First Widespread Snowfall of Season Expected Sunday into Monday

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Our first widespread snow event of the season is likely Sunday into Monday across much of Pennsylvania. Models are beginning to align, raising our overall forecast confidence. There is the potential for significant snowfall in parts of the state.

Breakdown: A low pressure system will move through the Upper Great Lakes late this week. A cold front will be partnered with this system, sweeping through the region Saturday Evening into Sunday Morning. Precipitation will switch from rain to snow from west to east throughout Western and Central Pennsylvania. However, the majority of the anticipated snowfall will be lake effect as strong northwest winds blow heavy snow showers off Lake Erie.

Temperatures will drop 20-30 degrees Saturday Evening as a result of this cold front. Wind gusts over 30 MPH are also expected as the front passes through.


Area A – Significant snowfall accumulation possible. Snow will begin Saturday Night, continuing through the day on Sunday, lasting all the way until Monday Evening. Areas in strongest and most persistent lake effect snow bands may experience near white-out conditions and 6-12″ of snow.

Area B – Moderate snowfall accumulation possible. Snow will begin Saturday Night, lasting into Sunday before ending Monday Morning. Areas in strongest and most persistent lake effect snow bands may experience near white-out conditions and 3-6″ of snow.

Area C – Light snowfall accumulation possible. Snow will begin Saturday Night into Sunday Morning. It will be off-and-on through the day Sunday before wrapping up Sunday Night. About 1-3″ of snow is possible.

Area D – Snow showers possible Saturday Night into Sunday Afternoon, wrapping up by evening. Flurries to a scattered coating is possible.

Be sure to like Pennsylvania Weather Action on Facebook by clicking here for the latest updates on this event and the many more to come. Also remember to share this forecast using the icons below the map! Stay safe!


Hello, my name is Josh Adams. This year I am a junior in high school in South Central PA. I have had a passion for weather since I was five or six years old, watching the Weather Channel when the average kid my age was watching cartoons. At age 11, I discovered that there is a significant amount of weather info online from knowledgeable meteorologists to weather models and everything in between. I had the privilege to take part in a group that held informational weather discussions nearly everyday. I gained a significant amount of knowledge in several months back in 2012, constantly studying meteorology for hours each and just about every day. I created Northeast Weather Action in early 2013, just after the previous winter had ended. Things were pretty slow to start, however the winter of 2013-2014 greatly helped grow the page. Several of my forecasts verified nicely across the area. I met Chris during that winter in a facebook group, and we talked often about anticipated weather events. Just before the start of the 2014-2015 Winter, I added Chris to Northeast Weather Action (now Pennsylvania Weather Action), and once again we hit several key forecasts. Chris and I are looking forward to giving you the most up to date and reliable forecasts!

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