The Pineapple Express: how this moisture plume forms, and why a strong El Niño can turn it into a serious West Coast flood threat.

A seasonal clash takes place for the next several days: summer temperatures followed by the first taste of fall. Here’s the forecast.

Santa Ana winds are one of California's most notable weather events, setting the stage for destructive wildfires.

Was Hurricane Isaias the last chapter of a suppressed 2026 Atlantic hurricane season? Here's what past super El Niño seasons have delivered.

Record-breaking heat is gripping the U.S. this week, with the Twin Cities and Denver being some locations to see notable heat.