Grundy County, Illinois
Tornadoes, hail, floods and severe storms recorded here between 1958 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
23
Tornado reports
75
Hail reports
43
Floods since 1996
495
All events
6
Deaths
$95.6M
Property damage
Tornado paths in Grundy County
The part of each tornado’s path NOAA recorded in this county, 23 in all. Zoom in and the paths widen to their surveyed width.
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Year by year
All storm eventsTornadoes
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.
Most significant events
The strongest tornadoes, deadliest events and biggest damage here, up to 50.
The tornado touched down near Higgins Road and Dupont Road where softwood trees were snapped. The tornado moved east-southeast where trees and power poles were snapped along N Gorman Road. The most significant damage was noted as the tornado crossed S Carbon Hill Road just south …
A maintenance caretaker was found dead next to his tractor. He was mowing grass at a soccer field on Old Pine Bluff Road.
Morris reported a low temperature of 7 above zero on the 3rd, 4 below zero on the 4th, 8 below zero on the 5th, 8 below zero on the 6th. A 24 year old man was found dead outside a motel from the cold.
Winds gusting 40 to 50 mph combined with light snow resulted in white out conditions along a portion of Interstate 55 near Gardner, IL. Between 17 and 22 cars were involved in a pile-up. Twelve people were taken to hospitals, including two people with serious to life threatening …
The tornado formed just northwest of the intersection of E Braceville Road and S Carbon Hill Road where several softwood trees were uprooted. The tornado moved northeast just north of E Reed Road where a single family residence sustained visible damage to its exterior while a met…
The hardest hit areas in Grundy County were Morris, Mazon, and Minooka. Numerous rescues took place, including people trapped in vehicles in rising waters. Forty-four patients at Morris Hospital were evacuated when the lower floor flooded. The aqueduct that carries the I & M cana…
An estimated 40 to 45 trees were blown down in Morris, including some that fell onto houses and cars. A 26 inch diameter tree fell onto a house on Freemont Avenue. A 250 foot transmission tower along I-80 collapsed. A semi-truck parked at a rest stop was toppled.
The Illinois River reached a record crest of 24.84 feet at Morris on the 16th. In Morris, flood waters inundated large areas near the river including the public works facilities and sewage treatment facilities. Water surrounded Ravine Woods apartment complex and residents had to …
Flash flooding or significant flooding was reported across most of Grundy County, including street closures due to flooding, basement flooding and creek, stream and river flooding. Significant flooding was reported in Coal City.
Following a week of heavy rainfall and a storm event rainfall of nearly five inches, significant flooding occurred in the northern two thirds of Grundy County on August 24th, as runoff worked it's way to ditches and streams that quickly overtopped their banks, followed by floodin…
Heat Heat
Heavy Rain Heavy Rain
Rainfall of 1.13 inches was measured in 15 minutes.
Thunderstorm Wind Thunderstorm Wind
Multiple utility poles were snapped along Verona Road, just south of Dupont Road.
Thunderstorm Wind Thunderstorm Wind
A portion of a roof of a metal storage building was removed along Route 47, south of Southmor Road.
Thunderstorm Wind Thunderstorm Wind
A roof was blown off of an outbuilding.
Thunderstorm Wind Thunderstorm Wind
A photo showed multiple tree limbs blown onto power lines near Armstrong Street and Spruce Street.
Thunderstorm Wind Thunderstorm Wind
A photo showed power lines blown down along Granville Road.
Thunderstorm Wind Thunderstorm Wind
A small outbuilding was damaged and large tree limbs were broken.
Thunderstorm Wind Thunderstorm Wind
A photo showed a large tree limb blown down along Ashley Road just south of Minooka Road.
Thunderstorm Wind Thunderstorm Wind
A personal weather station measured a wind gust to 64 mph.
Thunderstorm Wind Thunderstorm Wind
Photos showed large tree limbs snapped off of trees in Diamond. Fascia was peeled off of a house and fence panels were blown down.
Thunderstorm Wind Thunderstorm Wind
A personal weather station measured a wind gust to 59 mph.
Flash Flood Flash Flood
A vehicle was reported stuck in flood waters on the exit ramp from Interstate 55 to Route 47.
Winter Weather Winter Weather
High Wind High Wind
A semi was blown over blocking all lanes of Route 47 on the overpass over Interstate 55 near Dwight. A tree was blown down near the Morris Hospital.
Winter Weather Winter Weather
Cold/Wind Chill Cold/Wind Chill
Cold/Wind Chill Cold/Wind Chill
Winter Weather Winter Weather
Winter Weather Winter Weather
Cold/Wind Chill Cold/Wind Chill
Winter Weather Winter Weather
Winter Weather Winter Weather
Winter Storm Winter Storm
Drought Drought
Heavy Rain Heavy Rain
Rainfall of 1.19 inches was measured in 30 minutes.
Heavy Rain Heavy Rain
Storm total rainfall of 3.35 inches was measured by a private weather station with most of the rain falling in 45 minutes.
Heavy Rain Heavy Rain
Storm total rainfall of 3.57 inches was measured by a private weather station.
Thunderstorm Wind Thunderstorm Wind
Mulitple trees and large tree limbs were blown down in and near Morris.
Thunderstorm Wind Thunderstorm Wind
A photo showed a large tree blown down on a house in Minooka and another photo showed a snapped tree elsewhere in Minooka.
Heat Heat
Heat Heat
Excessive Heat Excessive Heat
Dust Storm Dust Storm
Visibility of one tenth of a mile was reported across southern Grundy County. One quarter mile visibility was reported north of Carbon Hill.
Events by year, as a table
| Year | Events | Tornadoes |
|---|---|---|
| 2026 | 19 | 0 |
| 2025 | 21 | 0 |
| 2024 | 17 | 1 |
| 2023 | 15 | 1 |
| 2022 | 14 | 0 |
| 2021 | 17 | 0 |
| 2020 | 31 | 2 |
| 2019 | 15 | 0 |
| 2018 | 7 | 0 |
| 2017 | 4 | 1 |
| 2016 | 7 | 2 |
| 2015 | 16 | 3 |
| 2014 | 14 | 1 |
| 2013 | 18 | 2 |
| 2012 | 15 | 0 |
| 2011 | 13 | 0 |
| 2010 | 12 | 0 |
| 2009 | 12 | 0 |
| 2008 | 26 | 0 |
| 2007 | 22 | 0 |
| 2006 | 22 | 0 |
| 2005 | 16 | 0 |
| 2004 | 14 | 1 |
| 2003 | 17 | 0 |
| 2002 | 5 | 0 |
| 2001 | 4 | 0 |
| 2000 | 12 | 0 |
| 1999 | 6 | 0 |
| 1998 | 6 | 0 |
| 1997 | 9 | 0 |
| 1996 | 11 | 0 |
| 1995 | 3 | 0 |
| 1994 | 7 | 0 |
| 1993 | 2 | 0 |
| 1992 | 3 | 0 |
| 1991 | 7 | 0 |
| 1990 | 4 | 0 |
| 1989 | 4 | 0 |
| 1988 | 5 | 2 |
| 1987 | 3 | 0 |
| 1986 | 1 | 0 |
| 1985 | 1 | 1 |
| 1984 | 2 | 1 |
| 1983 | 1 | 0 |
| 1980 | 2 | 0 |
| 1977 | 1 | 0 |
| 1975 | 1 | 1 |
| 1974 | 3 | 1 |
| 1973 | 4 | 1 |
| 1965 | 1 | 1 |
| 1961 | 1 | 0 |
| 1960 | 1 | 0 |
| 1958 | 1 | 1 |
Search your address
See every tornado that passed within 25 miles of a place in Grundy County, measured to its path.
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