Here’s Why You’re Seeing ‘Wild Swings’ From Freezing to Really Warm Weather This Week

After shivering through bitterly cold temperatures thanks to Winter Storm Grayson, large portions of the country will experience a serious January thaw late this week. In Boston, New York City, Philadelphia and Baltimore, for example, temperatures on Friday are projected to top 50 degrees — and in Washington, D.C., and Richmond, Va., they’re expected to surpass a balmy 60 degrees. Read more