Air quality is unhealthier-than-average for some people Thursday as winds are blowing wildfire smoke across the Northern ...

Wildfires are burning in Northern California and Southern Oregon. A Spare The Air Alert day is in effect Friday due to poor ...

A minor, 3.3-magnitude earthquake struck in Northern California on Monday, according to the United States Geological Survey.

Smoke from wildfires in Northern California and southern Oregon has settled over Northern Nevada and is worsening air quality across the region. Air quality in the Reno-Sparks area Thursday morning ...

A preliminary 3.7 magnitude earthquake struck Wednesday morning off the coast of Northern California, according to the United ...

Residents are encouraged to limit outdoor activities, stay indoors with windows and doors closed, and use air conditioners ...

Seven people were "unaccounted for" in Yolo County's town of Esparto after several explosions at a fireworks warehouse ...

Here are maps showing some of Northern California’s most populated areas within a tsunami hazard zone, as determined by the California Geological Survey.

The map above shows the remaining outposts of some dwindling chains. (We’ve left out Southern California because, with its metropolitan sprawl and drive-in-and-diner culture, it seems to be home ...

View the latest weather forecasts, maps, news and alerts on Yahoo Weather. Find local weather forecasts for Northern California, United States throughout the world ...

Areas in northern and central California were the most impacted by outages Saturday, including Monterey County (over 41,000 outages), Marin County (over 19,000 outages), and Santa Cruz County ...

Cal Fire added more than 360,000 acres in coastal Northern California to its fire hazard zones where heightened fire safety regulations will apply. New Southern California maps come out March 24.