After a century of study, physicists have theories — but they’re still not 100% sure.

El Nino warps weather worldwide. Meteorologists say the natural El Nino cycle is both adding to and feeling the heat of a warming world.

On Friday at 8:43 a.m. the National Weather Service released a flash flood warning in effect until 11:45 a.m. for Armstrong, ...

An updated flood watch was released by the National Weather Service on Friday at 2:39 a.m. in effect until 1 p.m. for ...

This year, more than a dozen state laws and regulations about the use of PFAS chemicals will go into effect, and another 33 ...

The Chico Unified School Board is moving ahead with plans to implement a video surveillance system approved in December.

At 11:58 a.m. on Thursday, the NWS Los Angeles/Oxnard CA issued a flood advisory in effect until 1 p.m. for Los Angeles.

It is commonly assumed that tiny particles just go with the flow as they make their way through soil, biological tissue, and other complex materials. But a team of Yale researchers led by Professor ...

At 2:57 a.m. on Thursday, the NWS San Francisco CA released a flood advisory in effect until 6 a.m. for Marin County.

Without snow in the mountains, the places that depend on the West’s rivers will hurt for water.

Several powerful storms will move into Southern California this week, bringing four straight days of rain. We're timing out when they'll arrive.

Swamps are often viewed through the lens of recreation, but their real value lies in the services they provide every ...