Severe · Flash Flood WarningThis alert has expired. It is kept for reference.
Flash Flood Warning issued September 24 at 3:15PM PDT until September 24
Affecting San Bernardino, CA
In effect until: Sep 25, 2026, 1:15 AM
San Bernardino, CA
Likely impact in San Bernardino, CA; effects through 1:15 AM.
Get to higher ground now. Never drive through flooded roads.
Read the original bulletin (official text)
FFWVEF The National Weather Service in Las Vegas has issued a * Flash Flood Warning for... San Bernardino County in southern California... * Until 615 PM PDT. * At 315 PM PDT, emergency management reported thunderstorms producing heavy rain across the warned area. Between 0.75 and 1.25 inches of rain have fallen. Additional rainfall amounts of 0.75 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...Emergency management reported. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Twentynine Palms and Twentynine Palms Base.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™