Grundy storm history
Storm events recorded in Grundy, Illinois between 1950 and 2025.
473
Total events
23
Tornadoes
74
Hail
42
Floods
6
Deaths
$95.6M
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
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…
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.
Thunderstorm Wind Thunderstorm Wind
Twelve utility poles were blown down and damage was reported to a solar farm.
Thunderstorm Wind Thunderstorm Wind
Photos shared on social media showed trees 1 to 2 feet in diameter blown down onto power lines.
Thunderstorm Wind Thunderstorm Wind
A wind gust to 78.7 mph was reported.
Thunderstorm Wind Thunderstorm Wind
Damage to tree limbs and to the siding of a building was reported.
Winter Weather Winter Weather
Winter Weather Winter Weather
Drought Drought
Heat Heat
Thunderstorm Wind Thunderstorm Wind
A personal weather station measured a wind gust to 68 mph.
Thunderstorm Wind Thunderstorm Wind
Multiple reports of tree damage were received from just north of Morris near Interstate 80.
Thunderstorm Wind Thunderstorm Wind
Tree damage was reported southwest of Minooka.
Tornado EF2 Tornado
A tornado with estimated peak winds of 130 mph touched down along Bungalow Road, east of Gun Club Road producing sporadic tree damage. The tornado moved east northeast along the Illinois River and just before it crossed into Will County, the tornado expanded in size and was likel…
Thunderstorm Wind Thunderstorm Wind
A large tree limb was blown down.
Thunderstorm Wind Thunderstorm Wind
A large tree was down on a house at Good Farm and Lincoln Roads in Gardner.
Hail Hail
Photos shared on social media showed quarter size hail.
High Wind High Wind
Winter Weather Winter Weather
Cold/Wind Chill Cold/Wind Chill
Flood Flood
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 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 | 6 | 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 |