A major pattern shift is underway across the United States, with the West Coast experiencing a return to active weather and the East Coast catching a break from the extreme cold. But the weather across the country remains active, from snow in the Sierra Nevada to a storm in the Bering Sea, to a clipper affecting New England, to another system poised to impact the Southeast and Mid-Atlantic this weekend into early next week. | NOAA NWS Weather Prediction Center

Conditions are coming together for a major winter storm to impact the eastern half of the United States late this week into this weekend, bringing extreme cold, snow, sleet, and freezing rain across a large swath of the country. | NOAA NWS Weather Prediction Center