Flash Flood Warning until 08:30PM Thursday 
The National Weather Service in Phoenix has issued a
* Flash Flood Warning for... Riverside County in southern California...
* Until 830 PM PDT.
* At 425 PM PDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1.5 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses.
* Some locations that will experience flash flooding include... Cottonwood Visitor.
* AFFECTED AREAS: RIVERSIDE, CA
Instructions:
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Flooding is occurring or is imminent. It is important to know where you are relative to streams, rivers, or creeks which can become killers in heavy rains. Campers and hikers should avoid streams or creeks.
Address/Location
City of Banning CA
99 E Ramsey St
Banning, CA 92220
Contact
Emergency: 9-1-1
Non-emergencies: 951-922-3100