Flash flood warning now in effect for parts of windward Big Island
Update at 4:25 p.m. Oct. 29, 2026: A flash flood warning is now in effect until 7 p.m. today for portions of windward Big Island.
National Weather Service forecasters in Honolulu report that doppler radar indicates rain falling at a rate of 1 to 3 inches per hour in several locations. The heaviest rainfall was located over the Hilo districts at the time.
Flash flooding caused by the heavy rain is impacting small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.
Some locations that will experience flash flooding include Hilo, Hawaiian Paradise Park, Kapaʻau, Honokaʻa, Honomū, Pāpaʻikou, Pepe‘ekeo, Hakalau, Nīnole, Laupāhoehoe, Mountain View and Glenwood.
The public is advised to turn around, don`t drown when encountering flooded roads. Most flood deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
The flood advisory that was previously in effect until 5 p.m. for several locations of windward Big Island also was canceled.
Post originally published/updated at 2:20 p.m. Oct. 29, 2026: Another flood advisory is now in effect until 5 p.m. today for additional portions of windward Big Island.
Doppler radar indicated just after 2 p.m. today that heavy rain — falling at 1 to 2 inches per hour — over eastern portions of the island with the heaviest in the Hilo and Puna districts.
National Weather Service forecasters in Honolulu report minor flooding is ongoing or expected to begin shortly in the advisory area.
Some locations that will experience flooding include Hilo, Hawaiian Paradise Park, Kapaʻau, Honokaʻa, Honomū, Pāpaʻikou, Pepe‘ekeo, Hakalau, Nīnole, Laupāhoehoe, Mountain View and Glenwood.
A flood advisory also remains in effect until 4:15 p.m. today for parts of windward Big Island expected to see possible flooding caused by excessive rainfall.
Doppler radar indicated shortly after 1:15 p.m. today that heavy rain — at a rate of 1 to 2 inches per hour — was falling over Puna and South Hilo, with the heaviest rain near Glenwood and Mountain View.
Minor flooding is ongoing or expected to being shortly within that advisory area.
Some locations that will experience flooding include Hilo, Hawaiian Paradise Park, Mountain View, Glenwood, Keaʻau, Hawaiian Acres, Orchidland Estates, Volcano, Pāpaʻikou, Pāhoa and Pepe‘ekeo.
Minor flooding on roads and in poor drainage areas as well as streams along with water over roadways are possible in both advisory areas.
Stay away from streams, drainage ditches and low-lying areas prone to flooding.
A flood watch remains in effect until 6 p.m. today for the Big Island.
