| May 1973 | Tornado (F3) | not stated | 5 killed, 100 hurt, $2,500,000 | no account filed |
| March 1986 | Tornado (F2) | not stated | 1 killed, 10 hurt, $2,500,000 | no account filed |
| June 2008 | Lightning | Wakeman | 1 killed, 1 hurt | A married couple was struck by lightning while standing outside of their rural Huron County home. The husband was temporarily knocked unconscious and sustained burns to his ankle. His 51 year old wife was also knocked unconscious. She was taken to a nearby hospital where she died early the next day. Witnesses stated that it had just quit raining and that the sun had just come out at the time of the lightning strike. |
| February 2011 | Flash Flood | Norwalk | 1 killed | A motorist on South Norwalk Road entered flooded waters of a tributary of the Huron River, Cole Creek, in the town of Norwalk. The car was washed into the creek where the driver was killed. Witness report water depths of 2 to 3 feet over the bridge at time of incident. |
| June 1999 | Lightning | Wakeman | 1 killed | A 59 year old man man was struck by lightning bolt that traveled through a nearby tree. The man had been camping and was taken to a nearby hospital where he was pronounced dead. |
| August 2000 | Thunderstorm Wind | Willard | 6 hurt, $350,000 | A thunderstorm downburst with winds estimated around 100 mph moved east along US Highway 224 in southern Huron County. Many trees were downed in Willard with the first significant damage occurring in New Haven Township just southeast of Willard where a mobile home was destroyed along State Route 61. The damage path continued east along Highway 224 for approximately seven miles. Two mobile homes on State Route 13 just northeast of Greenwich were flipped over and destroyed injuring six people. One of the mobile homes was tossed 150 feet into a ditch. A house was damaged in Greenwich and at least one vehicle was crushed by fallen trees. Over 1000 trees were blown down along the 7 mile damage path and considerable crop damage also occurred. Estimates on the crop damage will not be available until after the fall harvest. |
| January 1998 | Winter Weather | Countywide | 4 hurt | no account filed |
| June 2000 | Lightning | Willard | 3 hurt | A 56 year woman and two 14 year old boys were struck by lightning at Willard High School during a track meet. The woman received only minor injuries, but both boys were hospitalized overnight. |
| May 1983 | Tornado (F2) | not stated | 2 hurt, $250,000 | no account filed |
| November 1989 | Tornado (F2) | not stated | 1 hurt, $2,500,000 | no account filed |
| September 2000 | Tornado (F2) | Monroeville | 1 hurt, $250,000 | A tornado touched down north of Monroeville along State Route 99 near Mead Road. The tornado traveled east for 2.5 miles along State Route 113 and dissipated in Erie County near the corner of Higbee and Livengood Roads. The tornado was not on the ground the entire length and had a damage path approximately 100 yards in width. A mobile home, small outbuilding, barn, garage and a camper were destroyed in Huron County. An adult male inside the mobile home was slightly injured. The damage path of the tornado was clearly visible through corn fields and debris from the destroyed buildings was strewn along the path and in some case thrown well outside the path. Ears of corn were found shucked, apparently by the tornado. Several hundred trees were downed along the damage path. |
| July 1998 | Thunderstorm Wind | Countywide | 1 hurt, $150,000 | Numerous trees were downed, particularly in the Norwalk area, where a 58 year old man was taken to the hospital after being seriously injured when a tree fell on his car. In Peru Township, a medium size barn was picked up and dropped on its top and three hay wagons were tossed around by the wind. Wind gusts were estimated at 60 miles per hour. |
| April 1996 | Thunderstorm Wind | Countywide | 1 hurt, $60,000 | no account filed |
| June 1994 | Thunderstorm Wind | Wakeman and | 1 hurt, $5,000 | Trees were downed, some on power lines. A Norwalk woman was struck by lightning while inside her home and had to be hospitalized. |
| June 2025 | Thunderstorm Wind | Steuben | 1 hurt | Downed tree injured a person in North Fairfield. |
| June 2006 | Flood | Countywide | $12,000,000 | Flooding continued to worsen in Huron County on June 22nd even after the heavy rains had ended. The City of Norwalk was especially hard hit as flooding from Norwalk Creek affected much of the city. Flood waters on Water and Elm Streets rose to as much as 12 feet in depth on the 22nd. Evacuations continued throughout the day as water levels climbed. Additional rainfall during the aftenoon further aggravated conditions. Water levels finally receded on the 23rd revealing the devastation the flooding caused throughout the county. Over a dozen homes in the county were classified as being destroyed with another 35 to 40 with major damage. Close to 200 homes were classified as having minor damage with another 600 to 700 sustaining damage from basement or nuisance flooding. Most of these homes were in the Norwalk area, although there were around 100 homes damaged in New London from mostly basement flooding. Seven business along Water Street in Norwalk were heavily damaged with another 20 to 25 businesses in the area sustaining lesser damages. Damages to the businesses along Water Street alone topped $1 million. At the peak of the flooding, most of streets in the southern half of Norwalk were closed with around 35 roads and highways elsewhere in the county closed. Hundreds of people had to be evacuated from their homes, many by boat. Around 600 feet of Lamereaux Road northwest of Norwalk was washed out, along with portions of Old State Road. Government clean up costs and damage to bridges, roads and culverts topped $1.5 million in Huron County. Crop losses because of flooding are estimated to be around 30 percent. At the peak of the flooding the majority of the county was under water. Local officials stated that flooding during this event was the worst since the July 4th, 1969. |
| June 2006 | Flash Flood | Countywide | $8,000,000 | Thunderstorms dumped torrential rains on Huron County during the late evening hours of June 21st and early morning hours of the 22nd. Widespread and devastating flash flooding occurred as a result of this rain. Damage in the county was the worst since the storms of July 4th, 1969. Between 5 and 9 inches of rain fell on much of the county. Cooperative observers in Norwalk measured a storm total of 5.70 inches with a spotter report just south of town of 6.66 inches. Other reports included 6.0 inches in New London and 4.20 inches in Fitchville. Most of this rain fell in a three to four hour period. Runoff from this rain caused area streams and rivers to quickly rise. By 3 a.m. evacuations were under way in Norwalk where flood waters around two feet deep were already being reported on the ground floors of several homes. Evacuations were also conducted near Clarksfield around the same time. Many of these evacuations were conducted by boat. Water levels continued to rise as daybreak approached. Dozens of roads in the county were washed out or flooded with water in some areas several feet deep. Dozens of vehicles became stranded in the flood waters and many motorists had to be resuced by emergency personnel. The Norwalk area was especially hard hit. By 8 am on the 22nd, the city had effectively been cut in half by the flooding with Linwood Avenue the only accessible north/south route still open. Evacuations continued through the morning hours of the 22nd with residents along Elm Street evacuated after daybreak. Water Steet and Benedict Avenue were also hard hit with homes and business heavily damaged or destroyed. Significant flooding also was reported in New London where over 100 homes were damaged by flooding. See the accompanying flood write up for more damage estimates and information. |
| August 1998 | Flash Flood | Countywide | $1,000,000 | Heavy thunderstorm rain caused widespread flooding. The towns of Willard, Greenwich and New London in the southern portion of the county sustained the most damage with fifty to sixty homes flooded; some were total losses. Up to 1000 basements were flooded. Roads were flooded, some washed out in places, and four people had to be rescued from stranded vehicles. |
| August 2003 | Thunderstorm Wind | Strongs Ridge | $800,000 | A thunderstorm downburst with winds estimated at 70 mph caused considerable damage. The section of Bellevue in Huron County was the hardest hit part of the city. Around 150 trees were downed on the northeast side of Bellvue with damage reported on every street. Fifty homes and many cars were damaged in this area. Over two dozen streets were blocked by fallen trees and limbs. A construction trailer was overturned and destroyed. The winds were strong enough to move several parked railroad cars over 200 feet. |
| November 2002 | Tornado (F1) | Hunts Corner | $800,000 | The same thunderstorm that produced the deadly Seneca County tornado spawned another tornado in northwestern Huron County. This tornado touched down near the intersection of Young Road and State Route 4 southeast of Bellevue and northwest of Hunts Corners. The tornado moved northeast for around seven and a half miles before entering Erie County north of Monroeville near the intersection of Section Line Road and State Route 113. The tornado caused some damage in Lyme Township. The township hall and garage located on Young Road near Section Line Road were severely damaged. Trucks and other heavy equipment stored in the garage were destroyed. As the tornado continued northeast it destroyed a few barns and caused minor damage to some homes. Many trees and power poles were downed along the damage path which was mostly 25 to 50 yards in width. |
| February 2011 | Flood | Steuben | $750,000 | More than 127 sites on Huron County roads needed repairs after flood waters caused erosion damage. Along with severe roadside erosion, many culverts and small bridges were washed out from the flooding. |
| June 2019 | Flash Flood | Peru | $500,000 | Heavy rain measuring 2.64 fell over in Norwalk on the afternoon of the 20th, most of which fell between 1 and 4 PM. US 250 and Route 20 flooded south of Norwalk, 4NE North Fairfield Section of Peru Olena Road in Norwalk washed away. |
| July 2000 | Flash Flood | Norwalk | $500,000 | Thunderstorms dumped torrential rain on Norwalk during the late afternoon and early evening hours. 4.87 inches of rain was measured in Norwalk with 3 inches of that total falling in a 20 minute period around 530 pm. All streets in downtown Norwalk had to be closed because of water up to three feet deep. A car was washed off of a road in Lemar Lake Park. The vehicle became submerged in 5 feet of water. The driver of the car was rescued by fire fighters. Several roads in Norwalk were washed out. Many cars and homes sustained flooding damage. |
| May 2009 | Flash Flood | Fitchville | $400,000 | Training thunderstorms with very heavy rainfall formed over southeastern Huron County during the afternoon of the 26th. Rainfall of 4 to 5 inches fell between Greenwich, Fitchville, and New London between approximately 3pm and 5:30pm local time. A rain gage in Fitchville measured 5.1 inches during the event. Several roads in the area were flooded, including SR 13 at the Southwest Branch Vermilion River, SR 162 between New London and Fitchville, and US 250 near Exchange Road southeast of Fitchville. Many basements in the area were flooded for the first time. |
| July 2003 | Thunderstorm Wind | Countywide | $300,000 | A line of severe thunderstorms moved east across Huron County early in the morning and caused widespread damage and scattered power outages. A 65 mph wind gust was measured near Norwalk at 4:30 a.m. Dozens of trees were downed across the county and at least three power poles were toppled near Bellvue. A home in Norwalk was heavily damaged by a fallen tree. A few homes and vehicles were also damaged in Bellevue. |
| July 1999 | Thunderstorm Wind | Countywide | $300,000 | Thunderstorms producing strong downburst winds downed trees and power lines across the entire county. An addition to a house was completely destroyed along State Route 162 in North Fairfield and an adjacent concrete block barn was destroyed. The roof of a small mobile home was torn off and landed on a truck and destroyed it. Two barns were blown down southeast of Greenwich on Fairfield Angling Road. The roof of trucking company located on State Route 61 north of Plymouth was blown off. One semi trailer inside the building was crushed by the collapsing roof and another semi trailer parked outside was flipped on its side. A plumbing business lost the south wall of its building and had damage done to its floor. A pole building at a Fitchville gas company was destroyed. |
| June 2023 | Tornado (EF2) | Monroeville | $270,000 | This tornado began about two miles south of Monroeville, near Townline Road 198 and Sand Hill Road, where trees were damaged. The tornado moved southeastward, damaged additional trees, and caused EF0 to EF1-level damage to two barns and outbuildings. The greatest damage from the tornado occurred in vicinity of Snyder Road and Peru Center Road. This is where several residences sustained EF1 to EF2-level damage and the tornado's estimated peak winds reached 115 mph. A piece of slate roofing was lifted off a building north of Snyder Road and impaled a tree to the southeast. An outbuilding was destroyed completely and material from this structure was lofted a quarter mile southeast into a residence before eventually settling into a tree line. About ten buildings in total sustained damage, including one residence that was shifted off its foundation.||Damage to additional trees and outbuildings occurred as the tornado persisted farther southeastward across Peru Center Road, toward Townline Road 131 and OH-61. As the tornado reached Hanville Corners Road and Townline Road 113, several outbuildings and silos were damaged heavily with twisted debris lofted in various directions. The tornado continued farther southeast toward OH-162 and Ridge Road, where it caused heavy damage to a barn before the tornado dissipated west of the village of North Fairfield. |
| November 2017 | Tornado (EF1) | West Clarksfield | $250,000 | An EF1 tornado touched down along Wakeman Town Line Road just north of State Route 18. A home near the initial touchdown sustained significant roof damage and some hardwood trees in the area were damaged. The tornado continued east northeast and damaged a couple buildings as it crossed Fitchville River Road. The tornado then turned to the northeast. A barn on St. Johns Road lost most of its roof. Debris from the roof was found up to a quarter mile away. The tornado continued on the ground for a couple hundred yards more before finally lifting over open farmland. Dozens of trees were snapped or uprooted along the damage path. This tornado was on the ground just under two miles and had a damage path up to 100 yards in the width. |
| June 2014 | Thunderstorm Wind | Willard | $250,000 | A thunderstorm downburst with winds estimated at 60 mph caused considerable damage in Willard. Dozens of large trees and a couple of power poles were toppled by the strong winds. Widespread power outages occurred. |
| November 2013 | Thunderstorm Wind | Norwalk | $250,000 | Thunderstorms wind gusts in excess of 60 mph caused considerable damage in Norwalk. Dozens of trees were downed and at least one home sustained structural damage. Over half of the city lost power from the storm. |
| June 2012 | Thunderstorm Wind | Norwalk | $250,000 | Thunderstorm winds estimated at 60 to 70 mph caused extensive damage in Norwalk. Dozens of trees were downed in the city. Several homes sustained damage, mainly from fallen trees and limbs. A few utility poles were snapped caused scattered power outages. |
| May 2011 | Tornado (EF1) | Monroeville | $250,000 | An EF1 tornado touched down in a cemetery on the southeast side of Monroeville. This tornado then continued east on the ground for about eight miles before lifting near the intersection of Tiger Road and North Greenwich Milan Road on the southeast side of Norwalk. The path was parallel and just south of U.S. Route 20 for several miles. Around a dozen homes and businesses were damaged by this tornado. A couple of the buildings lost large sections of roofing with some of damage caused by fallen trees. The tornado also leveled a large barn as it crossed Halfway Road. Several dozen trees were also downed along the damage path which was no more than 50 yards in width. |
| July 2003 | Flash Flood | Countywide | $250,000 | Thunderstorms dumped very heavy rains on Huron County during the late afternoon and early evening hours. Over two inches of rain fell in Willard during a 20 minute period. For the afternoon, 2.9 inches of rain fell at Willard. Widespread street and lowland flooding occurred in both Willard and Norwalk. Several roads were washed out in Willard and Ripley Township. New State Road was washed out just to the south of U.S. 224. Water on some roads in Willard was reported to be as much as five feet deep. |
| May 1991 | Tornado (F1) | not stated | $250,000 | no account filed |
| June 1977 | Tornado (F1) | not stated | $250,000 | no account filed |
| June 1977 | Tornado (F2) | not stated | $250,000 | no account filed |
| August 1972 | Tornado (F2) | not stated | $250,000 | no account filed |
| November 2017 | Tornado (EF0) | Steuben | $200,000 | An EF1 tornado touched down about a mile west of Steuben on the south side of State Route 162. The tornado moved north and damaged a couple large grain bins. The bins were caved in on their south facing sides. Towers on the top of the bins were toppled in different directions. A semi truck near the bins was knocked over. The tornado then crossed State Route 162 and damaged a home and a barn. The house lost a section of roofing which was found scattered to the south of the house. The tornado damaged another small grain bin before lifting over open farmland. This tornado was on the ground for just over a half mile. |
| November 2017 | Tornado (EF1) | Peru | $200,000 | An EF1 tornado touched down in rural Peru Township south of Norwalk. The initial touchdown occurred along State Route 61 about half way between Hasbrock Road and Peru Hollow Road. Some utility poles and trees were downed in the area. The tornado then continued mainly northeast downing many trees. A large swath of pine trees was leveled along Ridge Road just south of Hasbrock Road. The trees were uprooted or snapped in a convergent pattern. The tornado continued northeast to New State Road where a couple of barns and sheds sustained some roof damage. The tornado then crossed the southern end of a golf course where more downed trees and projectiles were observed. The tornado eventually lifted just south of where Old State Road crosses U.S. Route 250. This tornado was on the ground for just under 3 miles and had a damage path up to 200 yards wide. |
| January 2007 | Flood | Milan | $200,000 | Runoff from heavy rains on January 5th caused the Huron River at Milan to go above the flood stage of 18 feet during the early morning hours of January 6th. The river crested at 20.29 feet during the early afternoon hours of 6th and fell back below flood stage around midnight on the 7th. Some flooding was reported in Franklin Flats. Many roads had to be closed in Huron County because of flooding. |
| June 2023 | Tornado (EF1) | Olena | $165,000 | This tornado began in vicinity of New State Road and Townline Road 131, where it downed a deteriorated barn. The tornado continued southeast toward the village of North Fairfield, intensified, lifted a large portion of a roof off an outbuilding, and downed several trees on Hanville Corners Road. A power pole was separated from power lines with additional tree damage. The tornado entered North Fairfield and caused widespread tree and power line damage in the village. Some roofing material was lifted off residences and some trees fell onto homes. A large sign was ripped off the facade of a building and several light and power poles were leaning along Main Street (OH-162). Damage in the village was at the EF0 to EF1 level and this is where the tornado was widest along its path.||The tornado continued southeastward across Penn Road toward Old State Road and Olive Road, where a large area of snapped and shredded trees fell and additional damage occurred to several barns and outbuildings. The greatest damage occurred near the intersection of Old State Road and Townline Road 12, where the tornado's estimated peak winds reached 110 mph. Several large trees were snapped, a mobile home was damaged heavily, and three power poles were snapped at their bases. As the tornado persisted farther southeast toward Boughtonville Road, several silos were damaged heavily. Near Edwards Road and Boughtonville Road, several roofs were displaced from outbuildings and the second floor of a residence was damaged heavily. The tornado continued toward Greenwich Milan Townline Road, where a large swath of trees were snapped. Minor tree and power pole damage occurred near the intersection of US-224 and Greenwich Milan Townline Road, west of the village of Greenwich, just before the tornado dissipated. |
| November 2017 | Tornado (EF0) | Fitchville | $125,000 | A weak tornado touched down west of Fitchville near the intersection of Cresent and Rome Greenwich Roads. A mobile home on the south side of Crescent Road was mostly destroyed. The south side of the mobile remained anchored in place while debris from the destroyed northern half of the home was found scattered to the north and south. From the mobile the tornado moved east northeast crossing U.S. Route 250 and only intermittently making contact with the ground. The tornado settled back on the ground as it approached Palmer Road. Several trees were snapped or uprooted in that area. A clear tornado track then continued off to the northeast through several corn fields with evidence of rotation visible. The tornado then damaged a small barn as it crossed Exchange Road. Roofing material from the barn was found scattered on both sides of the road. The tornado eventually lifted just west of the intersection of Fayette and Greenwich East Roads. This tornado had a damage track about three and a quarter miles in length and up to a 100 yards in width. |
| July 2012 | Thunderstorm Wind | Norwalk | $125,000 | Thunderstorm downburst winds estimated to be at least 60 mph downed many trees and limbs in Norwalk. A vehicle accident on Washington Street was caused by one of the fallen trees. The driver was transported to a local hospital. Scattered power outages were reported in the city. |
| May 2004 | Thunderstorm Wind | Countywide | $125,000 | A line of severe thunderstorms moved across Huron County and downed dozens of trees. Scattered power outages were also reported. Most of the damage was in the eastern half of the county. A few homes and vehicles were damaged by fallen trees and flying debris. |
| July 2003 | Thunderstorm Wind | Norwalk | $125,000 | Thunderstorm winds downed dozens of trees and large limbs in and around Norwalk. At least four homes were damaged by trees. |
| May 2022 | Thunderstorm Wind | Hunts Corner | $120,000 | Sixteen power poles were snapped along Sand Hill Ridge Road, about three-miles WSW of Monroeville. |
| August 2011 | Thunderstorm Wind | Strongs Ridge | $100,000 | A thunderstorm downburst caused considerable damage in Bellevue. Dozens of trees were toppled by winds estimated to be at least 75 mph. A damage path around a mile long was observed in both the Sandusky and Huron County portions of the city. A few houses and vehicles were damaged by downed trees and limbs. |
| January 2008 | Thunderstorm Wind | Norwalk | $100,000 | A report was received from the Emergency Manager of wind damage to sevral homes in a neighborhood from this event. A survey was conducted and it was noted that several homes in the area lost shingles. One house that had nearly half the shingles blown off actually damaged the house next to it. The severe winds were strong enough to cause the shingles to break through the vinyl siding and plywood exterior of the neighboring house. Shingles were actually found in the attic of the neighboring home. Law enforcement reports from that evening also indicate that several trees were down across the City of Norwalk. |
| November 2002 | Thunderstorm Wind | Countywide | $100,000 | Thunderstorm winds downed many trees in Willard, North Fairfield and near Norwalk. Two homes were significantly damaged by fallen trees in Willard. |
| July 1999 | Tornado (F1) | New London | $100,000 | A tornado briefly touched down near New London. Around 200 trees were blown down. The roof of a barn on State Route 60 was blown off and two other barns just east of town were completely destroyed. Two businesses in New London also suffered roof damage. |
| July 1998 | Tornado (F0) | Willard | $100,000 | A tornado touched down northwest of Willard and traveled southeast to Plymouth. Homes along the route sustained shingle and antenna damage. Two railroad cars were blown off the track and many trees were downed or their tops were broken off. |
| June 1997 | Lightning | Norwalk | $100,000 | no account filed |
| July 1995 | Thunderstorm Wind | Countywide | $100,000 | no account filed |
| May 2017 | Thunderstorm Wind | White Fox | $75,000 | A thunderstorm downburst downed several trees and leveled a barn southeast of Clarksfield on Monroe Road. |
| July 2013 | Flash Flood | Norwalk | $75,000 | The Norwalk Creek exceeded its banks as it was overwhelmed by runoff from torrential rain. The creek rose quickly and thretened a few homes and businesses which were inundated to their first level. A woman was rescued from her vehicle as the flowing creek overran Lover's Lane Road. |
| April 2004 | Hail | Monroeville | $75,000 | Penny to quarter size hail was observed six miles west of Monroeville in Bellvue. Hail completely covered the ground at some locations on the east side of town. Many cars were damaged in this area. |
| July 2000 | Thunderstorm Wind | Norwalk | $75,000 | Thunderstorm winds toppled two large cinder block walls at a school construction site. |
| July 1998 | Thunderstorm Wind | Willard | $75,000 | Trees, large limbs and power lines were downed and roofs were damaged. |
| June 1997 | Flash Flood | Countywide | $70,000 | no account filed |
| June 2023 | Tornado (EF1) | Boughtonville | $60,000 | An EF1 tornado with estimated peak winds of 105 mph exhibited deviant west-to-east motion in the Greenwich area. The tornado started in vicinity of Townline Road 12 and Edwards Road, where several softwood trees were snapped. The tornado struck a business, where it damaged an office, several silos, an outbuilding, and some equipment. The tornado followed Townline Road 12 east to Greenwich Milan Townline Road, where additional tree damage occurred along with a clear damage path in a field. Additional trees were downed along Omega Road before the tornado dissipated near OH-13, northeast of Greenwich. |