Pennsylvania — Steel-gray skies hang over western Pennsylvania this morning as bitter cold tightens its grip. The air stings exposed skin, and what looks quiet now sets up a fast-changing winter pattern that could snarl travel by Friday.
According to the National Weather Service in Pittsburgh, hazardous weather is not expected today, but conditions deteriorate quickly beginning Friday. A passing clipper system brings accumulating snow, followed by a sharp arctic front. Snow spreads into the region during the day Friday and intensifies into Friday night.
Snow totals of 1 to 2 inches are possible across Pittsburgh, with additional light accumulation Friday night. Roads including I-79, I-376, and Route 28 could turn slick during the afternoon and evening commute. Snow squalls may briefly reduce visibility, especially as winds increase behind the front.
Temperatures hover near freezing during the snow, then fall rapidly Friday night. By Saturday morning, wind chills plunge to between 10 and 20 degrees below zero. Gusty northwest winds make conditions dangerous for anyone outdoors, even for short periods.
Saturday stays brutally cold despite some sunshine. Highs struggle to reach the mid-teens, and flurries may linger early. Any snow that melts during daylight will refreeze quickly after sunset, raising the risk of black ice across untreated roads and sidewalks.
Sunday brings some relief but remains cold. Highs reach the low 20s under partly sunny skies. Conditions slowly improve early next week, with highs climbing into the 30s Monday and low 40s by Tuesday.
Looking farther out, NOAA’s 6–10 day outlook favors above-normal temperatures across the region by mid to late next week, signaling a gradual February thaw after this arctic blast.
Plan extra travel time Friday, limit outdoor exposure this weekend, and prepare for dangerous cold. How cold did it feel where you live this morning?
Five-Day Weather Outlook for Pittsburgh, PA
- Friday: Snow developing, high near 32°
- Saturday: Very cold, chance of flurries, high near 14°
- Sunday: Partly sunny and cold, high near 21°
- Monday: Mostly cloudy, improving, high near 34°
- Tuesday: Mostly sunny and milder, high near 41°



