On Saturday at 4:31 p.m. the National Weather Service issued an updated winter weather advisory valid from 7 p.m. until Sunday 7 a.m. for Berks, Lehigh and Northampton counties.

The weather service states to prepare for, "Total snow accumulations between 2 and 4 inches."

"Plan on slippery road conditions," says the weather service. "Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1."

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