A warm front moving north triggered slow moving severe thunderstorms across the area. The storms produced wind and hail damage and localized flash flooding.

Hail in RANDOLPH, ILLINOIS
From 25-MAY-08 15:39:00 to 25-MAY-08 15:39:00 (CST-6)
Location: RED BUD
Magnitude: 1.75 
Reported by: Trained Spotter

Numerous reports of hail from nickel to golf ball size were received from storm spotters and the general public.

Hail in RANDOLPH, ILLINOIS
From 25-MAY-08 15:45:00 to 25-MAY-08 15:50:00 (CST-6)
Location: STEELEVILLE
Magnitude: 1.25 
Property damage: 7.00K
Reported by: Trained Spotter

Storm spotters reported hail up to 1 1/4 inch fell for about five minutes. A couple of vehicles were damaged.

Hail in RANDOLPH, ILLINOIS
From 25-MAY-08 15:50:00 to 25-MAY-08 15:50:00 (CST-6)
Location: RUMA
Magnitude: 0.88 
Reported by: Trained Spotter

Hail in RANDOLPH, ILLINOIS
From 25-MAY-08 16:00:00 to 25-MAY-08 16:00:00 (CST-6)
Location: BALDWIN
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in RANDOLPH, ILLINOIS
From 25-MAY-08 16:00:00 to 25-MAY-08 16:30:00 (CST-6)
Location: SPARTA
Magnitude: 1.00 
Reported by: Trained Spotter

Storm spotters reported hail up to one inch fell on and off for about 30 minutes.

Hail in RANDOLPH, ILLINOIS
From 25-MAY-08 17:03:00 to 25-MAY-08 17:03:00 (CST-6)
Location: STEELEVILLE
Magnitude: 0.75 
Reported by: Trained Spotter

Hail in MADISON, ILLINOIS
From 25-MAY-08 21:23:00 to 25-MAY-08 21:23:00 (CST-6)
Location: COLLINSVILLE
Magnitude: 0.88 
Reported by: Amateur Radio

Amateur radio spotters reported nickel size hail.

Hail in ST. CLAIR, ILLINOIS
From 25-MAY-08 21:26:00 to 25-MAY-08 21:26:00 (CST-6)
Location: SMITHTON
Magnitude: 0.75 
Reported by: Emergency Manager

Hail in MADISON, ILLINOIS
From 25-MAY-08 21:35:00 to 25-MAY-08 21:35:00 (CST-6)
Location: TROY
Magnitude: 0.75 
Reported by: Trained Spotter

Hail in MARION, ILLINOIS
From 25-MAY-08 22:35:00 to 25-MAY-08 22:35:00 (CST-6)
Location: SALEM
Magnitude: 0.88 
Reported by: Trained Spotter

Thunderstorm Wind in RANDOLPH, ILLINOIS
From 25-MAY-08 15:50:00 to 25-MAY-08 15:50:00 (CST-6)
Location: PERCY
Magnitude: 55.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Newspaper

Thunderstorm winds ripped the siding off a wall of a house. A couple of trees and large limbs were also downed in the area.

Hail in MADISON, ILLINOIS
From 25-MAY-08 12:00:00 to 25-MAY-08 12:00:00 (CST-6)
Location: HIGHLAND
Magnitude: 0.75 
Reported by: COOP Observer

Hail in MADISON, ILLINOIS
From 25-MAY-08 12:28:00 to 25-MAY-08 12:28:00 (CST-6)
Location: GLEN CARBON
Magnitude: 1.00 
Reported by: Trained Spotter

Storm spotters reported hail up to one inch on Collinsville Road.

Hail in MADISON, ILLINOIS
From 25-MAY-08 12:35:00 to 25-MAY-08 12:35:00 (CST-6)
Location: EDWARDSVILLE
Magnitude: 0.88 
Reported by: Trained Spotter

Thunderstorm Wind in BOND, ILLINOIS
From 25-MAY-08 16:30:00 to 25-MAY-08 16:30:00 (CST-6)
Location: OLD RIPLEY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

A tree was downed on Route 140 in the Mill Hill area.

Thunderstorm Wind in BOND, ILLINOIS
From 25-MAY-08 16:55:00 to 25-MAY-08 16:55:00 (CST-6)
Location: MULBERRY GROVE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Trees were downed along I-70 at the Mulberry Grove exit.

Hail in MADISON, ILLINOIS
From 25-MAY-08 12:52:00 to 25-MAY-08 12:52:00 (CST-6)
Location: HIGHLAND
Magnitude: 0.88 
Reported by: Trained Spotter

Hail in MONROE, ILLINOIS
From 25-MAY-08 14:50:00 to 25-MAY-08 14:50:00 (CST-6)
Location: MONROE CITY
Magnitude: 1.00 
Reported by: Amateur Radio

Amateur radio spotters reported one inch hail at Bluff Road and Route KK.

Thunderstorm Wind in MONROE, ILLINOIS
From 25-MAY-08 14:50:00 to 25-MAY-08 14:50:00 (CST-6)
Location: WATERLOO
Magnitude: 55.00 EG
Property damage: 5.00K
Reported by: Trained Spotter

Thunderstorm winds took the roof off the Waterloo High School Baseball stadium equipment shed and one dugout. Storm spotters reported large tree limbs down. Power lines were also down and a couple of roads were blocked by the trees limbs. County highway department personnel had to remove trees from Tout Hollow Road, LL Road, Beck Road, and Bluff Road.

Hail in MONROE, ILLINOIS
From 25-MAY-08 14:55:00 to 25-MAY-08 14:55:00 (CST-6)
Location: MAEYSTOWN
Magnitude: 0.75 
Reported by: Amateur Radio

Hail in MONROE, ILLINOIS
From 25-MAY-08 15:12:00 to 25-MAY-08 15:14:00 (CST-6)
Location: HECKER
Magnitude: 1.25 
Reported by: Trained Spotter

Storm spotters reported several minutes of hail up to 1 1/4 inch in diameter near the Randolph County line.

Hail in RANDOLPH, ILLINOIS
From 25-MAY-08 15:30:00 to 25-MAY-08 15:55:00 (CST-6)
Location: EDEN
Magnitude: 0.88 
Reported by: Trained Spotter

Storm spotters reported hail up to nickel size fell on and off for about 30 minutes.

Flash Flood in MONROE, ILLINOIS
From 25-MAY-08 13:30:00 to 25-MAY-08 18:00:00 (CST-6)
Location: COLUMBIA
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 5.00K
Reported by: Law Enforcement

Several rounds of thunderstorms produced 2 - 5 inches of rain that resulted in flash flooding. Nearly a foot of water was reported running off farm fields over several roadways, including Old Baum Church Road and Ahne Road. Ahne Road was closed until further due to a large culvert breaking through the pavement.

Flash Flood in JERSEY, ILLINOIS
From 25-MAY-08 11:00:00 to 25-MAY-08 23:00:00 (CST-6)
Location: GRAFTON
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 5.00K
Reported by: Law Enforcement

Several rounds of thunderstorms over the course of the day produced flash flooding across much of the county. Local law enforcement reported water on many roads some of which were impassable.

Flash Flood in RANDOLPH, ILLINOIS
From 25-MAY-08 18:00:00 to 25-MAY-08 19:15:00 (CST-6)
Location: RED BUD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rain quickly flooded local roads with as much as eight inches of water.

Flash Flood in MACOUPIN, ILLINOIS
From 25-MAY-08 20:30:00 to 25-MAY-08 23:30:00 (CST-6)
Location: PIASA
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 5.00K
Reported by: Law Enforcement

Heavy rain of two to five inches caused flash flooding across the southern third of the County. Routes 16 and 159 were flooded. Some roads in Brighton and Piasa had water up to five feet deep. Portions of Panther Creek Road near Mt. Olive, Prairie Dell Road near Shipman, Spanish Needle Road near Gillespie, Moulton Road near Bunker Hill, and Brighton-Bunker Hill Road were all temporarily barricaded. Two vehicles were disables by flooding on Brighton-Bunker Hill Road. A flooded culvert on another part of Bunker Hill-Brighton Road washed away much of an embankment and took out about four feet of the road.

Flash Flood in CLINTON, ILLINOIS
From 25-MAY-08 23:30:00 to 26-MAY-08 04:30:00 (CST-6)
Location: ST ROSE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rain caused flash flooding on Highway 50 at several locations east of Carlyle.

Flash Flood in ST. CLAIR, ILLINOIS
From 26-MAY-08 06:30:00 to 26-MAY-08 09:30:00 (CST-6)
Location: FREEBURG
Flood cause: Heavy Rain
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rain caused flash flooding at several locations in the central part of St. Clair County. Roads were reported closed in Belleville, Freeburg, and Smithton. Some basements were reported flooded with up to two feet of water.

Hail in MADISON, ILLINOIS
From 25-MAY-08 09:47:00 to 25-MAY-08 09:47:00 (CST-6)
Location: GLEN CARBON
Magnitude: 1.00 
Reported by: Trained Spotter

Storm spotters reported one inch hail.