The following events were reported: Flash Flood, Flood, Hail, Lightning, Thunderstorm Wind. These occurred near station USW00094846, approximately 22.9468 km away, between 2009-06-19 05:20:00 and 2009-06-20 20:00:00. The events included records with hailstones measuring 8.155294117647058 inches. The flood was caused by Heavy Rain. Thankfully, no injuries or fatalities were reported. The events caused property damage valued at 550000.0 and crop damage of 0.0. Episode Narrative: Strong to severe thunderstorms moved across northern Illinois from mid morning through early afternoon, producing numerous reports of hail, heavy rain, flooding and flash flooding. The City of Chicago reported almost 200 tree emergencies which includes damage to tree limbs, partial trees or entire trees. Strong to severe thunderstorms moved across northern Illinois from mid morning through early afternoon, producing numerous reports of hail, heavy rain, flooding and flash flooding. Event Narrative:   Heavy rain fell during the morning hours of June 19th causing flooding and flash flooding across parts of northern and central Cook County. Street flooding was reported at Devon and Kedsie. Significant flooding was reported in the Jefferson Park Neighborhood with flooding at St. Louis and Bryn Mawr on the Northeast Illinois University Campus. Basement flooding was reported in Rogers Park. Flooding was reported on Algonquin Road in Chicago. The exit from Interstate 90 to Arlington Road was barely passable due to flooding. Foster underpass on Lakeshore Drive was flooded and closed due to three feet of standing water and a van was submerged in the flood water. Several streets, intersections and parking lots were flooded in Elk Grove Village with numerous cars submerged in a parking lot. Six inches of flowing water was reported on Golf Road near New Wilke Road. Significant and widespread street flooding was reported in the southeast part of Elgin in Cook County near Poplar Creek. Street flooding was reported in Norridge and Harwood Heights where Oketo Avenue and Octavia Avenue were closed. Several streets were flooded and closed in Park Ridge along with flooded yards and basements. Several roads and some basements were flooded in Des Plaines. Many roads were flooded in Schaumburg. The City of Chicago reported 452 calls regarding water in basments; 572 reports of water in streets and 17 flooded viaducts. Most of these reports were on the north side of Chicago. Rainfall amounts included 3.87 inches 3 miles east southeast of Des Plaines; 3.54 inches at O'Hare Airport; 3.48 inches 3 miles southwest of Evanston and 3.07 inches in Elk Grove Village. After heavy rain during the morning of June 19th which caused flash flooding along Poplar Creek, flooding continued through the evening of June 20th. Several roads on the southeast side of Elgin in Cook County remained closed. Streets that were impassible included Willard Avenue between Sharon Court and Laurel Street; the intersection of Varsity and Maroon Drives; Hammond Avenue between Lavoie Avenue and Liberty Street; the south ends of Liberty, Lavoie, and Illinois Avenue; the area around Ramona Drive and Willard; part of Ramona in Villa Garden Estates mobile home park; and the intersection of Sadler Avenue and Jan Marie Drive in Old Oak Estates mobile home park. Heavy rain caused flooding and some flash flooding across parts of northern Kane County. Interstate 90 near US 20 was flooded shoulder to shoulder with water depth estimated at 5 inches. The north side of Route 47 near US 20 was flooded with 6 to 7 inches of water and impassible. A viaduct just south of there was completely flooded. Route 47 north of Plato Road was impassible with 6 to 8 inches of standing water. Street flooding was reported in Elgin. Rainfall amounts included 2.50 inches in Elgin. Up to 10 inches of standing water was reported at the intersection of Route 59 and West Bartlett Road. Wheeling Road was closed due to flooding between Hintz and Dundee Roads. Basement flooding was reported in Rogers Park with a rainfall total of 1.96 inches. Penny size hail was reported near Albion and California Roads. A wind gust to 72 mph was measured near Devon and Western. Tree damage was reported along Devon near Oakley Avenue and Clairmont Avenue. Quarter to half dollar size hail was reported near Loyola University. Nickel size hail was reported near County Farm and Army Trail Roads. Nickel to quarter size hail was reported near mile marker 48 on Interstate 90. Lightning struck a house along Canterbury Drive and started a fire in the bathroom. The house was declared uninhabitable. Quarter size hail was reported near Route 176 and Route 14. A tree was uprooted near Lakeshore Drive and Bryn Mawr Avenue. Quarter size hail was reported in Rogers Park. Quarter size hail was reported near Belmont and Narragansett Avenue.