Three-year partnership between iconic outdoor organizations includes new extreme-weather product line, an upcoming documentary about the research being done at the “Home of the World’s Worst ...

So far this winter, observers have seen below-average snowfall totals because of the rain in recent weeks and above-average temperatures.

When the record-breaking arctic blast came through the US on Friday, Mount Washington’s Observatory was getting the worst of it, with three people inside, witnessing it all.

The crew at the Mount Washington Observatory told News 9 that wind chills have dropped to nearly 50 degrees below zero almost every day.

The Mount Washington Observatory said anyone traveling to the White Mountains should prepare for winter-like weather conditions at elevations above 5,000 feet.

New Hampshire’s Mount Washington felt more like Mars than planet Earth on Friday as wind chills dipped below an unfathomable -110 degrees, a new record for the coldest wind chill ever recorded ...

The summit of Mount Washington in New Hampshire, the highest peak in the Northeast, recorded its first snow on Monday. Mount Washington Observatory ...

Dramatic footage released by the Mount Washington Observatory shows an unidentified snowboarder zooming down the slopes with an avalanche on his heels.

Last week, the observatory unveiled a project to expand the Mount Washington Regional Mesonet, a network of weather monitoring stations. There are 11 original stations in the network.

The Mount Washington Observatory Facebook page covers the convergence of weather patterns over the Northeast, including in Maine, because the White Mountains extend into the state.

And just days before the record-breaking cold, the 71-year-old had been on the summit at the Mount Washington Observatory, where he has served as a volunteer for decades.