May 6, 2025
Slow-moving thunderstorms resulted in flooding and flash flooding across portions of southern Herkimer County during the afternoon and early evening hours on May 6, 2025. Flooding was mostly concentrated within the villages of Ilion, Mohawk and Herkimer, where 2 to 3 inches of rain fell in a 1 to 2 hour period. While most of the flooding occurred with an initial batch of thunderstorms, an additional round of heavy rain in the early evening hours led to some renewed flooding from Frankfort to Her
Source: NOAA National Weather Service Storm Events Database (event 1261648). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Herkimer County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.