Scattered thunderstorms moved across northern Illinois during the evening of May 16th into the early morning of May 17th producing mainly large hail.

Hail in LEE, ILLINOIS
From 16-MAY-19 17:53:00 to 16-MAY-19 17:54:00 (CST-6)
Location: HARMON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LEE, ILLINOIS
From 16-MAY-19 20:28:00 to 16-MAY-19 20:30:00 (CST-6)
Location: ASHTON
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Golf ball size hail was reported on Interstate 88 near Ashton.

Hail in LEE, ILLINOIS
From 16-MAY-19 20:48:00 to 16-MAY-19 20:49:00 (CST-6)
Location: STEWARD
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LEE, ILLINOIS
From 16-MAY-19 20:22:00 to 16-MAY-19 20:24:00 (CST-6)
Location: FRANKLIN GROVE
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in KANE, ILLINOIS
From 16-MAY-19 20:56:00 to 16-MAY-19 20:58:00 (CST-6)
Location: BIG ROCK
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in KENDALL, ILLINOIS
From 16-MAY-19 21:19:00 to 16-MAY-19 21:19:00 (CST-6)
Location: PLANO
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in COOK, ILLINOIS
From 16-MAY-19 21:32:00 to 16-MAY-19 21:32:00 (CST-6)
Location: CHICAGO RIDGE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in KENDALL, ILLINOIS
From 16-MAY-19 21:04:00 to 16-MAY-19 21:06:00 (CST-6)
Location: OSWEGO
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in KANE, ILLINOIS
From 16-MAY-19 23:09:00 to 16-MAY-19 23:11:00 (CST-6)
Location: KANEVILLE
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in KANE, ILLINOIS
From 16-MAY-19 23:25:00 to 16-MAY-19 23:26:00 (CST-6)
Location: NORTH AURORA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in DU PAGE, ILLINOIS
From 16-MAY-19 23:29:00 to 16-MAY-19 23:31:00 (CST-6)
Location: WINFIELD
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DU PAGE, ILLINOIS
From 16-MAY-19 23:35:00 to 16-MAY-19 23:40:00 (CST-6)
Location: GLEN ELLYN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in KANE, ILLINOIS
From 16-MAY-19 23:01:00 to 16-MAY-19 23:03:00 (CST-6)
Location: KANEVILLE
Magnitude: 2.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A train spotter measured hail 2.25 inches in diameter with a lot of golf ball size hail.

Hail in COOK, ILLINOIS
From 17-MAY-19 00:01:00 to 17-MAY-19 00:03:00 (CST-6)
Location: AVONDALE
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in DU PAGE, ILLINOIS
From 16-MAY-19 23:34:00 to 16-MAY-19 23:35:00 (CST-6)
Location: WHEATON
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in KANE, ILLINOIS
From 16-MAY-19 23:21:00 to 16-MAY-19 23:23:00 (CST-6)
Location: BATAVIA
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DE KALB, ILLINOIS
From 16-MAY-19 20:49:00 to 16-MAY-19 20:51:00 (CST-6)
Location: WATERMAN
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in LEE, ILLINOIS
From 16-MAY-19 22:13:00 to 16-MAY-19 22:15:00 (CST-6)
Location: TWELVE MILE CORNER
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Golf ball size hail was reported on Route 251, three miles north of Route 30.

Thunderstorm Wind in DU PAGE, ILLINOIS
From 16-MAY-19 23:40:00 to 16-MAY-19 23:40:00 (CST-6)
Location: LOMBARD
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A 30 foot tall Pine tree was uprooted and blocked a roadway.