A deepening low pressure system tracking from Kansas to Wisconsin brought unseasonably warm and moist air northward into central Illinois on December 23rd.  A line of thunderstorms developed in a modestly unstable and highly sheared environment well ahead of an advancing cold front during the morning and early afternoon.  Some of the storm produced damaging wind gusts of 60-70 mph, particularly east of the I-55 corridor.

Thunderstorm Wind in DOUGLAS, ILLINOIS
From 23-DEC-15 10:45:00 to 23-DEC-15 10:50:00 (CST-6)
Location: CAMARGO
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tree was blown down across Route 130 about 2 miles south of Villa Grove.

Thunderstorm Wind in SHELBY, ILLINOIS
From 23-DEC-15 09:40:00 to 23-DEC-15 09:45:00 (CST-6)
Location: SHELBYVILLE
Magnitude: 52.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several small trees were blown over.

Thunderstorm Wind in SHELBY, ILLINOIS
From 23-DEC-15 09:50:00 to 23-DEC-15 09:55:00 (CST-6)
Location: SHELBYVILLE
Magnitude: 52.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A shed was blown down.

Thunderstorm Wind in MACON, ILLINOIS
From 23-DEC-15 09:57:00 to 23-DEC-15 10:02:00 (CST-6)
Location: OAKLEY
Magnitude: 61.00 EG
Property damage: 65.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Shingles were blown off the roof of a house and two sheds were knocked down.

Thunderstorm Wind in MACON, ILLINOIS
From 23-DEC-15 09:58:00 to 23-DEC-15 10:03:00 (CST-6)
Location: OAKLEY
Magnitude: 61.00 EG
Property damage: 40.00K
Crop damage: 0.00K
Reported by: Broadcast Media

The roof of a church was partially blown off.

Thunderstorm Wind in DE WITT, ILLINOIS
From 23-DEC-15 10:04:00 to 23-DEC-15 10:09:00 (CST-6)
Location: DE WITT
Magnitude: 61.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A grain bin was thrown into a field.

Thunderstorm Wind in PIATT, ILLINOIS
From 23-DEC-15 10:07:00 to 23-DEC-15 10:12:00 (CST-6)
Location: MILMINE
Magnitude: 61.00 EG
Property damage: 75.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees and power lines were blown down and a carport was damaged.

Thunderstorm Wind in MOULTRIE, ILLINOIS
From 23-DEC-15 10:15:00 to 23-DEC-15 10:20:00 (CST-6)
Location: CHIPPS
Magnitude: 61.00 EG
Property damage: 12.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A semi was blown over on Cadwell Road between Cadwell and Sullivan.

Thunderstorm Wind in CHAMPAIGN, ILLINOIS
From 23-DEC-15 10:35:00 to 23-DEC-15 10:40:00 (CST-6)
Location: FOOSLAND
Magnitude: 61.00 EG
Property damage: 65.00K
Crop damage: 0.00K
Reported by: County Official

Six power poles were blown down.

Thunderstorm Wind in CLAY, ILLINOIS
From 23-DEC-15 12:10:00 to 23-DEC-15 12:15:00 (CST-6)
Location: XENIA
Magnitude: 61.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A 40 by 80-foot barn was damaged on Butternut Road about 4 miles north of Xenia.  The barn doors were blown in on the south side, the east wall was bowed out, and the roof was partially torn off.

Thunderstorm Wind in JASPER, ILLINOIS
From 23-DEC-15 12:35:00 to 23-DEC-15 12:40:00 (CST-6)
Location: NEWTON
Magnitude: 61.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Public

Minor damage to the roof of a house and a carport occurred on Davis Street in Newton.

Thunderstorm Wind in RICHLAND, ILLINOIS
From 23-DEC-15 12:42:00 to 23-DEC-15 12:47:00 (CST-6)
Location: PARKERSBURG
Magnitude: 61.00 EG
Property damage: 35.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Seven trees were uprooted and windows were blown out of a house.  Grain bins and a storage shed were also damaged.

Thunderstorm Wind in CRAWFORD, ILLINOIS
From 23-DEC-15 13:00:00 to 23-DEC-15 13:05:00 (CST-6)
Location: ROBINSON
Magnitude: 61.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several trees and tree branches were blown down in Robinson.

Thunderstorm Wind in LAWRENCE, ILLINOIS
From 23-DEC-15 13:06:00 to 23-DEC-15 13:11:00 (CST-6)
Location: LAWRENCEVILLE
Magnitude: 61.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: State Official

Two Ameren power poles were snapped off at the ground.

Thunderstorm Wind in PIATT, ILLINOIS
From 23-DEC-15 10:00:00 to 23-DEC-15 10:05:00 (CST-6)
Location: CERRO GORDO
Magnitude: 61.00 EG
Property damage: 45.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several trees were blown down and a pole barn was damaged along Route 105.