Weather Alerts For Hilo, HI

# HEADLINE -------------------- FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT # SUMMARY -------------------- .A trough moving over the state is expected to continue to bring abundant tropical moisture to the area through tonight. Heavy rain and isolated thunderstorms are expected to produce flash flooding that may impact areas across Oahu through the Big Island. # DETAILS -------------------- WHAT Flash flooding caused by excessive rainfall continues to be possible. WHERE Oahu, Molokai, Lanai, Maui, 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 - Heavy showers and isolated thunderstorms with intense rain rates may develop at any time through tonight as a trough continues moving over the state. While the greatest flood threat will be focused over Oahu and Maui County, all islands are at risk. ISSUED AT Wednesday, October 28, 2026 at 3:29 PM HST ISSUED BY National Weather Service Honolulu HI HEADER Flood Watch # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. # AREAS AFFECTED -------------------- Big Island South, Koolau Leeward, Lanai South, Molokai West, Windward Haleakala, Big Island East, Big Island Interior, Big Island North, Big Island Southeast, Big Island Summits, Central Oahu, East Honolulu, Ewa Plain, Haleakala Summit, Honolulu Metro, Kahoolawe, Kipahulu, Kohala, Kona, Koolau Windward, Lanai Leeward, Lanai Mauka, Lanai Windward, Maui Central Valley North, Maui Central Valley South, Maui Leeward West, Maui Windward West, Molokai Leeward South, Molokai North, Molokai Southeast, Molokai Windward, Oahu North Shore, Olomana, South Haleakala, South Maui/Upcountry, Waianae Coast, Waianae Mountains