Flash Flood Warning issued March 20 at 8:42PM HST until March 21 at 12:00AM HST by NWS Honolulu HI

What changed

NWS Active Alerts: Flash Flood Warning issued March 20 at 8:42PM HST until March 21 at 12:00AM HST by NWS Honolulu HI.

First seen Mar 20, 2026, 1:16 PM UTC Latest source Mar 21, 2026, 6:42 AM UTC

Update 1 1h ago

Flash Flood Warning issued March 20 at 8:42PM HST until March 21 at 12:00AM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 6:42 AM UTC •fetched Mar 21, 2026, 6:42 AM UTC

Update 2 1h ago

Special Marine Warning issued March 20 at 8:22PM HST until March 20 at 10:15PM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 6:22 AM UTC •fetched Mar 21, 2026, 6:24 AM UTC

Update 3 2h ago

Flash Flood Warning issued March 20 at 7:49PM HST until March 20 at 11:00PM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 5:49 AM UTC •fetched Mar 21, 2026, 5:53 AM UTC

Update 4 2h ago

Flood Advisory issued March 20 at 7:24PM HST until March 20 at 10:30PM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 5:24 AM UTC •fetched Mar 21, 2026, 5:25 AM UTC

Update 5 3h ago

Special Marine Warning issued March 20 at 6:25PM HST until March 20 at 8:30PM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 4:25 AM UTC •fetched Mar 21, 2026, 4:26 AM UTC

Update 6 4h ago

Flood Advisory issued March 20 at 5:52PM HST until March 20 at 7:30PM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 3:52 AM UTC •fetched Mar 21, 2026, 3:53 AM UTC

Update 7 4h ago

Flash Flood Warning issued March 20 at 5:47PM HST until March 20 at 9:00PM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 3:47 AM UTC •fetched Mar 21, 2026, 3:48 AM UTC

Update 8 4h ago

Flood Advisory issued March 20 at 5:22PM HST until March 20 at 5:30PM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 3:22 AM UTC •fetched Mar 21, 2026, 3:22 AM UTC

Update 9 5h ago

Flood Watch issued March 20 at 5:12PM HST until March 22 at 6:00PM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 3:12 AM UTC •fetched Mar 21, 2026, 3:14 AM UTC

Update 10 5h ago

Flood Advisory issued March 20 at 5:07PM HST until March 20 at 5:15PM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 3:07 AM UTC •fetched Mar 21, 2026, 3:08 AM UTC

Update 11 5h ago

Flash Flood Warning issued March 20 at 4:46PM HST until March 20 at 8:00PM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 2:46 AM UTC •fetched Mar 21, 2026, 2:47 AM UTC

Update 12 5h ago

Flood Advisory issued March 20 at 4:19PM HST until March 20 at 5:30PM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 2:19 AM UTC •fetched Mar 21, 2026, 2:20 AM UTC

Update 13 6h ago

Flood Advisory issued March 20 at 4:07PM HST until March 20 at 7:30PM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 2:07 AM UTC •fetched Mar 21, 2026, 2:08 AM UTC

Update 14 6h ago

Flash Flood Warning issued March 20 at 3:51PM HST until March 20 at 6:00PM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 1:51 AM UTC •fetched Mar 21, 2026, 1:51 AM UTC

Update 15 6h ago

Winter Storm Watch issued March 20 at 3:41PM HST until March 22 at 6:00PM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 1:41 AM UTC •fetched Mar 21, 2026, 1:43 AM UTC

Update 16 7h ago

Flood Advisory issued March 20 at 2:27PM HST until March 20 at 5:30PM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 12:27 AM UTC •fetched Mar 21, 2026, 12:27 AM UTC

Update 17 8h ago

Flood Advisory issued March 20 at 2:03PM HST until March 20 at 5:15PM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 12:03 AM UTC •fetched Mar 21, 2026, 12:04 AM UTC

Update 18 8h ago

Flash Flood Warning issued March 20 at 1:31PM HST until March 20 at 5:00PM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 20, 2026, 11:31 PM UTC •fetched Mar 20, 2026, 11:32 PM UTC