Active Weather Alerts
Flood Watch
Issued: 11:37 AM Feb. 21, 2026 – National Weather Service
* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Oahu. * WHEN...Through this afternoon. * 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... - An upper level trough swinging through the northwestern islands today will produce periods of heavy showers and isolated thunderstorms. The trough axis should lift north of the area later this afternoon, 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. &&
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