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Events in Downstate Illinois

Events in Downstate Illinois

Find Your Next Event

Whether you’re looking for a festival, marathon or something family-friendly to bring the kids to, Downstate Illinois has something for everyone. The region hosts over 900 events each year, and we pride ourselves on providing the most accurate event information so that you don’t miss a thing.

What are you waiting for? Explore our Event Calendar to find the perfect entertainment for you and your family during your visit.

Please use the color-coded map for reference.

  • Western Region (Orange) – Close to St. Louis, MO
  • Central Region (Blue) – Close to Springfield, IL
  • Eastern Region (Yellow) – Close to Terre Haute, IN

Home Builders and Remodelers Home Expo 2025

 February 27, 2026 - March 1, 2026
Belle-Clair Fairgrounds Park
Swansea, IL

Mount Carmel Indoor Farmers Market

 February 28, 2026
Market Street Mercantile
Mount Carmel, IL

Vine Street Market Micro Markets

 February 28, 2026
O'Fallon Station
O'Fallon, IL

Winter Pops Concert

 February 28, 2026
Centralia Cultural Society
Centralia, IL

32nd Annual Polish Fest

 March 1, 2026
White House Tavern
Breese, IL

Forever Vintage Market

 March 6, 2026 - March 8, 2026
Belle-Clair Fairgrounds & Expo Center
Belleville, IL

Mount Carmel Indoor Farmers Market

 March 7, 2026
Market Street Mercantile
Mount Carmel, IL

Power of Place: An Illinois Humanities Road Scholar Presentation

 March 7, 2026
Lincoln Log Cabin State Historic Site
Lerna, IL

Belleville Philharmonic Society Stars of Tomorrow

 March 7, 2026
St. Matthew Church
Belleville, IL

MEPSI Denim & Diamonds Brunch Show

 March 8, 2026
Bennie's Pizza Pub
Belleville, IL

Willy Wonka: The Musical preseented by WVAC

 March 12, 2026
Wabash Valley College Brubeck Arts Center
Mount Carmel, IL

Spring RV and Camper Show

 March 13, 2026 - March 15, 2026
Belle-Clair Fairgrounds Park
Belleville, IL

Etta May and the Southern Fried Chicks - Live at the Lincoln

 March 13, 2026
Lincoln Theatre
Belleville, IL

Willy Wonka: The Musical preseented by WVAC

 March 13, 2026
Wabash Valley College Brubeck Arts Center
Mount Carmel, IL

Mount Carmel Indoor Farmers Market

 March 14, 2026
Market Street Mercantile
Mount Carmel, IL

Lucky Leprechaun 5K

 March 14, 2026
Union United Methodist Church
Belleville, IL

Vine Street Market Micro Markets

 March 14, 2026
O'Fallon Station
O'Fallon, IL

St. Patrick's Day Block Party

 March 14, 2026
Main Street
Belleville, IL

Shamrock Shopping and Shenanigans

 March 14, 2026
Downtown
Columbia, IL

Willy Wonka: The Musical preseented by WVAC

 March 14, 2026
Wabash Valley College Brubeck Arts Center
Mount Carmel, IL

St. Patrick's Day Grub Crawl

 March 15, 2026
Downtown O'Fallon
O'Fallon, IL

Willy Wonka: The Musical preseented by WVAC

 March 15, 2026
Wabash Valley College Brubeck Arts Center
Mount Carmel, IL

Mount Carmel Indoor Farmers Market

 March 21, 2026
Market Street Mercantile
Mount Carmel, IL

Belleville Flea Market

 March 21, 2026 - March 22, 2026
Belle-Clair Fairgrounds & Expo Center
Belleville, IL

Easter Egg-Citement

 March 21, 2026 - March 22, 2026
Eckert's Country Store & Farms
Belleville, IL

Maeystown Spring Art Show

 March 21, 2026 - March 22, 2026
Preservation Society Rock Mill and Museum
Maeystown, IL

That Arena Rock Show

 March 21, 2026
Castle Ridge Event Venue
Centralia, IL

How Sweet It Is: The Music of James Taylor

 March 27, 2026
Wabash Valley College Brubeck Arts Center
Mount Carmel, IL

Centralia Chamber of Commerce Regional Business Expo

 March 28, 2026
Kaskaskia College Gymnasium
Centralia, IL

Mount Carmel Indoor Farmers Market

 March 28, 2026
Market Street Mercantile
Mount Carmel, IL

Vine Street Market Micro Markets

 March 28, 2026
O'Fallon Station
O'Fallon, IL

Easter Egg-Citement

 March 28, 2026 - March 29, 2026
Eckert's Country Store & Farms
Belleville, IL

Gun and Knife Show

 March 28, 2026 - March 29, 2026
Belle-Clair Fairgrounds and Expo Center
Belleville, IL

Egg-stra Special Spring Fling

 March 28, 2026
COLE MEMORIAL PARK
Chester, IL

Spring Fling 2026

 March 28, 2026
COLE MEMORIAL PARK FAORGROUNDS
Chester, IL

Chester Spring Fling & Easter Egg Hunt

 March 28, 2026
Cole Memorial Park
Chester, IL


Downstate Illinois Events

Downstate Illinois Events

Explore Our Event Calendar
Whether you’re looking for a festival, marathon or something family-friendly to bring the kids to, Downstate Illinois has something for everyone. The region hosts over 900 events each year, and we pride ourselves on providing the most accurate event information so that you don’t miss a thing.
Travel Ideas

Travel Ideas

Check Out Our Blog
From outdoor recreation and adventure to foodies and family fun, we have the trip ideas to plan the perfect vacation.
Road Trip Itineraries

Road Trip Itineraries

22 Counties made for Road Trips
Downstate Illinois was made for road trips! With the help of our road trip itineraries, you can discover all that our 22 counties have to offer — from family fun to outdoor adventures and shopping sprees. 
Check out our calendar of events!
Home Builders and Remodelers Home Expo 2025

Home Builders and Remodelers Home Expo 2025

 February 27, 2026 - March 1, 2026 @ 12:00 PM - 12:00 PM
Belle-Clair Fairgrounds Park | Swansea, IL
Mount Carmel Indoor Farmers Market

Mount Carmel Indoor Farmers Market

 February 28, 2026 @ 8:00 AM - 12:00 PM
Market Street Mercantile | Mount Carmel, IL
Winter Pops Concert

Winter Pops Concert

 February 28, 2026 @ 7:00 PM - 9:00 PM
Centralia Cultural Society | Centralia, IL

View Entire Events Calendar

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