Chemung County weather alerts
There are no active weather alerts for Chemung County, NY right now.
Since 2016 the National Weather Service has issued about 732 alerts that included Chemung County, roughly 73 a year. The most common is the severe thunderstorm warning (150 from 2016 to 2025). The last tornado warning was issued on July 16, 2024. 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 Chemung County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Tompkins County, Schuyler County, Tioga County, Tioga County.
Chemung County alert history
Alert events that included Chemung County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 150 | 21 | September 3, 2026 |
| Winter Weather Advisory | 90 | 3 | March 17, 2026 |
| Flood Advisory | 83 | 0 | December 18, 2023 |
| Severe Thunderstorm Watch | 64 | 9 | August 27, 2026 |
| Wind Advisory | 49 | 2 | March 15, 2026 |
| Heat Advisory | 45 | 3 | July 14, 2026 |
| Flood Watch | 43 | 3 | September 2, 2026 |
| Flash Flood Warning | 32 | 1 | August 12, 2026 |
| Snow Squall Warning | 31 | 4 | January 11, 2026 |
| Frost Advisory | 24 | 2 | May 22, 2026 |
| Winter Storm Watch | 22 | 1 | January 25, 2026 |
| Winter Storm Warning | 20 | 1 | January 25, 2026 |
| Cold Weather Advisory | 13 | 4 | February 8, 2026 |
| Flood Warning | 12 | 0 | August 10, 2024 |
| Dense Fog Advisory | 11 | 4 | August 21, 2026 |
| Freeze Warning | 9 | 1 | May 12, 2026 |
| Tornado Watch | 7 | 2 | September 2, 2026 |
| Freeze Watch | 5 | 0 | October 10, 2025 |
| Extreme Cold Warning | 5 | 1 | February 7, 2026 |
| Tornado Warning | 4 | 0 | July 16, 2024 |
| High Wind Watch | 3 | 0 | November 5, 2025 |
| Extreme Cold Watch | 2 | 1 | February 7, 2026 |
| Red Flag Warning | 2 | 0 | April 3, 2019 |
| High Wind Warning | 2 | 0 | February 24, 2019 |
| Extreme Heat Watch | 2 | 1 | July 1, 2026 |
| Extreme Heat Warning | 2 | 1 | July 1, 2026 |
Tornado history in Chemung County
6 tornadoes have been recorded in Chemung County since 1950, injuring 6 people. That ranks 36 of 62 counties in New York. The most recent was on September 2, 2014 (rated EF1).
Strongest tornadoes in Chemung County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 2, 1983 | F3 | Chemung County | 15 mi | 300 yd | 0 | 6 |
| April 27, 2011 | EF2 | Chemung County | 0.9 mi | 300 yd | 0 | 0 |
| July 26, 2012 | EF1 | Chemung County | 13.8 mi | 300 yd | 0 | 0 |
| July 26, 2012 | EF1 | Chemung County | 8.8 mi | 600 yd | 0 | 0 |
| September 2, 2014 | EF1 | Chemung County | 6 mi | 150 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| September 2, 2014 | EF1 | Chemung County | 6 mi | 150 yd | 0 | 0 |
| July 26, 2012 | EF1 | Chemung County | 13.8 mi | 300 yd | 0 | 0 |
| July 26, 2012 | EF1 | Chemung County | 8.8 mi | 600 yd | 0 | 0 |
| April 27, 2011 | EF2 | Chemung County | 0.9 mi | 300 yd | 0 | 0 |
| November 16, 2006 | F1 | Chemung County | 0.5 mi | 100 yd | 0 | 0 |
About Chemung County
- Population: 81,115 (2024 estimate)
- State: New York
- NOAA Weather Radio SAME code: 036015 (how to use it)