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.
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…
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…
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.
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.
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.
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.
Flash Flood Flash Flood
Report of flooding on Jolly School Road near Interstate 70.
Flash Flood Flash Flood
Report of Park Avenue flooded near the Washington County Airport.
Flash Flood Flash Flood
Report and video of water rushing through the Glen Meadows Trailer Park and damaging trailer homes.
Flash Flood Flash Flood
Report of flooding over Brookhaven Avenue that is preventing entry and exit of mobile homes.
Flash Flood Flash Flood
Report of flooding along Green Valley Road just north of U.S. 40.
Flash Flood Flash Flood
Report of three feet of water in a building.
Thunderstorm Wind Thunderstorm Wind
Report of a tree and wires down blocking Scott Road in Somerset Township.
Thunderstorm Wind Thunderstorm Wind
Received a report of a tree and wires down along Lincoln Avenue.
Thunderstorm Wind Thunderstorm Wind
Received reports of of wires down along Erskine Road.
Thunderstorm Wind Thunderstorm Wind
Report of a tree falling on power lines causing the lines to go down and close Frye Avenue.
Thunderstorm Wind Thunderstorm Wind
Reports of a tree down on power lines causing them to spark.
Thunderstorm Wind Thunderstorm Wind
A tree was reported down along State Route 88 in the Riverview area.
Thunderstorm Wind Thunderstorm Wind
A tree was reported over the road on State Route 88.
Flash Flood Flash Flood
The public reported a few streets were flooded and impassable in Donora.
Flash Flood Flash Flood
The public reported a few streets were flooded and impassable in New Eagle.
Flash Flood Flash Flood
Trained spotter reported water over Barr Run Road.
Flash Flood Flash Flood
Public reported creek overflowing in Blainsburg.
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.
Flash Flood Flash Flood
State official reported a vehicle stranded in flash flooding. A water rescue was ongoing.
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.
Flash Flood Flash Flood
State official reported flooded roads in Peters Township.
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.
Flash Flood Flash Flood
Two roads were closed just northwest of Brownsville due to flooded roadways.
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…
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 …
Thunderstorm Wind Thunderstorm Wind
A report and a photo of two uprooted trees was received.
Thunderstorm Wind Thunderstorm Wind
A photo was provided of siding pulled off of a building in Finleyville.
Thunderstorm Wind Thunderstorm Wind
A picture of a tree down on power lines in Canonsburg was provided.
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…
Hail Hail
Thunderstorm Wind Thunderstorm Wind
Large limbs were downed near the I-70/I-79 interchange.
Thunderstorm Wind Thunderstorm Wind
Measured by a home wind sensor along Chambers Ridge Road.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
A tree was napped and multiple large limbs were down.
Thunderstorm Wind Thunderstorm Wind
A dozen trees were reported along Maple Drive and Mount Tabor Road.
Thunderstorm Wind Thunderstorm Wind
A power pole was snapped and fore trees were reported down.
Thunderstorm Wind Thunderstorm Wind
Numerous trees were reported down.
Thunderstorm Wind Thunderstorm Wind
Trees reported down along with siding and shingles removed from homes.
Thunderstorm Wind Thunderstorm Wind
Several trees were snapped in Cecil Township.
Thunderstorm Wind Thunderstorm Wind
Multiple trees and wires were reported down.
Thunderstorm Wind Thunderstorm Wind
Multiple trees were reported down, along with shingle and siding damage.
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 59 | 3 |
| 2024 | 60 | 3 |
| 2023 | 55 | 1 |
| 2022 | 47 | 1 |
| 2021 | 47 | 4 |
| 2020 | 48 | 0 |
| 2019 | 46 | 0 |
| 2018 | 72 | 1 |
| 2017 | 37 | 1 |
| 2016 | 17 | 1 |
| 2015 | 48 | 0 |
| 2014 | 35 | 0 |
| 2013 | 54 | 0 |
| 2012 | 17 | 1 |
| 2011 | 36 | 0 |
| 2010 | 14 | 0 |
| 2009 | 13 | 0 |
| 2008 | 21 | 0 |
| 2007 | 18 | 0 |
| 2006 | 9 | 0 |
| 2005 | 30 | 0 |
| 2004 | 26 | 0 |
| 2003 | 49 | 0 |
| 2002 | 25 | 0 |
| 2001 | 16 | 0 |
| 2000 | 15 | 0 |
| 1999 | 19 | 0 |
| 1998 | 42 | 0 |
| 1997 | 23 | 0 |
| 1996 | 30 | 0 |
| 1995 | 14 | 0 |
| 1994 | 12 | 0 |
| 1993 | 3 | 0 |
| 1992 | 3 | 0 |
| 1991 | 11 | 0 |
| 1990 | 15 | 1 |
| 1989 | 4 | 0 |
| 1988 | 4 | 0 |
| 1987 | 8 | 2 |
| 1986 | 4 | 0 |
| 1985 | 4 | 0 |
| 1983 | 3 | 0 |
| 1980 | 3 | 1 |
| 1979 | 6 | 0 |
| 1978 | 1 | 0 |
| 1976 | 3 | 1 |
| 1975 | 5 | 0 |
| 1974 | 3 | 0 |
| 1973 | 2 | 1 |
| 1970 | 3 | 0 |
| 1966 | 1 | 0 |
| 1961 | 1 | 0 |