EF1 tornado in Lake County, Indiana

A tornado with estimated peak winds of 90 mph touched down near Eagle Lake in Will County in northeast Illinois and crossed into Lake County just south of 133rd Avenue. Numerous large tree limbs were blown down near 135th Street west of Calumet Avenue. White Oak Avenue was blocked with tree limbs and power lines, just north of 135th Avenue. The tornado crossed Route 41 and produced extensive tree damage along 129th Avenue with some trees snapped. A metal road sign post was rotated 180 degrees. Several homes suffered minor roof and fascia damage. A metal commercial building lost most of its roof. A chimney was blown off of a roof and a free standing garage was partially collapsed. Tree damage continued along and north of 129th Avenue as the tornado turned northeast and crossed Parrish Avenue where trees were uprooted. Tree damage continued as the tornado moved east near Havenwood Pass and then along 124th Avenue after crossing Cline Avenue. The tornado continued moving northeast, crossing Burr Street where a window was blown out of a garage on 122nd Avenue. Numerous shingles were removed from a house on 121st Avenue, just east of Burr Street. Numerous trees and power lines were blown down as the tornado moved through Crown Point, south of Route 231. Utility poles were also damaged. On 120th Avenue, a house suffered significant siding damage and a metal shed was blown several yards. Some homes suffered minor roof and fascia damage near Hyde Park. The tornado crossed Lake Street and jogged to the northeast where some homes suffered minor roof damage and numerous tree limbs and fences were blown down. The tornado crossed Route 231 near 113th Avenue and damaged an industrial building just west of Route 53. Metal roof panels were peeled away, two metal garage doors were blown out, a small section of a wall was blown in and some insulation was found in nearby power lines at least 100 yards away. The tornado crossed Interstate 65 and continued producing tree damage until it crossed into Porter County halfway between 101st Avenue and 93rd Avenue.

A derecho moved across northwest Indiana during the evening of July 15th producing widespread wind damage and three tornadoes, one of which started in northeast Illinois. One fatality occurred when a large tree limb fell onto a house in Cedar Lake.