Flash Flood Warning Hawaii | Effective 04/08/2026 01:18

Headline: 
Flash Flood Warning issued April 7 at 10:18PM HST until April 8 at 12:15AM HST by NWS Honolulu HI
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
April 8, 2026 - 1:18am
Expires: 
April 8, 2026 - 3:15am
Description: 
At 1018 PM HST, emergency management reported water over Hana Highway between Hana and Hamoa around 8 pm. Rainfall rates have been deceasing over the area and is now around 0.5 to 1.5 inches per hour. Water over the highway is receding. Another band of heavy showers southwest of Maui may increase showers again in the next couple of hours. Will continue to monitor for any additional heavy rain. HAZARD...Flash flooding caused by heavy rain. SOURCE...Emergency management. IMPACT...Flooding in drainages, streams, rivers, roads, properties, and other low-lying areas. Public road closures possible in some areas. Landslides are possible in steep terrain. Some locations that will experience flash flooding include... Hana, Kipahulu and Hamoa.
Instruction: 
Stay away from streams, rivers, drainage ditches, and culverts, even if they are currently dry.
Area Description: 
Maui, HI
Forcast Office: 
NWS Honolulu HI