Active Weather Alerts
Flood Advisory
Issued: 9:24 PM Aug. 11, 2026 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 4 PM PDT THIS AFTERNOON... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...South Central Riverside County in southern California... North Central San Diego County in southwestern California... * WHEN...Until 400 PM PDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rockslides and Mudslides are possible. * ADDITIONAL DETAILS... - At 223 PM PDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. - Some locations that will experience flooding include... Southeastern Anza, Hwy 79 Between Warner Springs And Oak Grove, Warner Springs, Hwy 74 Between Anza And Palm Desert and Cahuilla Indian Reservation. - https://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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. &&
Flash Flood Warning
Issued: 9:13 PM Aug. 11, 2026 – National Weather Service
The National Weather Service in San Diego has issued a * Flash Flood Warning for... Small Portion of North Central San Diego County in southwestern California... * Until 515 PM PDT. * At 213 PM PDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. The expected rainfall rate is 1 to 2 inches in 1 hour. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Borrego Palm Canyon and Los Coyotes Indian Reservation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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. && FLASH FLOOD...RADAR INDICATED; FLASH FLOOD DAMAGE THREAT...CONSIDERABLE; EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR
Flood Advisory
Issued: 9:01 PM Aug. 11, 2026 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 4 PM PDT THIS AFTERNOON... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...North Central San Diego County in southwestern California... * WHEN...Until 400 PM PDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rockslides and Mudslides are possible. * ADDITIONAL DETAILS... - At 200 PM PDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. - Some locations that will experience flooding include... Borrego Palm Canyon and Los Coyotes Indian Reservation. - https://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. &&
Flash Flood Warning
Issued: 8:54 PM Aug. 11, 2026 – National Weather Service
The National Weather Service in San Diego has issued a * Flash Flood Warning for... Extreme Southeastern Riverside County in southern California... Extreme Northeastern San Diego County in southwestern California... * Until 400 PM PDT. * At 154 PM PDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. The expected rainfall rate is 1 to 2 inches in 1 hour. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Thermal and Santa Rosa Mountain. Flood waters can surge through normally dry washes, far away from ongoing thunderstorm activity. Be aware of rapidly rising waters even outside of heavy rain and thunderstorms. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && FLASH FLOOD...RADAR INDICATED; FLASH FLOOD DAMAGE THREAT...CONSIDERABLE; EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR
Flood Advisory
Issued: 8:21 PM Aug. 11, 2026 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 3 PM PDT THIS AFTERNOON... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Southwestern Riverside County in southern California... Northeastern San Diego County in southwestern California... * WHEN...Until 300 PM PDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rockslides and Mudslides are possible. * ADDITIONAL DETAILS... - At 120 PM PDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. - Some locations that will experience flooding include... Mainly rural areas of Southwestern Riverside and Northeastern San Diego Counties. - https://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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. &&
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