Winter Storm Warning has been Issued for the mountains of San Bernardino and Riverside counties.

The National Weather Service issued a winter storm warning for San Bernardino and Riverside counties on Saturday.

The NWS issued a warning for Crestline, Lake Arrowhead, Big Bear City, Big Bear Lake, Running Springs, Wrightwood, and Idyllwild-Pine Cove. It will remain in effect for both counties until Tuesday morning, when it will expire at 7 a.m. in San Bernardino County and 10 a.m. in Riverside County.

Heavy snow is expected in both counties.



Snow totals in San Bernardino County are expected to range from 1 to 3 inches above 3,000 and 4,000 feet, 3 to 7 inches between 4,000 and 6,000 feet, and 7 to 10 inches between 6,000 and 7,000 feet. Above 7,000 feet, up to a foot of snow is possible.


1 to 4 inches are expected between 3,500 and 4,500 feet in Riverside County, 4 to 7 inches between 4,500 and 5,500 feet, and 7 to 12 inches above 6,000 feet.

Winds will be between 30 and 50 mph in both counties, with gusts up to 60 mph expected "at the windiest desert slope locations," according to the NWS.

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