Henry storm history
Storm events recorded in Henry, Illinois between 1950 and 2025.
877
Total events
70
Tornadoes
208
Hail
61
Floods
3
Deaths
$94.2M
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
Wind gusts estimated to be 90 mph toppled over 100 trees at the Indian Trails Resort in Colona, IL around 615 am July 21. One tree fell onto a tent killing a 4 year old boy and a 9 month old girl and injuring four other children. A family pet (dog) was also killed.
Heavy rains resulted in widespread flash flooding of roads and highways across all of Henry County, especially the northwest half during the morning of May 13.
Also reported by law enforcement, spotters, and emergency managers in the southern part of the county. Extensive damage in Woodhull, Alpha, Nekoma, and Galva. Law enforcement reported zero visibility at the height of the storm on I-74 with cars blown into the ditches.
Winter Storm Winter Storm
A trained spotter reported 11.5 inches in Geneseo.
Thunderstorm Wind Thunderstorm Wind
A tree was blown down at Stewart and Wells Streets.
Thunderstorm Wind Thunderstorm Wind
A tree was blown down blocking the intersection of U.S. 6 and Highway 84.
Thunderstorm Wind Thunderstorm Wind
Lots of small branches blown down.
Thunderstorm Wind Thunderstorm Wind
Media in Kewanee relayed a Henry County sheriffs office report of a tree down on County Highway 5 north of Highway 81. Tim of the event estimated using radar.
Thunderstorm Wind Thunderstorm Wind
Large tree branch was blown down.
Thunderstorm Wind Thunderstorm Wind
Large trees damaged.
Thunderstorm Wind Thunderstorm Wind
Numerous trees damaged in Ponderosa Hills subdivision, including several uprooted. Time estimated using radar.
Thunderstorm Wind Thunderstorm Wind
A public report of a few very large tree branches down. The time of the event was estimated using radar.
Hail Hail
A trained spotter reported that mostly smaller hailstones had fallen but a few of the stones were quarter sized.
Hail Hail
Hail Hail
A public reported shared via social media showing several hailstones estimated to be around golf ball sized. The time of the event was estimated using radar.
Thunderstorm Wind Thunderstorm Wind
Galva City ESA reported a 52 knot thunderstorm wind gust.
Tornado EF0 Tornado
An EF-0 tornado with max wind speed of 85 MPH caused damage to trees and farm outbuildings along its two mile long path.
Tornado EF1 Tornado
An EF-1 tornado formed to the northwest of Kewanee and tracked to the north and ended just south of Atkinson. Trees along the 7 mile path were snapped at the trunk. Some branches were downed as well. At the end of the path a structure was destroyed by max winds estimated to be 95…
Tornado EF1 Tornado
A tornadic debris signature was seen on the KDVN Doppler Radar up to 2,900 ft. Corn stubble and leaves were found along the beginning of the path. As the tornado approached the Hennepin Canal, tree damage was found with snapped hardwood trees and other branches. Additional branch…
Tornado EF0 Tornado
A brief tornado caused EF-0 damage to trees with a peak estimated wind speed of 80 MPH.
Thunderstorm Wind Thunderstorm Wind
A trained spotter reported a anemometer reading of 65 MPH with a 4 inch tree limb down.
Thunderstorm Wind Thunderstorm Wind
Emergency Manager reported a tree top blown off. The time of the event was estimated using radar.
Tornado EF1 Tornado
The tornado touched down about a mile west of Victoria in Knox County Illinois (NWS Lincoln) traveling north northeast. It went through Galva where it snapped several trees, then it progressed northeast damaging more trees and an outbuilding along an approximately 7.2 miles path …
Tornado EF0 Tornado
The tornado touched down about 1.5 miles northeast of Altona in Knox County (NWS central Illinois) traveling northward and proceeded north into Henry County where it destroyed two large grain bins and tossed the debris for nearly a mile to the northeast. The tornado snapped a pow…
Tornado EF0 Tornado
A brief EF-0 tornado caused damage to a door on an outbuilding. The tornado then caused branch damage before ending shortly. The peak estimated wind speed was 80 mph.
Tornado EFU Tornado
An EF-U tornado with at least a 1/4 mile path was depicted by radar and a scour mark in a freshly plowed field. Corn debris was also found in the fence at this location.
Thunderstorm Wind Thunderstorm Wind
Two power poles were reported down.
Thunderstorm Wind Thunderstorm Wind
Recorded gust with wind measuring equipment.
Hail Hail
A trained spotter reported lots of dime size hail along with a couple of stones that were the size of quarters.
Tornado EF1 Tornado
An NWS Storm Survey found a tornado touched down northwest of Taylor Ridge in Rock Island County. The tornado damaged trees, dented two large grain bins, and damaged power poles. The tornado then moved into Mercer County around 18:27 CST, about a third of a mile west of US Route …
Tornado EF1 Tornado
An NWS Storm Survey found that an EF-1 tornado with peak winds of 100 MPH and was 200 yards wide caused extensive tree damage occurred through the city of Kewanee. Many homesteads had minor roof damage. A couple of the homes had large sections of the roofs removed.
Tornado EF1 Tornado
An NWS Storm Survey found a second tornado in Kewanee. The tornado was 50 yards wide with peak winds of 105 MPH, which caused damage on the north side of Kewanee. Damage was noted to several large trees including large ones snapped in a park and golf course. There was also some r…
Thunderstorm Wind Thunderstorm Wind
The Emergency Manager reported lots of damage in town. They estimated the winds to be between 80 to 100 MPH.
Thunderstorm Wind Thunderstorm Wind
The Emergency Manager reported trees and power lines down.
Thunderstorm Wind Thunderstorm Wind
A public report of widespread tree damage throughout Galva. There are 4 to 5 power poles down plus electrical service pulled from houses. US 34 is still blocked due to power lines too low for traffic. There are 3 known locations with tree limbs falling on houses and one has a bro…
Thunderstorm Wind Thunderstorm Wind
A public report of large branches downed by thunderstorm winds, along with a car port that blown into the side of the house.
Thunderstorm Wind Thunderstorm Wind
Sheriff's Office reported a tree down blocking Midland Road near the Country Club. Tihe time of the event was estimated using radar.
Thunderstorm Wind Thunderstorm Wind
The local newspaper reported a tree limb down on powerlines. The time of the event was estimated using radar.
Thunderstorm Wind Thunderstorm Wind
A mesonet site at the Kewanee Airport measured a gust of 58 MPH.
Thunderstorm Wind Thunderstorm Wind
A mesnot site at Bob Reade Field on the north side of Geneseo measured a gust of 54 knots.
Thunderstorm Wind Thunderstorm Wind
Trees downed by the thunderstorm winds at this intersection.
Thunderstorm Wind Thunderstorm Wind
Trees downed by thunderstorm winds at the intersection.
Thunderstorm Wind Thunderstorm Wind
Trees downed by thunderstorm winds.
Thunderstorm Wind Thunderstorm Wind
Grain wagons blown over by thunderstorm winds.
Thunderstorm Wind Thunderstorm Wind
Henry County EMA reported multiple power poles leaning and trees down between Highway 81 and County Road 14. Time estimated by radar.
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 25 | 8 |
| 2024 | 50 | 6 |
| 2023 | 33 | 7 |
| 2022 | 17 | 0 |
| 2021 | 13 | 1 |
| 2020 | 26 | 3 |
| 2019 | 28 | 0 |
| 2018 | 18 | 1 |
| 2017 | 36 | 3 |
| 2016 | 15 | 0 |
| 2015 | 18 | 2 |
| 2014 | 18 | 1 |
| 2013 | 31 | 1 |
| 2012 | 25 | 0 |
| 2011 | 32 | 0 |
| 2010 | 52 | 0 |
| 2009 | 19 | 0 |
| 2008 | 37 | 0 |
| 2007 | 21 | 0 |
| 2006 | 45 | 0 |
| 2005 | 13 | 0 |
| 2004 | 18 | 0 |
| 2003 | 34 | 2 |
| 2002 | 11 | 0 |
| 2001 | 25 | 0 |
| 2000 | 46 | 5 |
| 1999 | 22 | 0 |
| 1998 | 15 | 2 |
| 1997 | 17 | 1 |
| 1996 | 23 | 4 |
| 1995 | 6 | 2 |
| 1992 | 3 | 0 |
| 1991 | 5 | 0 |
| 1990 | 2 | 0 |
| 1988 | 2 | 0 |
| 1987 | 10 | 1 |
| 1986 | 1 | 0 |
| 1983 | 1 | 0 |
| 1982 | 2 | 0 |
| 1981 | 2 | 1 |
| 1980 | 6 | 0 |
| 1979 | 6 | 2 |
| 1978 | 2 | 0 |
| 1975 | 9 | 1 |
| 1974 | 15 | 4 |
| 1973 | 5 | 3 |
| 1971 | 1 | 0 |
| 1969 | 1 | 0 |
| 1967 | 3 | 2 |
| 1966 | 2 | 0 |
| 1965 | 2 | 2 |
| 1964 | 1 | 0 |
| 1962 | 3 | 3 |
| 1959 | 1 | 1 |
| 1958 | 1 | 0 |
| 1956 | 1 | 1 |
| 1955 | 1 | 0 |