A huge storm system crossing the U.S. threatens to unleash tornadoes Friday in the Mississippi Valley, blizzards in the northern Plains and dry, gusty conditions in Texas and Oklahoma that pose a high risk of wildfires.

A sprawling storm system crossing the U.S. on Friday overturned semitrucks on highways and fanned wildfires in Texas and Oklahoma, where officials called for ev

A rare EF-0 tornado struck Pico Rivera early Thursday morning, leaving a trail of damage in its wake. The National Weather Service confirmed winds of up to 85 mph as the twister briefly touched down, toppling trees and power lines in the neighborhood southeast of downtown L.A.

The National Weather Service is investigating reports of a "possible tornado" in Pico Rivera Thursday morning.

The National Weather Service confirmed that a tornado touched down in Los Angeles County Thursday morning and said it’s possible another could develop. “This is a confirmed EF-0 tornado, a high-end EF-0 tornado at 85 mph that moved through Pico Rivera at approximately 3:15 a.