Severe thunderstorms produced large hail, damaging winds and heavy rain across many parts of northeast Illinois during the afternoon and evening of June 14th.

Flood in MCHENRY, ILLINOIS
From 14-JUN-17 15:05:00 to 14-JUN-17 16:00:00 (CST-6)
Location: CRYSTAL LAKE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Standing water estimated to be 5 inches deep was reported near US14 and Keith Avenue.

Hail in WILL, ILLINOIS
From 14-JUN-17 16:20:00 to 14-JUN-17 16:21:00 (CST-6)
Location: NEW LENOX
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Flood in MCHENRY, ILLINOIS
From 14-JUN-17 15:40:00 to 14-JUN-17 18:00:00 (CST-6)
Location: CRYSTAL LAKE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Two to two and half feet of standing water was reported near Route 176 and Terra Cotta Road.

Thunderstorm Wind in LA SALLE, ILLINOIS
From 14-JUN-17 15:53:00 to 14-JUN-17 15:53:00 (CST-6)
Location: LAKE HOLIDAY
Magnitude: 63.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A measured wind gust to 72 mph was reported.

Flood in BOONE, ILLINOIS
From 14-JUN-17 15:17:00 to 14-JUN-17 16:30:00 (CST-6)
Location: HERBERT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Standing water estimated to be 4 inches deep was reported at Davis School and Glidden Roads.

Thunderstorm Wind in LA SALLE, ILLINOIS
From 14-JUN-17 15:30:00 to 14-JUN-17 15:30:00 (CST-6)
Location: STREATOR
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Multiple large trees were blown down with over 30 reports of trees down.

Thunderstorm Wind in LA SALLE, ILLINOIS
From 14-JUN-17 15:33:00 to 14-JUN-17 15:34:00 (CST-6)
Location: LAKE HOLIDAY
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Tree damage was reported in several areas from Lake Holiday to Sandwich.

Thunderstorm Wind in LA SALLE, ILLINOIS
From 14-JUN-17 15:39:00 to 14-JUN-17 15:39:00 (CST-6)
Location: STAVANGER
Magnitude: 55.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A semi truck was blown over one mile west of the Seneca exit on Interstate 80.

Thunderstorm Wind in DE KALB, ILLINOIS
From 14-JUN-17 15:50:00 to 14-JUN-17 15:50:00 (CST-6)
Location: SANDWICH
Magnitude: 55.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Many power lines were blown down along with tree damage reported.

Heavy Rain in LAKE, ILLINOIS
From 14-JUN-17 14:10:00 to 14-JUN-17 15:55:00 (CST-6)
Location: GURNEE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Heavy rainfall of 1.94 inches was reported in 1 hour and 45 minutes.

Thunderstorm Wind in COOK, ILLINOIS
From 14-JUN-17 16:05:00 to 14-JUN-17 16:06:00 (CST-6)
Location: WILMETTE
Magnitude: 65.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Numerous large trees were blown down with some trees uprooted.  Some of the fallen trees crushed parked cars.  Roof damage was reported to a hospital in Evanston.  A wind gust to 57 mph was measured.

Thunderstorm Wind in WILL, ILLINOIS
From 14-JUN-17 16:05:00 to 14-JUN-17 16:05:00 (CST-6)
Location: JOLIET
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A small Maple tree was blown down on the west side of Joliet.

Thunderstorm Wind in DE KALB, ILLINOIS
From 14-JUN-17 16:00:00 to 14-JUN-17 16:00:00 (CST-6)
Location: SANDWICH
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

A trampoline was thrown over a garage and two fences were destroyed.

Thunderstorm Wind in WILL, ILLINOIS
From 14-JUN-17 16:12:00 to 14-JUN-17 16:12:00 (CST-6)
Location: NEW LENOX GEAR ARPT
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A 7 inch diameter tree limb was blown down along Daniel Lewis Drive.

Thunderstorm Wind in IROQUOIS, ILLINOIS
From 14-JUN-17 13:55:00 to 14-JUN-17 13:55:00 (CST-6)
Location: GILMAN
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A large tree was snapped.

Hail in IROQUOIS, ILLINOIS
From 14-JUN-17 13:55:00 to 14-JUN-17 13:55:00 (CST-6)
Location: GILMAN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in BOONE, ILLINOIS
From 14-JUN-17 11:33:00 to 14-JUN-17 11:55:00 (CST-6)
Location: BELVIDERE
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter to half dollar size hail was reported in numerous locations including near north State Street and The William Grady Pool.

Flood in BOONE, ILLINOIS
From 14-JUN-17 12:07:00 to 14-JUN-17 13:30:00 (CST-6)
Location: BELVIDERE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

One foot of water was reported near Garden Drive and Ruby Street.

Thunderstorm Wind in MCHENRY, ILLINOIS
From 14-JUN-17 12:42:00 to 14-JUN-17 12:45:00 (CST-6)
Location: WOODSTOCK
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Multiple trees were blown down between Woodstock and Wonder Lake.  A tree was blocking the road at Banford and Queen Anne and another tree was blocking Thompson north of Route 120.

Hail in LAKE, ILLINOIS
From 14-JUN-17 14:07:00 to 14-JUN-17 14:08:00 (CST-6)
Location: BUFFALO GROVE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in LAKE, ILLINOIS
From 14-JUN-17 13:55:00 to 14-JUN-17 13:55:00 (CST-6)
Location: WAUCONDA
Magnitude: 50.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Emergency Manager

A tree and power lines were blown down near Bonner Road and Madison Avenue.

Thunderstorm Wind in LA SALLE, ILLINOIS
From 14-JUN-17 15:24:00 to 14-JUN-17 15:24:00 (CST-6)
Location: TONICA
Magnitude: 60.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Two barns were destroyed.

Flood in MCHENRY, ILLINOIS
From 14-JUN-17 15:30:00 to 14-JUN-17 17:00:00 (CST-6)
Location: CRYSTAL LAKE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several roads were flooded with 3 to 4 inches of water with a few roads closed.

Thunderstorm Wind in LA SALLE, ILLINOIS
From 14-JUN-17 15:40:00 to 14-JUN-17 15:40:00 (CST-6)
Location: STREATOR
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A 40 to 50 foot tall Oak tree was uprooted.

Thunderstorm Wind in DE KALB, ILLINOIS
From 14-JUN-17 15:55:00 to 14-JUN-17 15:55:00 (CST-6)
Location: SANDWICH
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Multiple trees were blown down, some onto houses.

Hail in LA SALLE, ILLINOIS
From 14-JUN-17 15:53:00 to 14-JUN-17 15:53:00 (CST-6)
Location: LAKE HOLIDAY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in FORD, ILLINOIS
From 14-JUN-17 16:01:00 to 14-JUN-17 16:01:00 (CST-6)
Location: GIBSON CITY
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

A large section of a tree was snapped off and blown across a road.

Thunderstorm Wind in KANE, ILLINOIS
From 14-JUN-17 16:33:00 to 14-JUN-17 16:33:00 (CST-6)
Location: GILBERTS
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Social Media

A portion of a new gas station under construction was blown down near Route 20 and Nesler Road.

Thunderstorm Wind in COOK, ILLINOIS
From 14-JUN-17 14:55:00 to 14-JUN-17 14:55:00 (CST-6)
Location: WILMETTE
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Several large trees were blown down around Harrison Street near Ackerman Park, south of Central Street.

Thunderstorm Wind in DE KALB, ILLINOIS
From 14-JUN-17 15:34:00 to 14-JUN-17 15:34:00 (CST-6)
Location: HINCKLEY
Magnitude: 55.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Several utility poles and power lines were blown down along East Chicago Road.

Thunderstorm Wind in GRUNDY, ILLINOIS
From 14-JUN-17 15:45:00 to 14-JUN-17 15:47:00 (CST-6)
Location: MORRIS
Magnitude: 60.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Newspaper

A two block area in Morris received widespread tree damage, trees blown down and shingles blown off roofs.

Thunderstorm Wind in DE KALB, ILLINOIS
From 14-JUN-17 21:54:00 to 14-JUN-17 21:55:00 (CST-6)
Location: DEKALB
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

A wind gust to 64 mph was measured at the De Kalb Airport (KDKB).  Tree limbs were blown down in De Kalb.