Five Things: Ball Square Green Line Meeting

1) Ball Square Green Line Extension Meeting
Discuss the design of the Green Line Extension station in Ball Square. The meeting is 6 p.m. at St. Clement's School, 579 Boston Ave., in Medford, just outside Ball Square.

2) Rockland Trust Giving Away Prizes
Rockland Trust, which is a new addition to Somerville's banking landscape, is giving away some prizes. Between today and June 22 residents can participate in the Mystery Vault Game for a chance to win a $100,000 grand prize or smaller prizes, including $25 gift certificates. More here.

3) Som|dog Raises $1,500
Som|dog, Somerville's dog group, recently held a festival in Union Square called Spring Fling, and it raised $1,500 for Somerville Animal Control, according to an email from the group. About 800 residents attend, it says. Congratulations.

4) Collecting Children's Books
CPCU Credit Union collected nearly 100 books during Children's Book Month in April, according to an announcement from the bank. The books will be distributed to needy kids. More congratulations.

5) Weather
A chance of showers and thunderstorms with a high around 76.