An upper level disturbance moved across eastern Iowa and northwest Illinois August 25, sparking some scattered showers and thunderstorms over areas north of Interstate 80.  Some of the thunderstorms were severe, producing damaging winds from Clinton County in Iowa to Whiteside and Henry Counties in Illinois.

Thunderstorm Wind in WHITESIDE, ILLINOIS
From 25-AUG-14 13:01:00 to 25-AUG-14 13:01:00 (CST-6)
Location: FULTON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Wind gusts estimated to be 60 mph were observed in Fulton, IL at 201 pm CDT August 25.

Hail in WHITESIDE, ILLINOIS
From 25-AUG-14 13:05:00 to 25-AUG-14 13:05:00 (CST-6)
Location: FULTON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in WHITESIDE, ILLINOIS
From 25-AUG-14 13:30:00 to 25-AUG-14 13:30:00 (CST-6)
Location: STERLING
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Wind gusts estimated to be 60 mph blew down a tree limb in Sterling, IL around 230 pm CDT August 25.

Thunderstorm Wind in WHITESIDE, ILLINOIS
From 25-AUG-14 13:35:00 to 25-AUG-14 13:35:00 (CST-6)
Location: ROCK FALLS
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts estimated to be 65 mph blew down several tree limbs in Rock Falls, IL around 235 pm CDT August 25.  Power outages were also observed.

Hail in ROCK ISLAND, ILLINOIS
From 25-AUG-14 13:51:00 to 25-AUG-14 13:51:00 (CST-6)
Location: RAPIDS CITY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in HENRY, ILLINOIS
From 25-AUG-14 14:25:00 to 25-AUG-14 14:25:00 (CST-6)
Location: HOOPPOLE
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Wind gusts estimated to be 70 mph blew down a tree across the road near the intersection of Highway 92 and the Atkinson road or about 6 miles west northwest of Hooppole, IL around 325 pm CDT August 25.  This report was relayed by the 911 call center.

Hail in ROCK ISLAND, ILLINOIS
From 25-AUG-14 13:57:00 to 25-AUG-14 13:57:00 (CST-6)
Location: RAPIDS CITY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

A Facebook user reported quarter sized hail in Rapids City, IL at 257 pm CDT August 25.

Thunderstorm Wind in WHITESIDE, ILLINOIS
From 25-AUG-14 13:20:00 to 25-AUG-14 13:20:00 (CST-6)
Location: MORRISON
Magnitude: 65.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts estimated to be 75 mph blew down several trees on the spotter's block in Morrison, IL around 220 pm CDT August 25.  A two foot diameter tree fell on a garage and another nearby tree was snapped off.

Thunderstorm Wind in WHITESIDE, ILLINOIS
From 25-AUG-14 13:15:00 to 25-AUG-14 13:15:00 (CST-6)
Location: UNIONVILLE
Magnitude: 65.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts estimated to be 75 mph blew down an 8 inch diameter tree limb onto a house near Morrison, IL around 215 pm CDT August 25.

Thunderstorm Wind in WHITESIDE, ILLINOIS
From 25-AUG-14 13:20:00 to 25-AUG-14 13:20:00 (CST-6)
Location: MORRISON
Magnitude: 65.00 EG
Property damage: 250.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Wind gusts estimated to be 75 mph blew down numerous trees across all of Morrison, IL around 220 pm CDT August 25.  There was widespread tree damage across town with some trees on power lines and residences.