams, rivers, drainage ditches, and culverts, even if they are currently dry.
Area Description: 
Oahu in Honolulu, HI
Forcast Office: 
NWS Honolulu HI