Severe Weather in Allegheny, United States
18 — recorded here, since 27 March 2026
11 in the last 30 days. Most recent: 28 August 2026 (4 days ago).
The 15th strongest of the 18 recorded here since 27 March 2026.
By month
- March 202632
- April 20265
- May 20261
- June 20268
- July 202616
- August 202638
August 2026 is the most active month of the 6 in our series here, with 38 events.
Hazards recorded here
Recent events
- Severe Thunderstorm Warning28 August 202600:04 UTCmediumCS 415 independent sources
- Severe Thunderstorm Warning27 August 202623:46 UTCmediumCS 415 independent sources
- D — 2 WNW Reserve Township, Allegheny Co., PA16 August 202619:41 UTCmediumCS 483 independent sources
- Flash Flood Warning10 August 202616:58 UTCmediumCS 4818 independent sources
- G (40 MPH) — 1 W West Mifflin, Allegheny Co., PA10 August 202616:42 UTCmediumCS 482 independent sources
- Severe Thunderstorm Warning7 August 202623:15 UTCmediumCS 489 independent sources
- Severe Thunderstorm Warning7 August 202623:06 UTCmediumCS 4120 independent sources
- Flash Flood Warning7 August 202621:45 UTCmediumCS 48
- Flash Flood Warning7 August 202621:21 UTCmediumCS 48
- Flash Flood Warning7 August 202620:46 UTCmediumCS 418 independent sources
- Tornado Warning2 August 202621:46 UTCcriticalCS 726 independent sources
- Severe Thunderstorm Warning18 July 202610:11 UTCmediumCS 48
- Severe Thunderstorm Warning18 July 202609:43 UTCmediumCS 48
- Flash Flood Warning10 July 202622:12 UTCmediumCS 48
- D — 1 WNW Shaler Township, Allegheny Co., PA4 July 202620:47 UTCmediumCS 482 independent sources
- Flash Flood Warning26 June 202602:45 UTCmediumCS 48
- G (58 MPH) — 1 SE Robinson Township, Allegheny Co., PA1 April 202603:50 UTCmediumCS 482 independent sources
- F — 1 SE Whitaker, Allegheny Co., PA27 March 202601:49 UTCmediumCS 482 independent sources