Parts of Georgia and Carolinas are digging out from a winter storm on Saturday after it produced heavy snow, freezing rain and ice across the region, knocking out power to hundreds of thousands of customers.

Atlanta is bracing for freezing conditions and icy roads as temperatures drop and wintry weather continues to affect the region. Here’s a simplified breakdown of what you need to know:

An already active winter is about to shift into overdrive as a trio of storms over the weekend and into next week deliver snow to the Midwest, East and possibly as far south as the Gulf Coast.