weather September 8, 2021 5:38 pm Jeff's Forecast: Lightning Chance and Cooling Chief Meteorologist Jeff Ranieri has more on the lightning chance returning to the Bay Area. Plus, the cooler weather on the way in your Microclimate Forecast. US & World Videos 2:12 Kari's forecast: Rainy Saturday ahead 2:48 Jeff's Forecast: Dry Friday; rain returns this weekend 3:48 Jeff's Forecast: Weekend rain timeline 2:42 Forecast: Warm day, Saturday rain 1:43 Kari's forecast: Warm day, Saturday rain