The weather forecast is looking promising for warmer weather as the calendar turns to March. In the East, a dramatic warm-up is in the forecast, and the Climate Prediction Center's outlook for March 6 ...

Add Yahoo as a preferred source to see more of our stories on Google. Ohio and the Great Lakes are bracing for another cold shot later this month — down to single digits in places — as a polar vortex ...

The Great Lakes and Northeast are bracing for another cold shot later this month — down to single digits in places — as a polar vortex split in the stratosphere nudges frigid Arctic air southward.

The polar vortex is a massive system of freezing air contained by powerful jet streams circling the poles. When this “wall” ...