1. There is a 40 percent chance of snow before noon, Tuesday in Jamaica Plain, according to the National Weather Service. The high will be around 18.
2. The Jamaica Plain branch library will host a toddler/preschool story time on Tuesday at 10:30 a.m. This week's story will be Tea Party Rules and the event will feature tea party puppets, tea and cookies.
3. Boston Bike Party's Heatwave, a bike ride from Government Center to Harpoon Brewery celebrating summertime in Antarctica, is scheduled for 8 p.m. Tuesday. Learn more about the event here.
4. Meditation Mindfulness Class for the New Year, at Serlingpa Meditation Center Boston, 179 Green Street, will meet each Tuesday until Feb. 18 at 7 p.m. Learn more about the program at www.meditationinboston.org.