Overview
- An entrenched Arctic air mass is delivering dangerous cold across the Midwest and parts of the East, with temperatures 15 to 30 degrees below average and millions under alerts.
- The Weather Prediction Center expects the storm to organize Friday and move east through Sunday, producing widespread heavy snow, sleet and freezing rain.
- Snow totals are forecast to exceed a half foot in places from Oklahoma to the mid-Atlantic, with some areas potentially seeing higher amounts based on evolving guidance.
- Significant icing is possible on the storm’s southern side from northern and eastern Texas into the lower Mississippi Valley and parts of the Southeast, raising risks of power outages and hazardous travel.
- Exact placement of snow, sleet, freezing rain and rain remains uncertain, and local cold and wind advisories are already active in some areas, including South Florida.