TornadoLookup
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Boone storm history

Storm events recorded in Boone, Illinois between 1950 and 2025.

394
Total events
24
Tornadoes
58
Hail
34
Floods
26
Deaths
$8.3M
Property damage

Most significant events

Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.

April 21, 1967 · Boone, Illinois
Tornado F4 Tornado24 deaths, 410 injuries
January 7, 2008 · Boone, Illinois
Tornado EF3 Tornado4 injuries, $2.0M damage
A tornado touched down at 330 pm CST about 1.2 miles north of Poplar Grove in Boone County and ended at 348 pm about 3.2 miles north northeast of Harvard in McHenry County. The tornado crossed the Boone McHenry County line near Hunter Road, about 3 miles northeast of Capron. The …
March 31, 2023 · Boone, Illinois
Tornado EF1 Tornado1 death, 40 injuries
This tornado crossed into Boone County south of Cherry Valley from Winnebago County. The tornado, which originated in Ogle County, traversed northeastward doing minor damage to farms. As it moved through the town of Belvidere, the storm produced multiple instances of damage to bu…
August 9, 2001 · Boone, Illinois
Lightning Lightning1 death
November 22, 2010 · Boone, Illinois
Tornado EF2 Tornado$4.5M damage
A tornado which touched down in eastern Winnebago County, crossed into western Boone County and moved across largely open rural fields towards the town of Caledonia. Significant damage occurred to at least six buildings in Caledonia, with approximately 20 additional buildings sus…
December 29, 2025 · Boone, Illinois
Winter Weather Winter Weather
December 14, 2025 · Boone, Illinois
Cold/Wind Chill Cold/Wind Chill
December 6, 2025 · Boone, Illinois
Winter Storm Winter Storm
November 29, 2025 · Boone, Illinois
Winter Storm Winter Storm
August 18, 2025 · Boone, Illinois
Heavy Rain Heavy Rain
A private weather station recorded 5.75 of rain through 7 PM CST, most of which would have fallen since 5:30 PM CST.
August 16, 2025 · Boone, Illinois
Thunderstorm Wind Thunderstorm Wind
Trees 3 to 4 feet in diameter were snapped along N Appleton Rd between Douglas and Maryland courts in Belvidere.
August 16, 2025 · Boone, Illinois
Thunderstorm Wind Thunderstorm Wind
Seven trees were downed on the corner of 2nd St and Whitney Blvd, the largest being about 4 feet in diameter. Power lines were also reported down.
August 16, 2025 · Boone, Illinois
Thunderstorm Wind Thunderstorm Wind
Boone County EM reported numerous trees down on the southeast side of Belvidere.
August 16, 2025 · Boone, Illinois
Thunderstorm Wind Thunderstorm Wind
Two trees two feet in diameter were downed and branches 6 to 12 inches in diameter were broken near Gardner and Jackson streets in Belvidere.
August 16, 2025 · Boone, Illinois
Hail Hail
August 16, 2025 · Boone, Illinois
Hail Hail
July 10, 2025 · Boone, Illinois
Thunderstorm Wind Thunderstorm Wind
A tree was blown down on Mill Street Road and Garden Prairie Road.
June 21, 2025 · Boone, Illinois
Excessive Heat Excessive Heat
June 18, 2025 · Boone, Illinois
Heavy Rain Heavy Rain
A private weather station recorded 3.91 of storm total rain through 6 PM. 1.12 were recorded in a 30-minute period.
June 3, 2025 · Boone, Illinois
Thunderstorm Wind Thunderstorm Wind
Extensive tree damage was reported along Distillery Rd outside of Belvidere. One tree trunk was snapped a few feet off the ground and multiple large tree limbs were downed, some of them onto power lines.
June 3, 2025 · Boone, Illinois
Tornado EF0 Tornado
A brief EF0 tornado with peak estimated winds of 85 mph touched down northwest of Belvidere. Photos shared by the Boone County EMA show that a concentrated area of tree damage occurred at and across the street from a property along Distillery Road south of US Rt. 20. Multiple tre…
May 15, 2025 · Boone, Illinois
Hail Hail
May 15, 2025 · Boone, Illinois
Hail Hail
March 14, 2025 · Boone, Illinois
Thunderstorm Wind Thunderstorm Wind
February 18, 2025 · Boone, Illinois
Cold/Wind Chill Cold/Wind Chill
February 17, 2025 · Boone, Illinois
Cold/Wind Chill Cold/Wind Chill
February 12, 2025 · Boone, Illinois
Winter Weather Winter Weather
February 5, 2025 · Boone, Illinois
Winter Weather Winter Weather
November 1, 2024 · Boone, Illinois
Drought Drought
July 23, 2024 · Boone, Illinois
Thunderstorm Wind Thunderstorm Wind
Several large tree limbs were blown down and one large tree was uprooted in and near the Henninger Heights subdivision northeast of Belvidere.
July 23, 2024 · Boone, Illinois
Flash Flood Flash Flood
A 50 foot wide stream of water about 3 to 4 inches deep was rushing across Squaw Prairie Road between Townhall Road and Beloit Road. Piscasaw Creek overtopped the Squaw Prairie Road Bridge. Photos and videos showed flooded yards, driveways and roads in the adjacent Wilcox subdivi…
July 14, 2024 · Boone, Illinois
Flood Flood
Two to three inches of water caused lane blockage on Logan Avenue from East Avenue to Jamestown Avenue.
July 13, 2024 · Boone, Illinois
Flood Flood
Street flooding was reported in Belvidere.
June 22, 2024 · Boone, Illinois
Heavy Rain Heavy Rain
A 24 hour rainfall of 3.8 was recorded in Belvidere.
May 7, 2024 · Boone, Illinois
Tornado EF0 Tornado
A weak tornado touched down just west of Beaverton Road, about halfway between Hunter Road and Blaine Road. The tornado moved northeast producing sporadic tree damage in Boone County and crossed into McHenry County just north of Engelhardt Road.
March 22, 2024 · Boone, Illinois
Winter Storm Winter Storm
January 22, 2024 · Boone, Illinois
Winter Weather Winter Weather
January 15, 2024 · Boone, Illinois
Cold/Wind Chill Cold/Wind Chill
January 14, 2024 · Boone, Illinois
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
January 13, 2024 · Boone, Illinois
Winter Weather Winter Weather
January 12, 2024 · Boone, Illinois
Winter Storm Winter Storm
January 8, 2024 · Boone, Illinois
Winter Weather Winter Weather
September 1, 2023 · Boone, Illinois
Drought Drought
August 23, 2023 · Boone, Illinois
Excessive Heat Excessive Heat
August 11, 2023 · Boone, Illinois
Thunderstorm Wind Thunderstorm Wind
A photo shared on social media showed half of a small tree snapped.
August 11, 2023 · Boone, Illinois
Thunderstorm Wind Thunderstorm Wind
Several trees were blown down along the Long Prairie Trail.
July 28, 2023 · Boone, Illinois
Thunderstorm Wind Thunderstorm Wind
This gust was measured at the Poplar Grove Airport.
July 28, 2023 · Boone, Illinois
Thunderstorm Wind Thunderstorm Wind
Broken power poles and tree limbs up to 3 inches in diameter were reported broken in Belvidere via mPING.
July 28, 2023 · Boone, Illinois
Thunderstorm Wind Thunderstorm Wind
Several trees were reported down as well as siding that had been damaged on a home in the Candlewick Lake Subdivision north of Timberlane. Wind speed was estimated using radar.
July 26, 2023 · Boone, Illinois
Thunderstorm Wind Thunderstorm Wind
A 60 mph gust was measured at the Poplar Grove Airport.

Events by year

YearEventsTornadoes
2025231
2024141
2023213
2022292
2021250
2020121
2019120
201880
2017122
201650
2015125
201470
201380
201290
2011110
2010101
2009111
2008152
2007120
2006170
2005140
200460
200380
200290
200170
200070
199960
1998120
199720
199690
199530
199310
199210
199141
199030
198930
198810
198750
198611
198510
198441
198310
198210
198020
197810
197710
197610
197410
197310
197220
196711
196310
195911