Tamara Berg breaks down the concerns over fog and air quality on Monday.

Following another morning of dense, patchy fog this Tuesday, Northern California could see some light rain showers.

A severe geomagnetic storm means there's a chance for a spectacular display of the northern lights over the US tonight.

Scientists uncover hidden faults beneath Northern California’s Mendocino triple junction. The discovery reshapes ...

“You can see a bit at the surface, but you have to figure out what is the configuration underneath,” what the configuration of the faults of Northern California is like, is what causes the most ...

Prosecutors in Northern California have charged a 66-year-old man with murder, alleging he staged the killing of his wife ...

California has been on a roller coaster ride of extreme weather in recent years. Six years ago, in January 2020, none of the state was classified as being in a drought. Just 3% — a tiny ...

Assembly Republican Leader James Gallagher says Republicans will push back on Democratic-led redistricting proposal in ...

By tracking swarms of very small earthquakes, seismologists are getting a new picture of the complex region where the San Andreas fault meets the Cascadia subduction zone, an area that could give rise ...

Here's *** look at temperatures across the Sierra 34 in South Lake Tahoe today, 34 in Truckee. Lows down in the teens there, 10 degrees in Truckee. So again, great day to hit the slopes. Pack your ...

Clouds should push south out of the state in time for any northern lights sightings in Iowa. Much of the state, particularly in the stronger viewing areas in northern Iowa, will have clear skies ...

Solar cycle 25 may be on the downswing, but that doesn’t seem to be stopping the auroras from putting on a show. A strong ...