bay area weather August 30, 2023 6:34 am Kari's forecast: Spare the Air and heat Meteorologist Kari Hall has an update on the peak of the heat, and unhealthy air due to wildfire smoke moves into the Bay Area in the Microclimate Forecast. US & World Videos 3:32 Jeff's Forecast: Bit cooler Wednesday as larger changes return for the weekend 2:53 Forecast: Warm valleys, mild coast 1:32 Kari's forecast: Warm valleys, mild coast 2:33 Jeff's forecast: Warming up for now as temperatures will plunge by the weekend 3:18 Jeff's forecast: Warmer Tuesday as big cooling returns later in the week