Heavy rainfall fell on Chicago's West Side during a short amount of time Tuesday night, leaving some drivers flooded out in underpasses and several homeowners in ankle-deep water in their basements. A Flash Flood Warning was in effect for several hours before the water receded by early Wednesday morning.

You can get in touch with Joe by emailing [email protected] More than a month's worth of rain fell on Chicago in 90 minutes on Tuesday evening, according to the National Weather Service (NWS).

In parts of Chicago, flash flood alerts rang Tuesday, warning of dangerous conditions as cars were stranded and submerged on highways and water rescues were conducted, but how much rain actually fell across the region and how fast did it all happen?