A vast belt of dense radiation fog has turned a huge slice of California into a low-visibility maze, trapping millions of ...

California's Central Valley is no stranger to Tule fog, but the recent event has been extraordinary. A massive fog bank ...

As winds blow in over the Pacific, they churn up the coastal ocean, bringing up frigid waters from the depths towards the ...

While fog presents a major hazard to transportation safety, meteorologists have yet to figure out how to forecast it with the precision they have achieved for precipitation, wind and other stormy ...

Patchy fog is expected Sunday morning at the beach and along the coast, extending to include western valleys through the early part of the week, forecasters said. Above average temperatures also are ...

With rain and possible fog moving into metro Phoenix on Monday, drivers may wonder if it is safe to be on the roads in such conditions. Fog can be dangerous if it at all reduces visibility, such as ...