After a brief reprieve from storms, the atmosphere is beginning to stir again. Saturday will stay dry for most of the Bay Area, but it won’t be calm. Gusty winds ramp up through the day, and by Sunday, rain and drizzle chances start to creep back into the forecast — with a relatively warm atmospheric river arriving Monday.
A very cold air mass will remain over the Bay Area through Sunday. Upper air observations continue to show below-freezing temperatures only a few thousand feet above the surface, well below the average for late February.
We won’t see any temperature records, but it does mean cold mornings and cool afternoons. High temperatures Saturday will be running a good 10 degrees below normal. Most places will be stuck in the mid- to upper 50s, save for maybe a few 60 degree readings on the bayside parts of the Peninsula and East Bay…