Rosemont, Illinois Weather
Rosemont, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for Rosemont, St. Clair County.
Full aviation weather for Rosemont is published on the St Louis Downtown Airport (KCPS) page, 8 km away. It carries the current METAR decoded into plain language — surface wind, visibility, cloud layers and ceiling, temperature and dewpoint, and altimeter setting — alongside the raw observation as transmitted. 6 airfields within reach of Rosemont have their own pages, listed below.
The Terminal Aerodrome Forecast (TAF) is shown across its full validity period, with each change group broken out so you can see when conditions are expected to shift. Flight category is derived automatically — VFR, MVFR, IFR or LIFR — from reported ceiling and visibility, with runway details and field elevation alongside. Observations update roughly hourly and forecasts several times a day.
Other airports near Rosemont: St. Louis Lambert International Airport (KSTL) 27 km · St Louis Regional Airport (KALN) 30 km · Creve Coeur Airport (K1H0) 37 km · St Charles County Regional Airport/Smartt Field (KSET) 44 km · Spirit of St Louis Airport (KSUS) 48 km
Conditions reported at KCPS describe the airfield itself. Weather 8 km away can differ, particularly in terrain or near the coast. For conditions at Rosemont specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Rosemont.
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.
Live animated radar for Rosemont and surroundings — RainViewer.
NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.
Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload
| Location | Rosemont, St. Clair County, Illinois |
| Coordinates | 38.626995°N, 90.09733°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 62204, 60018 |
| Area Code | 217, 312, 773 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Rosemont, Illinois Weather Page
This page provides live weather conditions and forecasts for Rosemont, Illinois, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, precipitation radar and NOAA GOES-16 satellite imagery. Aviation weather — live METAR observations and TAF forecasts — is published separately on the pages for the nearest reporting airports, linked from the aviation section above. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.
Location data for Rosemont includes coordinates 38.626995°N, 90.097330°W, situated in St. Clair County. ZIP code 62204, 60018. Telephone area code: 217, 312, 773. Timezone: Central Time (America/Chicago).
Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.
