Mendota Sweet Corn Festival 2024 Date.  — tons of free, hot, buttered, delicious sweet corn will be the highlight of the 77th annual sweet corn festival to be held in mendota, illinois.  — the mendota area chamber of commerce is preparing for the 75th annual sweet corn festival to be held in mendota, illinois on august 11, 12, 13, & 14th.

Location, dates, schedule, events and activities, official references, and more. Mendota expects a big crowd this weekend for sweet corn, music and fun.