The National Weather Service in San Diego has issued a Flash Flood Warning for northern San Diego County until 3:45 p. m. E280A2 Life threatening flash flooding is ongoing or expected to begin shortly due to heavy rain. E280A2 Do not drive your vehicle through flooded roadways. E280A2 This storm may intensify, monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service. Some locations that will experience life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. Some locations that will experience flash flooding include: Hwy 79 Between Warner Springs And Oak Grove, Aguanga and Cahuilla Indian Reservation. More forecast information and updates are available from the National Weather Service at https://www. weather. gov/sgx/