Collinsville, Illinois Weather
Collinsville, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery for Collinsville, Madison County.
Flight conditions near Collinsville. Data source: locating…
About Collinsville, Illinois
Collinsville unfolds across a landscape of gentle, rolling terrain, where the wide Illinois sky seems to press down with a steady, benevolent weight. It lies 6.7 miles north-west of O'Fallon, IL (from O'Fallon, IL: bearing 324°T), and is situated 6.8 miles north-west of O Fallon. Here, the earth, a rich, dark loam, yields readily to cultivation, bordered by the occasional cluster of mature oak and maple trees that offer a welcome, dappled shade. The air, especially in the late afternoon, carries the faint, earthy scent of turned soil and distant, ripening corn, a subtle perfume that speaks of the agricultural heart of this place. The streets of Collinsville themselves possess a comfortable, unpretentious order, a grid laid out with a practical hand, leading the eye toward the horizon where the land continues its patient, unhurried spread. The very foundations of Collinsville are rooted in the deep veins of coal that once pulsed beneath this ground, a history that shaped its early identity and the hardy character of its people. Though the mines have long since fallen silent, their legacy remains, a quiet hum in the town's collective memory, an understanding of hard work and resilience. Today, Collinsville’s economy is more diverse, drawing strength from its proximity to larger urban centers and its own thriving local businesses, from diners serving hearty breakfasts to specialized shops that cater to the needs of the surrounding agricultural communities. The iconic Cahokia Mounds State Historic Site, a UNESCO World Heritage Site, stands as a profound reminder of the ancient peoples who once inhabited this land, offering a breathtaking glimpse into a civilization that predates written history, a stark and beautiful contrast to the more recent narrative of industry and settlement that defines Collinsville.
Live animated radar for Collinsville 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 | Collinsville, Madison County, Illinois |
| Coordinates | 38.670327°N, 89.984548°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 62234 |
| Area Code | 217 |
| Page generated | July 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Collinsville, Illinois Weather Page
This page provides live weather conditions and forecasts for Collinsville, Illinois, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modeled estimate shown when no station is in range), precipitation radar and NOAA GOES-16 satellite imagery. 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 Collinsville includes coordinates 38.670327°N, 89.984548°W, situated in Madison County. ZIP code 62234. Telephone area code: 217. Timezone: Central Time (America/Chicago).
Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. Aviation data is sourced from aviationweather.gov (NOAA), with a modeled estimate used where no nearby reporting station is available. 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.
