The weather in Phoenix was often unpredictable, with an unexpected series of fall rainstorms and a sudden December heat wave.

A long stretch of humid heat followed by intense thunderstorms is a weather pattern historically seen mostly in and around the tropics. But climate ...

A heatwave is impacting the Northeast, with cities like Burlington and St. Johnsbury, Vermont, predicted to reach near 97 degrees on Tuesday, Aug. 12. Several cities in the Northeast broke daily ...

Will we hit a record high over the next few days? When will this heat wave finally break down? A stagnant region of high pressure is leading many to ask these questions. Though this system keeps our ...

Tuesday brought record-setting heat around parts of the Philadelphia area, and PHL recorded a 98-degree high temp, tying the record set in 2002, and we will likely do it again on Wednesday! But what ...

If record-setting warmth was on your holiday wishlist, Kansas City is about to deliver, with temperatures expected to ...

It may be hard to believe that we have not had a heat wave this summer. Because this summer it has not bee the heat, but the humidity. It takes 3 straight days with highs of 95° or higher at KCI, the ...

A small, sleek device—reminiscent of a flashlight—gathered temperature, rainfall and other weather data minute by minute outside Mastercard’s office in Kansas City, Mo., as the region baked during a ...

A heat wave that's affecting Texas and other states is putting daily temperature records in jeopardy. Here's when cooler air arrives.