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.
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…
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…
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…
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.
A tree crased through the roof of a building at the Philmont Country Club in Lower Moreland Township killing one employee.
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.
A tree fell on the roof of a car killing one person in Lower Merion along Medford Road.
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…
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…
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…
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…
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…
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…
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 43 | 0 |
| 2024 | 21 | 0 |
| 2023 | 54 | 0 |
| 2022 | 13 | 0 |
| 2021 | 100 | 2 |
| 2020 | 116 | 2 |
| 2019 | 91 | 0 |
| 2018 | 48 | 0 |
| 2017 | 34 | 0 |
| 2016 | 25 | 0 |
| 2015 | 25 | 0 |
| 2014 | 34 | 0 |
| 2013 | 16 | 0 |
| 2012 | 45 | 0 |
| 2011 | 52 | 0 |
| 2010 | 47 | 0 |
| 2009 | 64 | 0 |
| 2008 | 59 | 0 |
| 2007 | 52 | 0 |
| 2006 | 55 | 0 |
| 2005 | 48 | 0 |
| 2004 | 40 | 0 |
| 2003 | 52 | 1 |
| 2002 | 56 | 0 |
| 2001 | 36 | 0 |
| 2000 | 32 | 0 |
| 1999 | 52 | 0 |
| 1998 | 64 | 0 |
| 1997 | 29 | 0 |
| 1996 | 41 | 0 |
| 1995 | 9 | 1 |
| 1994 | 12 | 2 |
| 1993 | 2 | 0 |
| 1992 | 9 | 0 |
| 1991 | 10 | 1 |
| 1990 | 7 | 0 |
| 1989 | 10 | 2 |
| 1988 | 4 | 2 |
| 1987 | 5 | 0 |
| 1986 | 3 | 0 |
| 1985 | 3 | 0 |
| 1983 | 8 | 0 |
| 1982 | 5 | 1 |
| 1980 | 1 | 0 |
| 1979 | 3 | 0 |
| 1978 | 2 | 1 |
| 1977 | 5 | 0 |
| 1976 | 3 | 0 |
| 1975 | 4 | 0 |
| 1974 | 4 | 0 |
| 1973 | 1 | 0 |
| 1970 | 4 | 0 |
| 1968 | 2 | 0 |
| 1966 | 1 | 1 |
| 1965 | 1 | 0 |
| 1963 | 3 | 0 |
| 1962 | 1 | 0 |
| 1961 | 1 | 1 |
| 1960 | 1 | 1 |
| 1957 | 1 | 0 |
| 1956 | 2 | 1 |