Weather Authority: Winter Weather Advisory issued ahead of wintry mix Sunday

A cloudy Saturday night with a low of 32, as a wintery mix begins across the Delaware Valley as early as 3 a.m. Sunday.

A Winter Storm Watch has been issued for Carbon and Monroe Counties beginning 4 a.m. Sunday and continuing to 1 a.m Tuesday. A Winter Weather Advisory has been issued for Montgomery, Chester, Delaware, Philadelphia, Berks, Lehigh and Lancaster Counties in Pennsylvania and Mercer County in New Jersey. Advisories for the the southern areas begin 3 a.m. Sunday and expire Sunday at 1 p.m. Advisories for the more northern counties begin Sunday at 4 a.m. and expire Tuesday at 1 a.m.

Total snow up to one inch is forecasted for Philadelphia and the surrounding counties. A light ice glaze to a few hundreths of an inch of ice is possible, causing travel headaches.

Counties within the Winter Weather Advisory should expect slick conditions.

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Sunday: Wintry mix, snow. High: 47 Low: 32

Monday: Rain to snow. High: 45 Low: 37

Tuesday: Partly sunny. High: 43 Low: 31

Wednesday: Slight chance of showers or flurries. High: 46 Low: 33

Thursday: Partly cloudy. High:46 Low: 34