There's a new tropical system and Bertha may affect many on the Gulf Coast this week from Florida to Louisiana and Texas. Here's the latest forecast.

Showers and storms helped clear some of the wildfire smoke. But another round could be on the way for the Midwest and East.

Sweltering heat baked some World Cup matches in Canada, Mexico and the U.S. this year. But 2030 could be even hotter in north Africa and western Europe.

Our latest outlook through October looks quite warm in one area, but has a couple of notable cooler regions in August and October.

Power outages, downed trees and flooding were holiday headaches in New York, Washington and Chicago. But strong thunderstorms are typical this time of year.