The Montebello Jewish Center hosts “The Whole Megillah” with an ice cream social, 6 p.m., Ma’ariv, costume parade, and Megillah reading at 6:20; and Purim shpiel at 7:15. Purim carnival, Sunday, March 4, 10:30 a.m. Costumes encouraged. 34 Montebello Road. (845) 357-2430.