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The Northwest Illinois Calendar

What’s Happening

154 upcoming festivals, concerts, markets and main-street traditions across all four counties.

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

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Saturday, August 15

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.

Saturday, August 22

Saturday, August 29

Friday, September 4

Arts & TheaterRally on the Rock - Cruise In6:00 PM – 8:00 PMSterling Marketplace · SterlingCruise nights are back—and Downtown Sterling is ready to Steel your Heart in 2026! ❤️⚙️

Saturday, September 5

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.

Saturday, September 12

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.

Friday, September 25

Arts & TheaterTaco Throwdown & ZOWA Live4:00 PM – 10:00 PMRB&W District Park · Rock FallsHead to the RB&W District Park on Friday, September 25, 2026, from 4–10 PM for the Taco Throwdown & Zowa Live. This lively event brings together local food vendors competing for the title of best taco—while guests sample, vote, and enjoy a variety of delicious eats.

Saturday, October 3

Arts & TheaterLumberjack Show11:00 AM – 5:00 PMSelmi’s Greenhouse and Farm Market · Rock FallsThe 6th Annual Lumberjack Show returns to Rock Falls on October 3, 2026, bringing a full day of high-energy entertainment to Selmi’s Greenhouse & Family Farm. Presented by Rock Falls Tourism, the event features Lumberjack Enterprises from Minnesota performing three action-packed shows at 11 a.m., 1 p.m., and 3 p.m.