Tornadoes, hail, floods and severe storms recorded here between 1954 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
The part of each tornado’s path NOAA recorded in this county, 27 in all. Zoom in and the paths widen to their surveyed width.
Hover or tap a bar to see that year.
NOAA's storm database records tornadoes back to 1950 and hail and thunderstorm wind back to 1955, but floods only from 1996 on. Older floods are missing here. For those, the U.S. Geological Survey's stream gauge records and flood reports are the place to look.
The strongest tornadoes, deadliest events and biggest damage here, up to 50.
June 3, 1980 · Allegheny, Pennsylvania
August 3, 1963 · Allegheny, Pennsylvania
Tornado F3 Tornado2 deaths, 70 injuries, $25.0M damage April 29, 2025 · Allegheny, Pennsylvania
At approximately 5:08 PM based off of radar coverage, a line of storms crossing the Pittsburgh area with very strong, damaging wind gusts caused a tree to fall and kill a man as he was walking back to his house in Ross Township.
June 16, 2022 · Allegheny, Pennsylvania
A 3 month old male died after being left several hours in a hot car along Fort Couch Road in Upper Saint Clair, PA. The maximum high temperature at KAGC (11 miles from the incident) was 92F; heat index for the day was close to 100 degrees. Article: https://www.nbcnews.com/news/us…
August 19, 2011 · Allegheny, Pennsylvania
A NWS storm survey found that 2.5 inches of rain fell in one hour in a very urbanized 4.8 sq mi watershed just east of downtown Pittsburgh. Severe flash flooding developed on Washington Blvd resulting in four fatalities and up to 15 water rescues. A mother and two daughters were …
September 17, 2004 · Allegheny, Pennsylvania
Flood Flood1 death, 92 injuries, $26.0M damage May 31, 2002 · Allegheny, Pennsylvania
January 2, 1999 · Allegheny, Pennsylvania
July 1, 1997 · Allegheny, Pennsylvania
A nearly stationary thunderstorm formed over the eastern part of Allegheny County during the evening of July 1. The storm dropped near 4 inches of rain in about 90 minutes over a 4 square-mile area. The resulting flash flood was centered in a small watershed in and near Pitcairn.…
June 19, 1996 · Allegheny, Pennsylvania
December 11, 2002 · Allegheny, Pennsylvania
June 30, 1998 · Allegheny, Pennsylvania
A microburst with winds up to 85 MPH moved diagonally from northwest to southeast across Allegheny County, leaving a wide swath of damage in its wake. These winds produced an estimated $41 million in damage across the county. Over 125,000 people across the county had their power …
June 2, 1998 · Allegheny, Pennsylvania
October 6, 2024 · Allegheny, Pennsylvania
Numerous powerlines were reported down around the Ramblewood area.
October 6, 2024 · Allegheny, Pennsylvania
Trees were reported down along Bakersfield Road, near the Pittsburgh North Golf Club.
October 6, 2024 · Allegheny, Pennsylvania
Trees were reported down along Valencia Road.
October 6, 2024 · Allegheny, Pennsylvania
Babcock Boulevard in Shaler Township was closed due to downed trees and powerlines.
October 6, 2024 · Allegheny, Pennsylvania
A few small trunks and were snapped along Rachel Carson Trail.
July 2, 2018 · Allegheny, Pennsylvania
The 911 Call Center reported flooded intersection near Squaw Run Road/Field Club Road and at the intersection Fairview Road and Old Mill Road. An emergency manager also reported rushing water near Woodland Farms Road. Fox Chapel Stone Supply INC worker says the store took on 2 ft…
June 20, 2018 · Allegheny, Pennsylvania
The 911 Call Center has reported that a number of roads in southern Bethel Park have been flooded and/or impassable. This roads include: Glendale Drive, Logan Road, O'Neill Drive, Dashwood Drive (vehicle was stuck in water). Water entered the Trolley Stop Inn restaurant, cars in …
August 9, 2007 · Allegheny, Pennsylvania
Heavy rain caused flash flooding in the Millvale area and much of the North Hills area of Pittsburgh as Girtys Run came out of it's banks. Over 900 homes were affected by the flooding as well as over 200 businesses. Infrasturcture owned by local municipalities sustained over 4 mi…
January 31, 2001 · Allegheny, Pennsylvania
Ice jams moving down the Youghiogheny River produced minor flooding from Boston down to the McKeesport area. The movement of the ice itself caused the main problem, as it tore apart and destroyed 210 boat docks at the McKeesport Marina on its way out into the Monongahela River
August 6, 2000 · Allegheny, Pennsylvania
Widespread flash flooding problems were reported across the county, with 51 of the county's 130 municipalities reporting some degree of storm impact. Of those 51 municipalities, 15 reported significant impact, including flooding of streets and basements, washed-away property and …
June 19, 1996 · Allegheny, Pennsylvania
January 19, 1996 · Allegheny, Pennsylvania
May 22, 1983 · Allegheny, Pennsylvania
June 28, 2026 · Allegheny, Pennsylvania
State official reported a car stuck in floodwaters along Thompson Run Road.
June 28, 2026 · Allegheny, Pennsylvania
State official reported water over Rodi Road.
June 28, 2026 · Allegheny, Pennsylvania
Department of Highways reported that Route 48 was flooded at the intersection with Route 130.
June 14, 2026 · Allegheny, Pennsylvania
Tree down on the road near Westinghouse Bridge.
June 14, 2026 · Allegheny, Pennsylvania
Large tree down across Brighton Road near Giant Eagle.
June 14, 2026 · Allegheny, Pennsylvania
Several large trees down.
June 14, 2026 · Allegheny, Pennsylvania
June 14, 2026 · Allegheny, Pennsylvania
Trees down.
June 11, 2026 · Allegheny, Pennsylvania
Flaugherty Run Road Blocked by at least one fallen tree just north of Broadhead Road.
June 11, 2026 · Allegheny, Pennsylvania
A tree fell across the road and onto two people. Injuries unknown.
June 11, 2026 · Allegheny, Pennsylvania
Large tree limbs down damaging a tent along Ridge Road near Chatham University.
June 11, 2026 · Allegheny, Pennsylvania
Large tree down.
June 11, 2026 · Allegheny, Pennsylvania
Tree down on wires along Longvue Drive.
May 24, 2026 · Allegheny, Pennsylvania
State official reported flooding of a home along Aurora Drive.
March 31, 2026 · Allegheny, Pennsylvania
Pittsburgh International Airport ASOS.
March 31, 2026 · Allegheny, Pennsylvania
Mesonet station 1 SE Robinson Township.
March 31, 2026 · Allegheny, Pennsylvania
Tree down on power lines.
March 31, 2026 · Allegheny, Pennsylvania
Damage to multiple trees in the Haler Heights area of McKeesport near Renziehausen Park.
March 31, 2026 · Allegheny, Pennsylvania
Several trees snapped in half in a backyard.
March 26, 2026 · Allegheny, Pennsylvania
The ramp from Interstate 376 onto Route 885 was closed due to flooding.
March 17, 2026 · Allegheny, Pennsylvania
Accumulation ranging from 2-5 inches with the highest amount of 7.5 inches reported by a trained spotter 3 miles east of Curtisville.
March 13, 2026 · Allegheny, Pennsylvania
Allegheny County Airport measured 69 mph gust.
March 13, 2026 · Allegheny, Pennsylvania
Pittsburgh International Airport measured 66 mph gust.
March 7, 2026 · Allegheny, Pennsylvania
A tree and wires were reported down across Joan Drive.