TornadoLookup
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Montgomery storm history

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

1,571
Total events
19
Tornadoes
132
Hail
283
Floods
65
Deaths
$254.7M
Property damage

Most significant events

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

July 27, 1994 · Montgomery, Pennsylvania
Tornado F3 Tornado3 deaths, 25 injuries, $50.0M damage
The parent thunderstorm that produced two tornadoes and downburst wind damage in eastern Chester County split in two near Spring City in Chester County. The left or western thunderstorm entered Montgomery County in Royersford and wind related damage intensified as the thunderstor…
September 1, 2021 · Montgomery, Pennsylvania
Tornado EF2 Tornado1 death, 2 injuries, $5.0M damage
A semi-discrete supercell thunderstorm began to exhibit rotation over Delaware County, PA around 5:15 PM on September 1. The rotation continued north-northeast into Montgomery County, and eventually strengthened enough to produce a tornado. Minor tree damage was first observed al…
September 1, 2021 · Montgomery, Pennsylvania
Flash Flood Flash Flood2 deaths, $20.0M damage
Widespread flash flooding occurred in Montgomery County with many road closures and vehicles stranded. Numerous water rescues took place. There were two flood related fatalities, one in Skippack and one in Bridgeport. Many buildings and homes were flooded. Most waterways in the c…
August 4, 2020 · Montgomery, Pennsylvania
Flash Flood Flash Flood1 death
A 5-year-old girl with autism was swept away by flood waters running through a tributary of Towamencin Creek after wandering away from her nearby family home. Rescuers found the victim's body adjacent to the creek in Fischer's Park after a 22-hour search.
June 3, 2020 · Montgomery, Pennsylvania
Thunderstorm Wind Thunderstorm Wind1 death
A tree crased through the roof of a building at the Philmont Country Club in Lower Moreland Township killing one employee.
June 3, 2020 · Montgomery, Pennsylvania
Thunderstorm Wind Thunderstorm Wind1 death
A tree fell on the roof of a car killing one person near the intersection of Belmont Avenue and Rock Hill Road. Time estimated from radar.
June 3, 2020 · Montgomery, Pennsylvania
Thunderstorm Wind Thunderstorm Wind1 death
A tree fell on the roof of a car killing one person in Lower Merion along Medford Road.
October 29, 2012 · Montgomery, Pennsylvania
High Wind High Wind1 death, $3.0M damage
July 1, 2012 · Montgomery, Pennsylvania
Heat Heat2 deaths
May 29, 2012 · Montgomery, Pennsylvania
Heat Heat1 death
August 28, 2011 · Montgomery, Pennsylvania
Flood Flood1 death
A 65-year-old woman on her way to work drowned in her car in the Wissahickon Creek in Fort Washington. In addition to the gaged creeks, the Unami Creek flooded in Marlborough Township. The Schuylkill River at Norristown had major flooding and its fourth highest crest on record, h…
July 21, 2011 · Montgomery, Pennsylvania
Excessive Heat Excessive Heat2 deaths
October 1, 2010 · Montgomery, Pennsylvania
Flood Flood1 death
The Perkiomen Valley was hit the hardest by flooding in Montgomery County. A 55-year-old woman drowned after she drove into flood waters of the Skippack Creek on the morning of October 1st off Stump Hall road just north of Anders Road near Evansburg State Park near Skippack. Near…
July 5, 2010 · Montgomery, Pennsylvania
Excessive Heat Excessive Heat3 deaths
June 10, 2008 · Montgomery, Pennsylvania
Thunderstorm Wind Thunderstorm Wind1 death
Damage from a squall line of severe thunderstorms in the northwest Philadelphia suburbs peaked in Montgomery County. A swath of wind damage (downed trees) occurred from around Collegeville southeast into Abington Township and Hatboro. PECO Energy reported about 78,500 homes and b…
June 7, 2008 · Montgomery, Pennsylvania
Excessive Heat Excessive Heat1 death
February 12, 2008 · Montgomery, Pennsylvania
Winter Storm Winter Storm1 death, 4 injuries
February 6, 2007 · Montgomery, Pennsylvania
Extreme Cold/Wind Chill Extreme Cold/Wind Chill1 death
September 2, 2006 · Montgomery, Pennsylvania
Flood Flood1 death
August 1, 2006 · Montgomery, Pennsylvania
Heat Heat2 deaths
February 12, 2006 · Montgomery, Pennsylvania
Winter Storm Winter Storm1 death
February 6, 2006 · Montgomery, Pennsylvania
Cold/Wind Chill Cold/Wind Chill1 death
August 2, 2005 · Montgomery, Pennsylvania
Heat Heat1 death
July 25, 2005 · Montgomery, Pennsylvania
Heat Heat2 deaths
January 22, 2005 · Montgomery, Pennsylvania
Heavy Snow Heavy Snow1 death
December 1, 2004 · Montgomery, Pennsylvania
Strong Wind Strong Wind1 death
January 14, 2003 · Montgomery, Pennsylvania
Cold/Wind Chill Cold/Wind Chill1 death
November 28, 2002 · Montgomery, Pennsylvania
Cold/Wind Chill Cold/Wind Chill1 death
August 1, 2002 · Montgomery, Pennsylvania
Heat Heat3 deaths
July 28, 2002 · Montgomery, Pennsylvania
Heat Heat2 deaths
August 6, 2001 · Montgomery, Pennsylvania
Heat Heat2 deaths
June 16, 2001 · Montgomery, Pennsylvania
Flash Flood Flash Flood1 death, $33.5M damage
September 16, 1999 · Montgomery, Pennsylvania
Flash Flood Flash Flood3 deaths, 8 injuries, $12.0M damage
July 4, 1999 · Montgomery, Pennsylvania
Heat Heat1 death, 5 injuries
June 27, 1999 · Montgomery, Pennsylvania
Heat Heat1 death
June 7, 1999 · Montgomery, Pennsylvania
Heat Heat2 deaths, 1 injury
July 21, 1998 · Montgomery, Pennsylvania
Heat Heat3 deaths
June 25, 1998 · Montgomery, Pennsylvania
Heat Heat1 death
July 27, 1997 · Montgomery, Pennsylvania
Heat Heat1 death
June 24, 1997 · Montgomery, Pennsylvania
Heat Heat1 death
September 8, 1996 · Montgomery, Pennsylvania
Flash Flood Flash Flood2 deaths, $20.0M damage
January 19, 1996 · Montgomery, Pennsylvania
Flood Flood3 deaths, $3.2M damage
January 12, 1996 · Montgomery, Pennsylvania
Heavy Snow Heavy Snow1 death
January 7, 1996 · Montgomery, Pennsylvania
Blizzard Blizzard1 death, $2.7M damage
January 27, 2009 · Montgomery, Pennsylvania
Winter Storm Winter Storm12 injuries
September 1, 2021 · Montgomery, Pennsylvania
Flash Flood Flash Flood$20.0M damage
Widespread flash flooding occurred in Montgomery County with many road closures and vehicles stranded. Numerous water rescues took place. Many buildings and homes were flooded. Most waterways in the county overflowed their banks, including the Schuylkill River, Perkiomen Creek an…
September 1, 2021 · Montgomery, Pennsylvania
Flash Flood Flash Flood$20.0M damage
Widespread flash flooding occurred in Montgomery County with many road closures and vehicles stranded. Numerous water rescues took place. Many buildings and homes were flooded. Most waterways in the county overflowed their banks, including the Schuylkill River, Perkiomen Creek an…
February 9, 2010 · Montgomery, Pennsylvania
Winter Storm Winter Storm$5.0M damage
August 2, 2009 · Montgomery, Pennsylvania
Flash Flood Flash Flood$12.0M damage
Thunderstorms with torrential downpours caused flash flooding in several municipalities and a major mudslide across southern Montgomery County. Doppler Radar storm total estimates averaged between 2.5 inches and 4.5 inches. In Lower Merion Township, a mudslide closed both directi…
June 27, 2006 · Montgomery, Pennsylvania
Flood Flood$22.0M damage

Events by year

YearEventsTornadoes
2025430
2024210
2023540
2022130
20211002
20201162
2019910
2018480
2017340
2016250
2015250
2014340
2013160
2012450
2011520
2010470
2009640
2008590
2007520
2006550
2005480
2004400
2003521
2002560
2001360
2000320
1999520
1998640
1997290
1996410
199591
1994122
199320
199290
1991101
199070
1989102
198842
198750
198630
198530
198380
198251
198010
197930
197821
197750
197630
197540
197440
197310
197040
196820
196611
196510
196330
196210
196111
196011
195710
195621