Flash Flood Warning Hawaii | Effective 03/21/2026 17:46

Headline: 
Flash Flood Warning issued March 21 at 2:46PM HST until March 21 at 6:00PM HST by NWS Honolulu HI
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
March 21, 2026 - 5:46pm
Expires: 
March 21, 2026 - 9:00pm
Description: 
FFWHFO The National Weather Service in Honolulu has extended the * Flash Flood Warning for... The island of Maui in Maui County * Until 600 PM HST. * At 246 PM HST, radar indicated heavy showers continuing to move over western and central Maui from the southwest, with rain falling at rates of 1 to 2 inches per hour. Emergency management reported road closures in Lahaina and near Kahakuloa, and a rapid rise in water level has been observed at Ukumehame Gulch. HAZARD...Flash flooding caused by heavy rain. SOURCE...Radar. 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... Kahului, Kihei, Lahaina, Waikapu, Maalaea, Wailuku, Puunene, Waiehu, Waihee, Paia, Haliimaile, Olowalu, Pukalani, Makawao, Kahakuloa, Wailea, Kula, Keokea, Pauwela and Haiku-Pauwela.
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