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Washington storm history

Storm events recorded in Washington, Pennsylvania between 1950 and 2025.

1,141
Total events
22
Tornadoes
152
Hail
212
Floods
0
Deaths
$29.6M
Property damage

Most significant events

Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.

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
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.
June 25, 2025 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
A tree was reported over the road on State Route 88.
June 25, 2025 · Washington, Pennsylvania
Flash Flood Flash Flood
The public reported a few streets were flooded and impassable in Donora.
June 25, 2025 · Washington, Pennsylvania
Flash Flood Flash Flood
The public reported a few streets were flooded and impassable in New Eagle.
June 15, 2025 · Washington, Pennsylvania
Flash Flood Flash Flood
Trained spotter reported water over Barr Run Road.
June 15, 2025 · Washington, Pennsylvania
Flash Flood Flash Flood
Public reported creek overflowing in Blainsburg.
June 14, 2025 · Washington, Pennsylvania
Flash Flood Flash Flood
Emergency management reported numerous roads flooded around North Franklin township. Creeks out of their banks. 2.00 inches of rain in less than an hour.
June 14, 2025 · Washington, Pennsylvania
Flash Flood Flash Flood
State official reported a vehicle stranded in flash flooding. A water rescue was ongoing.
June 14, 2025 · Washington, Pennsylvania
Flash Flood Flash Flood
Country 911 center reported vehicles stranded in water, roadway flooding on Route 19, and residential flooding. Also, a member of the public reported a road flooding at the intersection of Jefferson and Wylie Ave.
June 14, 2025 · Washington, Pennsylvania
Flash Flood Flash Flood
State official reported flooded roads in Peters Township.
June 14, 2025 · Washington, Pennsylvania
Flash Flood Flash Flood
Local fire department reported multiple residents trapped in their homes. Multiple trapped motorists, and flooding occurring at Fire Stations in South Strabane.
May 30, 2025 · Washington, Pennsylvania
Flash Flood Flash Flood
Two roads were closed just northwest of Brownsville due to flooded roadways.
May 21, 2025 · Washington, Pennsylvania
Tornado EF1 Tornado
A tornado produced sporadic damage along a 14.5 mile path beginning near Houston, PA and finally dissipating 24 minutes later in Finleyville, PA. The initial damage occurred near Allison Hollow Road, where large limbs were broken from hardwood trees. The tornado continued east, u…
May 21, 2025 · Washington, Pennsylvania
Tornado EF0 Tornado
Based on damage reports provided to NWS, a brief EF0 tornado (max wind 65 mph) began just east of Cross Creek County Park near Oakleaf Rd, crossed Willow Rd and likely weakened toward Lynn Portal Rd. Damage in this area was mainly to trees, where several large limbs were snapped …
May 21, 2025 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
A report and a photo of two uprooted trees was received.
May 21, 2025 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
A photo was provided of siding pulled off of a building in Finleyville.
May 17, 2025 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
A picture of a tree down on power lines in Canonsburg was provided.
May 16, 2025 · Washington, Pennsylvania
Tornado EF0 Tornado
The National Weather Service in Pittsburgh conducted a storm survey based on drone footage. The damage south of East Finley Washington County Pennsylvania, between Birch Road to Elwood Day Road, was determined to be caused by a weak EF0 tornado. The damage was to hardwood trees w…
May 2, 2025 · Washington, Pennsylvania
Hail Hail
May 2, 2025 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
Large limbs were downed near the I-70/I-79 interchange.
April 29, 2025 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
Measured by a home wind sensor along Chambers Ridge Road.
April 29, 2025 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
April 29, 2025 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
A tree was napped and multiple large limbs were down.
April 29, 2025 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
A dozen trees were reported along Maple Drive and Mount Tabor Road.
April 29, 2025 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
A power pole was snapped and fore trees were reported down.
April 29, 2025 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
Numerous trees were reported down.
April 29, 2025 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
Trees reported down along with siding and shingles removed from homes.
April 29, 2025 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
Several trees were snapped in Cecil Township.
April 29, 2025 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
Multiple trees and wires were reported down.
April 29, 2025 · Washington, Pennsylvania
Thunderstorm Wind Thunderstorm Wind
Multiple trees were reported down, along with shingle and siding damage.

Events by year

YearEventsTornadoes
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
1997230
1996300
1995140
1994120
199330
199230
1991110
1990151
198940
198840
198782
198640
198540
198330
198031
197960
197810
197631
197550
197430
197321
197030
196610
196110