A flash flood warning was issued Sunday night for San Bernardino County and parts of eastern Los Angeles County as storms brought heavy rain across the region, the National Weather Service said.
In LA County, areas where flash flooding is expected include San Dimas, Glendora, Pomona, La Verne and Claremont, the alert said. The warning is in effect until 9 p.m
In San Bernardino County, where the warning is in effect until 9:45 p.m., affected areas are San Bernardino, Rialto, Highland, Muscoy, Crestline, Devore and the I-15 Freeway through Cajon Pass.
Between 0.75 and 1.25 inches have fallen in San Bernardino County and officials are expecting another 0.75 to 1 inch.
Most flood fatalities occur in vehicles. People in affected areas are advised to exercise caution near streams, streams, highways, roads, underpasses and other poorly drained and low-lying areas.
https://www.latimes.com/california/story/2022-09-11/flash-flood-warning-issued-for-san-bernardino-county-parts-of-l-a-county Flash flood warning issued for San Bernardino, L.A. counties