A line of thunderstorms tracked southeast across northeast Iowa into eastern Iowa and northwest Illinois during the afternoon and evening of Sunday, June 30, 2019, bringing widespread downed trees and power lines as 50-70 mph winds rolled through.  The strongest winds were recorded in Dubuque County, where a wind gust of 76 mph was observed at the Dubuque Regional Airport.  Several hometowns were without power after the storms passed.

Thunderstorm Wind in MCDONOUGH, ILLINOIS
From 30-JUN-19 19:09:00 to 30-JUN-19 19:09:00 (CST-6)
Location: BARDOLPH
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A public report of a pine tree snapped off about 6 feet above the ground from thunderstorm winds. The time of the event was estimated using radar.

Thunderstorm Wind in CARROLL, ILLINOIS
From 30-JUN-19 17:32:00 to 30-JUN-19 17:32:00 (CST-6)
Location: MT CARROLL
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Emergency Manager relayed a report of an estimated wind gust around 65 MPH.

Thunderstorm Wind in HANCOCK, ILLINOIS
From 30-JUN-19 18:54:00 to 30-JUN-19 18:54:00 (CST-6)
Location: LA HARPE
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Broadcast media relayed a report of power lines down in the La Harpe Area. The time of the event was estimated using radar.

Thunderstorm Wind in HENRY, ILLINOIS
From 30-JUN-19 18:22:00 to 30-JUN-19 18:22:00 (CST-6)
Location: MORRISTOWN
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Amateur radio relayed a report of a 60 MPH measured by a handheld anemometer.

Thunderstorm Wind in JO DAVIESS, ILLINOIS
From 30-JUN-19 16:47:00 to 30-JUN-19 16:47:00 (CST-6)
Location: GALENA
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported a large 9 to 12 inch diameter tree limb down.

Thunderstorm Wind in JO DAVIESS, ILLINOIS
From 30-JUN-19 17:03:00 to 30-JUN-19 17:03:00 (CST-6)
Location: ELIZABETH
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported an 8 inch diameter tree limb down.

Thunderstorm Wind in JO DAVIESS, ILLINOIS
From 30-JUN-19 17:20:00 to 30-JUN-19 17:20:00 (CST-6)
Location: STOCKTON
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A public report via social media of a shed flipped and destroyed on Simmons Steet. The time of the event was estimated using radar.

Thunderstorm Wind in CARROLL, ILLINOIS
From 30-JUN-19 17:32:00 to 30-JUN-19 17:32:00 (CST-6)
Location: SAVANNA
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Emergency Manager reported trees and power lines down.

Thunderstorm Wind in CARROLL, ILLINOIS
From 30-JUN-19 17:32:00 to 30-JUN-19 17:32:00 (CST-6)
Location: MT CARROLL
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Emergency Manager reported trees and power lines down.

Thunderstorm Wind in CARROLL, ILLINOIS
From 30-JUN-19 17:44:00 to 30-JUN-19 17:44:00 (CST-6)
Location: LANARK
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Emergency Manager reported trees and power lines down.

Thunderstorm Wind in STEPHENSON, ILLINOIS
From 30-JUN-19 17:50:00 to 30-JUN-19 17:50:00 (CST-6)
Location: FREEPORT
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A public report of a 6 inch tree limb down via Twitter. The time of the event was estimated using radar.

Thunderstorm Wind in ROCK ISLAND, ILLINOIS
From 30-JUN-19 17:44:00 to 30-JUN-19 17:44:00 (CST-6)
Location: BLACKHAWK STATE PARK
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported 2 to 3 inch tree limbs down and power is out.  The time of event was estimated using radar.

Thunderstorm Wind in ROCK ISLAND, ILLINOIS
From 30-JUN-19 17:49:00 to 30-JUN-19 17:49:00 (CST-6)
Location: EAST MOLINE
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A public report via social media of a large tree branches down. The time of the event was estimated using radar.

Thunderstorm Wind in ROCK ISLAND, ILLINOIS
From 30-JUN-19 17:50:00 to 30-JUN-19 17:50:00 (CST-6)
Location: SILVIS HGTS
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

The public reported that a large 3 foot diameter tree was snapped off at the base.  Picture of the tree received via social media. The time of the event was estimated using radar.

Thunderstorm Wind in HENRY, ILLINOIS
From 30-JUN-19 17:52:00 to 30-JUN-19 17:52:00 (CST-6)
Location: GREEN ROCK
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A public report via social media of numerous trees down in the city. The time of the event was estimated using radar.

Thunderstorm Wind in HENRY, ILLINOIS
From 30-JUN-19 17:55:00 to 30-JUN-19 17:55:00 (CST-6)
Location: SHADY BEACH
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A public report received via social media of three poles snapped off near the intersection of 2550 AVE and Highway B2. Time of the event was estimated using radar.

Thunderstorm Wind in CARROLL, ILLINOIS
From 30-JUN-19 17:57:00 to 30-JUN-19 17:57:00 (CST-6)
Location: SHANNON
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A public reported 3 to 6 inch tree limbs down.

Thunderstorm Wind in WARREN, ILLINOIS
From 30-JUN-19 18:24:00 to 30-JUN-19 18:24:00 (CST-6)
Location: GERLAW
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported that a large tree was uprooted. A photo of the event was sent via Twitter.

Thunderstorm Wind in HENRY, ILLINOIS
From 30-JUN-19 18:26:00 to 30-JUN-19 18:26:00 (CST-6)
Location: GALVA
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Emergency Manager reported that a tree was snapped off at the base and down owr liens near this location.

Thunderstorm Wind in HENRY, ILLINOIS
From 30-JUN-19 18:26:00 to 30-JUN-19 18:26:00 (CST-6)
Location: CAMBRIDGE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported that several small tree branches about 3 inches in diameter were down along with power lines.

Thunderstorm Wind in BUREAU, ILLINOIS
From 30-JUN-19 18:29:00 to 30-JUN-19 18:29:00 (CST-6)
Location: SHEFFIELD
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law Enforcement reported several tree branches down of unknown size. The time of the event was estimated using radar. The time of the event was estimated using radar.

Thunderstorm Wind in PUTNAM, ILLINOIS
From 30-JUN-19 18:48:00 to 30-JUN-19 18:48:00 (CST-6)
Location: GRANVILLE
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: State Official

A power line was reported down in Granville and a tree was down across the Highway 26 near Hennepin. The time of the event was estimated using radar.