YORK — York, Chester and Lancaster counties could see a light coating of ice from freezing rain Friday, forecasters say.

The National Weather Service has issued a winter weather advisory effective Friday for areas of South Carolina north and west of a line from Anderson to Chester to Cheraw.

Forecasters say freezing rain should start in the northwest part of the state around daybreak and spread east. A light coating of ice is expected along the Interstate 85 corridor, with light snow and freezing rain expected to the east.

The state Department of Transportation was putting salt brine on bridges Thursday to try to keep them from freezing over.

The agency also has activated its website for road conditions at www.scdot.org/winterweather.

All local schools are dismissing early because of the weather, officials said Friday morning.

The Weather Service forecast for Rock Hill calls for an 80 percent chance of rain, freezing rain and sleet before 2 p.m. Friday, followed by rain or freezing rain.

High temperatures Friday won’t get much above freezing.

Little or no ice or accumulation is expected.

Friday night, rain or freezing rain is likely before 10, followed by a slight chance of freezing rain between 10 and 11 p.m.

The overnight low should be around 28.

Saturday should be mostly sunny, with a high near 47, followed by a cold Saturday night, with a low around 24.

Visit heraldonline.com throughout the day Friday for updates on winter weather.