A stationary front lingered over the region for a couple of days with several rounds of storms, producing very heavy rainfall and flash flooding.  Also, some storms became severe with damaging winds and large hail reported.

Flash Flood in CALLAWAY, MISSOURI
From 15-JUN-09 06:35:00 to 15-JUN-09 10:30:00 (CST-6)
Location: SHAMROCK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Rain in excess of 3 inches had fallen in a short amount of time causing flash flooding.  Several spots along County roads 261 and 262 were flooded as well as U.S. Highway 54 south of Kingdom City.  Also, the north outer road of Interstate 70 three miles east of Williamsburg was flooded as well as the south outer road between mile markers 150 and 151.  Numerous other county roads were flooded as well.

Flash Flood in MONTGOMERY, MISSOURI
From 15-JUN-09 06:45:00 to 15-JUN-09 12:00:00 (CST-6)
Location: WELLSVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

In excess of three inches of rain fell in a short amount of time, mainly along the Interstate 70 corridor.  Interstate 70 and adjacent outer roads at the Montgomery/Warren county line were under several feet of water at various locations. Parts of Interstate 70 had to be shut down due to the flooding.  Also, parts of Highway 19 had to be shut down due to flash flooding as well.

Flash Flood in WARREN, MISSOURI
From 15-JUN-09 07:10:00 to 15-JUN-09 12:00:00 (CST-6)
Location: NEW TRUXTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

In excess of three inches fell in a short amount of time over portions of Warren county.  Highway U at Booneslick Road was flooded and Highway 47 was flooded in spots south of Warrenton.  Also, Interstate 70 and adjacent access roads were flooded in spots near the Warren/Montgomery county line.

Flash Flood in ST. CHARLES, MISSOURI
From 15-JUN-09 08:25:00 to 15-JUN-09 14:00:00 (CST-6)
Location: FORISTELL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Up to four inches of rain fell in a short amount of time over a large portion of St. Charles county.  Numerous secondary roads were flooded.  An off duty weather service employee reported several feet of flowing water through his back yard in St. Peters.  Numerous streams were out of their banks and several homes in Wentzville had a couple of feet of water in their basements.

Flash Flood in ST. LOUIS (C), MISSOURI
From 15-JUN-09 09:05:00 to 15-JUN-09 13:30:00 (CST-6)
Location: CARONDELET
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Up to three inches of rain fell in a short amount of time causing flash flooding.  Over a foot of water covered the intersection of Interstate 70 and 55 downtown.

Hail in IRON, MISSOURI
From 15-JUN-09 09:26:00 to 15-JUN-09 09:26:00 (CST-6)
Location: SABULA
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in MADISON, MISSOURI
From 15-JUN-09 09:55:00 to 15-JUN-09 09:55:00 (CST-6)
Location: CHOBB STORE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in REYNOLDS, MISSOURI
From 15-JUN-09 11:40:00 to 15-JUN-09 11:40:00 (CST-6)
Location: CENTERVILLE
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in MONITEAU, MISSOURI
From 15-JUN-09 23:30:00 to 15-JUN-09 23:30:00 (CST-6)
Location: TIPTON
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Thunderstorm winds blew the roof off of two barns, one barn was blown completely over, and numerous trees and power lines were blown down.

Thunderstorm Wind in BOONE, MISSOURI
From 16-JUN-09 00:12:00 to 16-JUN-09 00:14:00 (CST-6)
Location: EASLEY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Thunderstorm winds blew down several trees on Highway N near Easley and on Highway A near Hartsburg.

Thunderstorm Wind in JEFFERSON, MISSOURI
From 16-JUN-09 01:50:00 to 16-JUN-09 01:50:00 (CST-6)
Location: HILLSBORO
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Thunderstorm winds caused minor to moderate roof and siding damage to several homes under construction.

Flash Flood in ST. LOUIS, MISSOURI
From 15-JUN-09 08:35:00 to 15-JUN-09 14:00:00 (CST-6)
Location: HAZELWOOD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Up to four inches of rain fell in a short amount of time causing flash flooding.  One northbound lane of Highway 141 near the intersection with Clayton Road was closed. Also, several roads in the Maryland Heights, Town and Country, Bel-Ridge, Maplewood, Shrewsbury, and University City areas had over 6 inches of water flowing over them.

Thunderstorm Wind in REYNOLDS, MISSOURI
From 15-JUN-09 08:55:00 to 15-JUN-09 09:05:00 (CST-6)
Location: LESTERVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds blew down several large trees onto Highway N just northwest of Lesterville and onto Highway 49 just east of Lesterville.