| August 1996 | Flash Flood | Frankfort | $700,000 | no account filed |
| May 2000 | Flash Flood | Frankfort | $90,000 | no account filed |
| November 2019 | Flash Flood | Frankfort | $50,000 | Heavy rainfall eroded the embankment along the Hilltop Bridge over Moyer Creek, resulting in the evacuation of 50-100 residents along South Litchfield Street. |
| May 1998 | Thunderstorm Wind | Frankfort | $50,000 | no account filed |
| September 2000 | Thunderstorm Wind | Frankfort | $15,000 | no account filed |
| May 2025 | Flash Flood | East Frankfort | $5,000 | State Route 5 between Ilion and Herkimer was closed due to flooding over various sections of the road. |
| July 1994 | Thunderstorm Wind | Frankfort | $5,000 | no account filed |
| October 2019 | Flash Flood | Frankfort | $1,000 | A shed for a pump station was washed away by flood waters. |
| July 1997 | Thunderstorm Wind | Frankfort | $1,000 | no account filed |
| July 1997 | Thunderstorm Wind | Frankfort | $500 | no account filed |
| June 2025 | Thunderstorm Wind | East Frankfort | - | A local emergency manager reported a large tree down and blocking Elizabethtown Rd and North Columbia Rd in the town of Columbia. |
| July 2024 | Thunderstorm Wind | Frankfort | - | Numerous trees were downed in the Village of Frankfort. |
| June 2023 | Lightning | East Frankfort | - | A lightning bolt struck through a big oak tree off of Barringer Road in the Village of Ilion. |
| July 2023 | Thunderstorm Wind | East Frankfort | - | Herkimer County officials reported trees down in Ilion due to strong thunderstorm winds. |
| May 2022 | Debris Flow | East Frankfort | - | Bell Hill Road was closed in the town of German Flatts due to a mud and rock slide from heavy rainfall. |
| June 2021 | Thunderstorm Wind | East Frankfort | - | Trees and wires were downed in Ilion. |
| May 2019 | Thunderstorm Wind | East Frankfort | - | Trees and wires were downed. |
| July 2019 | Thunderstorm Wind | East Frankfort | - | A tree was downed onto a house. |
| July 2019 | Thunderstorm Wind | Frankfort | - | Trees and wires were downed onto a house. |
| July 2019 | Thunderstorm Wind | East Frankfort | - | A tree was downed, blocking a road. |
| July 2019 | Thunderstorm Wind | East Frankfort | - | Large tree limbs were downed. |
| January 2018 | Flood | East Frankfort | - | The Route 51 bridge in Ilion was closed near Fourth Street due to an ice jam on Steele Creek. |
| August 2017 | Hail | Frankfort | - | Estimated penny size hail was reported at a golf course. |
| October 2017 | Thunderstorm Wind | Frankfort | - | A tree was downed resulting in loss of power. |
| June 2016 | Thunderstorm Wind | East Frankfort | - | Power line wires were reported down on North Columbia Road in the town of Columbia due to thunderstorm winds. Power was out on Elizabethtown Road in Ilion as a result of the downed wires. |
| August 2016 | Thunderstorm Wind | Frankfort | - | A tree was down on wires on Route 171 in Frankfort due to thunderstorm winds. |
| June 2015 | Thunderstorm Wind | East Frankfort | - | Trees and wires were reported down in Ilion as a result of thunderstorm winds. |
| June 2014 | Flash Flood | East Frankfort | - | Flash flooding was reported in Ilion due to heavy rainfall from thunderstorms. About a foot of water was flowing across State Route 51. |
| July 2013 | Hail | East Frankfort | - | Quarter size hail was reported in North Columbia during a thunderstorm. |
| July 2013 | Flash Flood | East Frankfort | - | Multiple roads were closed throughout Ilion due to flash flooding from heavy rainfall. Areas along the Steele Creek were impacted the most. |
| June 2013 | Flash Flood | East Frankfort | - | Flash flooding occurred throughout Ilion due to heavy rainfall. Water rescues and evacuations had to take place. Some roads were washed out and damaged due to the flooding. |
| May 2013 | Thunderstorm Wind | Frankfort | - | A trained spotter reported wires down on 5th Ave at Reese Road in Frankfort due to thunderstorm winds. |
| June 2013 | Flash Flood | East Frankfort | - | Several roads along the Steele Creek in Ilion were reported to be closed due to flash flooding from heavy rainfall. |
| June 2013 | Flash Flood | East Frankfort | - | Route 51 was reportedly closed in South Ilion due to flash flooding from heavy rainfall. |
| September 2013 | Thunderstorm Wind | Frankfort | - | Many limbs, one tree and power lines were reported down on Litchfield Street in Frankfort as a result of thunderstorm winds. |
| May 2012 | Hail | East Frankfort | - | Quarter size (measured) hail was reported during a thunderstorm in Ilion. |
| September 2011 | Flood | East Frankfort | - | Route 51 was closed due to flooding from First Street in the Village of Ilion south to Old Forge Road as the Steele Creek overflowed its banks. |
| July 2011 | Thunderstorm Wind | East Frankfort | - | Trees and wires were reported down on Vosburg Street in Ilion due to strong thunderstorm winds. |
| May 2010 | Thunderstorm Wind | East Frankfort | - | A measured wind gust of 60 mph was reported in Ilion. |
| June 2008 | Hail | East Frankfort | - | Quarter size hail was reported near Ilion during a thunderstorm. |
| March 2007 | Flood | Frankfort | - | The combination of snowmelt, and moderate rainfall falling on frozen ground led to flooding of the Mohawk River at Utica, which led to several road closures.|The river rose above the flood stage of 403 feet early Thursday morning on March 15th, crested at 405.6 feet late Friday morning on March 16th, and fell back below flood stage early Sunday morning on March 18th. |
| April 2007 | Thunderstorm Wind | Frankfort | - | Numerous trees were reported down in Frankfort as a result of strong winds from a thunderstorm. |
| June 2007 | Thunderstorm Wind | Frankfort | - | Trees and wires were reported down due to strong thunderstorm winds in Frankfort. |
| November 2006 | Flood | Frankfort | - | The Mohawk River at Utica exceeded its flood stage of 403.0 feet at 6:00 AM EST on November 17th, crested at 404.7 feet at 11:30 PM EST November 17th, and then fell back below flood stage at 8:37 PM EST on November 19th. |
| May 2004 | Hail | Frankfort | - | Hail covered ground. |
| June 2004 | Lightning | Frankfort | - | Lightning reported to have hit a structure. Extent of damage unknown. |
| November 2004 | Flash Flood | Frankfort | - | Water across Route 5S in Frankfort. |
| May 2004 | Hail | Frankfort | - | no account filed |
| September 1998 | Hail | Frankfort | - | no account filed |
| August 1995 | Thunderstorm Wind | Frankfort | - | no account filed |