New York

Storm History: Herkimer County, New York

871 episodes, 1,800 events since 1961

Every storm the National Weather Service has filed in Herkimer County, New York: floods, hail, damaging wind, tornadoes, winter storms, heat and the rest, with the most serious on record. Events filed by forecast zone count for every county the zone covers.

The record

Events
1,800
Deaths
2
Injuries
12
Damage
$26 million
Episodes
871

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

Open the live radar over Herkimer County

Every year

From 1996 the record holds 48 kinds of event with each office’s narrative; before that, tornadoes, hail and thunderstorm wind only, and before 1955 tornadoes alone.

By kind of event

Counted under the kind that heads each episode.

Kind of eventEventsDeathsInjuriesDamage
Flash Flood27810$5.2 million
Hail22506$11 million
Winter Storm21700$449,000
Thunderstorm Wind17501$229,000
Tornado14215$3.5 million
Winter Weather10600$35,000
Flood9400$5.4 million
Lake-Effect Snow7900
High Wind7500$346,000
Heavy Snow6900
Cold/Wind Chill5600
Excessive Heat5200
Strong Wind5100$70,000
Extreme Cold/Wind Chill4900
Heat4500$1,000
Frost/Freeze3300
Ice Storm1800
Drought900
Blizzard900$11,000
Tropical Storm800
Lightning300$10,000
Debris Flow300$4,000
Wildfire200
Heavy Rain100$100,000
Storm Surge/Tide100

The deadliest

The costliest

Damage within this county, in the dollars of its year.

The largest hail

The largest stone in each episode, which may have fallen in a neighboring county of the same episode.

The strongest tornadoes

Every tornado in Herkimer County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Herkimer CountyEvery warning in Herkimer County since 1986Every county in New York

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.