Winter Weather in Jefferson, Pennsylvania

Winter Weather March 17, 2026 · Jefferson, Pennsylvania

What the National Weather Service wrote

PennDOT camera on I-80 at Brookville showed less than a quarter mile visibility with a rapid accumulation on roadways in a snow squall.

The wider storm

Ahead of an arctic cold front arriving from the northwest, heavy snow showers and embedded snow squalls developed across western Pennsylvania. Low level lapse rates up to 7.5 C/km, a saturated DGZ, and a pressure fall/rise couplet supported convective snow showers dropping visibility to near zero and putting a quick accumulation on area roadways including major interstates.

Source: NOAA Storm Events Database, event 1323260. Narratives are written by the National Weather Service forecast office that issued the report.

Tornadoes near your address

See every tornado that passed near a place you know, measured to its path.