A cluster of strong thunderstorms brought damaging winds, torrential rainfall, and flash flooding to parts of northern Illinois during the afternoon and evening of July 5. Several rain gauges around the area recorded one to two inches of rain within a 30 minute period underneath some of these storms. The city of Chicago and its near-south and near-west suburbs were the areas hit hardest. Numerous reports were received of flooded roads, including a number of residential streets. Additionally, two firefighters were injured battling a fire caused by lightning striking a townhouse.

Flash Flood in COOK, ILLINOIS
From 05-JUL-23 18:30:00 to 05-JUL-23 22:00:00 (CST-6)
Location: CALUMET CITY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Flooding was reported on State Line Road near Russell Street between Calumet City and Hammond.

Thunderstorm Wind in COOK, ILLINOIS
From 05-JUL-23 13:54:00 to 05-JUL-23 13:54:00 (CST-6)
Location: MORTON GROVE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Local broadcast media relayed a report of multiple tree branches down in Morton Grove near Frontage Rd and I-94.

Thunderstorm Wind in COOK, ILLINOIS
From 05-JUL-23 13:56:00 to 05-JUL-23 13:56:00 (CST-6)
Location: WEST ROSELAND
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A large tree had fallen and landed on a building in the Roseland neighborhood of Chicago.

Thunderstorm Wind in COOK, ILLINOIS
From 05-JUL-23 14:09:00 to 05-JUL-23 14:09:00 (CST-6)
Location: MATTESON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Downed power poles were reported out of Matteson.

Heavy Rain in COOK, ILLINOIS
From 05-JUL-23 17:30:00 to 05-JUL-23 17:45:00 (CST-6)
Location: WICKER PARK
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A private weather station, KILCHICA867, recorded 1.8 inches of rainfall in a 15 minute period.

Heavy Rain in COOK, ILLINOIS
From 05-JUL-23 17:00:00 to 05-JUL-23 18:15:00 (CST-6)
Location: MIDLOTHIAN
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A private weather station, KILMIDLO4, recorded about 2 inches of rainfall in a 30 minute period.

Heavy Rain in COOK, ILLINOIS
From 05-JUL-23 17:00:00 to 05-JUL-23 17:30:00 (CST-6)
Location: BRIDGEVIEW
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A private weather station, KILBRIDG4 , recorded 1.3 inches of rainfall in a 30 minute period.

Heavy Rain in COOK, ILLINOIS
From 05-JUL-23 16:45:00 to 05-JUL-23 18:00:00 (CST-6)
Location: LEMONT
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A private weather station, KILLOCKP56 , recorded over 2 inches of rainfall in a 30 minute period.

Thunderstorm Wind in COOK, ILLINOIS
From 05-JUL-23 18:15:00 to 05-JUL-23 18:15:00 (CST-6)
Location: LANSING
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A 15 inch diameter tree was downed near 182nd St and Violet Rd in Lansing.

Thunderstorm Wind in KANE, ILLINOIS
From 05-JUL-23 16:47:00 to 05-JUL-23 16:47:00 (CST-6)
Location: AURORA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency management reported numerous trees and power lines down across Aurora.

Flash Flood in COOK, ILLINOIS
From 05-JUL-23 18:20:00 to 05-JUL-23 22:00:00 (CST-6)
Location: CALUMET PARK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Multiple public reports were received of flooding of travel lanes on I-57 southbound between Chicago and Blue Island. Traffic cameras showed standing water and slow traffic.

Flash Flood in COOK, ILLINOIS
From 05-JUL-23 18:30:00 to 05-JUL-23 22:00:00 (CST-6)
Location: LANSING
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Street flooding was reported near 178th St and Burnham Ave in Lansing.

Thunderstorm Wind in COOK, ILLINOIS
From 05-JUL-23 18:05:00 to 05-JUL-23 18:05:00 (CST-6)
Location: STONY ISLAND
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A large tree branch was blown down and blocking 101st St and Torrence Ave in the Vet's Park neighborhood of Chicago.

Lightning in KANE, ILLINOIS
From 05-JUL-23 18:00:00 to 05-JUL-23 18:00:00 (CST-6)
Location: GENEVA
Property damage: 700.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Lightning struck a townhouse in St Charles causing a fire to break out. The fire spread into the next townhouse severely damaging both buildings. Two firefighters were injured while battling the fire. The exact extent of their injuries is unknown, but both of them were released from the hospital within the next day. Damages were estimated at more than $700,000.

Flash Flood in KANE, ILLINOIS
From 05-JUL-23 16:50:00 to 05-JUL-23 22:00:00 (CST-6)
Location: ELBURN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several inches of standing water were reported south of Elgin on IL Route 47 south of Smith Road.

Flash Flood in COOK, ILLINOIS
From 05-JUL-23 18:20:00 to 05-JUL-23 22:00:00 (CST-6)
Location: BROOKFIELD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Flooding occurred underneath an overpass on Ogden Ave just east of US Route 45 in La Grange.

Heavy Rain in COOK, ILLINOIS
From 05-JUL-23 17:45:00 to 05-JUL-23 18:15:00 (CST-6)
Location: CRESTWOOD
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Other Federal Agency

A USGS rain gauge at Alsip recorded 1.7 inches in a 30 minute period.