An atmospheric river is bringing multiple rounds of heavy rainfall across the Midwestern and Southern U.S. this week.

Thursday morning is expected to remain mostly dry around Southern California but forecasters warn that thunderstorms could produce heavy downpours later in the day. “Could be starting as early as ...

The National Weather Service described the disaster as "a once-in-a-generation to once-in-a-lifetime" event, warning that the worst may still be ahead.

Nearly 30 tornadoes were confirmed after the first wave of the storm, which will extend into the weekend. Mud smeared streets ...

A flash flood warning was issued by the NWS Los Angeles/Oxnard CA on Thursday at 4 p.m. in effect until 6 p.m. for Los Angeles.

On Thursday at 3:33 p.m. the NWS Los Angeles/Oxnard CA released a flood advisory in effect until 5 p.m. for Los Angeles.

The National Weather Service issued a flash flood warning for the San Fernando Valley Thursday afternoon. The advisory will ...

Parts of the San Fernando are already being rattled by thunder and hit with rain and hail as a storm system moving over the mountains spills into the valley, the National Weather Service reported.

At least six people have been killed in a wide swath of violent storms and tornadoes that hit the South and Midwest, and officials are bracing for more severe weather and ...