Snow Forecast Pennsylvania 2024 Snow Forecast. Snowchance calculates the likelihood of a winter storm entering a region on a specific day. Yes, there will be plenty of snow—however, precipitation and snowfall will be slightly below normal (1 to 1.5% below average).

Snowchance calculates the likelihood of a winter storm entering a region on a specific day. Chance, either low or high, is not a direct prediction of rain, snow, or sleet.