Flash Flood Warning Severe Hawaii | Effective 03-21-2026 02:34

Headline: 
Flash Flood Warning issued March 20 at 11:34PM HST until March 21 at 2:30AM HST by NWS Honolulu HI
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
March 21, 2026 - 2:34am
Expires: 
March 21, 2026 - 5:30am
Description: 
FFWHFO The National Weather Service in Honolulu has issued a * Flash Flood Warning for... The island of Molokai in Maui County * Until 230 AM HST. * At 1134 PM HST, A line of heavy showers with embedded thunderstorms moving in from the west is producing rainfall rates of 1 to 3 inches per hour. Reports of flooding, downed trees, and landslides have already been received from emergency management over west Molokai near Kepuhi and Paniolo. Elsewhere across the island, water levels in Kawela Gulch are already elevated, and additional heavy rainfall will worsen runoff and flash flooding impacts through the overnight hours as the heavy showers and storms expand eastward over the area. HAZARD...Heavy rain producing life threatening flash flooding. SOURCE...Radar. IMPACT...Significant and life threatening flooding in drainages, streams, rivers, roads, properties, and other low lying areas. Multiple public road closures expected, as well as landslides in steep terrain. * Some locations that will experience flash flooding include... This includes the entire island of Molokai.
Instruction: 
Stay away from streams, rivers, drainage ditches, and culverts, even if they are currently dry. Be especially cautious at night when it is harder to recognize the dangers of flooding. The heavy rains may cause rock and mudslides in steep terrain areas.
SNM: AVISO DE INUNDACIONES REPENTINAS hasta 2:30 AM HST. Evite areas inundadas.
Servicio Nacional de Meteorologia: AVISO DE INUNDACIONES REPENTINAS en efecto para esta area hasta las 2:30 AM HST. Esta es una situacion peligrosa y amenaza la vida. No intente viajar a menos que sea para abandonar un area propensa a inundaciones o bajo una orden de desalojo.
Area Description: 
Maui, HI
Forcast Office: 
NWS Honolulu HI
Sender: 
w-nws.webmaster@noaa.gov