Mountain storms can change quickly. Here’s a breakdown of the weather event that caused tragedy over the weekend.

An 18-year study reveals dramatic year-to-year variations in ultraviolet radiation penetration tied to Sierra Nevada ...

Six people died and two remain missing after a recreational boat capsized during a sudden storm at Lake Tahoe, creating one ...

According to the U.S. Coast Guard, the 10 passengers on the boat fell into the water as temperatures began to drop around the ...

Joshua Anthony Pickles, 37, died June 21 when an unusually severe summer storm swept over the lake, causing sudden swells and ...

It seemed that within minutes on Saturday that everything changed. A storm moved in, sending tents and canopies flying. White ...

Scientists and officials say they need to figure out why the famed alpine lake isn't improving despite decades and billions ...

Joshua Anthony Pickles died June 21 when an unusually severe summer storm swept over the lake, causing sudden swells and ...