Carroll County, Illinois
Tornadoes, hail, floods and severe storms recorded here between 1950 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
50
Floods since 1996
608
All events
0
Deaths
$18.5M
Property damage
Tornado paths in Carroll County
The part of each tornado’s path NOAA recorded in this county, 22 in all. Zoom in and the paths widen to their surveyed width.
EF0EF1EF2EF3EF4EF5Unrated
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 heaviest damage was in the Twin Oaks area which is five miles east of Fulton. Four homes were destroyed and six homes had major damage. Thirty-six farm buildings were damaged or destroyed on the 15 or 16 farm sites that were hit. Fields and ditches along U.S. 30 looked like a…
After about a foot of rain in 2 days, creek and small river basins rose rapidly Saturday morning. Numerous rural roads throughout the county suffered from washouts and excessive erosion. Near Argo Fay, Johnson Creek overflowed its banks and closed Big Cut Road. In Mount Carroll, …
Thunderstorm Wind Thunderstorm Wind
Multiple trees downed in town. Relayed through broadcast media. Time estimated using radar data.
Thunderstorm Wind Thunderstorm Wind
Flash Flood Flash Flood
Report that Illinois Route 84 is closed from Savanna-Sabula Bridge north to the south entrance of the Mississippi Palisades State Park. The road is blocked with trees, other debris, and minor mudslides. Radar estimates 1 to 3 inches of rain fell in this area over an hour.
Funnel Cloud Funnel Cloud
Funnel cloud reported north of Milledgeville, IL. Time and location estimated from radar data.
Hail Hail
Photos showing hail ranging from 3 to 3.25 inches in diameter were sent. Time was estimated from radar data.
Hail Hail
Hail Hail
Quarter to ping pong ball size hail relayed by broadcast media from social media.
Thunderstorm Wind Thunderstorm Wind
A few trees reported blown down west of Mount Carroll.
Thunderstorm Wind Thunderstorm Wind
Large tree blown down. Time estimated from radar data.
Tornado EF1 Tornado
A brief tornado developed northeast of Savanna with maximum winds near 90 mph. The tornado caused tree damage in a convergent path and also tossed and damaged a small shed.
Thunderstorm Wind Thunderstorm Wind
Law Enforcement Officers reported a large tree down on the outskirts of U.S. Army Depot near Savanna. The time of the event was estimated using radar.
Blizzard Blizzard
Trained spotter reports ranged from 7.3 inches in Mt Carroll to 8.5 inches in Lanark. There were widespread automated weather observation reports of visibilities between 1/2sm to 1sm along with frequent wind gusts between 45 to 55 MPH.
Winter Storm Winter Storm
The COOP observer in Mount Carroll reported 8.8 inches of snow. Trained spotter reports ranged from 8.0 inches 1 mile west northwest of Savanna to 9.0 inches in Lanark.
Thunderstorm Wind Thunderstorm Wind
Trees reported down and power lines down with some roads blocked.
Hail Hail
Hail Hail
Broadcast Media reported quarter sized hail lasting for about ten minutes.
Thunderstorm Wind Thunderstorm Wind
Dispatch reported multiple power poles and wires down, leading to portions of Route 84 being closed. Along the same route, reports of several farm irrigators being knocked over, as well as trees. Time estimated by radar.
Thunderstorm Wind Thunderstorm Wind
Broadcast Media relayed a report of a lot of trees down throughout this area.
Thunderstorm Wind Thunderstorm Wind
Report of numerous power lines down, power poles snapped, and trees down across roads. This damage is widespread throughout the area.
Thunderstorm Wind Thunderstorm Wind
A public report of a 70 foot repeater tower knocked down due to high winds.
Thunderstorm Wind Thunderstorm Wind
A public report of a Center Pivot/Agricultural Field Sprinklers damaged on Speer Road.
Winter Storm Winter Storm
Trained spotters reported 6 to 8 inches of snow, with widespread snow covered roads.
Tornado EF1 Tornado
A tornado developed just northeast of Hanover in Jo Daviess County, and tracked to the southeast around 50 mph along an intermittent path. The tornado caused significant roof damage to a home east of Hanover that was rated EF-1. The tornado then moved into Carroll County near S. …
Flood Flood
The Mississippi River Lock and Dam 13 at Fulton rose above its major flood stage of 20 feet around 6 AM CST on July 7 and crested at 20.06 feet on July 8th. The River fell back below major flood stage around 1 AM on July 10. The Mississippi River Lock and Dam 12 in Bellevue rose …
Flash Flood Flash Flood
Carroll County 911 dispatch reported flooding between Mt Carroll and Lanark. Flooded area estimated from report and nearby streams. Rainfall amount reported one mile south of Mt Carroll of 3.21 inches for the storm total.
Heavy Rain Heavy Rain
Heavy Rain Heavy Rain
Thunderstorm Wind Thunderstorm Wind
County dispatch reported tree fell on a squad car in town of Chadwick. Time estimated by radar.
Thunderstorm Wind Thunderstorm Wind
Tree downed by thunderstorm winds.
Thunderstorm Wind Thunderstorm Wind
Trees blown down. Time estimated from radar data.
Thunderstorm Wind Thunderstorm Wind
Trees were blown down.
Thunderstorm Wind Thunderstorm Wind
Trees reported blown down. Time estimated from radar data.
Winter Weather Winter Weather
Snowfall reports range from 1.9 inches by a trained spotter 6 miles south southeast of Elmoville to 4.0 inches from a COOP Observer in Mount Carroll.
Hail Hail
Hail Hail
Time estimated by radar, lasted 10 minutes.
Winter Storm Winter Storm
Numerous reports of 6 to 8 inches of snow were received, with widespread significant drifting snow continuing into the evening hours.
Winter Storm Winter Storm
Snowfall reports ranged from a public report of 5.2 inches 6 miles south of Elmosville to a a COOP Observer report of 5.8 inches in Mount Carroll.
Thunderstorm Wind Thunderstorm Wind
Trees reported blown down.
Flood Flood
Rapid snow melt from Minnesota and Wisconsin to rise quickly above its major flood stage. The river upstream at Bellevue rose above its major flood of 20.0 feet during the early morning hours of April 25th and remained above its major flood stage through the end of the month. Dow…
Hail Hail
Hail Hail
The Milledgeville Fire Department hail ranging in size from pea to quarter.
Hail Hail
Tornado EF1 Tornado
A brief tornado occurred near Mt. Carroll as a line of supercell thunderstorms swept northeast over Illinois on March 31st. This tornado was found using satellite information to identify a damage track. There was confirmed powerline damage in that track.
Tornado EF1 Tornado
This tornado began southeast of Lanark in Carroll County and tracked to the northeast before moving into Ogle County about a quarter mile north of the intersection of W White Oak Road and N Brookville Road. The tornado path then continued for about 5 miles through Ogle County (se…
Winter Storm Winter Storm
Trained spotters, Cocorahs, and numerous public reports showed 8 to 15 inches of heavy wet snow fell early in the morning March 25th. This heavy snow caused dangerous travel early in the day, and brought down numerous tree branches. The heaviest snow fell over north central Carro…
Winter Storm Winter Storm
Trained spotters and public reported snowfall of 4 to 7 inches falling over Carroll County from the morning of March 9 and into the early morning hours of March 10. This snow contributed to travel issues through the day and into the nighttime hours.
Ice Storm Ice Storm
Freezing rain accumulated to 0.10 to 0.25 of an inch, mainly on elevated surfaces.
Events by year, as a table
| Year | Events | Tornadoes |
|---|---|---|
| 2026 | 12 | 1 |
| 2025 | 10 | 0 |
| 2024 | 15 | 1 |
| 2023 | 11 | 2 |
| 2022 | 10 | 0 |
| 2021 | 14 | 0 |
| 2020 | 8 | 1 |
| 2019 | 19 | 0 |
| 2018 | 21 | 0 |
| 2017 | 7 | 0 |
| 2016 | 9 | 0 |
| 2015 | 9 | 1 |
| 2014 | 19 | 1 |
| 2013 | 14 | 2 |
| 2012 | 17 | 0 |
| 2011 | 19 | 0 |
| 2010 | 28 | 0 |
| 2009 | 20 | 0 |
| 2008 | 41 | 0 |
| 2007 | 38 | 0 |
| 2006 | 25 | 0 |
| 2005 | 16 | 0 |
| 2004 | 9 | 0 |
| 2003 | 14 | 3 |
| 2002 | 16 | 0 |
| 2001 | 17 | 0 |
| 2000 | 32 | 0 |
| 1999 | 23 | 1 |
| 1998 | 17 | 0 |
| 1997 | 17 | 0 |
| 1996 | 17 | 0 |
| 1995 | 2 | 1 |
| 1994 | 1 | 0 |
| 1992 | 2 | 0 |
| 1991 | 1 | 0 |
| 1990 | 4 | 0 |
| 1989 | 1 | 0 |
| 1988 | 4 | 1 |
| 1986 | 2 | 0 |
| 1985 | 2 | 0 |
| 1984 | 2 | 1 |
| 1983 | 4 | 0 |
| 1982 | 1 | 0 |
| 1981 | 4 | 0 |
| 1980 | 3 | 0 |
| 1979 | 1 | 0 |
| 1978 | 1 | 0 |
| 1976 | 1 | 0 |
| 1975 | 4 | 1 |
| 1974 | 4 | 0 |
| 1973 | 3 | 0 |
| 1971 | 2 | 0 |
| 1967 | 5 | 1 |
| 1965 | 1 | 0 |
| 1964 | 1 | 0 |
| 1961 | 2 | 1 |
| 1960 | 2 | 0 |
| 1959 | 1 | 1 |
| 1956 | 1 | 1 |
| 1955 | 1 | 1 |
| 1950 | 1 | 1 |
Search your address
See every tornado that passed within 25 miles of a place in Carroll County, measured to its path.
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