The National Weather Service recorded about an inch of snow at its Seattle office from the overnight precipitation, with another chance for showers before 10 a.m.

Cold air and icy conditions lingered early Thursday in the Greater Pittsburgh area, triggering meteorologists to extend a winter weather advisory three additional hours — through 10 a.m. Temperatures could reach the upper 40s Thursday but hovered early in the morning around freezing through much of the region.

Drier and sunnier conditions return to western Washington on Thursday afternoon, but frigid temperatures overnight could complicate the Friday morning commute.

We should dry out by the second half of the morning commute, with sunshine on tap for the second half of the day. Temperatures will warm again to the mid 30s, which should help melt any snow or ice on the main roads by midday.

A round of snow that's lingering into Thursday morning is making the morning commute complicated for drivers.p