TornadoLookup
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Montgomery storm history

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

1,871
Total events
28
Tornadoes
189
Hail
444
Floods
19
Deaths
$80.9M
Property damage

Most significant events

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

September 1, 2021 · Montgomery, Maryland
Flash Flood Flash Flood1 death, 4 injuries, $1.0M damage
Floodwaters rushed into the Rock Creek Woods Apartments shortly before 3 AM EST according to Montgomery County Police and Fire Officials. The water rose almost to the ceilings in some cases. A 19 year old male was deceased due to the floodwaters. Three people were hospitalized du…
October 31, 2019 · Montgomery, Maryland
Thunderstorm Wind Thunderstorm Wind1 death, $1.5M damage
A tree fell onto a car near the intersection of Delford Avenue and Two Farm Drive. The occupant was later pronounced dead.
June 27, 2015 · Montgomery, Maryland
Flash Flood Flash Flood2 deaths
Two people were electrocuted in a stairwell going down into a basement that was flooded. Reports stated a portable sump pump was in the standing water in the basement.
June 23, 2015 · Montgomery, Maryland
Thunderstorm Wind Thunderstorm Wind1 death
Numerous trees were reported down around town. Poolesville was without power for an extended period of time.
July 25, 2010 · Montgomery, Maryland
Lightning Lightning1 death
A fatality occurred due to a lightning strike at the Watkins Pond Community Garden in Rockville.
June 24, 2010 · Montgomery, Maryland
Heat Heat1 death
A local newspaper reported a fatality due to hyperthermia.
June 26, 2009 · Montgomery, Maryland
Thunderstorm Wind Thunderstorm Wind2 deaths, 6 injuries
Trees were down at Connecticut Avenue and East-West Highway. There were two indirect fatalities and six injuries due to a tree falling on a van.
February 4, 2007 · Montgomery, Maryland
Extreme Cold/Wind Chill Extreme Cold/Wind Chill1 death
Annie Mae Anderson, 81, of Silver Spring, MD., was found dead during the morning of February 5th in a wooded area behind her home. Anderson, who suffered from dementia, apparently wandered away from her home without her coast. Cause of death was exposure to the cold weather.
October 8, 2005 · Montgomery, Maryland
Heavy Rain Heavy Rain1 death, 1 injury
Reports indicate that a man was killed when a very large tree limb, measuring 4 feet in diameter and 30 feet in length, fell onto the truck he was driving. Very heavy localized rainfall from earlier in the day likely caused the tree limb to fall. A passenger in the vehicle was se…
December 4, 2003 · Montgomery, Maryland
Winter Storm Winter Storm1 death
February 14, 2003 · Montgomery, Maryland
Winter Storm Winter Storm1 death
July 22, 2002 · Montgomery, Maryland
Heat Heat1 death
July 2, 2002 · Montgomery, Maryland
Heat Heat2 deaths
June 25, 2002 · Montgomery, Maryland
Heat Heat1 death
July 13, 1997 · Montgomery, Maryland
Heat Heat2 deaths, 25 injuries
February 5, 2010 · Montgomery, Maryland
Winter Storm Winter Storm8 injuries
Snowfall amounts between 22 and 25 inches were received across the county. Eight people in Montgomery County were taken to the hospital for symptoms of carbon monoxide poisoning. This was due to the use of a charcoal stove and gas generator inside their homes. Power outages were …
July 4, 1999 · Montgomery, Maryland
Heat Heat6 injuries
June 5, 2024 · Montgomery, Maryland
Tornado EF1 Tornado5 injuries, $5.0M damage
The tornado began just east of the Seneca Creek State Park. Staff at the Washington Suburban Sanitary Commissions (WSSC) Seneca Water Resource Recovery Facility witnessed the tornado moving west-to-east directly adjacent to the south of their facility where power lines leading to…
July 29, 2023 · Montgomery, Maryland
Thunderstorm Wind Thunderstorm Wind$10.0M damage
Hundreds of trees, branches and wires blew down between Rockville and North Bethesda. Trees blew down onto cars and porches in the Bethesda Park Condo Complex, displacing residents. The roof blew off of The Original Pancake House in the 12200 block of MD-355 Rockville Pike; the r…
July 29, 2023 · Montgomery, Maryland
Thunderstorm Wind Thunderstorm Wind$2.0M damage
Dozens of trees, branches and wires blew down near Glen Echo and Cabin John. Numerous trees blew down onto power lines. Cabin John Parkway, Clara Barton Parkway, and Macarthur Boulevard remained closed for several days due to downed trees. A tree blew down onto a house in the 600…
August 10, 2021 · Montgomery, Maryland
Lightning Lightning$2.5M damage
Lightning struck a 3-story apartment building in the 13100 block of Millhaven Place. The lightning strike started a severe fire that started in the attic and caused the building to collapse, displacing a dozen families and causing an estimated 2.5 million dollars in damage.
October 29, 2012 · Montgomery, Maryland
High Wind High Wind$3.7M damage
Wind gusts of 58-70 mph were measured by spotters and a mesonet. There were scattered trees and power lines down throughout the county.
July 2, 2006 · Montgomery, Maryland
Thunderstorm Wind Thunderstorm Wind$5.0M damage
Extensive tree and powerline damage occurred from Silver Spring to Wheaton, Aspen Hill, and White Oak. Several homes were struck by trees which caused extensive property damage in the neighborhoods. PEPCO reported more than 18,000 customers without power in Montgomery County.
June 25, 2006 · Montgomery, Maryland
Flash Flood Flash Flood$1.6M damage
Numerous county roads closed in the southeastern part of the county near the Washington DC line. There were 147 reports of flooded basements. Twenty five swift water rescues occurred. In Chevy Chase, firefighters used boats to rescue 30 people trapped inside a recreational center…
May 25, 2004 · Montgomery, Maryland
Lightning Lightning$1.2M damage
Lightning caused severe damage to a home in Montgomery County.
November 5, 2003 · Montgomery, Maryland
Tornado F1 Tornado$1.2M damage
A tornado touched down 2 miles west of downtown Poolesville. The tornado destroyed a horse barn on Whites Ferry Road on the western edge of Poolesville. The storm then tracked east and produced more concentrated damage from the Rickman Horse Farm Complex to Boyds. It then crossed…
September 18, 2003 · Montgomery, Maryland
High Wind High Wind$1.5M damage
June 20, 2001 · Montgomery, Maryland
Lightning Lightning$2.0M damage
Eighty people were displaced after a lightning fire severely damaged an apartment complex. The event time was estimated.
January 14, 1999 · Montgomery, Maryland
Ice Storm Ice Storm$2.9M damage
January 19, 1996 · Montgomery, Maryland
Flood Flood$20.0M damage
October 18, 1990 · Montgomery, Maryland
Tornado F1 Tornado1 injury, $2.5M damage
July 31, 2025 · Montgomery, Maryland
Flash Flood Flash Flood
Numerous road closures along River Road in Potomac due to 12 to 18 inches of flowing water over the roadway.
July 31, 2025 · Montgomery, Maryland
Flash Flood Flash Flood
Bradley Ave closed due to around a foot of water flowing over the road where it crosses over Cabin John Creek.
July 31, 2025 · Montgomery, Maryland
Flash Flood Flash Flood
Numerous water rescues ongoing along River Rd. near the Capitol Beltway along Cabin John Creek. Water is at least six inches to a foot deep and flowing.
July 31, 2025 · Montgomery, Maryland
Flash Flood Flash Flood
Montgomery EM reported rapid rise on Rock Creek has resulted in Beach Drive having at least 6-12 inches of moving water on the roadway, at intersection of East Stanhope Road.
July 19, 2025 · Montgomery, Maryland
Flash Flood Flash Flood
Water rescue reported at intersection of Cedar Avenue and Old Philadelphia Avenue. Water reported to be flowing at least one foot deep.
July 19, 2025 · Montgomery, Maryland
Flash Flood Flash Flood
Flood sensor at Sligo Creek Parkway and New Hampshire Avenue (MD 650) had a 10 feet rise in 30 minutes.
July 19, 2025 · Montgomery, Maryland
Flash Flood Flash Flood
Five feet of standing water at the intersection of East-West Hwy and Washington Ave. One car and a fire truck stranded in the water.
July 19, 2025 · Montgomery, Maryland
Flash Flood Flash Flood
Vehicle stranded in deep moving water at the intersection of Wayne Avenue and Sligo Creek Pkwy.
July 19, 2025 · Montgomery, Maryland
Flash Flood Flash Flood
At least six inches of rapidly flowing water was along Georgia Avenue and Columbia Boulevard.
July 19, 2025 · Montgomery, Maryland
Flash Flood Flash Flood
The stream gage on Sligo Creek at Takoma Park rose to flood stage, which is at 5.5 feet, rapidly in less than an hour. The gage then crested at 7.52 feet shortly thereafter. This was a little over a 6 foot rise in just over an hour.
July 19, 2025 · Montgomery, Maryland
Flash Flood Flash Flood
Water rescue for vehicle stranded in high water at Randolph Road and Glenallan Avenue.
July 19, 2025 · Montgomery, Maryland
Flash Flood Flash Flood
Three occupied vehicles stranded in high water at Briggs Road and Layhill Road. Water rescue ongoing.
July 19, 2025 · Montgomery, Maryland
Flash Flood Flash Flood
Occupied vehicle stuck in high water at Southwood Avenue and Colesville Road. Water rescue ongoing.
July 19, 2025 · Montgomery, Maryland
Flash Flood Flash Flood
A water rescue occurred along Bradley Boulevard and Kentsdale Drive due to rapidly flowing water estimated around 3 feet deep.
July 19, 2025 · Montgomery, Maryland
Flash Flood Flash Flood
A water rescue occurred along Sligo Creek Parkway with water rapidly flowing around 2 to 3 feet deep.
July 19, 2025 · Montgomery, Maryland
Flash Flood Flash Flood
Around 1 to 2 feet of flowing water over Bradley Boulevard where it crosses Cabin John Creek.
July 19, 2025 · Montgomery, Maryland
Flash Flood Flash Flood
Water around 1 foot deep was flowing across Sligo Creek Parkway around US-29.
July 19, 2025 · Montgomery, Maryland
Flash Flood Flash Flood
A vehicle was stranded in water about 2 to 3 feet deep along East-West Highway around Silver Spring.
July 19, 2025 · Montgomery, Maryland
Flash Flood Flash Flood
Approximately 20 people were rescued by Montgomery County Fire & Rescue and Park Police after being stranded at Meadowbrook Park after Rock Creek rose rapidly.

Events by year

YearEventsTornadoes
2025750
2024362
2023551
2022701
20211020
2020972
20191240
2018680
20171051
2016780
2015440
2014840
2013541
2012633
2011551
2010840
2009310
2008631
2007440
2006380
2005310
2004321
2003652
2002460
2001431
2000591
1999300
1998240
1997130
1996372
199541
199470
199361
199290
1991161
199081
198940
198880
198710
198510
198410
198360
198250
198110
198040
197830
197720
197620
197520
197441
197320
197130
197040
196940
196820
196711
196620
196550
196310
195921
195211