Storm History: Montgomery County, Pennsylvania

Events

1,505

Deaths

28

Injuries

106

Damage

$232 million

Episodes

771

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

Open the live radar over Montgomery County

• Tornado, July 27, 19943 deaths · 25 injured · $51 million · F3 · 4 events here
• Flash Flood, September 16, 19993 deaths · 8 injured · $12 million · 50 kt wind · 1 event here
• Hail, June 3, 20203 deaths · 72 kt wind · 25 events here
• Flash Flood, September 1, 20212 deaths · $62 million · 4 events here
• Flash Flood, September 8, 19962 deaths · $20 million · 1 event here
• Winter Storm, January 22, 20162 deaths · 1 event here
• Blizzard, January 22, 20162 deaths · 1 event here
• Flash Flood, June 16, 20011 death · $34 million · 1 event here
• Tornado, September 1, 20211 death · 2 injured · $5.0 million · EF2 · 1 event here
• Flood, October 1, 20101 death · $750,000 · 1 event here
• Hail, June 10, 20081 death · $200,000 · 1.75 in hail · 1 event here
• Tropical Storm, August 27, 20111 death · $100,000 · 2 events here
• Tornado, August 4, 20201 death · $4,000 · EF2 · 14 events here
• Flood, September 2, 20061 death · 1 event here
• Winter Weather, January 18, 20151 death · 35 injured · 2 events here
• Cold/Wind Chill, February 5, 20151 death · 1 event here
• Extreme Cold/Wind Chill, February 15, 20151 death · 2 events here
• Winter Storm, March 2, 20181 death · 4 injured · 54 kt wind · 4 events here

• Flash Flood, September 1, 20212 deaths · $62 million · 4 events here
• Tornado, July 27, 19943 deaths · 25 injured · $51 million · F3 · 4 events here
• Flash Flood, June 16, 20011 death · $34 million · 1 event here
• Flash Flood, June 27, 2006$22 million · 2 events here
• Flash Flood, September 8, 19962 deaths · $20 million · 1 event here
• Flash Flood, September 16, 19993 deaths · 8 injured · $12 million · 50 kt wind · 1 event here
• Flash Flood, August 2, 2009$12 million · 3 events here
• Tornado, September 1, 20211 death · 2 injured · $5.0 million · EF2 · 1 event here
• Tornado, August 3, 1991$2.5 million · F1 · 3 events here
• Flash Flood, August 1, 2004$2.0 million · 1 event here
• Tornado, September 23, 2003$1.0 million · F1 · 1 event here
• Hail, March 29, 2009$1.0 million · 1.75 in hail · 3 events here
• Flood, April 30, 2014$1.0 million · 1 event here
• Flood, May 1, 2014$1.0 million · 1 event here
• Lightning, June 6, 2005$750,000 · 1 event here
• Flood, October 1, 20101 death · $750,000 · 1 event here
• Lightning, May 26, 2001$500,000 · 1 event here
• Lightning, August 14, 2005$500,000 · 1 event here
• Thunderstorm Wind, March 5, 2008$500,000 · 65 kt wind · 1 event here
• Tornado, November 16, 19894 injured · $275,000 · F1 · 4 events here

• Hail, August 10, 2008$10,000 · 2 in hail · 2 events here
• Hail, November 17, 19772 in hail · 2 events here
• Hail, June 6, 20231.75 in hail · 5 events here
• Hail, July 6, 20201.75 in hail · 22 events here
• Hail, August 19, 2011$20,000 · 1.75 in hail · 2 events here
• Hail, May 27, 20101.75 in hail · 2 events here
• Hail, June 24, 20101.75 in hail · 1 event here
• Hail, July 25, 2010$100,000 · 1.75 in hail · 2 events here
• Hail, March 29, 2009$1.0 million · 1.75 in hail · 3 events here
• Hail, June 15, 20091.75 in hail · 2 events here
• Hail, June 10, 20081 death · $200,000 · 1.75 in hail · 1 event here
• Hail, August 26, 20061.75 in hail · 2 events here
• Hail, July 21, 20031.75 in hail · 2 events here
• Hail, May 31, 20021.75 in hail · 1 event here
• Hail, June 19, 20021.75 in hail · 1 event here

• Tornado, July 27, 19943 deaths · 25 injured · $51 million · F3 · 4 events here
• Tornado, March 21, 1976F3 · 2 events here
• Tornado, August 4, 20201 death · $4,000 · EF2 · 14 events here
• Tornado, September 1, 20211 death · 2 injured · $5.0 million · EF2 · 1 event here
• Tornado, August 13, 1956$25,000 · F2 · 1 event here
• Tornado, June 24, 1960$250,000 · F2 · 1 event here
• Tornado, June 8, 19611 injured · $25,000 · F2 · 1 event here
• Tornado, May 24, 1962F2 · 1 event here
• Tornado, March 26, 1970F2 · 1 event here
• Tornado, August 28, 19781 injured · $25,000 · F2 · 1 event here
• Tornado, November 20, 1989F2 · 5 events here
• Tornado, May 29, 1995$100,000 · F2 · 6 events here
• Tornado, July 29, 2009EF2 · 2 events here
• Tornado, October 31, 20191 injured · EF2 · 5 events here

Every tornado in Montgomery County, with its track

• Dense Fog, June 28, 20261 event here
• Hail, June 22, 20261 in hail · 3 events here
• Flash Flood, June 22, 2026$5,000 · 1 event here
• Thunderstorm Wind, June 6, 202660 kt wind · 2 events here
• Flash Flood, May 20, 20261 in hail · 6 events here
• Dense Fog, May 9, 20262 events here
• Dense Fog, April 5, 20262 events here
• Dense Fog, March 20, 20261 event here
• Thunderstorm Wind, March 16, 202659 kt wind · 10 events here
• Dense Fog, March 12, 20261 event here
• Dense Fog, March 7, 20261 event here
• Winter Weather, March 3, 20262 events here
• Winter Storm, February 22, 20262 events here
• Dense Fog, February 17, 20262 events here
• Winter Storm, January 25, 20262 events here
• Winter Weather, January 18, 20262 events here
• Freezing Fog, January 17, 20261 event here
• Winter Weather, January 17, 20262 events here
• Dense Fog, January 6, 20262 events here
• Dense Fog, December 28, 20251 event here
• Winter Weather, December 26, 20252 events here
• Thunderstorm Wind, December 19, 2025$40,000 · 56 kt wind · 1 event here
• Winter Storm, December 13, 20252 events here
• Winter Weather, December 2, 20251 event here
• Dense Fog, October 6, 20251 event here
• Dense Fog, September 25, 20251 event here
• Dense Fog, September 24, 20252 events here
• Flash Flood, July 31, 2025$80,000 · 3 events here
• Excessive Heat, July 29, 20251 event here
• Thunderstorm Wind, July 25, 202556 kt wind · 1 event here
• Excessive Heat, July 25, 20252 events here
• Flash Flood, July 14, 20252 events here
• Flash Flood, July 9, 20252 events here
• Hail, July 8, 20251 in hail · 14 events here
• Tornado, July 1, 2025EF0 · 3 events here
• Flash Flood, July 1, 20251 event here
• Thunderstorm Wind, June 25, 202550 kt wind · 1 event here
• Excessive Heat, June 23, 20252 events here
• Thunderstorm Wind, June 19, 202562 kt wind · 8 events here
• Flash Flood, May 30, 20251 event here
• Flash Flood, May 16, 20252 events here
• Dense Fog, May 15, 20252 events here
• Hail, May 3, 20251 in hail · 2 events here
• Hail, April 15, 202560 kt wind · 2 events here
• High Wind, February 16, 202556 kt wind · 1 event here
• Winter Weather, February 15, 20251 event here
• Winter Weather, February 11, 20251 event here
• Winter Weather, February 8, 20252 events here
• Dense Fog, February 6, 20251 event here
• Winter Weather, February 6, 20253 events here
• Winter Storm, January 19, 20252 events here
• Winter Weather, January 6, 20251 event here
• Dense Fog, December 28, 20241 event here
• Winter Weather, December 20, 20242 events here
• Dense Fog, December 9, 20242 events here
• Dense Fog, October 5, 20241 event here
• Flash Flood, August 18, 20241 in hail · 6 events here
• Flash Flood, August 8, 202450 kt wind · 1 event here
• Excessive Heat, August 2, 20241 event here
• Hail, July 17, 20241 in hail · 2 events here
• Excessive Heat, July 16, 20241 event here
• Hail, July 16, 20241 in hail · 5 events here
• Hail, July 14, 20241 in hail · 2 events here
• Excessive Heat, July 9, 20242 events here
• Excessive Heat, July 5, 20242 events here
• Thunderstorm Wind, June 30, 202450 kt wind · 1 event here
• Hail, June 26, 202470 kt wind · 2 events here
• Excessive Heat, June 22, 20242 events here
• Thunderstorm Wind, June 14, 202450 kt wind · 1 event here
• Winter Storm, February 16, 20242 events here
• Winter Storm, February 13, 20242 events here
• Dense Fog, January 26, 20242 events here
• Dense Fog, January 24, 20242 events here
• Winter Storm, January 19, 20242 events here
• Winter Weather, January 15, 20242 events here
• Flood, January 9, 20241 event here
• Winter Storm, January 6, 20241 event here
• Flood, December 27, 20232 events here
• Flood, December 18, 20232 events here
• Dense Fog, December 9, 20231 event here
• Dense Fog, December 2, 20231 event here
• Dense Fog, December 2, 20231 event here
• Dense Fog, October 4, 20231 event here
• Dense Fog, October 3, 20232 events here
• Flash Flood, September 10, 20231 event here
• Hail, August 12, 20231 in hail · 13 events here
• Tornado, August 7, 2023EF1 · 5 events here
• Dense Fog, July 25, 20232 events here
• Hail, July 25, 20231 in hail · 3 events here
• Flash Flood, July 25, 20231 event here
• Thunderstorm Wind, July 21, 202350 kt wind · 1 event here
• Thunderstorm Wind, July 14, 202350 kt wind · 2 events here
• Flash Flood, July 9, 20238 events here
• Thunderstorm Wind, June 27, 202350 kt wind · 1 event here
• Flash Flood, June 27, 20231 event here
• Tornado, June 26, 2023EF0 · 1 event here
• Tornado, June 16, 2023$10,000 · EF1 · 3 events here
• Hail, June 6, 20231.75 in hail · 5 events here
• Tornado, April 1, 2023$1,000 · EF1 · 5 events here
• Dense Fog, March 2, 20231 event here
• Dense Fog, February 17, 20231 event here
• Dense Fog, December 31, 20222 events here
• Extreme Cold/Wind Chill, December 23, 20222 events here
• Winter Weather, December 23, 20222 events here
• Winter Weather, December 22, 20221 event here
• Winter Storm, December 15, 20222 events here
• Dense Fog, November 4, 20221 event here
• Dense Fog, October 31, 20221 event here
• Flash Flood, October 13, 20221 event here
• Flash Flood, September 6, 20221 event here
• Excessive Heat, August 9, 20222 events here
• Hail, August 4, 202250 kt wind · 5 events here
• Hail, May 22, 202250 kt wind · 2 events here
• Hail, May 20, 20221.5 in hail · 1 event here
• Hail, May 16, 20221 in hail · 1 event here
• Tornado, March 31, 2022EF1 · 1 event here
• Winter Storm, March 12, 20222 events here
• Thunderstorm Wind, March 7, 202260 kt wind · 1 event here
• Ice Storm, February 24, 20222 events here
• Winter Weather, February 13, 20222 events here
• Winter Weather, February 7, 20222 events here
• Winter Weather, February 4, 20221 event here
• Winter Storm, January 28, 20222 events here
• Winter Storm, January 16, 20222 events here
• Winter Weather, January 9, 20221 event here
• Winter Weather, January 6, 20222 events here
• Winter Weather, January 5, 20221 event here
• Thunderstorm Wind, October 25, 202150 kt wind · 2 events here
• Flash Flood, September 23, 20213 events here
• Thunderstorm Wind, September 23, 202155 kt wind · 5 events here
• Flash Flood, September 1, 20212 deaths · $62 million · 4 events here
• Tornado, September 1, 20211 death · 2 injured · $5.0 million · EF2 · 1 event here
• Flash Flood, August 28, 20211 event here
• Tornado, August 18, 2021EF1 · 5 events here
• Flash Flood, August 18, 202111 events here
• Thunderstorm Wind, August 11, 202155 kt wind · 1 event here
• Excessive Heat, August 11, 20212 events here
• Hail, July 21, 20211.25 in hail · 15 events here
• Thunderstorm Wind, July 17, 202160 kt wind · 1 event here
• Hail, July 8, 20211 in hail · 6 events here
• Hail, July 6, 20211 in hail · 7 events here
• Thunderstorm Wind, July 1, 202160 kt wind · 4 events here
• Thunderstorm Wind, June 30, 202150 kt wind · 2 events here
• Excessive Heat, June 29, 20212 events here
• Hail, June 14, 20211 in hail · 4 events here
• Thunderstorm Wind, June 8, 202150 kt wind · 1 event here
• Hail, June 4, 20211.25 in hail · 9 events here
• Hail, May 26, 202160 kt wind · 10 events here
• High Wind, April 30, 202153 kt wind · 2 events here
• Hail, April 21, 20211 in hail · 3 events here
• Thunderstorm Wind, March 28, 202150 kt wind · 5 events here
• Winter Weather, February 22, 20212 events here
• Winter Storm, February 18, 20212 events here
• Ice Storm, February 15, 20212 events here
• Winter Weather, February 13, 20212 events here
• Winter Weather, February 10, 20211 event here
• Winter Storm, February 7, 20212 events here
• Winter Storm, February 1, 20212 events here
• Winter Weather, January 31, 20212 events here
• Winter Weather, January 26, 20212 events here
• Winter Storm, December 16, 20202 events here
• Tornado, November 30, 2020EF0 · 8 events here
• Thunderstorm Wind, November 15, 202070 kt wind · 8 events here
• Hail, August 28, 202060 kt wind · 12 events here
• Thunderstorm Wind, August 12, 202050 kt wind · 1 event here
• Tornado, August 4, 20201 death · $4,000 · EF2 · 14 events here
• Thunderstorm Wind, July 30, 202055 kt wind · 5 events here
• Hail, July 22, 20201.5 in hail · 5 events here
• Flash Flood, July 10, 20201 event here
• Thunderstorm Wind, July 7, 202050 kt wind · 1 event here
• Hail, July 6, 20201.75 in hail · 22 events here
• Flash Flood, July 6, 20206 events here
• Hail, June 3, 20203 deaths · 72 kt wind · 25 events here
• Thunderstorm Wind, April 9, 202060 kt wind · 2 events here
• Thunderstorm Wind, March 3, 202055 kt wind · 2 events here
• Thunderstorm Wind, February 7, 202065 kt wind · 6 events here
• Winter Weather, January 18, 20202 events here
• Winter Storm, December 16, 20192 events here
• Winter Storm, December 1, 20191 event here
• Flash Flood, November 1, 20191 event here
• Tornado, October 31, 20191 injured · EF2 · 5 events here
• Hail, August 21, 20191 in hail · 1 event here
• Flash Flood, August 14, 20192 events here
• Hail, August 7, 201970 kt wind · 9 events here
• Flash Flood, August 7, 20194 events here
• Thunderstorm Wind, August 6, 201955 kt wind · 2 events here
• Hail, July 31, 201955 kt wind · 4 events here
• Flash Flood, July 22, 20191 event here
• Thunderstorm Wind, July 22, 201970 kt wind · 1 event here
• Thunderstorm Wind, July 21, 201961 kt wind · 1 event here
• Flash Flood, July 11, 20196 events here
• Hail, June 29, 20191 in hail · 12 events here
• Hail, June 28, 20191 in hail · 7 events here
• Flash Flood, June 20, 20192 events here
• Thunderstorm Wind, June 20, 201950 kt wind · 1 event here
• Flash Flood, June 19, 20193 events here
• Hail, June 2, 20191 in hail · 1 event here
• Flash Flood, May 30, 20191 event here
• Flash Flood, May 29, 20191 event here
• Tornado, May 29, 2019EF0 · 12 events here
• Thunderstorm Wind, May 23, 201950 kt wind · 1 event here
• Thunderstorm Wind, April 26, 201961 kt wind · 8 events here
• Hail, March 15, 20191 in hail · 5 events here
• Winter Storm, March 3, 20192 events here
• Winter Weather, March 1, 20192 events here
• High Wind, February 24, 201951 kt wind · 2 events here
• Winter Storm, February 20, 20192 events here
• Winter Storm, February 11, 20192 events here
• Winter Weather, February 10, 20191 event here
• Winter Storm, January 29, 20192 events here
• Winter Weather, January 8, 20192 events here
• Winter Storm, November 15, 20182 events here
• Hail, November 2, 20181 in hail · 11 events here
• Flash Flood, November 2, 20184 events here
• Tornado, October 2, 2018EF1 · 1 event here
• Flash Flood, September 25, 20183 events here
• Flash Flood, September 7, 20181 event here
• Flash Flood, August 21, 20185 events here
• Flash Flood, August 13, 201852 kt wind · 4 events here
• Flash Flood, August 11, 201850 kt wind · 3 events here
• Flash Flood, July 17, 20181 event here
• Excessive Heat, July 1, 20182 events here
• Thunderstorm Wind, June 24, 201850 kt wind · 7 events here
• Thunderstorm Wind, June 18, 201850 kt wind · 1 event here
• Flash Flood, June 10, 20183 events here
• Thunderstorm Wind, May 15, 201850 kt wind · 1 event here
• Flash Flood, April 16, 20181 event here
• High Wind, April 4, 201852 kt wind · 1 event here
• Winter Storm, April 2, 20182 events here
• Winter Storm, March 21, 20182 events here
• Winter Storm, March 6, 20182 events here
• Winter Storm, March 2, 20181 death · 4 injured · 54 kt wind · 4 events here
• Winter Storm, February 17, 20182 events here
• Flood, February 11, 20182 events here
• Winter Storm, January 4, 20181 event here
• Winter Storm, December 9, 20172 events here
• Flash Flood, September 5, 20171 in hail · 2 events here
• Flood, August 19, 201752 kt wind · 2 events here
• Flood, August 1, 2017$20 · 1 in hail · 5 events here
• Flash Flood, July 22, 201752 kt wind · 6 events here
• Flood, July 13, 201752 kt wind · 1 event here
• Flash Flood, July 1, 201756 kt wind · 2 events here
• Flash Flood, June 24, 20171 event here
• Flood, June 23, 201752 kt wind · 1 event here
• Thunderstorm Wind, June 21, 201763 kt wind · 8 events here
• Tornado, June 19, 2017EF0 · 1 event here
• Flood, April 6, 201761 kt wind · 2 events here
• Flood, March 31, 20172 events here
• Lightning, March 28, 2017$500 · 1 event here
• Blizzard, March 14, 20172 events here

Earlier years, state by state:

• 2017
• 2016
• 2015
• 2014
• 2013
• 2012
• 2011
• 2010
• 2009
• 2008
• 2007
• 2006
• 2005
• 2004
• 2003
• 2002
• 2001
• 2000
• 1999
• 1998
• 1997
• 1996
• 1995
• 1994
• 1993
• 1992
• 1991
• 1990
• 1989
• 1988
• 1987
• 1986
• 1985
• 1983
• 1982
• 1980
• 1979
• 1978
• 1977
• 1976
• 1975
• 1974
• 1973
• 1970
• 1968
• 1966
• 1965
• 1963
• 1962
• 1961
• 1960
• 1957
• 1956

Tornadoes in Montgomery CountyEvery warning in Montgomery County since 1986Every county in Pennsylvania

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.