Arlington Heights
3 to 6 p.m., central business district
No designated hours, recommend until dusk
Barrington/Barrington Hills/Deer Park/Lake Barrington/North Barrington/South Barrington/Tower Lakes
3 to 7 p.m.
Buffalo Grove
2 to 7 p.m.
Carpentersville
3 to 7 p.m.
Des Plaines
No designated hours, suggested until dusk
East Dundee
4 to 8 p.m.
Elgin
3 to 7 p.m.
Elk Grove Village
1 to 8 p.m.
Hanover Park
3 to 7 p.m.
Hoffman Estates
3 to 7 p.m.
Inverness
3 to 7 p.m., houses with lights on
Morton Grove
No designated hours, suggested until dusk
Mt. Prospect
3 to 8 p.m.
Niles
No trick-or-treating permitted. The village will hold a Halloween party from 4 to 8 p.m. in St. John Brebeuf School, 8301 N. Harlem Ave.
Palatine
3 to 8 p.m.
Park Ridge
4 to 8 p.m.
Prospect Heights
3 p.m. to dusk
Rolling Meadows
3 to 8:30 p.m.
Schaumburg
No designated hours, suggested until dusk
Sleepy Hollow
3 to 7 p.m.
South Elgin
3 to 7 p.m.
Streamwood
3 to 7 p.m.
West Dundee
3 to 7 p.m.
Wheeling
3 to 7 p.m.
McHENRY COUNTY
Algonquin
3 to 7:30 p.m.
Cary
4 to 7 p.m.
Crystal Lake
3 to 7 p.m.
Fox Lake
3 to 7 p.m. Free hot dogs and chips will be provided at Lake Front Park, Oak and Nippersink Streets.
Harvard
5 to 8 p.m.
Huntley
3 to 8 p.m.
Island Lake
4 to 8 p.m.
Johnsburg
3 to 7 p.m.
Lake in the Hills
2 to 8 p.m.
Marengo
3 to 8 p.m.
McHenry
3 to 7 p.m.
Richmond
4 to 8 p.m.
Spring Grove
3:30 to 7:30 p.m.
Woodstock
4 to 8 p.m. A costume contest will be held at 4 p.m. on the Square, and a magic show will be performed at 5 p.m. in the Opera House.
