Even as Warren settles in for Thanksgiving, the season’s spirit is in the air. The 24th annual Warren Holiday Festival runs Friday and Saturday, and thousands are expected downtown to help the town celebrate the start of the season. The lights are turned on just after 7 p.m., but by then the party will long have begun. Click on the HolidayFestival schedule for the details. And the weather? In the 40s with a 10 percent chance of ****.