Christopher Scott, a professor in Pennsylvania State University’s ecosystem science and management department, explained how recent severe weather events are connected to climate change.

Pennsylvania is expected to have 37 days of 90-degree temperatures in a year by mid-century, up from an average of 5.

On Saturday at 11:06 p.m. an updated flash flood warning was released by the National Weather Service in effect until Sunday at 2 a.m. for Washington County.

On Sunday at 4:35 a.m. an updated heat advisory was released by the National Weather Service valid from Monday 11 a.m. until ...

Dangerously hot temperatures and high humidity grip eastern Nebraska and western Iowa to end the weekend and start the week.

Sunday is bringing sweltering conditions to much of eastern Virginia and northeastern North Carolina, with an Extreme Heat Warning in effect for Hampton Roads and surrounding areas, and a Heat ...