Herkimer County weather alerts
There are no active weather alerts for Herkimer County, NY right now.
Since 2016 the National Weather Service has issued about 1,117 alerts that included Herkimer County, roughly 112 a year. The most common is the winter weather advisory (207 from 2016 to 2025). The last tornado warning was issued on August 11, 2024. 11 tornadoes have touched down in the county since 1950.
Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS
No warnings, watches or advisories include Herkimer County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring St. Lawrence County, Oneida County, Otsego County, Hamilton County.
Herkimer County alert history
Alert events that included Herkimer County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Winter Weather Advisory | 207 | 13 | March 17, 2026 |
| Severe Thunderstorm Warning | 167 | 11 | August 27, 2026 |
| Wind Advisory | 91 | 4 | June 18, 2026 |
| Flood Advisory | 90 | 1 | March 31, 2026 |
| Winter Storm Watch | 68 | 4 | March 13, 2026 |
| Winter Storm Warning | 59 | 3 | March 13, 2026 |
| Flood Warning | 55 | 6 | April 5, 2026 |
| Severe Thunderstorm Watch | 54 | 4 | August 27, 2026 |
| Flood Watch | 43 | 2 | March 31, 2026 |
| Heat Advisory | 43 | 3 | July 14, 2026 |
| Cold Weather Advisory | 41 | 4 | February 7, 2026 |
| Frost Advisory | 35 | 2 | May 22, 2026 |
| Lake Effect Snow Warning | 34 | 1 | January 22, 2026 |
| Snow Squall Warning | 22 | 1 | January 22, 2026 |
| High Wind Warning | 16 | 0 | November 6, 2025 |
| Extreme Cold Warning | 13 | 3 | February 7, 2026 |
| Dense Fog Advisory | 12 | 0 | December 29, 2024 |
| Freeze Warning | 11 | 2 | May 22, 2026 |
| High Wind Watch | 10 | 0 | November 5, 2025 |
| Tornado Warning | 10 | 0 | August 11, 2024 |
| Tornado Watch | 9 | 2 | July 21, 2026 |
| Flash Flood Warning | 9 | 1 | July 2, 2026 |
| Extreme Cold Watch | 5 | 2 | February 7, 2026 |
| Freeze Watch | 5 | 0 | October 10, 2025 |
| Extreme Heat Warning | 2 | 1 | July 1, 2026 |
| Blizzard Warning | 2 | 0 | February 27, 2020 |
| Fire Weather Watch | 1 | 0 | April 19, 2016 |
| Red Flag Warning | 1 | 0 | April 19, 2016 |
| Ice Storm Warning | 1 | 0 | February 7, 2017 |
| Extreme Heat Watch | 1 | 1 | July 1, 2026 |
Tornado history in Herkimer County
11 tornadoes have been recorded in Herkimer County since 1950, killing 1 people and injuring 5. That ranks 16 of 62 counties in New York. The most recent was on July 16, 2024 (rated EF1).
Strongest tornadoes in Herkimer County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 18, 1970 | F1 | Herkimer County | 2.3 mi | 10 yd | 1 | 1 |
| July 16, 2024 | EF1 | Herkimer County | 4.1 mi | 150 yd | 0 | 0 |
| April 28, 2011 | EF1 | Herkimer County | 2.9 mi | 250 yd | 0 | 0 |
| August 28, 1990 | F1 | Herkimer County | 2 mi | 57 yd | 0 | 3 |
| June 22, 2024 | EF1 | Herkimer County | 2 mi | 200 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| July 16, 2024 | EF1 | Herkimer County | 4.1 mi | 150 yd | 0 | 0 |
| July 16, 2024 | EF1 | Herkimer County | 0.7 mi | 180 yd | 0 | 0 |
| June 22, 2024 | EF1 | Herkimer County | 2 mi | 200 yd | 0 | 0 |
| June 30, 2017 | EF1 | Herkimer County | 0.6 mi | 150 yd | 0 | 0 |
| April 28, 2011 | EF1 | Herkimer County | 2.9 mi | 250 yd | 0 | 0 |
About Herkimer County
- Population: 59,585 (2024 estimate)
- State: New York
- NOAA Weather Radio SAME code: 036043 (how to use it)