Overview
- Somerset County is under a National Weather Service winter storm warning from 4 p.m. Wednesday to 10 a.m. Thursday, with more than 6 inches possible in higher elevations.
- Western Pennsylvania faces broader winter weather advisories through Thursday morning, with localized warnings in higher terrain including the Laurel Highlands.
- Squalls and the front are forecast to sweep northwest to southeast, reaching northwest Pennsylvania around 6–8 p.m., the I‑99 corridor 10 p.m.–midnight, and the Lower Susquehanna around midnight–2 a.m.
- Western and elevated areas could see 2–6+ inches, while much of the Susquehanna Valley is expected to get only a quick coating to about a half‑inch.
- After the front passes early Thursday, temperatures tumble into the single digits in northern areas with subzero wind chills and lingering gusty winds.