While the air temperature tells us how cold the air actually is, wind chill explains why it can feel much colder on a windy day.

The concept dates back to the 1940s, when Antarctic explorers were trying to understand why exposed skin froze so quickly in harsh conditions.

Wind chills below zero were expected to persist across parts of the Northeast and New England on Monday but should finally ease, forecasters said.

Wind chills as low as 30 degrees below zero are in the forecast for parts of New England and the interior Northeast.

As of late, a very large portion of the continental U.S. is extremely cold. Wind chills have fluctuated from the teens to -20 ...

New York City has warmed above freezing for two consecutive days! And we’ll get back there today. OK, maybe don’t go that crazy, but enjoy the warm spell while it lasts — because the floor drops out ...

Freezing temperatures continue to affect the Lower Hudson Valley, with wind chills from 0 to 10 making temperatures in the ...

Strong winds can make it feel a lot colder than the thermometer suggests. Protect yourself by covering exposed skin and ...

While nearly 300 school districts across northeast Ohio remained closed because of bitter cold temperatures on Wednesday, some others chose to reopen after having been closed on Tuesday.

As wind speeds increase and temperatures plummet Thursday, meteorologists predict the wind chill will plunge across Ohio.

It might be hard to believe, but it's gotten warmer outside over the past few days. The temperature is creeping above zero ...

Erie's Paul Siple was a polar explorer and geographer who accompanied Richard Byrd to the Antarctic. Wind chill was first calculated by Siple in 1945.