Overview
- The surge arrives as early as Friday evening, with the coldest conditions Saturday night into Sunday and lingering into early next week.
- NWS offices have posted freeze and frost alerts into inland southeast Georgia and north Florida, with the Deep South turning sharply colder after a brief warm spell.
- Forecasts call for dangerous wind chills from the Upper Midwest to the Great Lakes and Northeast, dipping to -15 to -25 in parts of Chicagoland on Sunday morning.
- Fast-moving clippers and lake-effect bands will bring occasional light snow with a dusting to about an inch in spots, creating slick travel at times.
- Blustery northwest winds around 15–25 mph with gusts near 35–40 mph will keep feels-like readings much lower, before a gradual warmup returns by midweek.