Five Things You Need to Know Today, Feb. 21

1. Weather: Expect some clouds and potential rain at night. High temperatures could reach 46 with an overnight low of 38.

2. Holiday Trash and Recycling Collection: Due to Presidents Day, Monday's collection willbe picked up on today and there will be a one-day delay for the remainder of the week. For missed pick-ups, please call Waste Management directly at 1-800-545-4560.

3. Yoga at Senior Center: There is a twice weekly drop-in yoga classes at the Arlington Senior Center. Meets every Tuesday and Friday. Bring a mat. Membership not required. Cost is $5. 

4. Claim your Patch listing: Are you a business owner in Arlington looking for more ways to connect with local customers? Take a minute to watch this video and find out how to do just that. It's free and it takes only five steps.

5. This day in history: In New York City, Malcolm X, an African American nationalist and religious leader, is assassinated by rival Black Muslims while addressing his Organization of Afro-American Unity at the Audubon Ballroom in Washington Heights.