The NWS forecasts that ground-level ozone and particulate concentrations will reach dangerous levels and even normally healthy people should exercise caution.

The stretch of hot and humid weather continues on Tuesday during what is shaping up to be the state's fourth heat wave of the year.

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

A moderate-to-strong heat dome persists as the hot and humid weather continues across New England. But the heat breaks later ...

Another sizzling stretch is expected in New Hampshire this week, with highs in the 90s likely. A heat advisory is in effect for portions of Strafford, Rockingham, and Hillsborough counties through ...