Snyder County weather alerts
There are no active weather alerts for Snyder County, PA right now.
Since 2016 the National Weather Service has issued about 710 alerts that included Snyder County, roughly 71 a year. The most common is the severe thunderstorm warning (134 from 2016 to 2025). The last tornado warning was issued on June 29, 2024. 10 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 Snyder County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Northumberland County, Juniata County, Mifflin County, Union County.
Snyder County alert history
Alert events that included Snyder County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 134 | 19 | October 16, 2026 |
| Winter Weather Advisory | 77 | 2 | March 3, 2026 |
| Severe Thunderstorm Watch | 69 | 14 | October 16, 2026 |
| Flood Advisory | 54 | 0 | September 22, 2024 |
| Dense Fog Advisory | 53 | 7 | November 6, 2026 |
| Flood Watch | 53 | 4 | September 3, 2026 |
| Wind Advisory | 49 | 3 | March 16, 2026 |
| Frost Advisory | 29 | 5 | October 7, 2026 |
| Freeze Warning | 22 | 4 | October 18, 2026 |
| Snow Squall Warning | 21 | 2 | January 19, 2026 |
| Flood Warning | 19 | 3 | September 3, 2026 |
| Heat Advisory | 18 | 2 | July 14, 2026 |
| Tornado Watch | 18 | 3 | June 14, 2026 |
| Freeze Watch | 17 | 3 | October 18, 2026 |
| Winter Storm Warning | 14 | 2 | February 22, 2026 |
| Winter Storm Watch | 14 | 2 | February 22, 2026 |
| Red Flag Warning | 9 | 0 | November 8, 2024 |
| Fire Weather Watch | 8 | 0 | November 8, 2024 |
| Cold Weather Advisory | 7 | 9 | February 9, 2026 |
| Flash Flood Warning | 7 | 1 | September 3, 2026 |
| Tornado Warning | 4 | 0 | June 29, 2024 |
| High Wind Watch | 4 | 0 | November 5, 2025 |
| High Wind Warning | 3 | 0 | February 16, 2025 |
| Extreme Heat Warning | 3 | 1 | July 1, 2026 |
| Extreme Heat Watch | 2 | 1 | July 1, 2026 |
| Ice Storm Warning | 2 | 0 | January 9, 2022 |
| Extreme Cold Watch | 0 | 1 | February 7, 2026 |
| Extreme Cold Warning | 0 | 1 | February 7, 2026 |
Tornado history in Snyder County
10 tornadoes have been recorded in Snyder County since 1950, injuring 7 people. That ranks 46 of 67 counties in Pennsylvania. The most recent was on September 8, 2021 (rated EF0).
Strongest tornadoes in Snyder County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| August 28, 1978 | F2 | Snyder County | 3.3 mi | 50 yd | 0 | 1 |
| April 9, 1980 | F2 | Snyder County | 0.1 mi | 10 yd | 0 | 0 |
| July 17, 1992 | F1 | Snyder County | 4.5 mi | 73 yd | 0 | 4 |
| June 6, 1994 | F1 | Snyder County | 2 mi | 50 yd | 0 | 0 |
| September 8, 2021 | EF1 | Snyder County | 0.7 mi | 30 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| September 8, 2021 | EF0 | Snyder County | 1.5 mi | 30 yd | 0 | 0 |
| September 8, 2021 | EF1 | Snyder County | 0.7 mi | 30 yd | 0 | 0 |
| August 18, 2021 | EF0 | Snyder County | 0.5 mi | 15 yd | 0 | 0 |
| July 9, 2015 | EF0 | Snyder County | 1 mi | 150 yd | 0 | 0 |
| June 6, 1994 | F1 | Snyder County | 2 mi | 50 yd | 0 | 0 |
About Snyder County
- Population: 39,627 (2024 estimate)
- State: Pennsylvania
- NOAA Weather Radio SAME code: 042109 (how to use it)