Scattered thunderstorms moved across parts of northeast Illinois during the morning of August 18th.

Heavy Rain in LAKE, ILLINOIS
From 18-AUG-19 07:28:00 to 18-AUG-19 07:48:00 (CST-6)
Location: FORT SHERIDAN
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Rainfall of 0.99 inches was measured in 20 minutes.

Thunderstorm Wind in WILL, ILLINOIS
From 18-AUG-19 06:00:00 to 18-AUG-19 06:00:00 (CST-6)
Location: BARBERS CORNERS
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees and power lines were damaged along Briarcliff Road in the vicinity of Ashbury Avenue, Oxford Road and Queenswood Road.

Thunderstorm Wind in MCHENRY, ILLINOIS
From 18-AUG-19 06:50:00 to 18-AUG-19 06:50:00 (CST-6)
Location: MCCULLOM LAKE
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A tree limb 8 to 10 inches in diameter was blown onto power lines near Ojibwa Lane and Curran Road.  A 17 inch diameter tree limb was snapped off in the same neighborhood.  Additional small twigs and limbs were blown down.

Thunderstorm Wind in DU PAGE, ILLINOIS
From 18-AUG-19 06:25:00 to 18-AUG-19 06:25:00 (CST-6)
Location: OAK BROOK
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Numerous large tree limbs were blown down along Adams Road.

Thunderstorm Wind in COOK, ILLINOIS
From 18-AUG-19 07:30:00 to 18-AUG-19 07:30:00 (CST-6)
Location: NILES
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Tree damage was reported in Niles.

Flood in COOK, ILLINOIS
From 18-AUG-19 07:45:00 to 18-AUG-19 10:00:00 (CST-6)
Location: DEERING
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

About one foot of standing water was reported on Elston Avenue near Fullerton Avenue.

Flood in COOK, ILLINOIS
From 18-AUG-19 08:00:00 to 18-AUG-19 10:00:00 (CST-6)
Location: CLYBOURN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Minor flooding was reported on La Salle Drive under Lake Shore Drive.

Heavy Rain in COOK, ILLINOIS
From 18-AUG-19 06:45:00 to 18-AUG-19 07:00:00 (CST-6)
Location: BURBANK
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Rainfall of 1.01 inches was measured in 15 minutes.

Flood in COOK, ILLINOIS
From 18-AUG-19 07:30:00 to 18-AUG-19 10:00:00 (CST-6)
Location: HANSON PARK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Southbound Harlem Avenue was closed due to flooding at the North Boulevard underpass.

Thunderstorm Wind in COOK, ILLINOIS
From 18-AUG-19 06:10:00 to 18-AUG-19 06:10:00 (CST-6)
Location: ELGIN
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

A large tree limb was blown down.

Thunderstorm Wind in DU PAGE, ILLINOIS
From 18-AUG-19 06:08:00 to 18-AUG-19 06:08:00 (CST-6)
Location: DOWNERS GROVE
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

A large tree was blown down.

Thunderstorm Wind in COOK, ILLINOIS
From 18-AUG-19 07:50:00 to 18-AUG-19 07:50:00 (CST-6)
Location: CLYBOURN
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

A large tree limb was blown down.

Thunderstorm Wind in DU PAGE, ILLINOIS
From 18-AUG-19 06:05:00 to 18-AUG-19 06:05:00 (CST-6)
Location: WILLOWBROOK
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

A tree limb over 20 feet long and 2 feet in diameter was snapped off in McCollum Park.

Thunderstorm Wind in DU PAGE, ILLINOIS
From 18-AUG-19 06:05:00 to 18-AUG-19 06:05:00 (CST-6)
Location: WOODRIDGE
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Numerous tree limbs were blown down along Lemont Road between 75th Street and 87th Street.

Thunderstorm Wind in DU PAGE, ILLINOIS
From 18-AUG-19 06:06:00 to 18-AUG-19 06:06:00 (CST-6)
Location: WILLOWBROOK
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

At least one small tree limb was blown down along with numerous twigs.