Active Weather Alerts
Flood Watch
Issued: 2:40 AM Feb. 22, 2026 – National Weather Service
* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Oahu. * WHEN...Through late tonight. * IMPACTS...Flood prone roads and other low lying areas may be closed due to elevated runoff and overflowing streams. Urban areas may receive more significant flooding and property damage due to rapid runoff. * ADDITIONAL DETAILS... - A vigorous upper level trough continues to slowly swing through the state this afternoon and will continue to bring unstable weather conditions through tonight. Heavy showers and isolated thunderstorms will continue to be possible overnight tonight. The trough axis should lift north of the area by Sunday morning, which should diminish the flooding threat. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. &&
Flood Advisory
Issued: 1:59 AM Feb. 22, 2026 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 7 PM HST THIS EVENING FOR THE ISLAND OF OAHU IN HONOLULU COUNTY... * WHAT...Flooding caused by excessive rainfall. * WHERE...The island of Oahu in Honolulu County. * WHEN...Until 700 PM HST. * IMPACTS...Water over roadways. Overflowing poor drainage areas. * ADDITIONAL DETAILS... - At 355 PM HST, radar indicated heavy rain over the windward side of the Koolau Mountain Range. Rain was falling at a rate of up to 2 inches per hour and is now beginning to anchor along the Koolau Range. Additional heavy showers will likely persist through this evening over already very saturated areas. - Some locations that will experience flooding include... Waiahole, Waikane, Kahaluu, Ahuimanu, Kaaawa, Punaluu, Kaneohe, Kaneohe Marine Base, Mililani, Hauula, Kalihi, Wahiawa, Maunawili, Kailua, Manoa, Laie, Palolo, Waimanalo, Kahuku and Hawaii Kai. PRECAUTIONARY/PREPAREDNESS ACTIONS... Stay away from streams, drainage ditches and low lying areas prone to flooding. A Flood Watch is also in effect for Honolulu County through this afternoon. && This advisory may need to be extended beyond 700 PM HST if flooding; persists.
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