National Weather Service officials are expecting snow to continue throughout Friday with daytime accumulation of at least an inch. Officials said snowfall will continue all across northern Illinois and northwest Indiana until about 5 p.

Accumulating snow will impact Chicago and surrounding areas Thursday night through Friday morning. Snowfall accumulations generally will be around 1 to 2" in Chicago once the snow ends late Friday morning.

Another quick round of snow will be possible early Friday, possibly impacting the Friday morning commute. Most of the snow showers will taper off by midday, but then lake effect snow will likely develop, impacting locations along the lake from Chicago southward, and then into NW Indiana.