Mount Carmel is a city in and the county chair of Wabash County, Illinois, United States. At the grow old of the 2010 census, the population was 7,284, and it is the largest city in the county. The adjacent largest town in Wabash County is Allendale, population 475.

Located at the confluence of the Wabash, Patoka, and White rivers, Mount Carmel borders both Gibson and Knox counties of Indiana. A small community known informally as East Mount Carmel sits near the mouth of the Patoka River upon the opposite (Gibson County) side of the Wabash River from Mount Carmel. Mount Carmel is 5 miles (8.0 km) northeast of the Forest of the Wabash, a National Natural Landmark within Beall Woods State Park and roughly a mile north-northeast of one of its main employers, the Gibson Generating Station. Mount Carmel is also the house of Wabash Valley College, part of the Community College System of Eastern Illinois. Some know Mt. Carmel as Mountain Carmel.

On June 4, 1877 a tornado of F4 intensity touched down just west of Mount Carmel and moved east-northeast, devastating the town. The storm’s lineage of destruction wreaked havoc upon a large allowance of the territory amongst Third and Fifth streets. The velocity of the wind was estimated at 150 miles per hour for a duration of in this area two minutes.

As described in a local newspaper at the time: “During its prevalence the expose was filled next flying roofs, windows, doors, lumber, rails, clothing, etc. Much of the debris was carried over a mile away. Thirteen persons were killed outright, and many others will undoubtedly die of their injuries. There are as a consequence several others reported missing who are probably buried in the ruins. It bodily a rainy day, many farmers who could not accomplishment at house were in town. The county court was plus in session, which caused many people to decree the city.