Headline:
Flood Watch issued August 16 at 4:15AM HST until August 16 at 6:00PM HST by NWS Honolulu HI
Event:
Flood Watch
Urgency:
Future
Effective:
August 16, 2026 - 7:15am
Expires:
August 16, 2026 - 9:00pm
Description:
Tropical Storm Lala will continue to bring heavy rain to the Big
Island and Maui County through this afternoon, and bring heavy rain
to Oahu, Kauai, and Niihau through late tonight.
* WHAT...Flash flooding caused by excessive rainfall will be
possible.
* WHERE...The Big Island and Maui.
* 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...
- Although Tropical Storm Lala has moved west of the islands,
trailing rain bands could bring additional heavy rain to the Big
Island and Maui County through this afternoon. Torrential
rainfall over the past 24 hours has created saturated grounds. It
will not take a significant amount of rain to produce additional
flash flooding.
Instruction:
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
Area Description:
Maui Windward West; Maui Leeward West; Haleakala Summit; Kona; Kohala; Big Island Interior; Big Island Summit; Maui Central Valley North; Maui Central Valley South; Windward Haleakala; Kipahulu; South Maui/Upcountry; South Haleakala; Big Island South; Big Island Southeast; Big Island East; Big Island North
Forcast Office:
NWS Honolulu HI
Sender:
w-nws.webmaster@noaa.gov