Widespread light snow will taper off early Sunday morning.A bitter blast of arctic air will sweep in behind the snow for Sunday and Monday.Light snow ends overnight Snow showers will taper off after midnight, with 3-5 inches of snow expected areawide. South of I-70, there could be localized higher totals in more persistent bands. A Winter Storm Warning has been issued for Allegheny, Washington, Greene, Fayette, Westmoreland, Monongalia, Preston, and Garrett counties.A Winter Weather Advisory has been issued for Armstrong, Beaver, Butler, Clarion, Forest, Indiana, Lawrence, Venango, and parts of Garrett counties.The weather alerts continue through 1 pm Sunday.Severe Weather Alert Day Sunday AM: Bitter ColdThe coldest air so far this season is here on Sunday. We will start in the low teens. Wind chills will drop near zero Sunday morning.Temperatures only warm to about 20 degrees through the day, as wind chills stay in the low teens the afternoon. Sunday will feature lots of clouds and a few isolated flurries, especially in the favored areas near I-80 and the Laurel Highlands, but no additional accumulation is expected.Impact Day Monday: Cold ContinuesThe cold continues on Monday with morning temperatures in the mid teens and afternoon temps in the low 20s. Wind chills will start the day in the single digits.Mostly cloudy skies are expected through the day. Kickoff for the Steelers and Dolphins on Monday Night Football will have a temperature around 18 degrees.We will finally break the arctic blast Tuesday as highs warm into the low 30s. Temperatures will reach 50 for the first time this month on Thursday with rain showers.TONIGHT: Light snow ends late, cold. Low 11°SUNDAY – Severe Weather Alert Day: Bitter cold. Isolated Flurries. High 20°, low: 15°.MONDAY – Impact Day: Mostly cloudy.寒い。 High: 22°, low: 15°.

MONDAY – Impact Day: Mostly cloudy.寒い。 High: 22°, low: 15°.