Officials say air pollution levels will be unhealthy for sensitive groups, including children and the elderly, on Tuesday.

The Massachusetts Department of Environmental Protection has issued an air quality alert across much of the state, due to high ozone levels. The alert will be in effect from 11 a.m. to 11 p.m. Monday, ...

In the Southwest, cities including Las Vegas and Phoenix are under extreme heat warnings, with temperatures expected to climb ...

The heat is back on! Between the stifling high temperatures and increased humidity, it will feel like it’s reaching the upper 90s throughout New England. High pressure and a southerly flow of air will ...

A fourth heat wave of the summer is in the forecast as temperatures surge into the 90s across New Hampshire this week.

A former Pinkerton Academy security guard has been charged with stalking and sexually assaulting a student, school officials said.

Due to the extreme heat and humidity expected, the NWS has issued a hazardous weather outlook for the entire state, as well as a heat advisory for southeastern New Hampshire. Specifically, areas under ...

Concord eclipsed 90 again on Monday, meaning the capital city now has had two more 90-degree days than all of last year.

U.S. stocks are drifting near their record heights as Wall Street waits for an upcoming update on inflation. The S&P 500 fell ...

An explosion at a U.S. Steel plant near Pittsburgh left one dead and dozens injured or trapped under the rubble Monday, with emergency workers on site trying to rescue victims, officials said.