Understanding the increase in ice storms across the United States is essential for weather enthusiasts and residents alike.

As temperatures surge into the 60s on Sunday, a heavy rainstorm will move in, unloading downpours and ramping up winds.

After highs in the 60s Monday for the first time since early December, Tuesday will be at least as warm. The South Coast, Cape and Islands will be the coolest thanks to a southerly breeze. In fact, it ...