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.
CommunityLes Allen - Taft Gallery - August 1 - September 3010:00 AM – 5:00 PMColiseum Museum of Art, Antiques and Americana (CMAAA) · OregonLes Allen Taft Gallery, August 1 – September 30
CommunityRock Falls River Chase10:30 AM – 5:00 PMSeward Riverside Park · Rock FallsThe Rock River Chase returns to Rock Falls, Illinois, Aug. 15–16, 2026, bringing the excitement of stock outboard boat racing back to the Rock River at Seward’s Park. This longtime summer tradition features high-speed racing action as drivers from across the region compete on the water in a family-friendly atmospher…
CommunityCut The Square Cruise Night4:00 PM – 8:00 PMRochelle Flagg Township Museum · RochelleCar lovers won’t want to miss 🚗🎶 Cut the Square Cruise Night in Rochelle, a monthly gathering that brings chrome, horsepower, and hometown charm together in one lively evening.