Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season.

While forecasters can't yet say for sure, a warmer stretch of weather appears likely for much of the nation. Here's when to ...

A chance for lowland snow now arrives at earliest Monday night into Tuesday with high confidence that will likely change again before the weekend arrives.

The jet stream, or any wind, is the result of differences in surface temperature. In simple terms, warm air rises, creating low pressure, and cold air sinks, creating high pressure. Wind is the ...