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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.

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

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

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🌿 Air Quality
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NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Collinsville 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

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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.

LocationCollinsville, Madison County, Illinois
Coordinates38.670327°N, 89.984548°W
TimezoneCentral Time (America/Chicago)
ZIP Code(s)62234
Area Code217
Page generatedJune 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service