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Cahokia, Illinois Weather

Cahokia, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery for Cahokia, 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 Cahokia — 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 Cahokia 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 Cahokia, Illinois

Cahokia lies in a landscape shaped by ancient waters and the persistent sweep of the prairie wind. It lies 3.9 miles south of Saint Louis, MO (from Saint Louis, MO: bearing 174°T), and is situated 3.9 miles south of St. Louis. Low-lying ground, sometimes prone to the Mississippi's embrace, gives way to gentle rises that would have offered vantage points to those who first walked this earth. The air here often carries the scent of damp earth and distant industrial hum, a subtle counterpoint to the vast, open sky that stretches overhead, especially potent in the pale, washed light of late afternoon. The terrain, a mosaic of fertile bottomlands and slightly elevated terraces, speaks of a place where water has always been a defining force, carving and depositing, shaping the very character of the land. This is a place with deep roots, where echoes of a vanished civilization linger in the very soil. Cahokia was once the heart of a vast Indigenous metropolis, a center of trade and ceremony that predates European arrival by centuries. Later, the fertile lands attracted settlers drawn to agriculture, and for a time, the rhythm of life here was dictated by the planting and harvesting of crops. Today, the local economy is a more complex affair, a blend of industry and the ongoing legacy of its historical significance, attracting visitors keen to explore the remnants of its remarkable past and understand the enduring connection between this land and its ancient inhabitants.

LocationCahokia, St. Clair County, Illinois
Coordinates38.570885°N, 90.190111°W
TimezoneCentral Time (America/Chicago)
ZIP Code(s)62206
Area Code217
Page generatedJune 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service