The National Weather Service issued an ice storm warning​ for parts of the area and winter weather advisories for other areas in western Pennsylvania.

An active weather pattern is delivering back-to-back winter storms through the weekend. Here's what to expect.

Heavy snow, sleet and freezing rain are likely for some regions, as forecasters say “significant” ice accumulation could impact travel.

The National Weather Service issued an updated winter weather advisory at 6:49 a.m. on Thursday in effect until 10 a.m. for Lawrence, Beaver, Allegheny, Washington and Westmoreland counties.

The National Weather Service has issued a Winter Weather Advisory for Pittsburgh and most of Western Pennsylvania from 7 p.m. Wednesday until 4 a.m. Thursday. An ice storm is expected to bring an accumulation from a glaze to a tenth of an inch.

The National Weather Service in Pittsburgh says a widespread winter storm could drop ice and freezing rain across eastern Ohio late Wednesday.