Here is what to know about the CIM Race Expo, planned road closures and the best marathon viewing locations for spectators.

Lake Oroville rose more than 20 feet during a five-day period in November amid a deluge of rain from an atmospheric river.

Louisiana has long relied on a vast levee system to rein in the Mississippi River and protect surrounding communities from ...

California’s cities may only receive about 5 percent of the water deliveries they have requested this year, with dry and warm ...