After Snow, 'Freezing Fog,' Black Ice Thursday Morning

After a snowy Wednesday evening, Thursday morning will bring black ice and “freezing fog,” the National Weather Service said.

There’s “a chance of freezing drizzle” and “areas of freezing fog” before 8 a.m. Thursday, Jan. 22, the NWS said.

“Patchy freezing fog and freezing drizzle may develop late this evening and overnight,” the NWS said later Wednesday, “leading to black ice and slick spots on roadways.”

However, things should warm up during the day Thursday, with sunny skies and highs near 40. Temperatures will drop again Thursday night, with lows around 20.

Meanwhile, the National Weather Service is tracking a “significant coastal storm” heading our way, which it says will being a mix of rain and snow on Friday and Saturday.

Wednesday’s storm

Snow began early Wednesday afternoon, prompting many area school districts to cancel afternoon activities and dismiss school early.

Official snowfall totals Wednesday night from the National Weather Service were:

Chester County
Exton: 0.5 inches

Delaware County
Garnet Valley: 0.8 inches
Chadds Ford: 0.7 inches
Norwood: 0.2 inches

Montgomery County
Royersford: 0.3 inches

Philadelphia County
Philadelphia International Airport: 0.5 inches

A Winter Weather Advisory remains in effect for the region until 8 a.m. Thursday, Jan. 22.