California Minor Flood Advisory | Effective 10/11/2026 05:53

Headline: 
Flood Advisory issued October 11 at 5:53AM PDT until October 11 at 8:00AM PDT by NWS San Diego CA
Event: 
Flood Advisory
Urgency: 
Expected
Effective: 
October 11, 2026 - 5:53am
Expires: 
October 11, 2026 - 8:00am
Description: 
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Riverside County in southern California... San Bernardino County in southern California... * WHEN...Until 800 AM PDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. * ADDITIONAL DETAILS... - At 553 AM PDT, Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Up to 0.5 inches of rain have fallen. - Additional rainfall amounts up to 0.5 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Riverside, San Bernardino, Fontana, Moreno Valley, Corona, Rialto, Chino, Redlands and Lake Elsinore. - https://www.weather.gov/safety/flood
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.
Area Description: 
Riverside, CA; San Bernardino, CA
Forcast Office: 
NWS San Diego CA
Sender: 
w-nws.webmaster@noaa.gov