1. It's Independence Day! Also known as the Fourth of July, Independence Day is a federal holiday celebrating the adoption of the Constitution on July 4, 1776, according to USA.gov.

2. Free Youth Games: As part of the Lexington Lions Club's annual Fourth of July Carnival, free youth games will be held from 10 a.m. to 12 p.m. at the field inside the track next to the Town Pool Complex.

3. Carnival Fun: The carnival itself, located across Worthen Road at Hastings Park, is open from 1 to 11 p.m. today. 

4. Fireworks: Lexington's professional fireworks are at dusk tomorrow, July 5, and will be shot off from the field inside the track at the recreation complex off Worthen Road. Amatuer fireworks displays are illegal in Massachusetts, and here's a refresher in their illegality and consumer fireworks safety.

5. Sunny with a Chance of T-Storms: Should be partly sunny today, with a chance of showers and/or thunderstorms and a high of 82, according to the National Weather Service, which predicts patchy fog and more possible precipitation overnight with a low of 67.