May 21, 2025

Six Flags Great America

Information

Crowd level 18%
Prediction error 4%
Crowd level Empty

Events

🔬 Math & Science Days

Temperature, °C (powered by VisualCrossing)

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Forecast average 10.7 °C
Actual average 9.7 °C

Precipitation intensity, millimeters per Hour (powered by VisualCrossing)

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Forecast average 0.35 mm/h
Actual average 0.23 mm/h

Wind speed, meters per second (powered by VisualCrossing)

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Forecast average 5.5 m/s
Actual average 3.6 m/s

Detailed wait times