Flood Advisory — Riverside County, California
Minor flooding is expected — not severe enough for a warning, but potentially inconvenient or hazardous for travel.
Current Status
🌊 Active: Flood Advisory
Flood Advisory issued August 11 at 2:23PM PDT until August 11 at 4:00PM PDT by NWS San Diego CA
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...South Central Riverside County in southern California... North Central San Diego County in southwestern California... * WHEN...Until 400 PM PDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rockslides and Mudslides are possible. * ADDITIONAL DETAILS... - At 223 PM PDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. - Some locations that will experience flooding include... Southeastern Anza, Hwy 79 Between Warner Springs And Oak Grove, Warner Springs, Hwy 74 Between Anza And Palm Desert and Cahuilla Indian Reservation. - https://www.weather.gov/safety/flood
Effective August 11, 2026 at 5:23 PM ET · Expires August 11, 2026 at 7:00 PM ET
Event Details
Event Type
Flood Advisory
Severity
minor
Issued By
NWS San Diego CA
Expires
August 11, 2026 at 7:00 PM ET
Last Checked
58 minutes ago
What To Do
📋 Official NWS Guidance
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route.
Other Active Alerts in California
Severe Thunderstorm Warning
Flood Advisory
Flood Advisory
Flood Advisory
Flood Advisory
Flash Flood Warning
Get Flood Advisory Alerts for Riverside County
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Frequently Asked Questions
What does a Flood Advisory mean for Riverside County, California?
Minor flooding is expected — not severe enough for a warning, but potentially inconvenient or hazardous for travel.
Is this Flood Advisory currently active?
Yes — this alert is active as of our last check (58 minutes ago). It's set to expire August 11, 2026 at 7:00 PM ET.
How do I get notified about Flood Advisory alerts for Riverside County?
Download StormCast free on Google Play and set Riverside County, California 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.