Flash Flood Warning Hawaii | Effective 03/14/2026 16:48

Headline: 
Flash Flood Warning issued March 14 at 1:48PM HST until March 14 at 5:00PM HST by NWS Honolulu HI
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
March 14, 2026 - 4:48pm
Expires: 
March 14, 2026 - 8:00pm
Description: 
At 148 PM HST, radar indicated heavy rain continuing to fall over the Puna and Kau districts along the southeast slopes of the Big Island. Rain was falling at a rate of 1 to 2 inches per hour with more rain expected. Additionally, Emergency Management reported Highway 11 was closed between mile marker 50 to 51, and Pahala is now cut off. HAZARD...Heavy rain producing life threatening flash flooding. SOURCE...Radar and automated gauges. 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... The Kau and Puna districts.
Instruction: 
Stay away from streams, rivers, drainage ditches, and culverts, even if they are currently dry. Do not cross fast flowing or rising water in your vehicle, or on foot. Turn around, don't drown.
Area Description: 
Hawaii in Hawaii, HI
Forcast Office: 
NWS Honolulu HI