Butler County weather alerts
There are no active weather alerts for Butler County, PA right now.
Since 2016 the National Weather Service has issued about 967 alerts that included Butler County, roughly 97 a year. The most common is the severe thunderstorm warning (370 from 2016 to 2025). The last tornado warning was issued on August 16, 2026. 28 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 Butler County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Beaver County, Venango County, Allegheny County, Armstrong County.
Butler County alert history
Alert events that included Butler County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 370 | 68 | October 16, 2026 |
| Winter Weather Advisory | 81 | 2 | March 16, 2026 |
| Severe Thunderstorm Watch | 65 | 14 | September 9, 2026 |
| Flash Flood Warning | 62 | 17 | September 13, 2026 |
| Flood Advisory | 61 | 0 | September 1, 2024 |
| Flood Watch | 38 | 9 | September 12, 2026 |
| Flood Warning | 37 | 6 | October 11, 2026 |
| Dense Fog Advisory | 35 | 7 | August 21, 2026 |
| Wind Advisory | 34 | 2 | March 15, 2026 |
| Snow Squall Warning | 29 | 19 | March 17, 2026 |
| Freeze Warning | 27 | 6 | October 18, 2026 |
| Frost Advisory | 24 | 2 | May 11, 2026 |
| Tornado Warning | 19 | 4 | August 16, 2026 |
| Freeze Watch | 13 | 4 | October 18, 2026 |
| Cold Weather Advisory | 13 | 8 | February 9, 2026 |
| Tornado Watch | 12 | 3 | June 14, 2026 |
| Winter Storm Watch | 9 | 1 | January 25, 2026 |
| Winter Storm Warning | 9 | 1 | January 25, 2026 |
| Heat Advisory | 9 | 3 | September 2, 2026 |
| High Wind Watch | 5 | 0 | December 23, 2022 |
| High Wind Warning | 3 | 1 | March 13, 2026 |
| Extreme Heat Watch | 3 | 0 | June 22, 2025 |
| Red Flag Warning | 2 | 0 | April 12, 2023 |
| Extreme Cold Warning | 2 | 3 | February 7, 2026 |
| Extreme Cold Watch | 2 | 2 | February 7, 2026 |
| Extreme Heat Warning | 2 | 1 | June 30, 2026 |
| Fire Weather Watch | 1 | 0 | April 12, 2023 |
Tornado history in Butler County
28 tornadoes have been recorded in Butler County since 1950, killing 9 people and injuring 122. That ranks 8 of 67 counties in Pennsylvania. The most recent was on May 21, 2025 (rated EF0).
Strongest tornadoes in Butler County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 31, 1985 | F3 | Beaver County | 39 mi | 243 yd | 9 | 120 |
| June 1, 1954 | F2 | Butler County | 3 mi | 150 yd | 0 | 0 |
| April 28, 1981 | F2 | Butler County | 0.5 mi | 10 yd | 0 | 0 |
| July 20, 1981 | F2 | Butler County | 0.1 mi | 10 yd | 0 | 0 |
| April 28, 2002 | F1 | Butler County | 7 mi | 50 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 21, 2025 | EF0 | Butler County | 0.2 mi | 210 yd | 0 | 0 |
| May 21, 2025 | EF0 | Butler County | 0.4 mi | 160 yd | 0 | 0 |
| October 21, 2021 | EF0 | Butler County | 8.7 mi | 300 yd | 0 | 0 |
| October 21, 2021 | EF1 | Beaver County | 3.2 mi | 110 yd | 0 | 0 |
| June 16, 2019 | EF1 | Butler County | 1.5 mi | 400 yd | 0 | 0 |
About Butler County
- Population: 199,341 (2024 estimate)
- State: Pennsylvania
- NOAA Weather Radio SAME code: 042019 (how to use it)