An extremely strong atmospheric event is in the forecast, with flood watches and blizzard warnings across Northern California. But the precipitation forecast around the Bay Area is much less certain.

An updated frost advisory was issued by the NWS San Francisco CA on Tuesday at 12:16 a.m. Temperatures as low as 32 degrees ...

There will be mostly sunny skies. The high will reach 89° on this humid day. Moderate air quality (51-100) Primary pollutant PM2.5 18 μg/m³ Pressure is the weight of the air in the atmosphere. It is ...

Silicon Valley, long plagued by notorious traffic jams, is breathing a collective sigh of relief today as the newly ...