The Northwest Illinois Calendar
What’s Happening
154 upcoming festivals, concerts, markets and main-street traditions across all four counties.
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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.
Arts & TheaterThe Art of Tom Heflin at the Coliseum10:00 AM – 5:00 PMColiseum Museum of Art, Antiques and Americana (CMAAA) · OregonTom Heflin: Feature Walls Exhibition August 1–31 During regular gallery hours, Wednesday-Saturday, 10 a.m. to 5 p.m.
Arts & TheaterStill Lifes: Objects of Affection at The Coliseum10:00 AM – 5:00 PMColiseum Museum of Art, Antiques and Americana (CMAAA) · OregonObjects of Affection Still Life Art Exhibit August 1-September 12, 2026
Arts & TheaterDan Grossmann - Lowden Gallery - July 1 - Aug 3110:00 AM – 5:00 PMColiseum Museum of Art, Antiques and Americana (CMAAA) · OregonThe Coliseum Museum welcomes the art of Dan Grossmann to our Lowden Gallery, July 1 – August 31.
Arts & TheaterMusic at the Square Summer Series5:30 PM – 7:00 PMJohn Dixon Park · DixonSpend Friday evenings enjoying live music in the heart of Dixon during the 2026 Music at the Square Summer Series at John Dixon Park. These free outdoor concerts take place from 5:30–7 p.m. and feature a variety of local and regional performers throughout the summer. Visitors are encouraged to bring lawn chairs, rel…
Arts & TheaterTwin City Farmers Market8:00 AM – 12:00 PMTwin City Farmers Market · SterlingThe Twin City Farmers Market is Northwest Illinois’ only YEAR-ROUND, indoor Farmer’s Market – open every Saturday morning from 8:00 AM until noon.