Thunderstorms moved across parts of northwest and west central Illinois during the mid evening hours of June 8 producing widespread tree damage, a few large hail stones, and heavy rain resulting in some isolated flash flooding.

Hail in JO DAVIESS, ILLINOIS
From 08-JUN-08 18:52:00 to 08-JUN-08 18:52:00 (CST-6)
Location: STOCKTON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Penny-sized hail fell in Stockton, IL at 7:52 pm June 8.  The hail stones broke into slivers and chunks upon hitting the ground.

Thunderstorm Wind in JO DAVIESS, ILLINOIS
From 08-JUN-08 19:06:00 to 08-JUN-08 19:06:00 (CST-6)
Location: NORA
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Winds estimated to be 65 mph blew a two and a half foot diameter tree down  in Nora, IL at 8:06 pm June 8.  A heavy wooden table was also blown over.

Thunderstorm Wind in STEPHENSON, ILLINOIS
From 08-JUN-08 19:35:00 to 08-JUN-08 19:35:00 (CST-6)
Location: WADDAMS GROVE
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Winds estimated to be 65 mph blew down numerous large trees along Stagecoach Trail (W Galena Road) near Waddams Grove, IL at 8:35 pm June 8.

Thunderstorm Wind in ROCK ISLAND, ILLINOIS
From 08-JUN-08 20:10:00 to 08-JUN-08 20:10:00 (CST-6)
Location: (MLI) QUAD CITY ARPT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

At 9:10 pm June 8, the automated surface observing system at the Quad City International Airport in Moline, IL measured a wind gust of 60 mph.

Thunderstorm Wind in STEPHENSON, ILLINOIS
From 08-JUN-08 19:35:00 to 08-JUN-08 19:35:00 (CST-6)
Location: WADDAMS GROVE
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Winds estimated to be 65 mph blew down numerous trees throughout Stephenson County, IL around 8:35 pm June 8.

Flash Flood in JO DAVIESS, ILLINOIS
From 08-JUN-08 19:40:00 to 08-JUN-08 22:00:00 (CST-6)
Location: GALENA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rain resulted in flash flooding of Spring Street in Galena, IL around 8:40 pm June 8.  The street was closed by law enforcement officials until flood waters receded.

Thunderstorm Wind in HENDERSON, ILLINOIS
From 08-JUN-08 19:50:00 to 08-JUN-08 19:50:00 (CST-6)
Location: OQUAWKA
Magnitude: 56.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Winds estimated to be 65 mph blew down some power lines in Oquawka, IL at 8:50 pm June 8.

Thunderstorm Wind in HENDERSON, ILLINOIS
From 08-JUN-08 19:52:00 to 08-JUN-08 19:52:00 (CST-6)
Location: GLADSTONE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Winds estimated to be 60 mph blew down some tree limbs in Gladstone, IL at 8:52 pm June 8.

Thunderstorm Wind in HENDERSON, ILLINOIS
From 08-JUN-08 20:00:00 to 08-JUN-08 20:00:00 (CST-6)
Location: BIGGSVILLE
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Winds estimated to be 65 mph blew down a tree across a highway near Biggsville, IL at 9:00 pm June 8.

Thunderstorm Wind in WARREN, ILLINOIS
From 08-JUN-08 20:05:00 to 08-JUN-08 20:05:00 (CST-6)
Location: KIRKWOOD
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Winds estimated to be 60 mph blew down some tree limbs in Kirkwood, IL at 9:05 pm June 8.  The limbs were 4 to 6 inches in diameter.

Thunderstorm Wind in WARREN, ILLINOIS
From 08-JUN-08 20:05:00 to 08-JUN-08 20:05:00 (CST-6)
Location: LITTLE YORK
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Winds estimated to be 60 mph blew down some tree limbs in Little York, IL at 9:05 pm June 8.  The limbs were 4 to 6 inches in diameter.

Thunderstorm Wind in JO DAVIESS, ILLINOIS
From 08-JUN-08 18:55:00 to 08-JUN-08 18:55:00 (CST-6)
Location: APPLE RIVER CANYON SP
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Winds estimated to be 70 mph blew down several trees in Apple River Canyon State Park near Millville, IL at 7:55 pm June 8.