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, 33 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.
April 8, 1999 · Hancock, Illinois
April 13, 1974 · Hancock, Illinois
September 30, 1973 · Hancock, Illinois
April 13, 1974 · Hancock, Illinois
July 18, 2003 · Hancock, Illinois
Also by spotters. Trees flattened.
June 21, 1981 · Hancock, Illinois
June 17, 2026 · Hancock, Illinois
A brief EF1 tornado uniquely tracked across three states. This developed just inside Lee County, Iowa, with peak winds of 105 mph, and tracked southeast through Clark County, Missouri. It then continued across the Mississippi River into Hancock County, Illinois, impacting norther…
June 17, 2026 · Hancock, Illinois
A public report of trees down in town.
June 17, 2026 · Hancock, Illinois
The time of the event was estimated using radar.
June 11, 2026 · Hancock, Illinois
Report from the Spotter Network and confirmed via social media. Time estimated by radar.
June 11, 2026 · Hancock, Illinois
Report of a funnel cloud by a firefighter. The time estimated by radar.
June 11, 2026 · Hancock, Illinois
June 11, 2026 · Hancock, Illinois
Multiple chasers and spotters reported a brief tornado in this approximate location. No damage was found, so the tornado will be rated an EF-U.
April 17, 2026 · Hancock, Illinois
Tree limbs snapped and a sheet metal roof blown off a shed. The time was estimated from radar data.
April 17, 2026 · Hancock, Illinois
Farm equipment blown into a ditch. Time was estimated from radar data.
April 17, 2026 · Hancock, Illinois
Home damaged and 3 power poles leaned over.
April 17, 2026 · Hancock, Illinois
A high-end EF1 tornado developed southwest of Denver IL and tracked through town. Through the path of the tornado, there were dozens of utility poles damaged. When factoring in the rear flank downdraft (RFD), over 50 poles were broken or bent. Many trees were snapped, some in Den…
April 17, 2026 · Hancock, Illinois
An EF-1 tornado starting in Hancock County tracked east-southeast before turning east through western McDonough County. It tracked just north of Colmar. Along the path was concentrated tree snapping, many at the base, and some uprooted. Structural damage was noted at several outb…
April 17, 2026 · Hancock, Illinois
April 17, 2026 · Hancock, Illinois
March 15, 2026 · Hancock, Illinois
Trained spotter reports range from 2.5 inches 1 mile east of La Harpe to 3.0 inches at La Harpe.
November 28, 2025 · Hancock, Illinois
The COOP Observer snowfall reports ranged from 8.1 inches in Augusta to 8.5 inches in Bentley. A trained spotter in Nauvoo reported 7.0 inches of snow.
April 20, 2025 · Hancock, Illinois
A public report of damage to a roof. The report was relayed by county 911 center. The time of the event was estimated using radar.
March 21, 2025 · Hancock, Illinois
A tree was blown down.
March 21, 2025 · Hancock, Illinois
A tree was blown down.
March 21, 2025 · Hancock, Illinois
Also reported pea size hail.
March 14, 2025 · Hancock, Illinois
Large pine tree blown down. The time was estimated from radar data.
March 14, 2025 · Hancock, Illinois
A machine shed destroyed, with nearby power poles broken. Metal roofing blown towards the northeast across the road. The time was estimated from radar data.
January 5, 2025 · Hancock, Illinois
Trained spotter reports ranged from 3.6 inches in Bentley to 4.5 inches in Augusta.
December 14, 2024 · Hancock, Illinois
Trained spotters and DOT reported widespread slick conditions with a 0.2 to 0.4 of an inch of ice accumulation on the ground and elevated surfaces.
July 15, 2024 · Hancock, Illinois
A trained spotter reported a 60 MPH wind gust.
May 24, 2024 · Hancock, Illinois
May 24, 2024 · Hancock, Illinois
Four trees blown down along the highway 5 miles north of Joeta on County Highway 5.
April 30, 2024 · Hancock, Illinois
A trained spotter reported that portions of a roof was removed from a metal shed. The time of the event was estimated using radar.
April 16, 2024 · Hancock, Illinois
A public report of a tree down.
March 31, 2024 · Hancock, Illinois
March 31, 2024 · Hancock, Illinois
Report gathered from mping.
March 31, 2024 · Hancock, Illinois
Report received from social media, with radar estimated times.
January 8, 2024 · Hancock, Illinois
Widespread heavy snow on January 8 and 9, with between 6 to 8 inches common throughout the county. A trained spotter near Colusa measured a storm total of 6.9 inches of snow.
August 6, 2023 · Hancock, Illinois
A storm chaser shared a video evidence of multiple brief touch downs of suction vortices. The chaser video shows three distinct tornado locations along this path. No reports of damage have been received. The touch downs were very sporadic along a path of 8 miles.
June 29, 2023 · Hancock, Illinois
Garage outbuilding destroyed, with winds estimate at 100 mph.
June 29, 2023 · Hancock, Illinois
Grain bin destroyed and rolled into a field. Winds estimated at 100 mph.
June 29, 2023 · Hancock, Illinois
Home weather station measured 90 mph wind gust. Estimated up to 100 mph winds.
June 29, 2023 · Hancock, Illinois
Time estimated from radar, storm chaser wind estimate.
June 29, 2023 · Hancock, Illinois
Very poor visibility.
June 29, 2023 · Hancock, Illinois
Adrian IL, communication tower bent over. Winds estimated at 120 mph.
June 29, 2023 · Hancock, Illinois
Several power poles snapped near base, with estimated winds of 120 mph.
June 29, 2023 · Hancock, Illinois
Roof ripped off mobile home, 2 injuries per emergency management.
June 29, 2023 · Hancock, Illinois
Farm outbuilding destroyed. Winds estimated 90 to 100 mph.
June 29, 2023 · Hancock, Illinois
Spotter reported snapped power poles, lots of trees down, and some barns blown over between Durham and LaHarpe. Winds were estimated over 80 miles per hour.