Featuring Franky's $2 draft beer and Casper's friendly pizza. Costumes optional. Coulter Post 1941, 900 S. La Grange Road, La Grange.
2. Pumpkin Fest, 6:30 p.m. Friday
Celebrate fall with games, treats and a costume contest. Gower West School, 7650 Clarendon Hills Road, Willowbrook. Free.
3. 'The American Scream,' 7 p.m. Friday
A screening and discussion of the 2012 documentary that follows three families as they transform their homes into haunted houses. 91 minutes. Thomas Ford Memorial Library, 800 Chestnut St., Western Springs. Free.
4. Riverside Township Radio Players, 7:30 p.m. Friday
The Riverside Township Radio Players present "Chicken Heart" from Lights Out and "Another World" from Arch Oboler's Players. Riverside Township Hall Auditorium, 27 Riverside Road, Riverside. Free.
5. Harvest of Crafts Sale, 9 a.m. Saturday
An annual craft sale. For more information, call 708-865-1282. Westchester Community Church, 1840 Westchester Blvd., Westchester.
6. Free Halloween Kids Party, 1 p.m. Saturday
Wear your favorite Halloween costume and enjoy family fun, games, prizes and refreshments. Event is open to the public. Marquette Bank - Summit, 7447 W. 63rd St., Summit. Call 888-254-9500.
7. Clarendon Hills/Hinsdale/Burr Ridge CROP Walk 2013, 1 p.m. Sunday
The walk to fight hunger, which begins and ends at Redeemer Lutheran Church. Registration begins at 1 p.m. For more information, visit CROPWalk.org. Proceeds will help bring clean water to underdeveloped countries. Redeemer Lutheran Church, 139 E. First St., Hinsdale. Free.
8. Hooowl-A-Ween, 1 p.m. Sunday
A Halloween celebration for dogs, featuring a costume contest and trick-or-treating. Central Park, 16300 Alba St., Lemont. Free.
9. Classical Guitar Favorites, 2 p.m. Sunday
Local musician and guitar teacher Brian Riggs will perform classical music with his guitar. Registration required. La Grange Public Library, 10 W. Cossitt Ave., La Grange. Call 708-352-0576. Free.
10. Friends of the Oak Brook Public Library Evergreen Concert, 3 p.m. Sunday
The Merling Trio will be performing works by Brahms/Hermann, Dvorak, Smetana and Haydn. Oak Brook Public Library, 600 Oak Brook Road, Oak Brook. Free.