Notice Nearby: Orange County Ended, National Weather Service

Local brief

Ended: Flash Flood Warning for Orange County, CA (ran until 7 a.m. PDT Sunday, Oct. 11)

The National Weather Service Flash Flood Warning for Orange County ended at 7 a.m. PDT Sunday, Oct. 11. Check weather.gov for any new alerts.

Ended: This Flash Flood Warning ended at 7 a.m. PDT Sunday, Oct. 11, and the National Weather Service no longer lists it as of 8:34 a.m. PDT Sunday, Oct. 11. Check weather.gov for any new alerts. Water can stay on roads and in washes after a warning ends, so still do not drive into floodwater.

What happened: Heavy rain fell on the hills and canyons of south Orange County, where water runs off fast into creeks, streets and underpasses. The National Weather Service office in San Diego warned that flash flooding was happening or about to start. Up to 1 inch of rain fell.

Where: The warning covers southeastern Orange County. Places NWS named include San Clemente, Dana Point, Laguna Niguel, Rancho Santa Margarita, San Juan Capistrano, Las Flores, Ortega Highway and Coto De Caza.

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Until when: The warning ran until 7 a.m. PDT Sunday, Oct. 11 and has ended.

What to do: Turn around, don't drown. Never drive or walk into floodwater. Six inches of moving water can knock you down, and one to two feet can carry away a car. Stay away from creeks, streams, washes, rivers and low roads. Do not drive around barricades. If water starts rising near you, go to higher ground right away. Flooded roads are hard to see in the dark.

Stay informed: Check https://www.weather.gov/sgx/ for the latest from the National Weather Service, and follow Cal OES (https://www.caloes.ca.gov) and your county Office of Emergency Services. Turn on emergency alerts on your phone and keep it charged.

Find shelters and supplies: https://zost.app/pages/ca/orange

Sources: National Weather Service San Diego Flash Flood Warning via api.weather.gov (https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.cf0b31dc1f2ca252968ea28f650f6f25e084cc0e.001.1). Updated 6:34 a.m. PDT Sunday, Oct. 11. Notice Nearby wrote this brief in its own words. More Orange County notices: https://noticenearby.com/ca/orange

Source: the public notice on this register NN-ENV-ca-orange-flash-flood-warning-2026-10-11 · National Weather Service San Diego Flash Flood Warning.

This is a Notice Nearby local brief — an in-house explainer written from a government-posted notice on this register. It is not official minutes, not a newspaper story, and not Legal Publication.