Lebanon, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery for Lebanon, St. Clair County.
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Lebanon, Illinois, rests in a gentle fold of southwestern Illinois, where the land begins to loosen its grip on the rolling prairie and hint at the broader, more varied terrain to come. It lies 5.7 miles east of O'Fallon, IL (from O'Fallon, IL: bearing 82°T), and is situated 5.7 miles east of O Fallon. Here, the fields stretch out, a mosaic of cultivated greens and golds under an immense sky that can shift from brilliant blue to bruised violet with startling speed. The air itself carries a certain cleanness, a whisper of distant cornfields and the damp earth after a summer shower. Lebanon’s streets are lined with sturdy, older homes, their porches offering shade and a quiet invitation to linger, a contrast to the vast openness of the surrounding countryside. The trees, mostly maples and oaks, stand as sentinels along the roads, their leaves rustling with a sound like hushed secrets. This is a place where history feels less like a monument and more like a low hum beneath the surface of everyday life, a quiet undercurrent to the local economy, which has long been tied to the rich agricultural bounty of St. Clair County. Lebanon traces its roots back to early settlers, its founding a testament to the enduring spirit of those who sought to cultivate this fertile ground. The presence of McKendree University, a venerable institution, lends a scholarly air, its campus a blend of historic stone buildings and modern facilities, a constant reminder of intellectual endeavor in this rural setting. The town’s character is that of a community that values its past while embracing the present, a place where the pace is measured, allowing for the enjoyment of small pleasures, like the way the late afternoon sun casts long, warm shadows across the town square.
| Location | Lebanon, St. Clair County, Illinois |
| Coordinates | 38.603938°N, 89.80732°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 62254 |
| Area Code | 217 |
| Page generated | June 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |