Posted inWinter Weather

FINAL Call Snowfall Forecast for Lake Effect Snow Event Sunday Evening – Monday Morning

Posted by By
FINAL Call Snowfall Forecast for Lake Effect Snow Event Sunday Evening – Monday Morning

Widespread lake effect snow showers are expected to begin shortly in much of western PA, and continue through Monday morning. Temperatures are currently in the process of dropping as the cold front moves through, and everything will soon change from rain to snow in the western half of the state. Heavy snow squalls will begin around or just after dinnertime, with the height of the event coming early Monday morning. Wind gusts of 40mph will be possible in strong snow bands, leading to near-zero visibility.

SNOW TIMING

As mentioned, snow squalls will setup shop across parts of western PA this evening. Snow will become more widespread as the evening progresses. Below is future radar for 9:00 PM Sunday.




There will be some breaks in the snow, so don’t expect continuous heavy snow except if you’re in a snowbelt. As we head into early Monday morning, widespread snow squalls will persist and continue to move southeast off Lake Erie. Here is future radar for 2:00 AM Monday.

Snow will become much more isolated by dawn, and by 7:00 AM Monday we expect just a few remaining lake effect snow streamers as shown below.




FINAL CALL LAKE EFFECT SNOWFALL FORECAST FOR SUNDAY PM – MONDAY AM

Area A: This region will most frequently see intense lake effect snow bands from Sunday evening into Monday morning. Extremely low visibility likely in snow squalls, slowly reduce speeds if caught driving in one. Snowfall accumulations of 4 – 7″ expected, locally up to 9″ possible.

Area B: Frequent light to moderate snow is expected Sunday evening through sunrise Monday, with a few breaks possible as usual with lake effect. Scattered heavy snow bands are expected. Snowfall accumulation of 2 – 4″ anticipated, locally up to 5″ possible.

Area C: Scattered light to moderate snow is likely Sunday evening through sunrise Monday. Snowfall accumulation of 1 – 2″ expected, locally up to 3″ possible.

Area D: Isolated snow showers possible Sunday evening into Monday morning. Scattered snowfall accumulation of a coating to 1″ expected. Some locations may see nothing, as the snow will not be widespread.

Don’t forget to share this forecast with family and friends in impacted areas using the blue button below!

Get the Weather Action app free by tapping on your platform!

Josh Adams is the founder and lead forecaster of Pennsylvania Weather Action, a regional forecasting site he launched in 2015. With over a decade of experience analyzing weather patterns across Pennsylvania, his forecasts have reached millions of readers throughout the state. Josh specializes in Pennsylvania’s complex microclimates and terrain-driven weather patterns, providing detailed coverage of severe thunderstorms, winter storms, and flooding events. His forecasting focuses on delivering precise, timely information to help Pennsylvanians stay informed and prepared during impactful weather. Last Updated: March 10, 2026
View All Posts