South-central Pennsylvania is bracing for another round of winter weather, with snow expected to develop overnight and continue into Sunday. A Winter Weather Advisory is in effect for Lancaster and York counties from 3 a.m. to 3 p.m. Sunday.
Impacts and Timing
Meteorologist Ryan Argenti reports that snow will begin to move into western counties after 1:00 a.m., progressing eastward by 3:00 a.m. Sunday. Light to moderate snowfall is anticipated throughout Sunday morning, tapering off by early afternoon in eastern Lancaster County.
Total snowfall accumulation is expected to range from a coating to three inches, with Lancaster and York counties potentially receiving the highest amounts. Road conditions will likely be snow-covered and slippery overnight through Sunday morning, improving as temperatures rise and the snow ends.
Frigid Temperatures Ahead
Beyond the immediate snowfall, a significant drop in temperatures is forecast. An arctic front is expected to move through the Susquehanna Valley late Monday, leading to temperatures near 10 degrees Monday night. Tuesday morning will bring sub-zero wind chills, making it the coldest day of the week, with highs barely reaching the low 20s.
While winds are expected to relax by Tuesday evening, chilly temperatures will persist through Friday, with highs ranging from 32 to 38 degrees. Additional snow showers are possible Thursday as another cold front moves through the region. Looking ahead, scattered snow showers are forecast for Saturday through Monday.
Frequently Asked Questions
What counties are under a Winter Weather Advisory?
A Winter Weather Advisory has been issued for Lancaster and York counties from 3 a.m. Sunday until 3 p.m. Sunday.
When is the snow expected to begin?
Snow is expected to develop in western counties after 1:00 a.m. and move eastward by 3:00 a.m. Sunday.
How cold will it get on Tuesday?
Tuesday’s highs will barely reach the low 20s, with sub-zero wind chills expected in the morning.
How will you prepare for the changing weather conditions in your community?
