The door is open for arctic air to continue to invade the U.S. through the weekend and into next week. Even the South will get in on the action with lows dropping into the 20s and 30s by Friday morning along the Gulf Coast and Florida peninsula.
Breakdown
- Cold air moves east, affecting Boston to Maine
- Duluth wind chills reach 24 below; low 20s along eastern seaboard 15s
- Chicago and Boston face subzero wind chills; cold extends to Florida 22s
- Miami drops to 44°F, with brief warmup before cooling again 35s
- New Orleans at 38°F, Miami at 48°F by Monday morning 40s