Today is another Spare the Air alert day with unhealthy air quality in the East Bay and Santa Clara Valley. No wood burning is allowed. It’s a chilly start to the day with some valleys dipping into the upper 30s. This is the last day of warmer temperatures before a storm moves in Wednesday. Scattered showers and possibly a few storms are expected Wednesday afternoon into Thursday. Scattered rain will linger into early Friday with mild weather. Saturday looks dry with another storm moving in on Sunday. Download our NBC Bay Area app for the latest forecast videos, hour by hour forecast and alerts on when weather moves into the Bay Area.