St. Clair, Missouri — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery for St. Clair, Franklin County.
Flight conditions near St. Clair — sourced from the FAA Aviation Weather Center. Nearest reporting station: locating…
Live animated radar for St. Clair and surroundings — RainViewer.
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St. Clair rests in a landscape where the Ozark foothills begin to soften, a place where the Meramec River, a ribbon of cool, flowing water, has patiently shaped the terrain over millennia. It lies 23.8 miles south-west of Wildwood, MO (from Wildwood, MO: bearing 226°T), and is situated 7.4 miles south-south-east of Union. Rolling hills, cloaked in a dense tapestry of oak and hickory, cradle the town, their slopes descending into fertile valleys. The air here, especially in the early morning, carries the damp, earthy scent of the forest floor, mingling with the fainter, sweeter perfume of wild honeysuckle that often spills over fences in the warmer months. The land itself feels ancient, a quiet witness to the passage of seasons, its geological bones hinting at a deeper, more rugged past beneath the verdant surface. The origins of St. Clair are tied to the fertile banks of the Meramec and the burgeoning railroad lines that once promised connection and commerce. Historically, agriculture and timber played significant roles in its economy, the rich soil yielding crops and the abundant forests providing sustenance and building materials. Today, while still possessing a strong connection to its rural roots, St. Clair has diversified, with small businesses and a growing residential base contributing to its character. The Meramec River remains a central, life-giving feature, offering opportunities for recreation and a constant reminder of the natural forces that have sculpted this corner of Franklin County.
| Location | St. Clair, Franklin County, Missouri |
| Coordinates | 38.345329°N, 90.980974°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 63077 |
| Area Code | 314 |
| Page generated | June 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |