Five Things You Need to Know Today: June 21

1. Newton Salutes! Historic Newton ad the  will celebrate the opening of a new exhibit tonight at 5:30 p.m. The "Newton Salutes!" exhibit . The event is free and open to the public.

2. More heat on its way. Today's high temperature is expected to reach 101 degrees, with a heat index around 102 degrees. Make sure you stay cool with these tips from the city. 

3. Delays on the Commuter Rail. Due to the heat, speed restrictions have been put in place for trains operating on the Framingham/Worcester Commuter Rail line, which runs through Newton. Because of this, trains will likely be delayed by 10-15 minutes between the hours of 1 p.m. - 7 p.m., according to a press release from the Massachusetts Bay Commuter Rail (MBCR).

4. Upper Falls meeting. The Upper Falls Neighborhood Area Council will meet tonight at 7 p.m. in the .

5. Film premiere. Newton resident and documentary film producer Rusty Thompson , tonight at the . The showing starts at 7 p.m. and admission is free. However, seating is limited to 225 people.