A line of severe thunderstorms moved across northern Illinois during the afternoon and early evening of November 10th producing damaging winds and two tornadoes.  Strong non thunderstorm winds developed behind this line of storms and Rockford Airport measured a wind gust to 60 mph.

Tornado in DE KALB, ILLINOIS
From 10-NOV-20 16:19:00 to 10-NOV-20 16:31:00 (CST-6)
Location: SOMONAUK
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tornado with peak winds of 80 mph touched down near Route 23 northwest of the town of Somonauk and traveled northeast mainly through farm fields.  A grain silo was damaged near the intersection of Somonauk and Bastian Roads, and damage to trees and powerlines was observed along the path of the tornado.  The tornado appeared to end near Route 30 just southeast of Hinckley.  The path of this tornado was determined based on input from spotters, emergency management and using radar data.

Tornado in KANE, ILLINOIS
From 10-NOV-20 16:39:00 to 10-NOV-20 16:42:00 (CST-6)
Location: VIRGIL
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tornado with peak winds of 80 mph touched down near Francis Road northwest of Elburn and damaged nearby trees and the roof of an outbuilding.  The tornado continued northeast and crossed Route 47 south of Route 64, based on an eyewitness report. After crossing Route 64, the tornado damaged trees on Hanson Road.  The tornado is thought to have lifted soon thereafter based on a lack of downstream reports of damage.  The path of this tornado was determined based on information gathered on social media, from emergency management and using radar data.

Thunderstorm Wind in DU PAGE, ILLINOIS
From 10-NOV-20 17:10:00 to 10-NOV-20 17:13:00 (CST-6)
Location: CAROL STREAM
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Wind gusts were estimated between 65 mph and 70 mph and lasted 3 to 5 minutes.

Thunderstorm Wind in OGLE, ILLINOIS
From 10-NOV-20 15:16:00 to 10-NOV-20 15:17:00 (CST-6)
Location: MT MORRIS
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Dozens of trees were damaged or blown down.  A photo showed a large chunk of wood from one tree impaled through another tree.

Thunderstorm Wind in OGLE, ILLINOIS
From 10-NOV-20 15:55:00 to 10-NOV-20 15:55:00 (CST-6)
Location: (RPJ) ROCHELLE MUNICIPAL AIRPORT
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Thunderstorm Wind in LA SALLE, ILLINOIS
From 10-NOV-20 16:00:00 to 10-NOV-20 16:00:00 (CST-6)
Location: (VYS) ILLINOIS VALLEY REGIONAL AIRPORT
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Thunderstorm Wind in LA SALLE, ILLINOIS
From 10-NOV-20 15:55:00 to 10-NOV-20 15:55:00 (CST-6)
Location: (VYS) ILLINOIS VALLEY REGIONAL AIRPORT
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Wind gusts were estimated to 70 mph.

Thunderstorm Wind in LA SALLE, ILLINOIS
From 10-NOV-20 16:04:00 to 10-NOV-20 16:04:00 (CST-6)
Location: MENDOTA
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Wind gusts were estimated to 70 mph.

Thunderstorm Wind in LA SALLE, ILLINOIS
From 10-NOV-20 16:05:00 to 10-NOV-20 16:05:00 (CST-6)
Location: TRIUMPH
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

A semi truck was blown over on Interstate 39 near Mendota.

Thunderstorm Wind in LA SALLE, ILLINOIS
From 10-NOV-20 16:32:00 to 10-NOV-20 16:32:00 (CST-6)
Location: SERENA
Magnitude: 66.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A peak wind gust of 76 mph was measured.  Winds of 60 mph to 70 mph lasted 3 to 5 minutes.

Thunderstorm Wind in KANE, ILLINOIS
From 10-NOV-20 16:39:00 to 10-NOV-20 16:39:00 (CST-6)
Location: (ARR) AURORA MUNICIPAL AIRPORT
Magnitude: 69.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in KENDALL, ILLINOIS
From 10-NOV-20 17:06:00 to 10-NOV-20 17:06:00 (CST-6)
Location: PLATTVILLE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts were estimated to 58 mph.

Thunderstorm Wind in KANE, ILLINOIS
From 10-NOV-20 16:49:00 to 10-NOV-20 16:49:00 (CST-6)
Location: BATAVIA
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm Wind in DE KALB, ILLINOIS
From 10-NOV-20 16:30:00 to 10-NOV-20 16:30:00 (CST-6)
Location: DEKALB
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Multiple utility poles and power lines were blown down in the 1400 block of 4th Street.

Thunderstorm Wind in COOK, ILLINOIS
From 10-NOV-20 17:44:00 to 10-NOV-20 17:44:00 (CST-6)
Location: (MDW) CHICAGO MIDWAY AIRPORT
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in DU PAGE, ILLINOIS
From 10-NOV-20 17:22:00 to 10-NOV-20 17:22:00 (CST-6)
Location: WOODRIDGE
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Wind gusts were estimated between 60 mph and 70 mph.

Thunderstorm Wind in COOK, ILLINOIS
From 10-NOV-20 17:31:00 to 10-NOV-20 17:31:00 (CST-6)
Location: ROSEMONT
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in COOK, ILLINOIS
From 10-NOV-20 17:09:00 to 10-NOV-20 17:09:00 (CST-6)
Location: STREAMWOOD
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts were measured to 66 mph.

Thunderstorm Wind in COOK, ILLINOIS
From 10-NOV-20 17:43:00 to 10-NOV-20 17:43:00 (CST-6)
Location: BURBANK
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

A wind gust to 66 mph was measured in Burbank.

Thunderstorm Wind in COOK, ILLINOIS
From 10-NOV-20 17:41:00 to 10-NOV-20 17:41:00 (CST-6)
Location: IRVING PARK
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A power line was blown down in the Irving Park neighborhood.

Thunderstorm Wind in LAKE, ILLINOIS
From 10-NOV-20 17:21:00 to 10-NOV-20 17:21:00 (CST-6)
Location: (UGN) WAUKEGAN ARPT
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in DE KALB, ILLINOIS
From 10-NOV-20 16:23:00 to 10-NOV-20 16:23:00 (CST-6)
Location: SHABBONA
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Utility poles were damaged and 3 inch diameter tree limbs were blown down.

Thunderstorm Wind in KANE, ILLINOIS
From 10-NOV-20 16:33:00 to 10-NOV-20 16:33:00 (CST-6)
Location: KANEVILLE
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Multiple utility poles were blown down, along with power lines blown down.  Small tree limbs were broken.

Thunderstorm Wind in KANE, ILLINOIS
From 10-NOV-20 16:35:00 to 10-NOV-20 16:35:00 (CST-6)
Location: (ARR) AURORA MUNICIPAL AIRPORT
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts were estimated to 70 mph.

Thunderstorm Wind in WILL, ILLINOIS
From 10-NOV-20 17:12:00 to 10-NOV-20 17:12:00 (CST-6)
Location: PLAINFIELD
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A private weather station measured a wind gust to 60 mph.

Thunderstorm Wind in DU PAGE, ILLINOIS
From 10-NOV-20 17:20:00 to 10-NOV-20 17:20:00 (CST-6)
Location: YORK CENTER
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts were measured to 63 mph.

Thunderstorm Wind in COOK, ILLINOIS
From 10-NOV-20 17:24:00 to 10-NOV-20 17:24:00 (CST-6)
Location: (ORD) CHICAGO O'HARE AIRPORT
Magnitude: 59.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The ITWS wind sensor measured a peak wind gust to 59 knots while ASOS measured a peak wind gust of 56 knots.

Thunderstorm Wind in COOK, ILLINOIS
From 10-NOV-20 17:37:00 to 10-NOV-20 17:39:00 (CST-6)
Location: SKOKIE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Power lines were blown down in Skokie and in Evanston.

Thunderstorm Wind in LAKE, ILLINOIS
From 10-NOV-20 16:57:00 to 10-NOV-20 16:57:00 (CST-6)
Location: ANTIOCH
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Trees were uprooted and fences were blown down in Antioch.

Thunderstorm Wind in KANE, ILLINOIS
From 10-NOV-20 16:50:00 to 10-NOV-20 16:50:00 (CST-6)
Location: CAMPTON HILLS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Wind gusts were estimated to 60 mph.

Thunderstorm Wind in DE KALB, ILLINOIS
From 10-NOV-20 16:20:00 to 10-NOV-20 16:20:00 (CST-6)
Location: MALTA
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A utility pole was damaged and hanging over a roadway.

Thunderstorm Wind in MCHENRY, ILLINOIS
From 10-NOV-20 16:50:00 to 10-NOV-20 16:50:00 (CST-6)
Location: LAKE IN THE HILLS
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Siding was stripped off a building in Lake In The Hills.

Thunderstorm Wind in MCHENRY, ILLINOIS
From 10-NOV-20 16:54:00 to 10-NOV-20 16:57:00 (CST-6)
Location: ALGONQUIN
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees, tree limbs and power lines were blown down across portions of southeast McHenry County.

Thunderstorm Wind in BOONE, ILLINOIS
From 10-NOV-20 15:58:00 to 10-NOV-20 15:58:00 (CST-6)
Location: BELVIDERE
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

About 30 feet of the roof was blown off of the Chrysler Plant.

Thunderstorm Wind in WINNEBAGO, ILLINOIS
From 10-NOV-20 15:37:00 to 10-NOV-20 15:37:00 (CST-6)
Location: (RFD) ROCKFORD AIRPORT
Magnitude: 63.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in WINNEBAGO, ILLINOIS
From 10-NOV-20 15:40:00 to 10-NOV-20 15:40:00 (CST-6)
Location: WEMPLETON
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Wind gusts were estimated to 65 mph.

Thunderstorm Wind in WINNEBAGO, ILLINOIS
From 10-NOV-20 15:31:00 to 10-NOV-20 15:31:00 (CST-6)
Location: WINNEBAGO
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Two box trucks were flipped over into a ditch along Route 20 just west of Winnebago.  Some silo damage also occurred.

Thunderstorm Wind in WINNEBAGO, ILLINOIS
From 10-NOV-20 15:40:00 to 10-NOV-20 15:40:00 (CST-6)
Location: WEMPLETON
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A grain silo and a barn collapsed, killing two cattle.

Thunderstorm Wind in WINNEBAGO, ILLINOIS
From 10-NOV-20 15:32:00 to 10-NOV-20 15:33:00 (CST-6)
Location: WINNEBAGO
Magnitude: 63.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts were measured to 73 mph.  Extensive damage was reported with multiple trees blown down, many onto cars with car windows broken.

Thunderstorm Wind in BOONE, ILLINOIS
From 10-NOV-20 16:00:00 to 10-NOV-20 16:00:00 (CST-6)
Location: BELVIDERE
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Damage was reported to utility poles.

Thunderstorm Wind in BOONE, ILLINOIS
From 10-NOV-20 15:53:00 to 10-NOV-20 15:58:00 (CST-6)
Location: POPLAR GROVE
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Wind gusts were estimated to 70 mph and lasted for 5 minutes.

Thunderstorm Wind in WINNEBAGO, ILLINOIS
From 10-NOV-20 15:46:00 to 10-NOV-20 15:46:00 (CST-6)
Location: ROSCOE
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Wind gusts were estimated to 70 mph.  Numerous large tree limbs were blown down.

High Wind in WINNEBAGO, ILLINOIS
From 10-NOV-20 19:26:00 to 10-NOV-20 19:26:00 (CST-6)
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in BOONE, ILLINOIS
From 10-NOV-20 15:50:00 to 10-NOV-20 16:02:00 (CST-6)
Location: BELVIDERE
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees and power lines were blown down across Boone County.

Thunderstorm Wind in MCHENRY, ILLINOIS
From 10-NOV-20 16:02:00 to 10-NOV-20 16:02:00 (CST-6)
Location: CHEMUNG
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Several barns and outbuildings were compromised by winds gusting to 80 mph, causing their doors and roofs to be blown off.  A few of these structures were also blown off their foundations.

Hail in WINNEBAGO, ILLINOIS
From 10-NOV-20 15:35:00 to 10-NOV-20 15:35:00 (CST-6)
Location: WINNEBAGO
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Brief penny to quarter size hail was reported.

Thunderstorm Wind in OGLE, ILLINOIS
From 10-NOV-20 15:29:00 to 10-NOV-20 15:30:00 (CST-6)
Location: BYRON
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Whole trees were blown down and power lines were damaged.

Thunderstorm Wind in WINNEBAGO, ILLINOIS
From 10-NOV-20 15:40:00 to 10-NOV-20 15:40:00 (CST-6)
Location: ROCKFORD
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

One inch diameter tree limbs were broken and shingles were blown off a roof.

Hail in WINNEBAGO, ILLINOIS
From 10-NOV-20 15:46:00 to 10-NOV-20 15:47:00 (CST-6)
Location: ROSCOE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Multiple reports of quarter size hail were received from the Roscoe area.

Hail in WINNEBAGO, ILLINOIS
From 10-NOV-20 15:46:00 to 10-NOV-20 15:47:00 (CST-6)
Location: ROCKTON
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A photo of vinyl siding of a home showed damaged by wind driven hail.  The hail size was estimated.

Thunderstorm Wind in WINNEBAGO, ILLINOIS
From 10-NOV-20 15:46:00 to 10-NOV-20 15:46:00 (CST-6)
Location: ROCKTON
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Wind gusts were estimated to 70 mph.