Severe thunderstorms moved across many areas of northern Illinois during the afternoon and evening of June 26th producing widespread wind damage and localized flash flooding.

Thunderstorm Wind in LA SALLE, ILLINOIS
From 26-JUN-20 18:19:00 to 26-JUN-20 18:19:00 (CST-6)
Location: TROY GROVE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Tree damage was reported along East 3rd Road with sporadic tree damage reported to the west along Route 251 and to the southeast toward Troy Grove.

Thunderstorm Wind in KENDALL, ILLINOIS
From 26-JUN-20 18:23:00 to 26-JUN-20 18:23:00 (CST-6)
Location: OSWEGO
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Wind gusts were estimated between 60 mph and 70 mph.

Thunderstorm Wind in COOK, ILLINOIS
From 26-JUN-20 18:21:00 to 26-JUN-20 18:21:00 (CST-6)
Location: ELMWOOD PARK
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Trees and wires were blown down onto a car.

Thunderstorm Wind in COOK, ILLINOIS
From 26-JUN-20 18:23:00 to 26-JUN-20 18:23:00 (CST-6)
Location: HEALY
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Numerous reports of trees and wires blown down were received.

Thunderstorm Wind in LA SALLE, ILLINOIS
From 26-JUN-20 18:41:00 to 26-JUN-20 18:41:00 (CST-6)
Location: PERU
Magnitude: 63.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A wind gust to 72 mph was measured at WLPO.

Thunderstorm Wind in LA SALLE, ILLINOIS
From 26-JUN-20 18:41:00 to 26-JUN-20 18:41:00 (CST-6)
Location: PERU
Magnitude: 63.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A large tree was blown down and corn stalks were bent over.

Thunderstorm Wind in KENDALL, ILLINOIS
From 26-JUN-20 18:45:00 to 26-JUN-20 18:45:00 (CST-6)
Location: NEWARK
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Trees were blown down and power was out for a significant portion of Newark.

Thunderstorm Wind in KENDALL, ILLINOIS
From 26-JUN-20 18:52:00 to 26-JUN-20 18:52:00 (CST-6)
Location: LISBON
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tree was blown down across Route 52.

Thunderstorm Wind in DE KALB, ILLINOIS
From 26-JUN-20 18:05:00 to 26-JUN-20 18:05:00 (CST-6)
Location: SOMONAUK
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Wind gusts to at least 60 mph were reported just north of Somonauk.

Thunderstorm Wind in LA SALLE, ILLINOIS
From 26-JUN-20 18:58:00 to 26-JUN-20 18:58:00 (CST-6)
Location: TONICA
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A large tree limb was blown down partially blocking a road.

Thunderstorm Wind in KENDALL, ILLINOIS
From 26-JUN-20 19:01:00 to 26-JUN-20 19:01:00 (CST-6)
Location: PLATTVILLE
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

A one foot diameter tree was blown down blocking the right lane on Route 52, two miles west of Ridge Road.

Thunderstorm Wind in GRUNDY, ILLINOIS
From 26-JUN-20 19:15:00 to 26-JUN-20 19:15:00 (CST-6)
Location: MORRIS MUNI ARPT
Magnitude: 62.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Thunderstorm Wind in WILL, ILLINOIS
From 26-JUN-20 19:45:00 to 26-JUN-20 19:45:00 (CST-6)
Location: BEECHER
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A 25 to 30 foot tall tree was blown over onto a fence.  Wind gusts were estimated to 65 mph.

Thunderstorm Wind in GRUNDY, ILLINOIS
From 26-JUN-20 19:58:00 to 26-JUN-20 19:59:00 (CST-6)
Location: MAZON
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Ten to twelve utility poles were snapped along Route 47 between Prairie and Grinter Roads.

Thunderstorm Wind in LIVINGSTON, ILLINOIS
From 26-JUN-20 20:02:00 to 26-JUN-20 20:03:00 (CST-6)
Location: CORNELL
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Numerous trees and power lines were blown down throughout and immediately north of Cornell.

Thunderstorm Wind in LIVINGSTON, ILLINOIS
From 26-JUN-20 20:10:00 to 26-JUN-20 20:10:00 (CST-6)
Location: DWIGHT
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

At least two semi trucks were blown over just west of Dwight.

Flood in BOONE, ILLINOIS
From 26-JUN-20 16:45:00 to 26-JUN-20 19:00:00 (CST-6)
Location: POPLAR GROVE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Creeks and ditches were full with water over roads in low lying areas.

Flood in COOK, ILLINOIS
From 26-JUN-20 17:30:00 to 26-JUN-20 19:30:00 (CST-6)
Location: ELGIN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Six inches of water was reported over Ault and Aldrich Roads.

Flash Flood in COOK, ILLINOIS
From 26-JUN-20 18:45:00 to 26-JUN-20 21:00:00 (CST-6)
Location: AUSTIN PARK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Several cars were stuck in flooded viaducts near Division Street and Cicero Avenue.

Thunderstorm Wind in KANE, ILLINOIS
From 26-JUN-20 13:55:00 to 26-JUN-20 13:55:00 (CST-6)
Location: DUNDEE
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

At least two utility poles were snapped.

Hail in OGLE, ILLINOIS
From 26-JUN-20 16:19:00 to 26-JUN-20 16:21:00 (CST-6)
Location: HONEY CREEK
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in OGLE, ILLINOIS
From 26-JUN-20 16:45:00 to 26-JUN-20 16:45:00 (CST-6)
Location: DAYSVILLE
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were blown down near Castle Rock State Park in the Brooks Island Area.

Thunderstorm Wind in DE KALB, ILLINOIS
From 26-JUN-20 17:01:00 to 26-JUN-20 17:01:00 (CST-6)
Location: GENOA
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Large trees were blown down in Genoa.

Thunderstorm Wind in DE KALB, ILLINOIS
From 26-JUN-20 17:08:00 to 26-JUN-20 17:08:00 (CST-6)
Location: SYCAMORE
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Numerous large tree limbs were blown down near Freed and Peace Roads.

Thunderstorm Wind in DE KALB, ILLINOIS
From 26-JUN-20 17:09:00 to 26-JUN-20 17:09:00 (CST-6)
Location: SYCAMORE
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Numerous trees were blown down between Genoa and Sycamore and a utility pole was on fire.

Thunderstorm Wind in KANE, ILLINOIS
From 26-JUN-20 17:20:00 to 26-JUN-20 17:20:00 (CST-6)
Location: PINGREE GROVE
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in OGLE, ILLINOIS
From 26-JUN-20 17:10:00 to 26-JUN-20 17:10:00 (CST-6)
Location: WOOSUNG
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Trees were blown down including one on a house in the Castellan Subdivision.

Thunderstorm Wind in KANE, ILLINOIS
From 26-JUN-20 17:26:00 to 26-JUN-20 17:26:00 (CST-6)
Location: PINGREE GROVE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

One inch diameter tree limbs were blown down along with shingles blown off a roof.

Funnel Cloud in WINNEBAGO, ILLINOIS
From 26-JUN-20 17:28:00 to 26-JUN-20 17:29:00 (CST-6)
Location: PECATONICA
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A funnel cloud was reported one mile south of Pecatonica and was later confirmed on video.

Thunderstorm Wind in LAKE, ILLINOIS
From 26-JUN-20 17:29:00 to 26-JUN-20 17:29:00 (CST-6)
Location: GRAYSLAKE
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Numerous large tree limbs were blown down in Grayslake.

Thunderstorm Wind in KANE, ILLINOIS
From 26-JUN-20 17:30:00 to 26-JUN-20 17:30:00 (CST-6)
Location: PLATO CORNERS
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Large tree limbs and small trees were blown down with power outages near Burlington and Empire Roads.

Thunderstorm Wind in KANE, ILLINOIS
From 26-JUN-20 17:34:00 to 26-JUN-20 17:34:00 (CST-6)
Location: ELGIN
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A one foot diameter tree was blown down onto a house on Oak Street.

Thunderstorm Wind in WINNEBAGO, ILLINOIS
From 26-JUN-20 17:35:00 to 26-JUN-20 17:35:00 (CST-6)
Location: PECATONICA
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trees were blown down and power outages were reported southeast of Pecatonica.

Thunderstorm Wind in COOK, ILLINOIS
From 26-JUN-20 17:44:00 to 26-JUN-20 17:44:00 (CST-6)
Location: BARTLETT
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A roughly six inch diameter tree limb was blown down onto a car.

Thunderstorm Wind in DU PAGE, ILLINOIS
From 26-JUN-20 17:47:00 to 26-JUN-20 17:47:00 (CST-6)
Location: ROSELLE
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A large tree was snapped along Maple Avenue.

Thunderstorm Wind in COOK, ILLINOIS
From 26-JUN-20 17:47:00 to 26-JUN-20 17:47:00 (CST-6)
Location: SCHAUMBURG
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Wind gusts were estimated between 50 mph and 60 mph.

Thunderstorm Wind in DU PAGE, ILLINOIS
From 26-JUN-20 17:51:00 to 26-JUN-20 17:51:00 (CST-6)
Location: ITASCA
Magnitude: 62.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A wind gust to 71 mph was measured near Route 20 and Route 53.

Thunderstorm Wind in COOK, ILLINOIS
From 26-JUN-20 18:05:00 to 26-JUN-20 18:05:00 (CST-6)
Location: FRANKLIN PARK
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Power lines were blown down near Pioneer and Grace Streets.

Thunderstorm Wind in COOK, ILLINOIS
From 26-JUN-20 18:06:00 to 26-JUN-20 18:06:00 (CST-6)
Location: FRANKLIN PARK
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A large tree was blown down onto a car at Diversey and 75th Avenues.

Thunderstorm Wind in DE KALB, ILLINOIS
From 26-JUN-20 18:08:00 to 26-JUN-20 18:08:00 (CST-6)
Location: SOMONAUK
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A one to two foot diameter tree was blown down blocking a road.

Thunderstorm Wind in COOK, ILLINOIS
From 26-JUN-20 18:08:00 to 26-JUN-20 18:08:00 (CST-6)
Location: FRANKLIN PARK
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A tree was blown down onto power lines near Oconto and Barry Avenues.

Thunderstorm Wind in COOK, ILLINOIS
From 26-JUN-20 18:11:00 to 26-JUN-20 18:11:00 (CST-6)
Location: FRANKLIN PARK
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

A tree was blown down blocking the street at Pittsburgh Avenue and Addison Street.