Today is Tuesday, Jan. 22. Here are five things you need to know:

1.) The Arlington High boys’ basketball team will host Burlington at 5 p.m. today; the girls’ team will be at Burlington at the same time.

2.) The Arlington Catholic swim team will compete at Boston Latin at 3:30 p.m. today. The school’s boys’ and girls’ indoor track teams will face Bishop Fenwick at 4:30 p.m. at the Reggie Lewis Center in Boston.

3.) Check out one of Arlington’s best-kept secrets.

4.) Trying to get caught up after the long weekend? Take a look at our “Week in Review.”

5.) After some snow early this morning, it should be partly sunny, according to the National Weather Service. The daytime high is only 26, the overnight low 6.