Showers and thunderstorms redeveloped across parts of eastern Iowa and northwest Illinois during the evening of June 8 and early morning hours of June 9, as a cold front moved across the Mississippi River Valley Region. Some of the thunderstorms were severe, producing large hail and gusty winds.

Thunderstorm Wind in JO DAVIESS, ILLINOIS
From 08-JUN-11 20:27:00 to 08-JUN-11 20:27:00 (CST-6)
Location: HANOVER
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts estimated to be 70 mph blew down numerous trees near Hanover, IL at 927 pm CDT June 8.

Thunderstorm Wind in JO DAVIESS, ILLINOIS
From 08-JUN-11 20:25:00 to 08-JUN-11 20:25:00 (CST-6)
Location: HANOVER
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts estimated to be 65 mph blew a large maple tree down about 1 mile east southeast of Hanover, IL at 925 pm CDT June 8.  Some lawn furniture was also blown around the yard of the residence.

Thunderstorm Wind in STEPHENSON, ILLINOIS
From 08-JUN-11 20:31:00 to 08-JUN-11 20:31:00 (CST-6)
Location: WADDAMS GROVE
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A 62 mph wind gust was recorded about 5 miles northwest of Lena, IL at 931 pm CDT June 8.

Hail in STEPHENSON, ILLINOIS
From 08-JUN-11 20:32:00 to 08-JUN-11 20:32:00 (CST-6)
Location: ORANGEVILLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Quarter sized hail fell in Orangeville, IL at 932 pm CDT June 8.

Thunderstorm Wind in STEPHENSON, ILLINOIS
From 08-JUN-11 20:32:00 to 08-JUN-11 20:32:00 (CST-6)
Location: LENA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts estimated to be 60 mph blew down several tree branches in Lena, IL at 932 pm CDT June 8.

Thunderstorm Wind in STEPHENSON, ILLINOIS
From 08-JUN-11 20:32:00 to 08-JUN-11 20:32:00 (CST-6)
Location: LENA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts estimated to be 60 mph were observed in Lena, IL at 932 pm CDT June 8.

Thunderstorm Wind in STEPHENSON, ILLINOIS
From 08-JUN-11 20:54:00 to 08-JUN-11 20:54:00 (CST-6)
Location: ROCK CITY
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Wind gusts estimated to be 60 mph downed some power lines onto Highway 75 near Rock City, IL at 954 pm CDT June 8.  This report was relayed by the media.

Hail in WHITESIDE, ILLINOIS
From 08-JUN-11 21:39:00 to 08-JUN-11 21:39:00 (CST-6)
Location: STERLING
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in WHITESIDE, ILLINOIS
From 08-JUN-11 21:40:00 to 08-JUN-11 21:40:00 (CST-6)
Location: STERLING
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in HENRY, ILLINOIS
From 08-JUN-11 23:46:00 to 08-JUN-11 23:46:00 (CST-6)
Location: SUNNY HILL
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in WHITESIDE, ILLINOIS
From 09-JUN-11 01:24:00 to 09-JUN-11 01:24:00 (CST-6)
Location: TAMPICO
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Quarter sized hail fell about 1 mile north of Tampico, IL at 224 am CDT June 9.

Thunderstorm Wind in JO DAVIESS, ILLINOIS
From 08-JUN-11 20:30:00 to 08-JUN-11 20:30:00 (CST-6)
Location: STOCKTON
Magnitude: 61.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Newspaper

Wind gusts estimated to be 70 mph caused tree damage and siding damage across Stockton, IL around 930 pm CDT June 8.  One large tree limb fell onto a car.