Severe · Flash Flood WarningThis alert has expired. It is kept for reference.
Flash Flood Warning issued September 24 at 2:33PM PDT until September 24
Affecting Riverside, CA
In effect until: Sep 24, 2026, 11:30 PM
Riverside, CA
Likely impact in Riverside, CA; effects through 11:30 PM.
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.
Read the original bulletin (official text)
FFWSGX The National Weather Service in San Diego has issued a * Flash Flood Warning for... Riverside County in southern California... * Until 430 PM PDT. * At 233 PM PDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. The expected rainfall rate is 1.25 to 1.75 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... Hwy 74 Between Anza And Palm Desert and Hwy 74 Between Mountain Center And Anza.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™