Several shortwaves moved through the region with several waves of showers and storms through the evening on August 25th and into the early morning hours on August 26th. Up to 6 inches of rain fell, along and just south of I-70 over portions of east central Missouri. There were numerous reports of flash flooding in this area.

Flash Flood in MONTGOMERY, MISSOURI
From 26-AUG-19 03:45:00 to 26-AUG-19 07:00:00 (CST-6)
Location: DANVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Up to five inches of rain fell in a short amount of time causing flash flooding, mainly along and south of Interstate 70 in Montgomery County. Numerous roads were flooded including portions of the south outer road along I-70 near mile marker 186. MODOT closed Route K between Route HH and State Highway 19 due to flash flooding. They also closed Route Y east of State Highway 19 just east of Big Spring.

Flash Flood in WARREN, MISSOURI
From 26-AUG-19 02:45:00 to 26-AUG-19 09:00:00 (CST-6)
Location: PENDLETON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Up to 6 inches of rain fell in a short amount of time causing flash flooding across a large portion of Warren County. Numerous roads were flooded including Highway 47, especially north of Warrenton.  MODOT closed both Route TT between Highway 94 and Route T and Route D in Marthasville due to flash flooding. At least one swift water rescue was performed near Marthasville due to the flash flooding.

Flash Flood in LINCOLN, MISSOURI
From 26-AUG-19 05:00:00 to 26-AUG-19 08:00:00 (CST-6)
Location: TRUXTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Up to three inches of rain fell in a short amount of time causing flash flooding. Several roads were flooded and closed over the southwestern sections of the county.

Flash Flood in ST. LOUIS, MISSOURI
From 26-AUG-19 06:00:00 to 26-AUG-19 10:00:00 (CST-6)
Location: ALLENTON
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Up to six inches of rain fell in a short amount of time causing flash flooding. The hardest hit areas were in Eureka, Peerless Park, Fenton, Valley Park, Wildwood and Chesterfield. Near Eureka, a woman drove into flood waters on a rural road not realizing how deep it was. She became stranded and had no cell service. Fortunately her car had OnStar and was able to call for help. She abandoned her vehicle and clung to a tree for 40 minutes before being rescued. Another water rescue was performed at Meramec Station and Smizer Mill Road.  Another driver was trying to turn around on Hwy 109 near LaSalle Springs Middle School to avoid the flood waters when another vehicle coming towards them caused a wave that swapped their car and caused it to stall. A man in a large truck was able to rescue the driver before it floated away.  Highway 141 was flooded once again where it goes under I-44 and had to be closed for a time. Fox Creek just southwest of Allenton rose well above its banks in the southern portion of a large campground. Staff were able to warn people camped in that area to move to higher ground.  The ball fields at Eureka High School were flooded for a second time in a month due to the nearby creek rising well out of its banks. In Wildwood, a horse was swept away by the flood waters. Fortunately he was found safe and sound about a quarter mile downstream. Portions of downtown Eureka were flooded once again. Several businesses sustained flood damage.  No deaths or injuries were reported from the flash flooding.

Flash Flood in ST. CHARLES, MISSOURI
From 26-AUG-19 07:00:00 to 26-AUG-19 09:00:00 (CST-6)
Location: AUGUSTA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Up to five inches of rain fell in the southwestern portions of St. Charles County causing flash flooding. Femme Osage Creek Road had portions of it washed out due to flash flooding between Cappeln Osage Road and Becker-Joerling Road.

Flash Flood in FRANKLIN, MISSOURI
From 26-AUG-19 07:00:00 to 26-AUG-19 09:00:00 (CST-6)
Location: SOUTH PT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Up to five inches of rain fell in a short amount of time causing flash flooding. Several roads in the far northeastern portions of Franklin County were flooded. One social media post was a video of water flowing through a subdivision in St. Albans.

Flash Flood in CALLAWAY, MISSOURI
From 26-AUG-19 04:00:00 to 26-AUG-19 05:30:00 (CST-6)
Location: READSVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Four to five inches fell in a couple of hours causing flash flooding in eastern portions of the county. Several roads were flooded. Parts of Highway K were washed out near the intersection with County Road 4057. One of the washed out areas caused a two car accident 2 hours after the event ended. Two people sustained minor injuries in this accident.