The winter weather advisory runs until 1 a.m. Saturday for southwest Lower Michigan. This again doesn’t mean the snow will end at that time. You could look for an extension of the advisory into Saturday morning.

A wide-reaching winter storm will bring significant impacts to more than a dozen states from Saturday through Monday. These maps and graphics show what you need to know about the storm.

As a deep winter chill begins to take over the northern half of the country, a new major winter storm will move across the U.S. this weekend into early next week.