June 21, 2026

Six Flags Great America

Information

Crowd level 3%
Prediction error 46%
Crowd level Empty

Temperature, °C (powered by VisualCrossing)

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Actual average 16.5 °C

Precipitation intensity, millimeters per hour (powered by VisualCrossing)

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Actual average 0.66 mm/h

Wind speed, meters per second (powered by VisualCrossing)

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Actual average 2.8 m/s

Detailed wait times