A severe MCS moved through the forecast area during the afternoon hours producing widespread 60-70mph winds and associated damage. The complex moved to the southeast taking advantage of 3500-4500 J/kg of surface-based CAPE.

Thunderstorm Wind in MARION, ILLINOIS
From 29-JUL-23 16:25:00 to 29-JUL-23 16:45:00 (CST-6)
Location: JUNCTION CITY
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Widespread wind damage across the southern half of Marion County. Numerous tree limbs, power lines and trees were blown down in Sandoval, Junction City, Centralia, Odin, Salem, Cartter and Kell. About three miles south of Odin, a large tree fell onto an occupied mobile home. Three people were in the mobile home at the time, but were able to escape with only minor injuries.

Thunderstorm Wind in FAYETTE, ILLINOIS
From 29-JUL-23 16:50:00 to 29-JUL-23 16:50:00 (CST-6)
Location: SHOBONIER
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A large tree was blown down onto a power line.

Thunderstorm Wind in JERSEY, ILLINOIS
From 29-JUL-23 14:53:00 to 29-JUL-23 14:55:00 (CST-6)
Location: NUTWOOD
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm winds blew down several large trees along Illinois Route 16 just west of Fieldon.

Thunderstorm Wind in ST. CLAIR, ILLINOIS
From 29-JUL-23 15:35:00 to 29-JUL-23 15:50:00 (CST-6)
Location: SMITHTON
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Thunderstorm winds blew down numerous large tree limbs and power lines in Smithton, New Athens, Lenzburg and Marissa.

Thunderstorm Wind in MONROE, ILLINOIS
From 29-JUL-23 15:13:00 to 29-JUL-23 15:17:00 (CST-6)
Location: WARNOCK
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm Wind in MADISON, ILLINOIS
From 29-JUL-23 15:20:00 to 29-JUL-23 15:22:00 (CST-6)
Location: EAST ALTON
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds blew down numerous large tree limbs around town as well as a few power lines.

Thunderstorm Wind in ST. CLAIR, ILLINOIS
From 29-JUL-23 15:05:00 to 29-JUL-23 15:40:00 (CST-6)
Location: EAST ST LOUIS
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Widespread damage was reported across St. Clair County. Numerous large tree limbs and power lines were blown down as well as a few large trees. Damage was reported in East St. Louis, Fairmont City, Washington Park, Caseyville, Fairview Heights, O'Fallon, Lebanon, Belleville, Swansea, Shiloh and Mascoutah.

Thunderstorm Wind in MADISON, ILLINOIS
From 29-JUL-23 15:35:00 to 29-JUL-23 15:50:00 (CST-6)
Location: TROY
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Numerous large tree limbs and power lines were blown down between Troy and Highland. Also, in Highland four power poles were snapped off.

Thunderstorm Wind in CLINTON, ILLINOIS
From 29-JUL-23 15:55:00 to 29-JUL-23 16:25:00 (CST-6)
Location: ST ROSE
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Widespread wind damage across the northern half of Clinton County. Numerous large tree limbs, power lines and trees were blown down in Jamestown, Breese, Carlyle, and Keyesport.

Thunderstorm Wind in BOND, ILLINOIS
From 29-JUL-23 16:10:00 to 29-JUL-23 16:25:00 (CST-6)
Location: POCAHONTAS
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds blew down several road signs in Pocahontas. In Greenville, several large trees and numerous tree limbs were blown down.

Thunderstorm Wind in WASHINGTON, ILLINOIS
From 29-JUL-23 16:10:00 to 29-JUL-23 16:25:00 (CST-6)
Location: OKAWVILLE
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Widespread wind damage along the I-64 corridor in Washington County. Numerous tree limbs, power lines and several large trees were blown down in Okawville, Nashville and New Minden.

Thunderstorm Wind in MADISON, ILLINOIS
From 29-JUL-23 14:57:00 to 29-JUL-23 15:17:00 (CST-6)
Location: MADISON
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Thunderstorm winds blew down numerous large tree limbs in Granite City and Collinsville.

Thunderstorm Wind in RANDOLPH, ILLINOIS
From 29-JUL-23 15:50:00 to 29-JUL-23 16:00:00 (CST-6)
Location: HOUSTON
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Widespread damage in the eastern half of Randolph County. Numerous trees, tree limbs and power lines were blown down in Houston, Sparta and Coulterville. In Steeleville, a couple of power poles were blown down.