Scattered showers and thunderstorms developed ahead of a cold front during the afternoon of June 27th.  Damaging wind wind gusts and heavy rainfall accompanied the stronger storms.  In addition, lightning strikes caused a structure fire in Shelby County and damaged power poles in Jasper County.

Thunderstorm Wind in SCOTT, ILLINOIS
From 27-JUN-10 16:30:00 to 27-JUN-10 16:31:00 (CST-6)
Location: WINCHESTER
Magnitude: 52.00 EG
Property damage: 12.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several tree limbs and one power line were blown down.

Thunderstorm Wind in EFFINGHAM, ILLINOIS
From 27-JUN-10 17:42:00 to 27-JUN-10 17:43:00 (CST-6)
Location: ALTAMONT
Magnitude: 52.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Newspaper

A large tree was blown down onto power lines along US Route 40 near Altamont.

Thunderstorm Wind in EFFINGHAM, ILLINOIS
From 27-JUN-10 17:45:00 to 27-JUN-10 17:46:00 (CST-6)
Location: EFFINGHAM
Magnitude: 52.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous tree limbs were blown down in Effingham.  Spotty power outages were also reported around town.

Thunderstorm Wind in EFFINGHAM, ILLINOIS
From 27-JUN-10 17:50:00 to 27-JUN-10 17:51:00 (CST-6)
Location: WATSON
Magnitude: 52.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tree was blown down across IL Route 37 1 mile east of Watson.

Thunderstorm Wind in EFFINGHAM, ILLINOIS
From 27-JUN-10 17:56:00 to 27-JUN-10 17:57:00 (CST-6)
Location: EFFINGHAM
Magnitude: 52.00 EG
Property damage: 12.00K
Crop damage: 0.00K
Reported by: Mesonet

Several tree limbs were blown down and a tent collapsed at a church picnic.

Thunderstorm Wind in CRAWFORD, ILLINOIS
From 27-JUN-10 18:43:00 to 27-JUN-10 18:44:00 (CST-6)
Location: OBLONG
Magnitude: 52.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Newspaper

Several power poles were blown down along North 25th Street just north of Oblong.

Thunderstorm Wind in CRAWFORD, ILLINOIS
From 27-JUN-10 18:45:00 to 27-JUN-10 18:46:00 (CST-6)
Location: BELLAIR
Magnitude: 52.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several power lines were blown down.

Thunderstorm Wind in JASPER, ILLINOIS
From 27-JUN-10 18:45:00 to 27-JUN-10 18:46:00 (CST-6)
Location: YALE
Magnitude: 52.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous power lines and poles were blown down.

Thunderstorm Wind in RICHLAND, ILLINOIS
From 27-JUN-10 20:20:00 to 27-JUN-10 20:21:00 (CST-6)
Location: OLNEY
Magnitude: 52.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tree was blown down across Silver Street in Olney.

Lightning in SHELBY, ILLINOIS
From 27-JUN-10 16:25:00 to 27-JUN-10 16:25:00 (CST-6)
Location: WINDSOR
Property damage: 45.00K
Crop damage: 0.00K
Reported by: Newspaper

Lightning struck a dairy barn, which started a fire. The barn was destroyed. No livestock were harmed in the fire.

Flash Flood in EFFINGHAM, ILLINOIS
From 27-JUN-10 19:30:00 to 28-JUN-10 00:00:00 (CST-6)
Location: MOCCASIN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Heavy rain with amounts ranging from 1.50 to 2.50 inches was measured within two hours during the evening. Some street flooding was observed in the city of Effingham. However, the biggest impact was to rural roads from Altamont to Watson where flash flooding made them impassable.

Flash Flood in CRAWFORD, ILLINOIS
From 27-JUN-10 22:00:00 to 28-JUN-10 03:00:00 (CST-6)
Location: LANDES
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Around 2.00 of rain in 90 minutes resulted in flash flooding of roads in a small part of southeast Crawford County. Rural roads around Flat Rock, as well as State Highway 1, were impassable due to the heavy rain and flooding.

Flash Flood in LAWRENCE, ILLINOIS
From 27-JUN-10 22:00:00 to 28-JUN-10 03:00:00 (CST-6)
Location: CHAUNCEY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Around 2.00 of rain in 90 minutes resulted in flash flooding of roads in a small part of northern Lawrence County. Rural roads from Chauncey to Birds, as well as a portion of State Highway 1, were impassable due to the heavy rain and flooding.

Thunderstorm Wind in SHELBY, ILLINOIS
From 27-JUN-10 16:12:00 to 27-JUN-10 16:13:00 (CST-6)
Location: SHELBYVILLE
Magnitude: 52.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A tree was blown onto Copeland Road 3 miles south of Shelbyville.

Hail in SHELBY, ILLINOIS
From 27-JUN-10 15:36:00 to 27-JUN-10 15:37:00 (CST-6)
Location: SHELBYVILLE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement