MLA2078191 TRI COUNTY FAIR Labor Day Weekend in Mendota 2023 TRI-COUNTY FAIR! Aug. 31-Sept. 3 Thursday, Aug. 31 Rodeo & Fireworks Celebrating Our 150th Year! Friday, Sept. 1 ISP Truck and Tractor Pulls Saturday, Sept 2 Mega X Shoot Out Motorcycle racing Sunday, Sept 3 Demolition Derby & Fireworks MLA2078191 TRI COUNTY FAIR Labor Day Weekend in Mendota 2023 TRI - COUNTY FAIR ! Aug. 31 - Sept . 3 Thursday , Aug. 31 Rodeo & Fireworks Celebrating Our 150th Year ! Friday , Sept. 1 ISP Truck and Tractor Pulls Saturday , Sept 2 Mega X Shoot Out Motorcycle racing Sunday , Sept 3 Demolition Derby & Fireworks