Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

* WHAT...Urban and small stream flooding caused by excessive rainfall is expected. * WHERE...A portion of Southwest California, including the following counties, Riverside and San Bernardino. * WHEN...Until 909 PM PDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 709 PM PDT, Doppler radar indicated heavy rain due to thunderstorms. This will cause urban and small stream flooding. Between 0.25 and 0.5 inches of rain have fallen. - Additional rainfall amounts up to 0.25 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Riverside, Fontana, Ontario, Corona, Rancho Cucamonga, Perris, Norco, Pedley, Rubidoux and Woodcrest. - https://www.weather.gov/safety/flood