bay area weather December 11, 2024 5:25 pm Forecast: Rain returns and when atmospheric river arrives NBC Bay Area Chief Meteorologist Jeff Ranieri has details on two storms that will bring heavy rain. US & World Videos 2:39 Jeff's forecast: AM fog, break from rain 3:04 Kari's forecast: Clear skies ahead for the work week 2:35 Kari's forecast: Rainy Monday 3:27 Rob's Forecast: Monday rain, drier pattern ahead 2:42 Forecast: Monday rain, drier pattern ahead