Flash Flood Warning until 06:30PM Monday 
The National Weather Service in Phoenix has issued a
* Flash Flood Warning for... Riverside County in southern California...
* Until 630 PM PDT.
* At 233 PM PDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 0.5 and 1.5 inches of rain have fallen. Additional rainfall amounts of 0.5 to 1.5 inches are possible in the warned area. 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... Chiriaco Summit and Cottonwood Visitor. This includes the following highways... CA Interstate 10 between mile markers 74 and 83.
* AFFECTED AREAS: RIVERSIDE, CA
Instructions:
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. 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.
Address/Location
City of Banning CA
99 E Ramsey St
Banning, CA 92220
Contact
Emergency: 9-1-1
Non-emergencies: 951-922-3100