Tornadoes, hail, floods and severe storms recorded here between 1955 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
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.
Hover or tap a bar to see that year.
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.
The strongest tornadoes, deadliest events and biggest damage here, up to 50.
December 26, 2015 · Jersey, Illinois
Up to four inches of rain fell causing flash flooding. Numerous roads were flooded. In Grafton, a 42 year old woman was walking home, possibly intoxicated. She was last seen on North Cedar Street at about 11 pm on December 26th, 2015. Authorities suspected she tried to cross a fl…
May 8, 2003 · Jersey, Illinois
Heavy rain caused flash flooding in parts of north Jersey County. A 79 year old man was swept off a bridge and killed in his truck when he tried to cross a flooded Sugar Creek.
September 24, 1961 · Jersey, Illinois
May 1, 1983 · Jersey, Illinois
May 1, 1983 · Jersey, Illinois
April 27, 2026 · Jersey, Illinois
Heavy rain washed out a culvert and a portion of West County Road was washed out.
April 27, 2026 · Jersey, Illinois
Heavy rain washed out a culvert and damaged Green Acres Road near Elsah.
April 27, 2026 · Jersey, Illinois
April 27, 2026 · Jersey, Illinois
April 27, 2026 · Jersey, Illinois
March 11, 2026 · Jersey, Illinois
A brief tornado was confirmed both with radar data and detailed photographs of damage. This tornado cause significant roof damage to a local restaurant, along with other miscellaneous to a local hotel and residence.
November 29, 2025 · Jersey, Illinois
A total of 6 to 8 inches of snow fell primarily during the morning hours. The snowfall rate reached 1 inch per hour at times.
August 15, 2025 · Jersey, Illinois
The combination of temperatures in the upper 90s and high humidity led to heat index values over 105 degrees for several days. The heat index peaked around 109 degrees.
July 16, 2025 · Jersey, Illinois
A HAM radio operator reported 60 mph wind gusts and up to 8 inch tree limbs down near Bluebird Lane and Illinois Route 109.
April 20, 2025 · Jersey, Illinois
Thunderstorm winds knocked down trees in Grafton.
March 14, 2025 · Jersey, Illinois
Wind gusts near 60 mph caused minor damage across the county. A farm out building was blown over near Jerseyville.
March 14, 2025 · Jersey, Illinois
Thunderstorm winds downed trees in the area.
January 5, 2025 · Jersey, Illinois
The storm began early on the 5th with snow falling through the morning. Snowfall rates exceeded 1 inch per hour for a few hours around midday. After a brief break in the afternoon, snow fell again in the evening. A total of 8 to 14 inches of snow fell across the county. Jerseyvil…
April 18, 2024 · Jersey, Illinois
No damage was found but there was a trained spotter report of a brief tornado touchdown approximately nine tenths of a mile west of Kemper, just north of Appletree Road N. The approximate path length is 0.02 miles.
March 14, 2024 · Jersey, Illinois
A tornado touched down 2.8 miles southeast of Fieldon, on Richey Hollow Road, snapping off several large tree branches. As it moved to the southeast it crossed County Road 1100N. In this area numerous trees and tree limbs were snapped off. Also, an open sided barn had the majorit…
March 14, 2024 · Jersey, Illinois
A weak tornado touched down 1.7 miles southwest of Fidelity in Jersey County, on Bowman Station Road. In this location is destroyed a small shed, snapped off several trees and tree limbs and damaged a power pole. It then tracked east northeast. As it crossed Fidelity Road it tore…
March 14, 2024 · Jersey, Illinois
There was extensive tree damage at Pere Marquette State Park. Dozens of trees were blown over or snapped off as well as widespread tree limbs blown down.
March 14, 2024 · Jersey, Illinois
A weak tornado touched down 2.3 miles north northwest of Brighton in Jersey County, on W. Miles Station Road. In this area it destroyed a small outbuilding and damaged a pickup truck that was parked in it. It also caused minor to moderate roof damage to at least 4 other outbuildi…
January 14, 2024 · Jersey, Illinois
Wind chill values dropped to as low as 33 below zero with the coldest values during the nighttime hours.
August 20, 2023 · Jersey, Illinois
A period of very hot and extremely humid weather began on Sunday, August 20 and lasted through Friday, August 25. Heat index values climbed to 110 to 120 degrees each day as measured by numerous reporting sites across the region.
July 29, 2023 · Jersey, Illinois
Thunderstorm winds blew down several large trees along Illinois Route 16 just west of Fieldon.
July 27, 2023 · Jersey, Illinois
Excessive heat across the county with highs mid to upper 90s degrees each day. Heat index values as high as 107 each day.
July 1, 2023 · Jersey, Illinois
Thunderstorm winds blew down several large trees near the intersection of Lodi Road and Illinois Route 109. Further east some power lines were blown down along Crystal Lake Road just west of Range Line Road.
June 29, 2023 · Jersey, Illinois
Thunderstorm winds blew down several trees on Hagen Road south of Jerseyville and Beltrees Road just east of Elsah.
April 20, 2023 · Jersey, Illinois
February 22, 2023 · Jersey, Illinois
December 22, 2022 · Jersey, Illinois
Between 1 and 2 inches of snow fell. The snow combined with gusty northwest winds (35-45 mph gusts) created extremely hazardous travel with sporadic near-blizzard conditions during the heaviest snowfall. Road conditions deteriorated rapidly during this event. Several accidents oc…
August 3, 2022 · Jersey, Illinois
Thunderstorm winds blew down several large trees.
June 17, 2022 · Jersey, Illinois
A large tree was blown over onto a road in town.
March 5, 2022 · Jersey, Illinois
Thunderstorm winds blew over a large outside play structure that was anchored. Also, numerous large tree limbs were blown down in the area.
February 24, 2022 · Jersey, Illinois
Up to 1.9 of sleet was reported in Jersey County with the highest amount about 1 mile southwest of Jerseyville.
February 2, 2022 · Jersey, Illinois
There were two rounds of precipitation with this system. The first round was rain changing to a mix of sleet and snow, then another round of heavy snow. Up to a quarter of an inch of sleet as well as a couple inches of snow was reported in parts of Jersey County during the mornin…
December 10, 2021 · Jersey, Illinois
Thunderstorm winds blew down a metal sign and numerous tree limbs on the east side of town along Illinois Route 16.
February 14, 2021 · Jersey, Illinois
Several rounds of snow beginning the evening of February 14th. The last round of accumulating snow exited Jersey County by 8 pm on February 15th. Overall, snowfall amounts ranged from 6 to 8 inches.
December 15, 2019 · Jersey, Illinois
Between 4 and 6 inches of snow fell across the county over a two day period, though the majority of the snow fell on the 15th.
November 27, 2019 · Jersey, Illinois
August 12, 2019 · Jersey, Illinois
Up to 4 inches of rain fell in less than 5 hours causing flash flooding. Numerous roads were flooded and several cars were stuck in high water. No injuries were reported.
June 2, 2019 · Jersey, Illinois
The Mississippi River at Grafton, IL remained at it's highest levels between the morning of June 2nd and the morning of June 12th. In Grafton, a number of homes and businesses on the west side of Illinois Route 100 were flooded during this event.
May 22, 2019 · Jersey, Illinois
A wide swath of damaging winds moved through the Jerseyville and Fidelity areas. Numerous trees, tree limbs and power lines were blown down.
January 11, 2019 · Jersey, Illinois
Several rounds of heavy snow fell across Jersey County beginning during the afternoon hours of January 11th through the early morning hours of January 13th. A co-op site 2 miles southwest of Jerseyville reported 7.0 inches of snowfall. A trained storm spotter reported 9.0 inches …
June 28, 2018 · Jersey, Illinois
Thunderstorm winds blew down a tree across Illinois Route 16 just east northeast of Fieldon.
June 28, 2018 · Jersey, Illinois
A NWS Damage Survey Team surveyed multiple areas across southern Jersey County. The survey team did find one area of concentrated damage just northwest of Elsah which it determined was caused by a brief EF-0 tornado. The tornado touched down about one quarter mile SSW of the Gree…
June 28, 2018 · Jersey, Illinois
Thunderstorm winds blew down a tree onto Illinois Route 111 just southwest of Brighton.
June 28, 2018 · Jersey, Illinois
High temperatures were in the mid 90s with heat index values 105 or higher each day.
February 1, 2018 · Jersey, Illinois