Tioga County weather alerts
There are no active weather alerts for Tioga County, PA right now.
Since 2016 the National Weather Service has issued about 688 alerts that included Tioga County, roughly 69 a year. The most common is the winter weather advisory (104 from 2016 to 2025). The last tornado warning was issued on September 3, 2026. 7 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 Tioga County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Lycoming County, Chemung County, Potter County, Steuben County.
Tioga County alert history
Alert events that included Tioga County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Winter Weather Advisory | 104 | 6 | November 13, 2026 |
| Severe Thunderstorm Warning | 100 | 27 | September 10, 2026 |
| Flood Advisory | 78 | 0 | September 21, 2024 |
| Severe Thunderstorm Watch | 56 | 12 | September 3, 2026 |
| Wind Advisory | 49 | 2 | March 15, 2026 |
| Flood Watch | 47 | 2 | September 3, 2026 |
| Dense Fog Advisory | 43 | 5 | August 21, 2026 |
| Frost Advisory | 26 | 5 | October 6, 2026 |
| Snow Squall Warning | 26 | 7 | March 14, 2026 |
| Winter Storm Watch | 23 | 1 | January 25, 2026 |
| Winter Storm Warning | 21 | 1 | January 25, 2026 |
| Flash Flood Warning | 17 | 5 | July 11, 2026 |
| Flood Warning | 12 | 1 | July 7, 2026 |
| Cold Weather Advisory | 12 | 9 | February 9, 2026 |
| Tornado Watch | 11 | 1 | June 14, 2026 |
| Freeze Warning | 10 | 4 | October 18, 2026 |
| Tornado Warning | 10 | 5 | September 3, 2026 |
| Freeze Watch | 8 | 2 | October 18, 2026 |
| Red Flag Warning | 6 | 0 | June 6, 2023 |
| Fire Weather Watch | 5 | 0 | June 6, 2023 |
| Extreme Cold Watch | 5 | 1 | February 7, 2026 |
| Extreme Cold Warning | 5 | 1 | February 7, 2026 |
| Heat Advisory | 5 | 2 | July 14, 2026 |
| High Wind Watch | 5 | 0 | November 5, 2025 |
| High Wind Warning | 3 | 0 | February 16, 2025 |
| Ice Storm Warning | 1 | 0 | January 9, 2022 |
Tornado history in Tioga County
7 tornadoes have been recorded in Tioga County since 1950. That ranks 57 of 67 counties in Pennsylvania. The most recent was on May 29, 2019 (rated EF0).
Strongest tornadoes in Tioga County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 2, 1983 | F2 | Tioga County | 9.8 mi | 30 yd | 0 | 0 |
| July 8, 1997 | F1 | Tioga County | 8 mi | 100 yd | 0 | 0 |
| May 29, 2011 | EF1 | Tioga County | 2.5 mi | 200 yd | 0 | 0 |
| July 23, 2018 | EF1 | Tioga County | 2.1 mi | 100 yd | 0 | 0 |
| August 30, 1970 | F1 | Tioga County | 0.3 mi | 200 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 29, 2019 | EF0 | Tioga County | 1.1 mi | 50 yd | 0 | 0 |
| July 23, 2018 | EF1 | Tioga County | 2.1 mi | 100 yd | 0 | 0 |
| May 29, 2011 | EF1 | Tioga County | 2.5 mi | 200 yd | 0 | 0 |
| June 6, 2005 | F0 | Tioga County | 2 mi | 100 yd | 0 | 0 |
| July 8, 1997 | F1 | Tioga County | 8 mi | 100 yd | 0 | 0 |
About Tioga County
- Population: 40,698 (2024 estimate)
- State: Pennsylvania
- NOAA Weather Radio SAME code: 042117 (how to use it)