Skip to content

The Northwest Illinois Calendar

What’s Happening

Festivals, concerts, markets and main-street traditions across all four counties.

154 upcoming events across Northwest Illinois.

Filter
Category
County
Layout
CardsCalendarMosaic

0 eventsDecember 2025

Running something?

Put It on the Calendar

Festivals, fundraisers, live music, farmers markets — if it happens in Carroll, Lee, Ogle or Whiteside County, we want it here. It’s free.

Submit an Event
Events in December 2025, by day
SundayMondayTuesdayWednesdayThursdayFridaySaturday
30Sunday, November 30, 20251Monday, December 1, 20252Tuesday, December 2, 20253Wednesday, December 3, 20254Thursday, December 4, 20255Friday, December 5, 20256Saturday, December 6, 2025
7Sunday, December 7, 20258Monday, December 8, 20259Tuesday, December 9, 202510Wednesday, December 10, 202511Thursday, December 11, 202512Friday, December 12, 202513Saturday, December 13, 2025
14Sunday, December 14, 202515Monday, December 15, 202516Tuesday, December 16, 202517Wednesday, December 17, 202518Thursday, December 18, 202519Friday, December 19, 202520Saturday, December 20, 2025
21Sunday, December 21, 202522Monday, December 22, 202523Tuesday, December 23, 202524Wednesday, December 24, 202525Thursday, December 25, 202526Friday, December 26, 202527Saturday, December 27, 2025
28Sunday, December 28, 202529Monday, December 29, 202530Tuesday, December 30, 202531Wednesday, December 31, 20251Thursday, January 12Friday, January 23Saturday, January 3