temperature readings in the low 50's everywhere in san francisco oakland redwood city, lot gattoes halfand sfo camera cloudy conditions over san francisco airport. temperatures in the upper 40's at santa rosa, napa, petaluma, fairfield, concord 52 at livermore. one final live view looking from our exploring camera back towards the sky line of downtown san francisco you can see a nice out line of the cloud and sky there. these are our forecast features. few showers will develop overnight giving way to soaking rain this weekend and winter storm warning in effect for the the sierras. a lot of snow this wean. satellite animation showing the passage of the frontal system that brought us rain overnight tomorrow morning and south at the moment and coming our way now is this big beefy wet winter storm that is bigger than the storm last night. bring rainfall that will actually last through the whole weekend. here's our forecast animation starting at 11:00 o'clock tonight. overnight scattered showers developing. wet in some spots mainly in the north bay. later in the day we see better organized r