Tornadoes, hail, floods and severe storms recorded here between 1955 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
The part of each tornado’s path NOAA recorded in this county, 66 in all. Zoom in and the paths widen to their surveyed width.
Hover or tap a bar to see that year.
NOAA's storm database records tornadoes back to 1950 and hail and thunderstorm wind back to 1955, but floods only from 1996 on. Older floods are missing here. For those, the U.S. Geological Survey's stream gauge records and flood reports are the place to look.
The strongest tornadoes, deadliest events and biggest damage here, up to 50.
June 11, 2026 · La Salle, Illinois
A tornado which touched down near Long Point in Livingston County, moved northeast and crossed into LaSalle County just east of Prairie Grove Road and was likely at peak intensity as it crossed into LaSalle County as well as at its maximum width of 600 yards. The tornado heavily …
February 28, 2017 · La Salle, Illinois
The first area of significant damage in the EF2 range was in the area around the La Salle County Nursing Home and La Salle County Highway Department, with lighter damage upstream from this location. The tornado continued into Naplate and produced widespread EF2 damage to numerous…
April 20, 2004 · La Salle, Illinois
The tornado entered LaSalle County from Putnam County, approximately 3 miles northeast of the town of Standard, producing F0 intensity damage in a wooded area southwest of Peru. As the tornado continued northeast, F2 intensity damage was done to several homes in a subdivision nea…
April 18, 2013 · La Salle, Illinois
County emergency managers estimated that over 500 buildings were damaged by flooding across La Salle County. In Marseilles, 1500 people were evacuated due to a compromised levee which led to dozens of homes and facilities being flooded along the river front. Several barges broke …
February 1, 2011 · La Salle, Illinois
A 44 year old man apparently exited his vehicle to walk about one mile to his house after his vehicle became stuck in the snow on Kernan Blacktop. Friends and family searching for him found him only a few hundred feet from his vehicle. They transported him to a hospital where he …
February 4, 2008 · La Salle, Illinois
Due to dense fog, the driver of a car did not see the flashing lights or crossing gates at a railroad crossing in Kernan. He drove through the gate and struck a locomotive. The driver was killed and a passenger was injured. In another accident near Ottawa, three cars were involve…
June 5, 2010 · La Salle, Illinois
Shortly after the Magnolia, IL tornado lifted, the same supercell thunderstorm went on to produce another tornado near the Marshall and LaSalle County line. National Weather Service damage survey teams found the damage from this tornado began just west of 2900 E Road and about on…
July 9, 1985 · La Salle, Illinois
May 14, 1985 · La Salle, Illinois
July 12, 2021 · La Salle, Illinois
A slow moving thunderstorm produced torrential rain and flash flooding across portions of eastern La Salle County including in Seneca. Vegetation was flattened near many creeks and channels due to the fast moving flood waters. Along Hog Run, vegetation was flattened near North 21…
September 15, 2008 · La Salle, Illinois
The Illinois River reached a record crest of 33.79 feet at LaSalle on the 16th. Major flooding occurred along the river in LaSalle County. In Marseilles, flood waters inundated Illini State Park and nearby areas. Flood waters inundated the Peru power plant. Brunner and Water Stre…
September 14, 2008 · La Salle, Illinois
Flash flooding or significant flooding was reported across much of LaSalle County, including street closures due to flooding, basement flooding and creek, stream and river flooding. Numerous houses were under water in the northwest and southwest part of Sheridan which is near the…
June 29, 2026 · La Salle, Illinois
June 24, 2026 · La Salle, Illinois
The power grid, including poles, lighting and electronic infrastructure was damaged at the LaSalle Speedway.
June 24, 2026 · La Salle, Illinois
A tree was blown down on Oak Ridge Drive and a street lamp was hanging.
June 24, 2026 · La Salle, Illinois
Multiple utility poles were blown down near Route 178 and Route 71.
June 24, 2026 · La Salle, Illinois
A tree fell onto power lines on East Canal Street.
June 11, 2026 · La Salle, Illinois
Tree damage was reported southeast of Norway.
June 11, 2026 · La Salle, Illinois
A large tree limb, 1 to 2 feet in diameter, was snapped off of a tree along 9th Street. Other tree limbs were blown down nearby.
June 11, 2026 · La Salle, Illinois
A tornado with estimated peak winds of 110 mph touched down near Sandy Creek, southwest of the intersection of N 8th Road and E 8th Road. The tornado moved northeast through fields and crossed E 9th Road. The tornado crossed Route 17 where it snapped large tree limbs off the top …
June 11, 2026 · La Salle, Illinois
Based on video from storm chasers, a brief tornado touched down in a field east of Route 18, just north of the LaSalle County line. This tornado did not produce any known damage.
June 11, 2026 · La Salle, Illinois
A personal weather station measured a wind gust to 59 mph east of Earlville.
June 10, 2026 · La Salle, Illinois
A photo showed broken tree limbs.
June 10, 2026 · La Salle, Illinois
A photo showed a broken tree limb on a power line.
June 10, 2026 · La Salle, Illinois
A personal weather station measured a wind gust to 77 mph.
June 10, 2026 · La Salle, Illinois
A photo showed mulitple tree limbs blown down.
June 10, 2026 · La Salle, Illinois
Wind gusts were estimated to 65 mph.
May 16, 2026 · La Salle, Illinois
A large healthy tree was blown down in a park.
May 4, 2026 · La Salle, Illinois
A wind gust to 61 mph was measured in Wallace township.
April 17, 2026 · La Salle, Illinois
An EF-1 tornado with peak winds near 95 mph appeared to have started just south of County Road 2200 N in Bureau County, where a barn structure sustained roofing damage. The tornado then moved northeastward into LaSalle County, producing damage to trees and farm outbuildings. Seve…
April 17, 2026 · La Salle, Illinois
April 17, 2026 · La Salle, Illinois
Photos shared via social media showed doors blown out of a farm outbuilding near Earlville.
April 13, 2026 · La Salle, Illinois
Lots of pea size hail was reported with a few quarter size hail stones.
April 2, 2026 · La Salle, Illinois
April 2, 2026 · La Salle, Illinois
A photo was shared of a tree down across Columbus St just north of E Jackson St in Ottawa.
April 2, 2026 · La Salle, Illinois
April 1, 2026 · La Salle, Illinois
March 15, 2026 · La Salle, Illinois
March 13, 2026 · La Salle, Illinois
A personal weather station measured a wind gust to 59 mph three miles southwest of Leland.
March 10, 2026 · La Salle, Illinois
March 10, 2026 · La Salle, Illinois
Multiple reports of hail ranging in size from 1 inch in diameter to the size of golf balls came out of Lake Holiday and the south side of Somonauk. Time estimated using radar.
March 1, 2026 · La Salle, Illinois
February 17, 2026 · La Salle, Illinois
January 24, 2026 · La Salle, Illinois
January 23, 2026 · La Salle, Illinois
January 19, 2026 · La Salle, Illinois
January 14, 2026 · La Salle, Illinois
December 29, 2025 · La Salle, Illinois
December 14, 2025 · La Salle, Illinois
December 13, 2025 · La Salle, Illinois