A strong weather system moved through the region, triggering showers and thunderstorms.  There were numerous reports of large hail, as well as damaging winds and three tornadoes.

Hail in JERSEY, ILLINOIS
From 10-APR-13 14:36:00 to 10-APR-13 14:36:00 (CST-6)
Location: ELSAH
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MACOUPIN, ILLINOIS
From 10-APR-13 15:10:00 to 10-APR-13 15:10:00 (CST-6)
Location: BRIGHTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm Wind in MACOUPIN, ILLINOIS
From 10-APR-13 15:12:00 to 10-APR-13 15:12:00 (CST-6)
Location: WOODBURN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds snapped off the tops of a couple of trees along Brighton Bunker Hill Road about halfway between Brighton and Bunker Hill.

Hail in MADISON, ILLINOIS
From 10-APR-13 15:23:00 to 10-APR-13 15:23:00 (CST-6)
Location: GODFREY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in MADISON, ILLINOIS
From 10-APR-13 19:12:00 to 10-APR-13 19:12:00 (CST-6)
Location: EAST ALTON
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Thunderstorm winds blew down numerous large tree limbs around Wood River and snapped a power pole.

Thunderstorm Wind in MACOUPIN, ILLINOIS
From 10-APR-13 19:15:00 to 10-APR-13 19:15:00 (CST-6)
Location: BRIGHTON
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds uprooted a six foot tall spruce tree and knocked a few shingles off of a nearby house.

Thunderstorm Wind in MADISON, ILLINOIS
From 10-APR-13 19:12:00 to 10-APR-13 19:12:00 (CST-6)
Location: MARYLAND PLACE
Magnitude: 65.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm Wind in MACOUPIN, ILLINOIS
From 10-APR-13 19:28:00 to 10-APR-13 19:28:00 (CST-6)
Location: DORCHESTER
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm winds blew down a couple of two foot diameter trees next to Illinois Route 159 about 1.5 miles south of intersection with Illinois Route 16.

Thunderstorm Wind in MADISON, ILLINOIS
From 10-APR-13 19:29:00 to 10-APR-13 19:29:00 (CST-6)
Location: EDWARDSVILLE
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in MACOUPIN, ILLINOIS
From 10-APR-13 19:35:00 to 10-APR-13 19:35:00 (CST-6)
Location: BENLD
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds blew an anchored 10 foot by 10 10 foot metal shed approximately 300 feet.

Thunderstorm Wind in MONTGOMERY, ILLINOIS
From 10-APR-13 19:45:00 to 10-APR-13 19:45:00 (CST-6)
Location: LITCHFIELD MUNI ARPT
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Thunderstorm winds blew down a large tree in town which knocked down some power lines.

Thunderstorm Wind in MONTGOMERY, ILLINOIS
From 10-APR-13 19:55:00 to 10-APR-13 19:55:00 (CST-6)
Location: BUTLER
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds caused minor roof damage to a home on Witt Avenue just east of Illinois Route 127.

Hail in MACOUPIN, ILLINOIS
From 10-APR-13 15:30:00 to 10-APR-13 15:31:00 (CST-6)
Location: BRIGHTON
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MARION, ILLINOIS
From 10-APR-13 15:34:00 to 10-APR-13 15:34:00 (CST-6)
Location: KELL
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MARION, ILLINOIS
From 10-APR-13 16:06:00 to 10-APR-13 16:06:00 (CST-6)
Location: KELL
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MACOUPIN, ILLINOIS
From 10-APR-13 15:52:00 to 10-APR-13 15:52:00 (CST-6)
Location: CARLINVILLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm Wind in MADISON, ILLINOIS
From 10-APR-13 19:13:00 to 10-APR-13 19:13:00 (CST-6)
Location: GODFREY
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm winds blew down several large trees and numerous tree limbs around Godfrey.