5 Things You Need to Know: Home Alone, Making Salsa (Dance) and More

1. There may be some ominous clouds forming during the day, leading to about an 80 percent chance of rain or thunderstorms in the evening. Otherwise, the National Weather Service expects temperatures to range between 76ºF and 55ºF.

2. You may not need paint cans on string, but the Home Alone Safety class at the Wellesley Warren Building will teach your kids a number of things about using the internet, answering the door and doing other things safely. The class starts at 3:30 p.m. and costs $45. 

Later in the day, the Warren is also hosting an AHA Pediatric First Aid/CPR course: 6 p.m., cost is $85. 

3. If you are one of the people who uses Needham's "buddy spaces" at the Lincoln Street lot, the Selectmen will hold a hearing tonight to discuss the fate of those very spaces. It starts at 7 p.m. tonight in Powers Hall, stop by with feedback, if you have any.

4. Want to give your opinion on the fundraising, the MBTA and other aspects of Bay Colony Rail Trail? Well, come to their meeting 7:30 p.m. Public Services Administration Building tonight. 

5. You may not need chips for this salsa. Dance Republic in Wellesley wants you to Learn How to Dance Salsa in 6 weeks. If you think you are up to the challenge, then head there at 7:30 p.m. with $20 for the class, or to get the full six-week set, $90.