Weather Alerts For Kahului, HI

# HEADLINE -------------------- FLOOD WATCH IN EFFECT FROM SUNDAY EVENING THROUGH TUESDAY AFTERNOON # SUMMARY -------------------- .Moisture along the eastern flank of Hurricane Lowell will bring periods of heavy rain to the main Hawaiian Islands late Sunday through Tuesday. # DETAILS -------------------- WHAT Flash flooding caused by excessive rainfall is possible. WHERE All main Hawaiian Islands. WHEN From Sunday evening through Tuesday 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 - Moisture along the eastern flank of Hurricane Lowell will bring periods of heavy rain to the main Hawaiian islands late Sunday through Tuesday. Initially, the threat of heavy rain will be highest along windward and mountain areas, then the threat will spread everywhere as the winds become more southerly by Monday. - The entire state. ISSUED AT Saturday, September 5, 2026 at 3:44 PM HST ISSUED BY National Weather Service Honolulu HI HEADER URGENT - IMMEDIATE BROADCAST REQUESTED | Flood Watch # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. # AREAS AFFECTED -------------------- Kahoolawe, Kauai East, Kona, Koolau Windward, Lanai Leeward, Molokai North, South Haleakala, Big Island East, Big Island Interior, Big Island North, Big Island South, Big Island Southeast, Big Island Summits, Central Oahu, East Honolulu, Ewa Plain, Haleakala Summit, Honolulu Metro, Kauai Mountains, Kauai North, Kauai South, Kauai Southwest, Kipahulu, Kohala, Koolau Leeward, Lanai Mauka, Lanai South, Lanai Windward, Maui Central Valley North, Maui Central Valley South, Maui Leeward West, Maui Windward West, Molokai Leeward South, Molokai Southeast, Molokai West, Molokai Windward, Niihau, Oahu North Shore, Olomana, South Maui/Upcountry, Waianae Coast, Waianae Mountains, Windward Haleakala