A surface cyclone accelerated northeast from the southern Plains through central Missouri and the Ohio Valley. An associated warm front lifted northward through the Mid-Mississippi and Lower Ohio Valleys in advance of the surface low. A cold front trailing south from the low surged eastward toward the Lower Mississippi Valley. Lines and clusters of severe storms tracked rapidly eastward, producing locally damaging winds and hail.

Thunderstorm Wind in JOHNSON, ILLINOIS
From 28-FEB-11 02:20:00 to 28-FEB-11 02:20:00 (CST-6)
Location: BUNCOMBE
Magnitude: 70.00 EG
Property damage: 60.00K
Crop damage: 0.00K
Reported by: Newspaper

Several structures were damaged or destroyed on a farm. One machine shed was levelled, with only the north wall left standing. The roofs were blown off two other sheds. Two grain bins were heavily damaged. One of the bins was blown on its side, and the other bin was shifted three feet off its foundation. Part of the roof to one of the sheds was wrapped around a utility pole. The other part of the roof blew across a road and wrapped around a tractor.

Thunderstorm Wind in MASSAC, ILLINOIS
From 28-FEB-11 02:45:00 to 28-FEB-11 03:00:00 (CST-6)
Location: NEW COLUMBIA
Magnitude: 65.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several trees and power lines were down, and a vacant old trailer was blown over on County Road 700E near New Columbia. Debris from the trailer blocked the road. A tree was down on a road near Midway.

Hail in WAYNE, ILLINOIS
From 27-FEB-11 21:54:00 to 27-FEB-11 21:55:00 (CST-6)
Location: WAYNE CITY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Nickel-size hail fell in Fairfield. Dime-size hail fell in southwest portions of the county.

Hail in WAYNE, ILLINOIS
From 28-FEB-11 00:59:00 to 28-FEB-11 00:59:00 (CST-6)
Location: WAYNE CITY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Dime-size hail fell east of the community of Wayne City.

Hail in JEFFERSON, ILLINOIS
From 28-FEB-11 01:01:00 to 28-FEB-11 01:01:00 (CST-6)
Location: MARCOE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Dime-size hail was reported at the intersection of Highway 148 and Interstate 57, just south of Mount Vernon.

Hail in EDWARDS, ILLINOIS
From 28-FEB-11 01:31:00 to 28-FEB-11 01:31:00 (CST-6)
Location: ALBION
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Hail up to the size of dimes fell in the community.

Thunderstorm Wind in WAYNE, ILLINOIS
From 28-FEB-11 00:55:00 to 28-FEB-11 01:12:00 (CST-6)
Location: ORCHARDVILLE
Magnitude: 70.00 EG
Property damage: 60.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

The damage swath extended from Orchardville along and north of Highway 161 to a mile northeast of Mount Erie. Much of the damage was near Cisne, where a house porch was damaged, a large outbuilding was destroyed, and a sign was damaged. A couple of barns and garages were blown over or destroyed. There was minor damage to a couple of sturdier buildings, including a church steeple in Orchardville.  Several trees and power lines were down. A power pole was blown over.

Thunderstorm Wind in WABASH, ILLINOIS
From 28-FEB-11 01:34:00 to 28-FEB-11 01:43:00 (CST-6)
Location: BELLMONT
Magnitude: 56.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Broadcast Media

In Mt. Carmel, wind gusts estimated from 60 to 65 mph destroyed a transformer and downed a large tree. The tree landed on a house, causing some roof damage. A vehicle and a television antenna sustained damage from the tree. In Bellmont, a trained spotter estimated a gust to 60 mph.

Thunderstorm Wind in WAYNE, ILLINOIS
From 28-FEB-11 01:14:00 to 28-FEB-11 01:18:00 (CST-6)
Location: KEENES
Magnitude: 56.00 MG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Measured wind gusts to 65 mph occurred in the community of Smithville, south of Wayne City. The wind gusts lasted three to four minutes. The nearby community of Sims was without power, and tree limbs were down.

Thunderstorm Wind in JEFFERSON, ILLINOIS
From 28-FEB-11 00:45:00 to 28-FEB-11 00:45:00 (CST-6)
Location: MT VERNON
Magnitude: 52.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Law Enforcement

One power pole and power line was down.