Seneca County weather alerts
There are no active weather alerts for Seneca County, NY right now.
Since 2016 the National Weather Service has issued about 655 alerts that included Seneca County, roughly 66 a year. The most common is the severe thunderstorm warning (144 from 2016 to 2025). The last tornado warning was issued on September 3, 2026. 1 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 Seneca County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Wayne County, Tompkins County, Schuyler County, Cayuga County.
Seneca County alert history
Alert events that included Seneca County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 144 | 22 | September 13, 2026 |
| Winter Weather Advisory | 86 | 3 | March 17, 2026 |
| Wind Advisory | 64 | 5 | June 18, 2026 |
| Flood Advisory | 62 | 0 | July 9, 2023 |
| Severe Thunderstorm Watch | 49 | 9 | August 27, 2026 |
| Heat Advisory | 48 | 3 | July 14, 2026 |
| Frost Advisory | 28 | 3 | May 12, 2026 |
| Snow Squall Warning | 24 | 5 | January 22, 2026 |
| Flood Watch | 23 | 2 | September 2, 2026 |
| Winter Storm Watch | 21 | 1 | January 25, 2026 |
| Winter Storm Warning | 21 | 1 | January 25, 2026 |
| Flash Flood Warning | 17 | 4 | July 4, 2026 |
| Cold Weather Advisory | 11 | 3 | February 8, 2026 |
| Freeze Warning | 8 | 1 | May 3, 2026 |
| Tornado Watch | 7 | 2 | September 2, 2026 |
| High Wind Watch | 7 | 0 | November 5, 2025 |
| High Wind Warning | 7 | 0 | February 28, 2024 |
| Tornado Warning | 6 | 3 | September 3, 2026 |
| Dense Fog Advisory | 5 | 1 | February 18, 2026 |
| Extreme Cold Warning | 4 | 1 | February 7, 2026 |
| Flood Warning | 3 | 0 | May 6, 2025 |
| Freeze Watch | 3 | 0 | May 18, 2023 |
| Extreme Cold Watch | 2 | 1 | February 7, 2026 |
| Extreme Heat Warning | 2 | 1 | July 1, 2026 |
| Lake Effect Snow Warning | 1 | 0 | November 20, 2016 |
| Red Flag Warning | 1 | 0 | May 2, 2018 |
| Extreme Heat Watch | 1 | 1 | July 1, 2026 |
Tornado history in Seneca County
1 tornadoes have been recorded in Seneca County since 1950. That ranks 59 of 62 counties in New York. The most recent was on June 21, 2007 (rated EF1).
Strongest tornadoes in Seneca County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 21, 2007 | EF1 | Seneca County | 1.5 mi | 100 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 21, 2007 | EF1 | Seneca County | 1.5 mi | 100 yd | 0 | 0 |
About Seneca County
- Population: 32,650 (2024 estimate)
- State: New York
- NOAA Weather Radio SAME code: 036099 (how to use it)