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Rosemont, Illinois Weather

Rosemont, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery for Rosemont, St. Clair County.

🌡️ Current Conditions
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24-Hour Forecast
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Current Conditions Detail
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7-Day Forecast
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✈️ Aviation Weather

Flight conditions near Rosemont — sourced from the FAA Aviation Weather Center. Nearest reporting station: locating…

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NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Rosemont and surroundings — RainViewer.

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🛰️ Satellite Imagery

NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.

NOAA GOES-16 CONUS GEOCOLOR satellite animated loop
🛰️ GEOCOLOR loop 🌡️ Infrared (IR) 🌀 NHC Hurricane Satellite 🔗 NOAA Full Viewer

Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload

🌙 Astronomy
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About Rosemont, Illinois

Rosemont unfolds across a landscape shaped by the patient hand of the Mississippi River’s tributaries. It lies 2.9 miles east of East Saint Louis, IL (from East Saint Louis, IL: bearing 87°T), and is situated 5.4 miles east of St. Louis. Gentle slopes, cloaked in a verdant tapestry of deciduous trees, descend towards the meandering waterways that define the region’s hydrology. The air here carries the damp, fertile scent of rich soil, a fragrance that deepens with the coming of twilight when the western sky bleeds into hues of bruised plum and soft amber. Sunlight, when it breaks through the canopy, casts a dappled, almost liquid light upon the undergrowth, revealing the subtle textures of moss-covered stones and the sturdy resilience of wild flora. The land itself seems to breathe, a quiet exhalation of green and brown under the vast, ever-shifting Illinois sky. The history of Rosemont is a story whispered by the land and the industry that once thrived here. For generations, the fertile ground supported agriculture, its fields yielding crops that fed the nation, a legacy still evident in the quiet hum of farm equipment during harvest season. Echoes of a more industrial past can be found in the weathered remnants of structures that once supported the extraction and processing of local resources, their skeletal forms a stoic reminder of bygone endeavors. Though the primary economic drivers have evolved, a sense of enduring community persists, a quiet testament to the resilience of its people. The rhythm of life in Rosemont is measured, not by the hurried pulse of a metropolis, but by the slow, deliberate turning of the seasons and the steady flow of the nearby creeks.

LocationRosemont, St. Clair County, Illinois
Coordinates38.626995°N, 90.09733°W
TimezoneCentral Time (America/Chicago)
Area Code217, 224, 309, 312, 331, 447, 464, 618, 630, 708, 773, 779, 815, 847, 872
Page generatedJune 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service