Pa Winter Weather Forecast For 2024 Schedule. We expect times of troughing and below average temperatures, followed by breaks where a system comes through and is rain or a mixed bag, followed by cold air and lake effect. This information is provided when we issue a warning or advisory for expected snow or ice accumulation;

(nexstar) — depending on where you live in the u.s., this winter could bring a mix of snow and rain or an unseasonably warm start. The purpose of these experimental probabilistic snowfall products is to provide customers and partners a range of snowfall possibilities, in complement to existing nws deterministic.