A warm front draped across northern Missouri and west central Illinois was the focal point for the repeated development of heavy rain-producing showers and thunderstorms during the late evening of June 2 through the early morning of June 4.  Scattered showers and thunderstorms initially developed along the boundary over southeast Iowa, northeast Missouri, and west central Illinois during the late evening and overnight hours.  Between 6 and 10 am on June 3, a bowing line of thunderstorms raced southeast out of central Iowa into central Illinois producing heavy rains and damaging winds.  Behind the system, strong gradient winds were observed, with an isolated gust causing some tree damage in Davenport, IA.  Additional heavy rains fell during the late evening of June 3 in Burlington, IA which resulted in some flooded streets.

Flash Flood in DES MOINES, IOWA
From 03-JUN-08 23:06:00 to 04-JUN-08 00:00:00 (CST-6)
Location: WEST BURLINGTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several rounds of thunderstorms moved across the Burlington, IA area from early on June 3 through the early morning of June 4.  An additional 1.5 inches of rain fell between 11:00 pm and 12:00 am making the 25 hour rainfall total just under 3 inches.  Shortly after 12:00 am on June 4, street flooding was observed on Roosevelt Avenue between Mt Pleasant Street and Kirkwood Street where the flood waters were 3 to 4 inches deep.

Flash Flood in JOHNSON, IOWA
From 03-JUN-08 07:28:00 to 03-JUN-08 12:00:00 (CST-6)
Location: CORALVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Heavy rains of 1 to 2.5 inches in a short amount of time resulted in flash flooding of some streets near the intersection of Melrose Ave. and Mormon Trek Blvd. in Iowa City.  The location in question is a low spot in the road that is prone to flooding.  This report was relayed by a trained spotter.

Thunderstorm Wind in LEE, IOWA
From 03-JUN-08 08:05:00 to 03-JUN-08 08:05:00 (CST-6)
Location: KEOKUK
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winds estimated to be 60 mph blew down some branches and stripped the leaves off of some trees in Keokuk, IA. In addition, heavy rains estimated to be around 1 inch fell in about 20 minutes.

Flash Flood in KEOKUK, IOWA
From 03-JUN-08 06:40:00 to 03-JUN-08 12:00:00 (CST-6)
Location: GIBSON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Heavy rains of 1 to 2.5 inches fell in under an hour resulting in some flash flooding from What Cheer, Iowa to South English, Iowa during the morning and early afternoon hours of June 3.

High Wind in SCOTT, IOWA
From 03-JUN-08 10:00:00 to 03-JUN-08 10:00:00 (CST-6)
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Strong easterly gradient winds behind the storm system estimated to be gusting to 60 mph blew down a 4 to 6 inch diameter branch near the intersection of 53rd Street and Utica Ridge Road on the northeast side of Davenport, IA.  Time estimated.

Thunderstorm Wind in KEOKUK, IOWA
From 03-JUN-08 06:30:00 to 03-JUN-08 06:30:00 (CST-6)
Location: WHAT CHEER
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winds estimated to be 60 mph blew down some 2 inch diameter branches around 7:30 am on June 3 in the vicinity of What Cheer, IA.

Flash Flood in IOWA, IOWA
From 03-JUN-08 06:59:00 to 03-JUN-08 12:00:00 (CST-6)
Location: LADORA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rains of 1 to 2 inches fell in a short amount of time resulting in some flash flooding in several parts of Iowa County during the morning and early afternoon hours of June 3.  Highway 6 between Ladora and South Amana  and 240th street just west of Williamsburg were flooded as well as several other rural roads across the area.

Flash Flood in WASHINGTON, IOWA
From 03-JUN-08 07:26:00 to 03-JUN-08 12:00:00 (CST-6)
Location: KALONA ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Heavy rains of 1.5 to 2.5 inches fell in a short amount of time resulting in some flash flooding in Kalona, Iowa during the morning and early afternoon hours of June 3.  Highway 22 and some other streets in town were flooded and impassable.