Emergency flash flood warnings were sent in the middle of the night, giving residents little time to understand what was happening and to react. The Guadalupe River skyrocketed more than 20 feet ...

An atmospheric river storm dumped five months of rain in four days over Sonoma County, Calif., north of San Francisco. NBC News' national climate reporter Chase Cain reports on the latest river ...

SAN FRANCISCO (KGO) -- Get ready Bay Area, another atmospheric river event is expected this week and it is expected to drench the region with up to 5 inches of rain in some places.

San Francisco, the East Bay and the North Bay will see less, ranging from-.60" to an inch and a half with breezy winds. Details are not in full focus yet, so it's a good idea to stay up to date ...