Unhealthy air quality has descended on parts of the Bay Area thanks to a combination of cold weather, dense fog and smoke.

The National Weather Service forecast for the greater San Francisco Bay Area for Wednesday calls for sunny skies during the day and clouds with patchy fog in some areas at night. Daytime highs will be ...

The Bay Area is set to enjoy clear skies and comfortable temperatures, with highs in the mid-60s to upper 70s.

The air quality is forecast to be moderately healthy, though it may be unhealthy for some in parts of the region.

The Bay Area sees warm temperatures and dry weather, set to continue, as records are reached and calm conditions prevail for ...

Researchers said nearly 32% of the trees in a recent survey were infected, compared to 4% last year and 5.2% the year before.

Pasco County is opening a cold weather shelter on Tuesday at 6 p.m. It will close on Wednesday at 10 a.m. The shelter is ...

The long-duration lake-effect snow event along the Great Lakes is entering its fourth day. Nearly 6 feet of snow has already ...

The National Weather Service forecast for the greater San Francisco Bay Area for Saturday calls for up to 70% chance of rain ...

Looking further south, moderate rain and gusty winds are expected to impact the Santa Cruz and Santa Lucia mountains, the ...

An atmospheric river is expected to bring powerful wind and heavy rain to the Bay Area through Friday night before easing up ...

Hundreds of flights were canceled and delayed at the San Francisco airport on Wednesday as an atmospheric river brought rain ...