An upper-level disturbance triggered a cluster of severe thunderstorms across south-central Illinois during the morning of May 31st.  The storms primarily impacted locations south of the I-70 corridor as they tracked eastward, producing wind gusts of 65-70mph.  Numerous trees and power lines were blown down across Effingham, Clay, Jasper, Richland, Crawford, and Lawrence counties.

Thunderstorm Wind in EFFINGHAM, ILLINOIS
From 31-MAY-18 10:15:00 to 31-MAY-18 10:20:00 (CST-6)
Location: ALTAMONT
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

An 8-inch diameter limb was ripped off a tree.

Thunderstorm Wind in EFFINGHAM, ILLINOIS
From 31-MAY-18 10:20:00 to 31-MAY-18 10:25:00 (CST-6)
Location: EDGEWOOD
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous small tree branches were blown down.

Thunderstorm Wind in EFFINGHAM, ILLINOIS
From 31-MAY-18 10:23:00 to 31-MAY-18 10:28:00 (CST-6)
Location: ALTAMONT
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A two-inch diameter tree branch approximately 10 to 12 inches long was blown down.

Thunderstorm Wind in CLAY, ILLINOIS
From 31-MAY-18 10:01:00 to 31-MAY-18 10:06:00 (CST-6)
Location: FLORA
Magnitude: 61.00 EG
Property damage: 175.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous trees and power lines were blown down around Flora.  Some large trees fell onto houses.

Thunderstorm Wind in CLAY, ILLINOIS
From 31-MAY-18 10:03:00 to 31-MAY-18 10:08:00 (CST-6)
Location: XENIA
Magnitude: 61.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Multiple trees were blown down in Xenia.

Thunderstorm Wind in RICHLAND, ILLINOIS
From 31-MAY-18 10:09:00 to 31-MAY-18 10:14:00 (CST-6)
Location: OLNEY
Magnitude: 61.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

A pine tree was blown onto a house and another tree was blown across a driveway in Olney.

Thunderstorm Wind in RICHLAND, ILLINOIS
From 31-MAY-18 10:15:00 to 31-MAY-18 10:20:00 (CST-6)
Location: WAKEFIELD
Magnitude: 61.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A power pole was blown down.

Thunderstorm Wind in CLAY, ILLINOIS
From 31-MAY-18 10:22:00 to 31-MAY-18 10:27:00 (CST-6)
Location: LOUISVILLE
Magnitude: 61.00 EG
Property damage: 45.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Numerous small trees were blown down and a barn was severely damaged.

Thunderstorm Wind in LAWRENCE, ILLINOIS
From 31-MAY-18 10:23:00 to 31-MAY-18 10:28:00 (CST-6)
Location: SUMNER
Magnitude: 61.00 EG
Property damage: 40.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees were blown down in Sumner.

Thunderstorm Wind in LAWRENCE, ILLINOIS
From 31-MAY-18 10:28:00 to 31-MAY-18 10:33:00 (CST-6)
Location: BRIDGEPORT
Magnitude: 61.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees were blown down in Bridgeport.

Thunderstorm Wind in LAWRENCE, ILLINOIS
From 31-MAY-18 10:32:00 to 31-MAY-18 10:37:00 (CST-6)
Location: LAWRENCEVILLE
Magnitude: 61.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees and power lines were blown down across Lawrenceville.

Thunderstorm Wind in CRAWFORD, ILLINOIS
From 31-MAY-18 10:35:00 to 31-MAY-18 10:40:00 (CST-6)
Location: ROBINSON
Magnitude: 61.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees and tree branches were blown down across Crawford County.

Thunderstorm Wind in CLARK, ILLINOIS
From 31-MAY-18 11:18:00 to 31-MAY-18 11:23:00 (CST-6)
Location: YORK
Magnitude: 61.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Public

Several large tree branches were blown down.

Thunderstorm Wind in JASPER, ILLINOIS
From 31-MAY-18 10:45:00 to 31-MAY-18 10:50:00 (CST-6)
Location: BOOS
Magnitude: 61.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A semi-trailer was blown over about 7 miles south of Newton, injuring the driver.