1. Mid-Winter Coffee House. The annual Mid-Winter Coffee House Concert will be held today at the First Unitarian Society in Newton to benefit F.A. Day Middle School. Performers will include Corvus, Rob Seigel, Pam McA'Nulty and Don Levey, The Barb Cassidy Band and George Attisano. The concert kicks off at 7 p.m. and tickets are $20. 

2. Renowned baker to share new cookbook. Joanne Chang, owner and chef from Boston's famous Flour Bakery, will appear at the New England Mobile Book Fair today for a book signing. Chang will be promoting her cookbook Flour, Spectacular Recipes from Boston’s Flour Bakery + Café. The event will run from 1 p.m. - 2:30 p.m.

3. Newton Dems hold caucus. The Newton Democratic City Committee will hold its caucus today at Newton South to elect delegates to the Democratic State Convention. Whether you're looking to be a delegate or just meet other local Democrats, any person who was registered to vote as a Democrat on or before December 31 is encouraged to attend. A pre-caucus Obama campaign rally will be held at noon, the caucus doors open at 1:15 p.m. and the caucus begins at 2 p.m.

4. Aqueducts, A History of Bringing Water to the People. Marcis Kempe, MWRA engineer, will discuss the history of human efforts to capture and transport our most important resource today at the Waterworks Museum in Chestnut Hill (2450 Beacon St.). The event begins at noon and is free and open to the public. 

5. Winter weather. The area will likely get some snow today, according to the National Weather Service. Roughly 2-4 inches is expected today before 5 p.m.