An extended period of showers and thunderstorms affected the area June 3-5.   The first of these events occurred during morning hours of June 3rd when a a line of thunderstorms moved from eastern Iowa into northwest Illinois along the Interstate 80 corridor and quickly intensified.  This line of thunderstorms produced hail, heavy rains, and damaging winds in Henry, Bureau, Putnam, and Warren Counties.  One to two inches of rain was reported in a short period of time.

Flash Flood in HENRY, ILLINOIS
From 03-JUN-20 07:05:00 to 03-JUN-20 10:05:00 (CST-6)
Location: GENESEO
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Emergency Manager reports flash flooding of urban areas in Geneseo with roads closed due to high water.

Hail in BUREAU, ILLINOIS
From 03-JUN-20 07:26:00 to 03-JUN-20 07:26:00 (CST-6)
Location: BUREAU
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in PUTNAM, ILLINOIS
From 03-JUN-20 07:30:00 to 03-JUN-20 07:30:00 (CST-6)
Location: HENNEPIN
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm Wind in BUREAU, ILLINOIS
From 03-JUN-20 07:11:00 to 03-JUN-20 07:11:00 (CST-6)
Location: PRINCETON
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter in northwest Princeton  reported that power was out on the northwest side of town.  There was a 2 inch diameter tree limb down in the driveway.  They also reported pea sized hail and heavy rain.

Thunderstorm Wind in BUREAU, ILLINOIS
From 03-JUN-20 07:15:00 to 03-JUN-20 07:15:00 (CST-6)
Location: PRINCETON
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The COOP Observer reported that a tree was down over the street and that several smaller branches were also down.

Thunderstorm Wind in BUREAU, ILLINOIS
From 03-JUN-20 07:15:00 to 03-JUN-20 07:15:00 (CST-6)
Location: PRINCETON
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Emergency Manager reported numerous trees down in town with power outages.

Thunderstorm Wind in BUREAU, ILLINOIS
From 03-JUN-20 06:59:00 to 03-JUN-20 06:59:00 (CST-6)
Location: WYANET
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A public report,  via social media, with pictures of two destroyed empty grain bins and a toppled elevator at this location. The time of the event was estimated using radar.

Flash Flood in BUREAU, ILLINOIS
From 03-JUN-20 07:19:00 to 03-JUN-20 10:19:00 (CST-6)
Location: PRINCETON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Emergency Manager reported water 6 to 8 inches deep flowing over the streets in town, making driving difficult if not impossible.

Thunderstorm Wind in PUTNAM, ILLINOIS
From 03-JUN-20 07:29:00 to 03-JUN-20 07:29:00 (CST-6)
Location: HENNEPIN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The COOP Observer reported a tree down and several other large tree limbs down on the garage. A wind gauge over the garage door measured a peak gust of 60 MPH.  They also reported golf ball sized hail.

Thunderstorm Wind in WARREN, ILLINOIS
From 03-JUN-20 08:50:00 to 03-JUN-20 08:50:00 (CST-6)
Location: CAMERON
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A 911 Operator reported that power lines were down in Cameron due to thunderstorm winds.