Flash Flood Warning — Oahu in Honolulu County, Hawaii
Flooding is imminent or already occurring. Move to higher ground immediately — never drive through flooded roads.
Current Status
🌊 Active: Flash Flood Warning
Flash Flood Warning issued August 16 at 11:51AM HST until August 16 at 12:00PM HST by NWS Honolulu HI
Heavy rain has ended over the island of Oahu. Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures. A Flood Watch remains in effect until 600 AM HST Monday for the island of Oahu.
Effective August 16, 2026 at 5:51 PM ET · Expires August 16, 2026 at 6:01 PM ET
Event Details
Event Type
Flash Flood Warning
Severity
severe
Issued By
NWS Honolulu HI
Expires
August 16, 2026 at 6:01 PM ET
Last Checked
56 minutes ago
Other Active Alerts in Hawaii
Flood Advisory
Flash Flood Warning
Flood Advisory
Flash Flood Warning
Flash Flood Warning
Flood Advisory
Get Flash Flood Warning Alerts for Oahu in Honolulu County
StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
Frequently Asked Questions
What does a Flash Flood Warning mean for Oahu in Honolulu County, Hawaii?
Flooding is imminent or already occurring. Move to higher ground immediately — never drive through flooded roads.
Is this Flash Flood Warning currently active?
Yes — this alert is active as of our last check (56 minutes ago). It's set to expire August 16, 2026 at 6:01 PM ET.
How do I get notified about Flash Flood Warning alerts for Oahu in Honolulu County?
Download StormCast free on Google Play and set Oahu in Honolulu County, Hawaii as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.