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How much rain fell in southwestern Illinois since Thursday?

Between 2 and 3 inches of rain fell over the past two days in southwestern Illinois, including in Cahokia Heights, where a neighborhood street flooded.

The first wave of rain started Thursday evening. A second round hit the region on Friday.

Meteorologist Jared Maples said the National Weather Service’s St. Louis office recorded the following rainfall totals by town:

  • Chester and Ruma in Randolph County: 3.5 to 3.75 inches

  • Cahokia Heights and East St. Louis in St. Clair County: just under 2.9 inches

  • Edwardsville, Granite City, Highland and Troy in Madison County: 2.25 to 2.75 inches

  • Belleville, Mascoutah and St. Libory in St. Clair County: 2.5 inches

  • St. Louis Lambert International Airport: just under 2.5 inches

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Residents who live on Piat Place and 62nd Street in the former Centreville area of Cahokia Heights reported stormwater flooding their streets to city officials on Friday morning, according to Equity Legal Services lawyer Nicole Nelson.

She is representing Cahokia Heights residents in a pair of lawsuits over chronic flooding and sewage backups, along with Kalila Jackson from the Metropolitan St. Louis Equal Housing and Opportunity Council and lawyers from the environmental law nonprofit Earthjustice.

The residents asked the city to help by pumping water out of their neighborhood like it did after another storm March 3. City workers responded to the area on Friday.