Overview
- National Weather Service warnings target communities downwind of the Great Lakes, with Chicagoland and northwest Indiana under alerts for lake-effect snow into Monday.
- Localized totals could reach 18 inches in persistent bands near Lake Michigan and Lake Erie, with 4–8 inches possible in parts of the Chicago area and hazardous Monday commutes.
- Gusts commonly 20–35 mph will drive wind chills into the teens and single digits across the Great Lakes, while the Rocky Mountain Front may see 60–75 mph wind gusts.
- Freeze watches and warnings extend across the South, including a Monday night freeze watch for inland northeast Florida, with some inland lows in the 20s and the growing season ending in spots.
- Wet, heavy snow where leaves remain may bring tree damage and slick roads, but the cold snap is brief, with temperatures moderating by midweek to 40s–50s in the North and 70s in the South.