A potential weekend storm could blanket parts of the Mid-Atlantic and Northeast with several inches of snow, just when many believed winter was winding down. Meteorologists are closely watching the models, with outcomes ranging from significant snowfall to a near miss.

Denver faced dangerous subzero temperatures Wednesday, breaking a record for the coldest Feb. 19 in the city’s history as thermometers dipped to minus 7 degrees. The bitter cold is expected to continue, marking nearly 115 consecutive hours below freezing.