A line of strong storms tracked east across eastern Iowa, northwest Illinois, and northeast Missouri during the afternoon. Widespread significant wind damage occurred across portions of northwest Illinois. The worst damage was in eastern Rock Island County and in Milledgeville in Carroll County. Wind speeds were estimated at 90 to 100 mph in these areas.

Thunderstorm Wind in CARROLL, ILLINOIS
From 25-SEP-18 14:22:00 to 25-SEP-18 14:25:00 (CST-6)
Location: MILLEDGEVILLE
Magnitude: 85.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A severe thunderstorm with straight line winds estimated around 100 mph caused significant damage in the Milledgeville, Illinois area. Damage began around 3 miles SW of Milledgeville, and continued through the town. Damage included numerous large trees uprooted and snapped, significant structural damage to large metal outbuildings, near destruction of a barn with cement block walls, and a large steel storage tank that was moved several feet. Damage swath was about 3 miles long.

Thunderstorm Wind in CARROLL, ILLINOIS
From 25-SEP-18 14:25:00 to 25-SEP-18 14:25:00 (CST-6)
Location: MILLEDGEVILLE
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The county emergency manager reported multiple large trees and power lines down, and an empty grain bin blown over railroad tracks.

Thunderstorm Wind in ROCK ISLAND, ILLINOIS
From 25-SEP-18 14:05:00 to 25-SEP-18 14:05:00 (CST-6)
Location: CARBON CLIFF
Magnitude: 80.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported several large trees uprooted along with a snapped power pole. The time was estimated by radar.

Thunderstorm Wind in ROCK ISLAND, ILLINOIS
From 25-SEP-18 14:06:00 to 25-SEP-18 14:06:00 (CST-6)
Location: CARBON CLIFF
Magnitude: 80.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A NWS storm survey team calculated straight line winds of around 90 to 100 mph.
This caused significant damage from Carbon Cliff Illinois to Barstow Illinois. The damage included large trees snapped and uprooted.  Snapped power poles were also found.

Thunderstorm Wind in ROCK ISLAND, ILLINOIS
From 25-SEP-18 14:07:00 to 25-SEP-18 14:07:00 (CST-6)
Location: CARBON CLIFF
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public reported trees on two houses, power poles down, and fence posts ripped out of the ground.

Thunderstorm Wind in ROCK ISLAND, ILLINOIS
From 25-SEP-18 14:07:00 to 25-SEP-18 14:07:00 (CST-6)
Location: CARBON CLIFF
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The county emergency manager reported several snapped trees, power poles down in Eastern Rock Island county. The time was estimated by radar.

Thunderstorm Wind in CARROLL, ILLINOIS
From 25-SEP-18 14:24:00 to 25-SEP-18 14:24:00 (CST-6)
Location: MILLEDGEVILLE
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported a large tree uprooted in the town of Milledgeville.

Thunderstorm Wind in BUREAU, ILLINOIS
From 25-SEP-18 14:42:00 to 25-SEP-18 14:42:00 (CST-6)
Location: YORKTOWN
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A NWS storm survey team reported numerous large tree branches down in the unincorporated community of Yorktown. Winds were estimated to be 70 mph.

Thunderstorm Wind in WHITESIDE, ILLINOIS
From 25-SEP-18 14:47:00 to 25-SEP-18 14:47:00 (CST-6)
Location: DEER GROVE
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A NWS storm survey team found a large swath of corn blown down.

Thunderstorm Wind in BUREAU, ILLINOIS
From 25-SEP-18 14:44:00 to 25-SEP-18 14:44:00 (CST-6)
Location: NEW BEDFORD
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A NWS storm survey team found numerous large oak trees snapped about 3 miles east of Yorktown. The team estimated peak winds around 80 mph.

Thunderstorm Wind in WHITESIDE, ILLINOIS
From 25-SEP-18 14:47:00 to 25-SEP-18 14:47:00 (CST-6)
Location: DEER GROVE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A NWS storm survey team found large tree branches down in the community of Deer Grove.

Thunderstorm Wind in WHITESIDE, ILLINOIS
From 25-SEP-18 14:49:00 to 25-SEP-18 14:49:00 (CST-6)
Location: DEER GROVE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A NWS storm survey team found two large tree branches down.

Thunderstorm Wind in BUREAU, ILLINOIS
From 25-SEP-18 15:02:00 to 25-SEP-18 15:02:00 (CST-6)
Location: KASBEER
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The county emergency manager reported a large tree down on highway 26 blocking the northbound and southbound lanes.

Thunderstorm Wind in BUREAU, ILLINOIS
From 25-SEP-18 14:48:00 to 25-SEP-18 14:48:00 (CST-6)
Location: NORMANDY
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The county emergency manager reported power lines down and arcing on 1050 East Street, 1 mile north of highway 92.

Thunderstorm Wind in PUTNAM, ILLINOIS
From 25-SEP-18 15:52:00 to 25-SEP-18 15:52:00 (CST-6)
Location: MC NABB
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported several trees down in the town of McNabb.  The time was estimated by radar.

Thunderstorm Wind in CARROLL, ILLINOIS
From 25-SEP-18 14:24:00 to 25-SEP-18 14:24:00 (CST-6)
Location: MILLEDGEVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter estimated max wind gusts of around 60 mph.