First Snow & Freeze of Season Coming to Parts of Pennsylvania

First Snow & Freeze of Season Coming to Parts of Pennsylvania

The growing season will come to a close in many areas this week, as widespread freezing temperatures will occur Tuesday morning. Wednesday morning and Thursday morning will also be very cold. Below are lows for Tuesday morning.

The more exciting aspect of this deep cold front will be first snow for much of Western PA. First flakes will occur Monday Night in the form of lake effect snow showers. Here is future radar for 5:00 AM Tuesday.

Flurries are then expected across the western half of PA Tuesday, before heavier snow showers are again possible late Tuesday evening and early Wednesday morning. Below is future radar for 1:00 AM Wednesday.

Since the snow will be falling at night, a coating is possible in all of Western Pennsylvania. In the lake effect snowbelts of Erie, Crawford, and Warren County, 1-3″ of snow is expected. Below is a look at totals through Wednesday.

Colder than normal temperatures will continue through Friday before we enjoy a nice stretch of warmer temperatures until Halloween.

Don’t forget to share this article with someone who may be interested in the first snow of the season!

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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