Notice the colder air building for Sunday in the western Upper Peninsula. This will be the Arctic cold that invades lower Michigan Sunday night and Monday. It looks like the weekend won’t have terrible road conditions, but also not perfectly dry road conditions. We can also consider this weekend “balmy” compared to what is coming next week.

The first system of the weekend arrives Friday night through early Saturday. This is on the leading edge of an arctic front, so it's still mild outside when the moisture first arrives. Later overnight, temperatures in the mountains drop into the 30s, which should bring a brief changeover into some wet bursts of snow.

A dramatic shift in the weather pattern will bring dangerously cold temperatures to the Lowcountry on Friday, followed by the possibility of winter weather moving in by Sunday.

Southern Wisconsin slides into a cold but calmer stretch today. The wind backs off compared to earlier this week, but the cold sticks around.

Forecasters say Sunday's coastal storm will likely move too far offshore to bring significant snow to the Garden State, but some light snow may fall.

Thursday is bright but cold, with temperatures stuck in the 20s across the Chicago area. Snow chances return this evening and continue into Friday. A couple of inches of accumulation are possible overnight into tomorrow, which could lead to slick roads, so drive carefully during the morning commute.

An Arctic front moving through Michigan now is triggering significant lake-effect snow, with the most intense accumulations expected in highly localized areas. The southwest corner of the state, particularly from South Haven and Benton Harbor down to South Bend,