Scattered thunderstorms moved across parts of northern Illinois during the evening of July 5th into the early morning of July 6th producing scattered wind damage and flooding.

Thunderstorm Wind in KANE, ILLINOIS
From 05-JUL-22 19:05:00 to 05-JUL-22 19:06:00 (CST-6)
Location: BURLINGTON
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Trees and power lines were blown down onto Center Street.  At least four trees were uprooted with several other trees snapped.

Thunderstorm Wind in WINNEBAGO, ILLINOIS
From 05-JUL-22 17:00:00 to 05-JUL-22 17:00:00 (CST-6)
Location: SHIRLAND
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A dead tree was snapped and blocking a roadway near Shirland and Moody Roads.

Thunderstorm Wind in MCHENRY, ILLINOIS
From 05-JUL-22 17:10:00 to 05-JUL-22 17:10:00 (CST-6)
Location: WOODSTOCK
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A photo showed tree damage at Emricson Park near South Street.

Thunderstorm Wind in MCHENRY, ILLINOIS
From 05-JUL-22 17:14:00 to 05-JUL-22 17:14:00 (CST-6)
Location: HARVARD
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A tree was blown down onto a garage.

Thunderstorm Wind in BOONE, ILLINOIS
From 05-JUL-22 18:08:00 to 05-JUL-22 18:08:00 (CST-6)
Location: BELVIDERE
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A 40 foot tall tree was blown down onto power lines near Lincoln Avenue and Appleton Road.  Tree limbs were also blown down in Belvidere.

Thunderstorm Wind in KANE, ILLINOIS
From 05-JUL-22 18:35:00 to 05-JUL-22 18:35:00 (CST-6)
Location: HAMPSHIRE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A small tree was snapped at its base, blocking Melms Road, northwest of Hampshire.

Hail in DE KALB, ILLINOIS
From 05-JUL-22 18:45:00 to 05-JUL-22 18:46:00 (CST-6)
Location: GENOA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter size hail was reported south of Genoa.

Thunderstorm Wind in KANE, ILLINOIS
From 05-JUL-22 19:12:00 to 05-JUL-22 19:12:00 (CST-6)
Location: ELGIN
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Several 5 inch diameter tree limbs were blown down.

Thunderstorm Wind in KANE, ILLINOIS
From 05-JUL-22 19:12:00 to 05-JUL-22 19:12:00 (CST-6)
Location: SOUTH ELGIN
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A large tree was uprooted.

Thunderstorm Wind in COOK, ILLINOIS
From 05-JUL-22 20:20:00 to 05-JUL-22 20:20:00 (CST-6)
Location: PALOS HILLS
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Multiple large tree limbs were blown down and a small tree was snapped.

Thunderstorm Wind in COOK, ILLINOIS
From 05-JUL-22 20:20:00 to 05-JUL-22 20:20:00 (CST-6)
Location: WILLOW SPRINGS
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Several tree limbs were blown down.

Flash Flood in MCHENRY, ILLINOIS
From 05-JUL-22 21:30:00 to 06-JUL-22 01:30:00 (CST-6)
Location: UNION
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A photo showed multiple feet of standing water at the Illinois Railway Museum near Union.

Flood in BOONE, ILLINOIS
From 06-JUL-22 00:00:00 to 07-JUL-22 12:00:00 (CST-6)
Location: GARDEN PRAIRIE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

A photo shared on social media showed low-lying areas were flooded along the Kishwaukee River north of Garden Prairie.

Flood in DE KALB, ILLINOIS
From 06-JUL-22 00:00:00 to 07-JUL-22 12:00:00 (CST-6)
Location: GENOA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

A photo shared on social media showed a large portion of Kiernan Park near Deer Creek was inundated with water.

Flood in KANE, ILLINOIS
From 05-JUL-22 19:40:00 to 06-JUL-22 03:00:00 (CST-6)
Location: HAMPSHIRE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Multiple reports of street flooding were received in and near Hampshire.

Flood in KANE, ILLINOIS
From 05-JUL-22 21:00:00 to 07-JUL-22 21:00:00 (CST-6)
Location: HAMPSHIRE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

One to two feet of standing water was reported in low-lying areas north of Hampshire.  The water was still rising during the afternoon of July 6th.  A nearby personal weather station measured a two day rain total of 6.50 inches.

Flood in MCHENRY, ILLINOIS
From 05-JUL-22 18:45:00 to 06-JUL-22 16:00:00 (CST-6)
Location: CHEMUNG
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several thunderstorms moved across McHenry County during the evening of July 5th into the early morning of July 6th producing very heavy rain.  Additional thunderstorms had moved across the same areas a day earlier, from the late evening of July 4th into the early morning of July 5th.  Once the heavy rain began on the evening of July 5th, flooding begin in several locations across south central McHenry County.  Minor ponding of water was reported on Route 120 east of Woodstock.  Significant ponding of water was reported on Route 47 south of Route 176.  Several inches of standing water was reported on Route 23, three miles south of Marengo.  A photo showed multiple feet of standing water at the Illinois Railway Museum in Union.  A nearby private weather station southeast of Union measured 2.25 inches of rain in just 30 minutes and a two day storm total of 6.59 inches of rain.  Many locations in southwest McHenry County received two day rainfall totals between 4 and 7 inches.  A two day total of 5.35 inches was measured in Harvard.  The flooding continued in some areas through much of July 6th.