The United States is getting slammed by a stretch of weather extremes, from flooding rain to record heat and late-season snow ...

Yosemite National Park is about to have a taste of summer with temperatures predicted to reach the 80s early in the new week.

Many parts of Montana and Wyoming endured hurricane-force wind gusts on Thursday as our next winter storm began. The wind will weaken this evening, and we'll have snow with colder air starting Friday.

Scientists have documented that Yellowstone’s rare acidic Echinus geyser has resumed erupting after more than five years of inactivity. The return of one of the park’s few acid-driven geysers ...

A powerful and prolonged atmospheric river will impact the Northern Rockies today through Saturday, bringing damaging winds ...

Downtown Los Angeles hit the 90s on Thursday, and Phoenix was on track to push above 100 next week. By Amy Graff Amy Graff is ...

Here is your latest StormTracker forecast from meteorologists Alyssa Caroprese and Rob Lindenmuth. Significantly colder air is in place across the region today. This will take us through the night ...