TornadoLookup

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Washington County, Pennsylvania

Tornadoes, hail, floods and severe storms recorded here between 1961 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.

25
Tornado reports
156
Hail reports
215
Floods since 1996
1,176
All events
1
Deaths
$29.9M
Property damage

Tornado paths in Washington County

The part of each tornado’s path NOAA recorded in this county, 25 in all. Zoom in and the paths widen to their surveyed width.

EF0EF1EF2EF3EF4EF5Unrated

Year by year

19612026
Hover or tap a bar to see that year.
All storm eventsTornadoes

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.

Most significant events

The strongest tornadoes, deadliest events and biggest damage here, up to 50.

May 19, 1997 · Washington, Pennsylvania
Flash Flood Flash Flood1 death
Heavy thunderstorm rains led to a small creek leading to Little Mingo Creek to go out of its banks and flood Beagle Club Road. Water collected around a nearby horse barn. A 40 year-old man died when he was swept into a 24 inch wide sewer pipe that he was trying to clear in the fl…
October 21, 2021 · Washington, Pennsylvania
Tornado EF2 Tornado$7.5M damage
A NWS damage survey confirmed that an EF-2 tornado, with winds peaking near 130 MPH, tracked through western Washington County on the evening of October 21, 2021. The length was over 15 miles long and the width varies in some areas but the maximum was between 600 to 700 yards. Th…
September 17, 2004 · Washington, Pennsylvania
Flood Flood$5.1M damage
June 13, 2002 · Washington, Pennsylvania
Flash Flood Flash Flood$3.0M damage
Thunderstorms produced up to 2.5 inches of rain in only a few hours, which fell onto ground that was already soaked from previous rainfall. This torrential rainfall forced the already-swollen Maple Creek out of its banks, producing significant flooding across the far eastern sect…
February 19, 2000 · Washington, Pennsylvania
Flood Flood$2.0M damage
January 19, 1996 · Washington, Pennsylvania
Flood Flood$1.4M damage
June 22, 2026 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
Tree down and large branch snapped.
June 14, 2026 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
Several trees down.
June 11, 2026 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
Several trees down in Eldersville.
June 6, 2026 · Washington, Pennsylvania
Hail Hail
June 6, 2026 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
Numerous trees down with estimated wind of 70 mph.
June 6, 2026 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
Power lines downed on Old National Pike.
June 6, 2026 · Washington, Pennsylvania
Tornado EF1 Tornado
NWS storm survey confirms a tornado near Glendon Lane southwest of Beallsville.
June 6, 2026 · Washington, Pennsylvania
Tornado EF1 Tornado
NWS storm survey confirms a tornado west of Centerville.
June 6, 2026 · Washington, Pennsylvania
Tornado EF1 Tornado
NWS Storm Survey confirms a tornado from near Cokeburg to near Long Branch.
June 6, 2026 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
Trees down on Central Avenue.
June 6, 2026 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
Numerous trees snapped on Patterson Run Road.
June 6, 2026 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
Trees and power lines down.
June 6, 2026 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
Six inch diameter tree branch snapped and 20 foot diameter tree trunk snapped.
June 6, 2026 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
Snapped and uprooted trees at Ryes Bar and Grill.
June 6, 2026 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
Several trees down.
June 6, 2026 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
Damage to roof and siding, patio furniture tossed, and trees uprooted.
June 6, 2026 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
Numerous reports and photos of trees down.
June 6, 2026 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
May 13, 2026 · Washington, Pennsylvania
Hail Hail
March 26, 2026 · Washington, Pennsylvania
Hail Hail
March 13, 2026 · Washington, Pennsylvania
High Wind High Wind
Canonsburg CWOP measured 63 mph gust.
March 13, 2026 · Washington, Pennsylvania
High Wind High Wind
Washington County Airport measured 59 mph gust.
March 7, 2026 · Washington, Pennsylvania
Hail Hail
March 7, 2026 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
Power lines were reported down on Route 519.
March 7, 2026 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
A tree was reported down across Valley View Road.
January 31, 2026 · Washington, Pennsylvania
Extreme Cold/Wind Chill Extreme Cold/Wind Chill
Minimum wind chill values across the county generally ranged from -10 to -20 degrees with the coldest reading of -20 degrees from a PennDOT sensor 2 miles south-southwest of Mcgovern in the morning hours on the 31st.
January 24, 2026 · Washington, Pennsylvania
Winter Storm Winter Storm
Widespread snow accumulation generally ranging from 9 to 13 inches was reported across the county with the highest total of 16 inches reported by the public in Avella.
January 1, 2026 · Washington, Pennsylvania
Winter Weather Winter Weather
Widespread snowfall, generally exceeding advisory criteria but falling short of warning criteria, fell across the county with amounts around 3 inches reported 2 miles east of Finleyville.
December 31, 2025 · Washington, Pennsylvania
Winter Weather Winter Weather
Widespread snowfall, generally exceeding advisory criteria but falling short of warning criteria, fell across the county with amounts around 3 inches reported 2 miles east of Finleyville.
December 13, 2025 · Washington, Pennsylvania
Winter Storm Winter Storm
Widespread snow accumulation generally ranging from 5 to 8 inches in general was reported across the county with the highest total of 8.5 inches near Avella.
July 26, 2025 · Washington, Pennsylvania
Flash Flood Flash Flood
Report of Chartiers Creek out of its banks with water running across the road and entering business at least ankle deep.
July 26, 2025 · Washington, Pennsylvania
Flash Flood Flash Flood
Report of four vehicles stranded with water up to their doors near State Route 19 and Interstate 79 close to Little Tenmile Creek.
July 26, 2025 · Washington, Pennsylvania
Flash Flood Flash Flood
Report of flooding on Jolly School Road near Interstate 70.
July 26, 2025 · Washington, Pennsylvania
Flash Flood Flash Flood
Report of Park Avenue flooded near the Washington County Airport.
July 26, 2025 · Washington, Pennsylvania
Flash Flood Flash Flood
Report and video of water rushing through the Glen Meadows Trailer Park and damaging trailer homes.
July 26, 2025 · Washington, Pennsylvania
Flash Flood Flash Flood
Report of flooding over Brookhaven Avenue that is preventing entry and exit of mobile homes.
July 26, 2025 · Washington, Pennsylvania
Flash Flood Flash Flood
Report of flooding along Green Valley Road just north of U.S. 40.
July 26, 2025 · Washington, Pennsylvania
Flash Flood Flash Flood
Report of three feet of water in a building.
June 28, 2025 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
Report of a tree and wires down blocking Scott Road in Somerset Township.
June 28, 2025 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
Received a report of a tree and wires down along Lincoln Avenue.
June 26, 2025 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
Received reports of of wires down along Erskine Road.
June 26, 2025 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
Report of a tree falling on power lines causing the lines to go down and close Frye Avenue.
June 26, 2025 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
Reports of a tree down on power lines causing them to spark.
June 25, 2025 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
A tree was reported down along State Route 88 in the Riverview area.
Events by year, as a table
YearEventsTornadoes
2026283
2025593
2024603
2023551
2022471
2021474
2020480
2019460
2018721
2017371
2016171
2015480
2014350
2013540
2012171
2011360
2010140
2009130
2008210
2007180
200690
2005300
2004260
2003490
2002250
2001160
2000150
1999190
1998420
1997300
1996300
1995140
1994120
199330
199230
1991110
1990151
198940
198840
198782
198640
198540
198330
198031
197960
197810
197631
197550
197430
197321
197030
196610
196110