Cloudy skies along with scattered showers and thunderstorms continued across much of the area August 27. While most locations saw rainfall amounts ranging from a few tenths of an inch up to 2 to 3 inches, a heavier band or rain fell from Cedar Rapids to Dubuque. Amounts in this area ranged from 3 to 6 inches, causing many area roads to be closed during the afternoon and evening due to flash flooding.

Flash Flood in BENTON, IOWA
From 27-AUG-09 08:50:00 to 27-AUG-09 19:00:00 (CST-6)
Location: GARRISON
Flood cause: Heavy Rain
Property damage: 250.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Heavy rains of 3 to 8 inches resulted in some flash flooding across parts of Benton County on August 27.  Some areas particularly hard hit were Keystone, Van Horne, Garrison, and Shellsburg.  Prairie Creek experienced unprecedented flooding.  It flooded an entire pasture and filled some ditches along Highway 30.  Mud Creek also flooded out of its banks.  Much of the area experienced standing water and some residences reported flooded basements.  Several roads around Shellsburg were closed due to the flood waters flowing over roadways.

Flash Flood in JONES, IOWA
From 27-AUG-09 13:36:00 to 27-AUG-09 21:00:00 (CST-6)
Location: MONTICELLO
Flood cause: Heavy Rain
Property damage: 500.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rains resulted in flash flooding across parts of Jones County on August 27.  Some areas particularly hard hit were Anamosa, Monticello, and Center Junction.  Several roads were closed due to the flood waters.  Highway 151 was closed between Anamosa and Monticello due to flooding of Kitty Creek.  Buffalo Creek flooded out of its banks flooding low lying areas.  Bear Creek flooded 140th Avenue and Madison Road near Center Junction.  The flood waters were 1.5 feet deep.

Flash Flood in SCOTT, IOWA
From 27-AUG-09 18:30:00 to 27-AUG-09 21:00:00 (CST-6)
Location: NEW LIBERTY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Heavy rains resulted in flash flooding of Hickory and Mud Creeks along Highway 130 near Plainview, IA during the evening of August 27.  Agricultural fields were flooded.

Flash Flood in JOHNSON, IOWA
From 27-AUG-09 17:54:00 to 27-AUG-09 22:00:00 (CST-6)
Location: SOLON
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Heavy rains resulted in flash flooding in Solon, IA along Mill Creek during the evening of August 27.

Flash Flood in CLINTON, IOWA
From 27-AUG-09 08:15:00 to 27-AUG-09 22:00:00 (CST-6)
Location: WELTON
Flood cause: Heavy Rain
Property damage: 500.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Heavy rains of 3 to 6 inches resulted in some flash flooding across much of Clinton County on August 27.  Some areas particularly hard hit were De Witt, Welton, and Charlotte.  Several residences experienced flooded basements.  Two large trees fell over due to erosion from running water in De Witt.  Street flooding was also common across the area. Old Highway 61 had water over it in the Welton area.  Some residences in Charlotte had to be evacuated due to the rising flood waters.  An off-duty NWS employee also contributed to this report.

Flash Flood in LINN, IOWA
From 27-AUG-09 07:24:00 to 27-AUG-09 22:00:00 (CST-6)
Location: COGGON
Flood cause: Heavy Rain
Property damage: 500.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rains of 5 to 9 inches resulted in flash flooding of much of Linn County on August 27.  Several streets and county roads were closed due to the flood waters.  Some areas particularly hard hit were Cedar Rapids, Bertram, Central City, and Coggon.  Some vehicles were stranded in the flood waters. Several residences experienced flooding in their basements.  Numerous streams and creeks flooded out of their banks.  Trained spotters and broadcast media also contributed to this report.

Flash Flood in MUSCATINE, IOWA
From 27-AUG-09 18:30:00 to 27-AUG-09 20:30:00 (CST-6)
Location: STOCKTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Heavy rains resulted in flash flooding along Mud Creek near Stockton, IA during the evening of August 27.

Flash Flood in WASHINGTON, IOWA
From 27-AUG-09 17:56:00 to 27-AUG-09 23:00:00 (CST-6)
Location: RIVERSIDE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Heavy rains resulted in considerable standing water in the Riverside, IA area during the evening of August 27.  The flood waters were close to over-topping area roads around 7 pm.