Active Weather Alerts
Flood Watch
Issued: 12:54 AM Apr. 11, 2026 – National Weather Service
* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Oahu, Maui, Molokai, Lanai, Kahoolawe, and the Big Island. * WHEN...Through late tonight. * IMPACTS...Significant flooding may occur due to the overflow of streams and drainages. Roads in several areas may be closed, along with property damage in urban or low lying spots due to runoff. Landslides may also occur in areas with steep terrain. * ADDITIONAL DETAILS... - Low pressure northwest of the islands will continue to draw deep tropical moisture northward across the state, bringing the potential for heavy rain capable of producing flash flooding. The focus will gradually shift eastward tonight into Saturday morning as the axis of moisture progresses down the island chain and drier air fills in behind. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. &&
Flash Flood Warning
Issued: 12:45 AM Apr. 11, 2026 – National Weather Service
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 5 PM HST THIS AFTERNOON FOR THE ISLAND OF OAHU IN HONOLULU COUNTY... At 245 PM HST, emergency management reported heavy rain and flooding over the north shore of Oahu. Evacuation of Otake Camp is ongoing and emergency management reports road closures of Wilikina Drive and Kaukonahua Road. 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. 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... 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. PRECAUTIONARY/PREPAREDNESS ACTIONS... Stay away from streams, rivers, drainage ditches, and culverts, even if they are currently dry. && FLASH FLOOD...OBSERVED; FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
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