Heavy rain-producing showers and thunderstorms moved across much of eastern Iowa and northwest and west central Illinois from the evening of May 25th to the early morning of May 26th.  Some of the stronger storms also produced tornadoes, damaging winds, and large hail.  Buchanan, Delaware, and Dubuque counties in Iowa were hardest hit with the heavy rains, where rainfall totals of 3 to 8 inches fell resulting in flash flooding.

Thunderstorm Wind in LOUISA, IOWA
From 25-MAY-08 23:10:00 to 25-MAY-08 23:10:00 (CST-6)
Location: MORNING SUN
Magnitude: 56.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Public

Winds estimated to be 65 mph destroyed a barn just east of Morning Sun, IA around 12:10 am.  Some new corn was also blown over.

Thunderstorm Wind in MUSCATINE, IOWA
From 25-MAY-08 23:05:00 to 25-MAY-08 23:05:00 (CST-6)
Location: FRUITLAND
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A wind gust was measured to be 60 mph near Fruitland, IA around 12:05 am.

Thunderstorm Wind in DES MOINES, IOWA
From 25-MAY-08 23:17:00 to 25-MAY-08 23:17:00 (CST-6)
Location: YARMOUTH
Magnitude: 56.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Winds estimated to be 65 mph blew down a telephone utility pole onto 205th Avenue south of County Highway H38 south of Yarmouth, IA partially blocking the road.

Tornado in BUCHANAN, IOWA
From 25-MAY-08 17:40:00 to 25-MAY-08 17:45:00 (CST-6)
Location: LAMONT
Tornado F-scale: EF1
Property damage: 50.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A brief tornado enhanced by the rear-flank downdraft (RFD) winds moved east about 3.5 miles and lifted. Location and time estimated.  Some outbuildings and trees along the path were damaged.

Thunderstorm Wind in DES MOINES, IOWA
From 25-MAY-08 23:19:00 to 25-MAY-08 23:19:00 (CST-6)
Location: LENOX PARK
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A wind gust was estimated to be 58 mph in Burlington, IA around 12:19 am.

Thunderstorm Wind in DUBUQUE, IOWA
From 25-MAY-08 19:15:00 to 25-MAY-08 19:15:00 (CST-6)
Location: PEOSTA
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Winds estimated to be 65 mph caused some tree damage in Peosta, IA around 8:15 pm.  This report was relayed by KWWL TV.

Flash Flood in DELAWARE, IOWA
From 25-MAY-08 20:55:00 to 25-MAY-08 20:55:00 (CST-6)
Location: MANCHESTER ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Heavy rains of 2 to 6 inches has resulted in water covering some roads in the vicinity of Manchester, IA.  Highway 13 had to be closed due to the flood waters.

Thunderstorm Wind in JOHNSON, IOWA
From 25-MAY-08 22:41:00 to 25-MAY-08 22:41:00 (CST-6)
Location: LAKE MACBRIDE SP
Magnitude: 56.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Winds estimated to be 65 mph blew 48 boats, which were tied to a boat dock, about 3 miles from their original location at Lake MacBride State Park around 11:41 pm.  Damage was sustained to the boat rental docks and rental boats.

Thunderstorm Wind in JOHNSON, IOWA
From 25-MAY-08 22:45:00 to 25-MAY-08 22:45:00 (CST-6)
Location: OAKDALE
Magnitude: 61.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winds estimated to be 70 mph uprooted a 20 inch diameter tree and overturned a shed and camper at Western Hills Estates Mobile Home Park around 11:45 pm.

Thunderstorm Wind in JOHNSON, IOWA
From 25-MAY-08 22:46:00 to 25-MAY-08 22:46:00 (CST-6)
Location: SOLON
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Winds estimated to be 60 mph lifted a front porch awning up and over a house along Quincy Rd NE just southwest of Solon, IA around 11:46 pm.  The house also sustained damage to the roof including missing shingles and nearby trees were also damaged.

Thunderstorm Wind in JOHNSON, IOWA
From 25-MAY-08 22:47:00 to 25-MAY-08 22:47:00 (CST-6)
Location: SOLON
Magnitude: 60.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Winds estimated to be 60 mph broke the grain transport equipment off the top of some grain bins located along Jordan Creek Rd NE just south of Solon, IA around 11:47 pm.

Thunderstorm Wind in LINN, IOWA
From 25-MAY-08 22:10:00 to 25-MAY-08 22:10:00 (CST-6)
Location: MARION
Magnitude: 61.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winds estimated to be 70 mph blew down several large trees on the northwest side of Marion, IA resulting in scattered power outages around 11:10 pm.

Thunderstorm Wind in LINN, IOWA
From 25-MAY-08 22:20:00 to 25-MAY-08 22:20:00 (CST-6)
Location: CEDAR RAPIDS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Winds estimated to be 60 mph blew down several 6 inch diameter branches in the vicinity of I 380 and 6th Avenue in Cedar Rapids, IA.

Thunderstorm Wind in LINN, IOWA
From 25-MAY-08 22:24:00 to 25-MAY-08 22:24:00 (CST-6)
Location: CEDAR RAPIDS
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts estimated to be 65 mph were observed in Cedar Rapids, IA around 11:24 pm.

Flash Flood in BUCHANAN, IOWA
From 25-MAY-08 22:25:00 to 26-MAY-08 00:30:00 (CST-6)
Location: HAZLETON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Heavy rains of 3 to 8 inches resulted in some flooded country roads and significant flooding of agricultural fields in the vicinity of Stanley, IA.

Tornado in DELAWARE, IOWA
From 25-MAY-08 17:50:00 to 25-MAY-08 18:10:00 (CST-6)
Location: DUNDEE
Tornado F-scale: EF1
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Tornado moved from Buchanan County into Delaware County. It was on the ground for about 11 miles before it lifted near Oneida.  Some farmsteads, trees, and power lines were damaged.

Tornado in DELAWARE, IOWA
From 25-MAY-08 18:31:00 to 25-MAY-08 18:40:00 (CST-6)
Location: PETERSBURG
Tornado F-scale: EF1
Property damage: 100.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tornado touched down southwest of Petersburg and moved east for approximately 7 miles to the Delaware-Dubuque county line.  Along its path, trees, power poles, and numerous farm outbuildings were damaged.  It continued to track into Dubuque County.

Flash Flood in BUCHANAN, IOWA
From 25-MAY-08 20:00:00 to 25-MAY-08 23:00:00 (CST-6)
Location: LAMONT
Flood cause: Heavy Rain
Property damage: 1.00M
Crop damage: 0.00K
Reported by: Newspaper

Heavy rains of 4 to 8 inches caused flash flooding in the vicinity of Lamont, IA during the late evening hours of May 25th.  The fast moving water washed out a bridge in town.  The flood waters damaged 240 of the town's 280 homes.

Tornado in BUCHANAN, IOWA
From 25-MAY-08 17:05:00 to 25-MAY-08 17:50:00 (CST-6)
Location: FAIRBANK
Tornado F-scale: EF3
Property damage: 1.00M
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tornado developed just east of the county lines southwest of Fairbank and moved east.  The tornado cross the southern part of Hazelton and continued east into Delaware County. Over ten homes, about 50 non-anchored mobile homes at a dealership, and numerous outbuildings were destroyed.  Several other homes sustained structural damage.  Numerous trees and utility poles were also blown down. An SUV was flipped over in Hazelton injuring the driver and some passengers.

Tornado in DUBUQUE, IOWA
From 25-MAY-08 18:40:00 to 25-MAY-08 18:43:00 (CST-6)
Location: NEW VIENNA
Tornado F-scale: EF1
Property damage: 250.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Tornado moved from Delaware County into Dubuque County.  The tornado moved southeast across New Wine Park, damaging over 1,000 trees.  It also damaged a barn and hay shelter before lifting near the intersection of Highway 136 and Floyd Road.

Tornado in IOWA, IOWA
From 25-MAY-08 22:06:00 to 25-MAY-08 22:19:00 (CST-6)
Location: VICTOR
Tornado F-scale: EF1
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tornado moved east just south of I 80 from mile marker 205 south of Victor, IA to mile marker 211 south of Ladora, IA.  Several gin bins and other farm outbuildings were either damaged or destroyed.  Some utility poles and trees along the path were blown down and at least one home sustained roof damage.  One tree fell onto a mobile home destroying it.

Thunderstorm Wind in JONES, IOWA
From 25-MAY-08 22:30:00 to 25-MAY-08 22:30:00 (CST-6)
Location: MARTELLE
Magnitude: 56.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Winds estimated to be 65 mph destroyed a grain bin blowing it 150 to 250 yards into a farm field near Martel, IA around 11:30 pm.

Thunderstorm Wind in JEFFERSON, IOWA
From 25-MAY-08 22:32:00 to 25-MAY-08 22:32:00 (CST-6)
Location: FAIRFIELD
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 in Fairfield, IA.  The visibility was near zero due to the heavy rain.

Thunderstorm Wind in JONES, IOWA
From 25-MAY-08 22:35:00 to 25-MAY-08 22:35:00 (CST-6)
Location: ANAMOSA
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts were estimated to be 65 mph in Anamosa, IA around 11:35 pm.

Thunderstorm Wind in LINN, IOWA
From 25-MAY-08 22:39:00 to 25-MAY-08 22:39:00 (CST-6)
Location: (CID)CEDAR RAPIDS AR
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A wind gust of 58 mph was measured at the automated observing system at the Cedar Rapids Airport.

Thunderstorm Wind in LINN, IOWA
From 25-MAY-08 22:41:00 to 25-MAY-08 22:41:00 (CST-6)
Location: MARION
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Winds estimated to be 60 mph blew down some branches near Lindale Mall in Marion, IA.  There was also a power outage in the vicinity of the mall.

Flash Flood in BUCHANAN, IOWA
From 25-MAY-08 20:00:00 to 25-MAY-08 23:00:00 (CST-6)
Location: AURORA
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Newspaper

Heavy rains of 3 to 8 inches caused flash flooding in the vicinity of Aurora, IA during the late evening hours of May 25th.

Flash Flood in DELAWARE, IOWA
From 25-MAY-08 20:00:00 to 25-MAY-08 23:00:00 (CST-6)
Location: BACKBONE STATE PARK
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Newspaper

Heavy rains of 3 to 7 inches caused flash flooding in the vicinity of Backbone State Park, IA during the late evening hours of May 25th and early morning of May 26th.  The flash flooding overwhelmed the four miles of roads and bridges throughout the park leaving holes three feet deep.  Several trees fell due to the saturated soil conditions.

Flash Flood in DUBUQUE, IOWA
From 25-MAY-08 21:00:00 to 26-MAY-08 01:00:00 (CST-6)
Location: DYERSVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Heavy rains of 3 to 8 inches caused flash flooding of western parts of Dyersville, IA during the late evening of May 25th and early morning of May 26th.  The North Fork Maquoketa River and Bear Creek were particularly affected with flooding.  Some streets in town had to be closed due to the flood waters as well as Floyd Road and 180th Street in rural areas.

Hail in DUBUQUE, IOWA
From 25-MAY-08 21:01:00 to 25-MAY-08 21:01:00 (CST-6)
Location: DYERSVILLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Quarter-sized hail fell in Dyersville, IA shortly after 10:01 pm on May 25th according to the Dyersville emergency management director.

Hail in BUCHANAN, IOWA
From 25-MAY-08 16:50:00 to 25-MAY-08 16:50:00 (CST-6)
Location: FAIRBANK
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Nickel-sized hail fell just west of Fairbank, IA around 5:50 pm.

Hail in DELAWARE, IOWA
From 25-MAY-08 19:31:00 to 25-MAY-08 19:31:00 (CST-6)
Location: TWIN BRIDGES PARK
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Golf ball-sized hail fell just east of Greeley, IA around 8:31 pm.

Hail in DUBUQUE, IOWA
From 25-MAY-08 20:00:00 to 25-MAY-08 20:00:00 (CST-6)
Location: PEOSTA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

The public reported hail the size of a nickel in Peosta.  This report was relayed by KWWL TV.

Hail in BENTON, IOWA
From 25-MAY-08 21:11:00 to 25-MAY-08 21:11:00 (CST-6)
Location: GARRISON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Quarter-sized hail fell just east of Dysart, IA around 10:11 pm.

Hail in CLINTON, IOWA
From 25-MAY-08 22:32:00 to 25-MAY-08 22:32:00 (CST-6)
Location: CHARLOTTE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Penny-sized hail fell in Charlotte, IA around 11:32 pm.

Tornado in JOHNSON, IOWA
From 25-MAY-08 22:38:00 to 25-MAY-08 22:39:00 (CST-6)
Location: NORTH LIBERTY
Tornado F-scale: EF0
Property damage: 10.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A brief tornado spun up where two intersecting boundaries enhanced a strengthening updraft.  A house incurred minor damage to the gutters and  siding, and lost some shingles off the roof.  The garage door was also blown in.  Several trees were uprooted and a few were snapped off.

Flash Flood in DELAWARE, IOWA
From 25-MAY-08 20:00:00 to 25-MAY-08 22:00:00 (CST-6)
Location: EDGEWOOD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Heavy rains of 3 to 8 inches has resulted in water covering some roads in the vicinity of Edgewood, IA.

Thunderstorm Wind in DUBUQUE, IOWA
From 25-MAY-08 20:30:00 to 25-MAY-08 20:30:00 (CST-6)
Location: KEY WEST
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts estimated to be 60 mph were reported about 5 miles south southeast of Dubuque, IA at 9:30 pm.  Pea-sized hail was also observed.

Thunderstorm Wind in DELAWARE, IOWA
From 25-MAY-08 20:40:00 to 25-MAY-08 20:40:00 (CST-6)
Location: MANCHESTER ARPT
Magnitude: 61.00 EG
Property damage: 0.05K
Crop damage: 0.00K
Reported by: Trained Spotter

Winds estimated to be 60 to 70 mph snapped a 2 inch diameter tree off about 2 inches above the ground and bent a flag pole about 3 miles northwest of Manchester, IA.

Hail in DELAWARE, IOWA
From 25-MAY-08 17:55:00 to 25-MAY-08 17:55:00 (CST-6)
Location: DUNDEE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Nickel to quarter-sized hail fell in Dundee at 655 pm.

Hail in BUCHANAN, IOWA
From 25-MAY-08 17:47:00 to 25-MAY-08 17:47:00 (CST-6)
Location: LAMONT
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Golf ball-sized hail fell just west of Lamont, IA around 6:47 pm.

Hail in BUCHANAN, IOWA
From 25-MAY-08 18:37:00 to 25-MAY-08 18:37:00 (CST-6)
Location: HAZLETON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Penny-sized hail fell in Hazleton, IA around 7:37 pm.

Hail in DUBUQUE, IOWA
From 25-MAY-08 18:48:00 to 25-MAY-08 18:48:00 (CST-6)
Location: DYERSVILLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Quarter-sized hail fell just north of Dyersville, IA around 7:48 pm.

Hail in DUBUQUE, IOWA
From 25-MAY-08 19:18:00 to 25-MAY-08 19:18:00 (CST-6)
Location: ASBURY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Penny-sized hail fell just west of Dubuque, IA around 8:18 pm.

Flash Flood in DELAWARE, IOWA
From 25-MAY-08 20:00:00 to 25-MAY-08 22:00:00 (CST-6)
Location: DUNDEE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Heavy rains of 3 to 8 inches has resulted in water covering some roads in the vicinity of Dundee, IA.

Thunderstorm Wind in IOWA, IOWA
From 25-MAY-08 22:15:00 to 25-MAY-08 22:15:00 (CST-6)
Location: MILLERSBURG
Magnitude: 56.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Newspaper

Winds estimated to be 65 mph destroyed a machine shed a couple of miles southwest of Millersburg, IA around 11:15 pm on May 25th.  According to emergency management officials, a man was injured and taken to a hospital after being hit by a tree limb.