Headline:
Flash Flood Warning issued March 20 at 7:49PM HST until March 20 at 11:00PM HST by NWS Honolulu HI
Event:
Flash Flood Warning
Urgency:
Immediate
Effective:
March 20, 2026 - 10:49pm
Expires:
March 21, 2026 - 2:00am
Description:
FFWHFO
The National Weather Service in Honolulu has extended the
* Flash Flood Warning for...
The island of Oahu in Honolulu County
* Until 1100 PM HST.
* At 749 PM HST, emergency management reported numerous closed roads
due to flooding from earlier today. Latest radar shows a decrease
in shower intensity, but heavy showers will be possible tonight.
The Wahiawa Reservoir remains elevated and will continue to be a
concern due to additional heavy rain expected over the next few
days.
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...
Wahiawa, Schofield Barracks, Wheeler Field, Haleiwa, Waialua,
Mililani, Hauula, Laie, Waianae, Punaluu, Kahuku, Nanakuli,
Waikane, Kaaawa, Helemano Housing, Whitmore Village, Waimea
Valley, Waimea Bay, Mokuleia and Pupukea.
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.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
Area Description:
Oahu in Honolulu, HI
Forcast Office:
NWS Honolulu HI
Sender: