The drive was shut down between Monroe Street and Hollywood Avenue for about two hours with high-standing water making the roadway impassable. The police department had all of the entrances blocked.
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At the height of the flooding, there were some cars submerged at the Montrose and Irving Park viaducts. The drive reopened just after 2:30 a.m.
Motorists are warned to never drive into high standing water and to turn around.
A Flash Flooding Warning was in effect for Cook County until 4:45 a.m. as several inches of rain fell. Most of the rain had moved out of the area by 5 a.m., with just some spotty showers remaining.