The National Weather Service issued a flash flood warning for parts of San Bernardino County on Sunday.

According to the National Weather Service, the warning remains in effect until 5:45 p.m. due to thunderstorms in the area.

According to the NWS, flash flooding is expected in some areas, including Wrightwood, Highway 2 between Phelan and Wrightwood, and Highway 138 between I-15 and Highway 2.

Forecasters said between 1 and 1.5 inches of rain had fallen, with rainfall expected to be between 0.75 and 1.25 inches per hour. Extreme caution was advised.