Cortland County weather alerts
There are no active weather alerts for Cortland County, NY right now.
Since 2016 the National Weather Service has issued about 835 alerts that included Cortland County, roughly 84 a year. The most common is the severe thunderstorm warning (198 from 2016 to 2025). The last tornado warning was issued on September 3, 2026. 6 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 Cortland County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Tompkins County, Onondaga County, Tioga County, Broome County.
Cortland County alert history
Alert events that included Cortland County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 198 | 33 | September 13, 2026 |
| Winter Weather Advisory | 124 | 7 | March 17, 2026 |
| Flood Advisory | 68 | 0 | December 18, 2023 |
| Wind Advisory | 60 | 2 | March 15, 2026 |
| Severe Thunderstorm Watch | 57 | 8 | August 27, 2026 |
| Snow Squall Warning | 55 | 5 | January 22, 2026 |
| Flood Watch | 36 | 2 | September 2, 2026 |
| Winter Storm Warning | 32 | 1 | January 25, 2026 |
| Flash Flood Warning | 30 | 5 | August 7, 2026 |
| Winter Storm Watch | 29 | 1 | January 25, 2026 |
| Flood Warning | 28 | 3 | April 1, 2026 |
| Heat Advisory | 21 | 2 | July 14, 2026 |
| Frost Advisory | 19 | 2 | May 22, 2026 |
| Cold Weather Advisory | 14 | 3 | February 8, 2026 |
| Dense Fog Advisory | 11 | 3 | August 21, 2026 |
| Tornado Watch | 9 | 2 | September 2, 2026 |
| Freeze Warning | 8 | 1 | May 12, 2026 |
| Tornado Warning | 8 | 3 | September 3, 2026 |
| Extreme Cold Warning | 7 | 1 | February 7, 2026 |
| High Wind Warning | 6 | 0 | February 16, 2025 |
| Freeze Watch | 5 | 0 | October 10, 2025 |
| High Wind Watch | 4 | 0 | November 5, 2025 |
| Extreme Cold Watch | 3 | 1 | February 7, 2026 |
| Lake Effect Snow Warning | 1 | 0 | November 20, 2016 |
| Extreme Heat Watch | 1 | 1 | July 1, 2026 |
| Extreme Heat Warning | 1 | 1 | July 1, 2026 |
Tornado history in Cortland County
6 tornadoes have been recorded in Cortland County since 1950. That ranks 36 of 62 counties in New York. The most recent was on July 15, 2024 (rated EF0).
Strongest tornadoes in Cortland County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| August 7, 2023 | EF1 | Cortland County | 9.7 mi | 200 yd | 0 | 0 |
| July 31, 1992 | F1 | Cortland County | 0.5 mi | 60 yd | 0 | 0 |
| June 2, 1998 | F1 | Cortland County | 0.1 mi | 60 yd | 0 | 0 |
| July 15, 2024 | EF0 | Cortland County | 7.5 mi | 175 yd | 0 | 0 |
| July 5, 1992 | F0 | Cortland County | 1.5 mi | 33 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| July 15, 2024 | EF0 | Cortland County | 7.5 mi | 175 yd | 0 | 0 |
| August 7, 2023 | EF1 | Cortland County | 9.7 mi | 200 yd | 0 | 0 |
| May 16, 2009 | EF0 | Cortland County | 0.4 mi | 75 yd | 0 | 0 |
| June 2, 1998 | F1 | Cortland County | 0.1 mi | 60 yd | 0 | 0 |
| July 31, 1992 | F1 | Cortland County | 0.5 mi | 60 yd | 0 | 0 |
About Cortland County
- Population: 45,945 (2024 estimate)
- State: New York
- NOAA Weather Radio SAME code: 036023 (how to use it)