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NHC HURDAT2 · SPC Tornado Database

Hurricanes and Tornadoes That Hit Chevy Chase, MD

Every tropical system within 75 miles since 1851 and every tornado within 25 miles since 1950.

Data: NOAA NHC HURDAT2 and NOAA SPC tornado and hail reports, through 2025 · Updated

31 tropical systems have passed within 75 miles of Chevy Chase, Maryland since 1851, 3 of them at hurricane strength; the most recent was Zeta in 2020. Since 1950, 114 tornadoes have touched down within 25 miles, 3 of them rated EF3 or stronger.

Hurricanes
3

within 75 mi, since 1851

Tropical storms
28

below hurricane strength

Tornadoes
114

within 25 mi, since 1950

EF3 or stronger
3

3 deaths in all

What the records show for Chevy Chase

The strongest storm to pass near Chevy Chase was an unnamed storm in 1878, a Category 1 hurricane with 92 mph winds when its centre passed 6 miles away. The record near Chevy Chase begins with an unnamed storm in 1872; the most recent system was Zeta in 2020, a tropical storm 58 miles away. Of the 31 systems, 5 have come since 2000. Chevy Chase has more hurricanes within 75 miles than 14% of the 239 Maryland cities on this site. The highest rating among the 114 tornadoes within 25 miles is F3, reached 3 times; the most recent, on September 24, 2001, came within 6 miles. Of the 114, 3 had paths within 5 miles of the city centre, and 64 have come since 2000. June has had the most tornadoes, 21. The most recent tornado was on June 18, 2025. Chevy Chase has more tornadoes within 25 miles than 84% of the 239 Maryland cities. Hail has been reported within 10 miles 197 times since 1965, with stones up to 2.75 inches (baseball size). Chevy Chase has more hail reports within 10 miles than any other of the 239 Maryland cities.

Compare Chevy Chase's storm record with another city →

Tropical storms and hurricanes near Chevy Chase

Tropical systems that passed within 75 miles of Chevy Chase, Maryland, newest first
YearStormClosestStrength when closestPeak
2020ZetaOct 2958 miTropical storm (52 mph)Category 3
2020IsaiasAug 448 miTropical storm (67 mph)Category 1
2012SandyOct 3070 miTropical storm (61 mph)Category 3
2008HannaSep 666 miTropical storm (52 mph)Category 1
2006ErnestoSep 220 miTropical storm (46 mph)Category 1
1996BerthaJul 1370 miTropical storm (69 mph)Category 3
1992DanielleSep 2670 miTropical storm (43 mph)Tropical storm
1979DavidSep 670 miTropical storm (46 mph)Category 5
1963Unnamed 1963 stormJun 372 miTropical storm (46 mph)Tropical storm
1955DianeAug 1826 miTropical storm (43 mph)Category 2
1955ConnieAug 1327 miTropical storm (58 mph)Category 4
1954HazelOct 1523 miCategory 1 (84 mph)Category 4
1952AbleSep 124 miTropical storm (56 mph)Category 2
1949Unnamed 1949 stormAug 2939 miTropical storm (58 mph)Category 4
1945Unnamed 1945 stormSep 1832 miTropical storm (39 mph)Category 4
1944Unnamed 1944 stormAug 255 miTropical storm (40 mph)Category 1
1943Unnamed 1943 stormOct 120 miTropical storm (46 mph)Tropical storm
1934Unnamed 1934 stormJun 1917 miTropical storm (46 mph)Category 2
1933Unnamed 1933 stormAug 245 miTropical storm (61 mph)Category 4
1929Unnamed 1929 stormOct 219 miTropical storm (58 mph)Category 4
1928Unnamed 1928 stormSep 2037 miTropical storm (52 mph)Category 5
1915Unnamed 1915 stormAug 49 miTropical storm (47 mph)Category 1
1899Unnamed 1899 stormNov 127 miTropical storm (58 mph)Category 2
1893Unnamed 1893 stormOct 2316 miTropical storm (44 mph)Tropical storm
1893Unnamed 1893 stormOct 1453 miCategory 1 (75 mph)Category 3
1893Unnamed 1893 stormAug 2916 miTropical storm (63 mph)Category 3
1888Unnamed 1888 stormSep 1170 miTropical storm (40 mph)Tropical storm
1885Unnamed 1885 stormOct 1348 miTropical storm (46 mph)Tropical storm
1878Unnamed 1878 stormOct 236 miCategory 1 (92 mph)Category 2
1876Unnamed 1876 stormSep 1824 miTropical storm (66 mph)Category 3
1872Unnamed 1872 stormOct 2673 miTropical storm (46 mph)Category 1

Strength is the sustained wind on the track at the closest point, which is not the wind felt in Chevy Chase: a hurricane's worst winds sit within a few dozen miles of its centre, and inland cities are usually past that.

Tornadoes within 25 miles of Chevy Chase

By decade

  • 2020s14
  • 2010s32
  • 2000s18(1 EF3+)
  • 1990s28
  • 1980s4
  • 1970s10(2 EF3+)
  • 1960s4
  • 1950s4
Strongest tornadoes near Chevy Chase, Maryland
DateRatingDistancePathKilled / injured
Sep 24, 2001F36 mi17.5 mi2 / 55
Sep 5, 1979F38 mi17.9 mi1 / 6
Apr 1, 1973F39 mi9.8 mi0 / 37
Sep 17, 2004F218 mi15 mi0 / 1
Jun 24, 1996F213 mi20 mi0 / 1
Oct 5, 1995F213 mi2.5 mi0 / 3
Oct 13, 1983F29 mi1 mi0 / 0
Jul 28, 1981F220 mi0.1 mi0 / 0
Sep 5, 1979F225 mi0.5 mi0 / 0
Jul 31, 1978F222 mi0.8 mi0 / 0
Jun 20, 1978F221 mi1 mi0 / 0
Sep 12, 1971F213 mi3 mi0 / 0

The strongest 12 of 114, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.

Hail in Chevy Chase

The Storm Prediction Center has 197 hail reports within 10 miles of Chevy Chase since 1965, made on 85 separate days. Of these, 130 were 1 inch across or larger, and 6 reached 2 inches. The largest size, 2.75 inches (baseball size), was reported on 2 days, most recently May 2, 2016. The most recent report is from May 16, 2025. June has the most reports, 47.

Source: NOAA Storm Prediction Center severe weather reports, data through 2025.

Radar-estimated hail days in Chevy Chase since 2019 →

Weather by month in Chevy Chase

The nearest NOAA station with 1991–2020 climate normals is Dalecarlia Rsvr, MD, 3 miles southwest of Chevy Chase at 150 feet. July is the warmest, with an average high of 88°F and low of 68°F; January is the coolest, at 43°F and 26°F. July is the wettest at 5.1 inches of precipitation on average and February the driest at 3.2 inches; the year adds up to 48.3 inches over 81 days with at least a tenth of an inch. June to November, the hurricane season months, bring 54% of the year's precipitation (25.9 of 48.3 inches); the other six months are drier. October has brought the most of the 31 tropical systems that passed within 75 miles (10); a normal October there has highs of 68°F and 4.4 inches of precipitation. Highs reach 90°F on about 44 days a year, almost all from May to September. Lows fall below freezing on about 95 nights a year. Snowfall averages 5.8 inches a year, most of it in January. That 48.3 inches is more than at 37 of the 41 Maryland stations used on this site (90%). Kensington, 3 miles north, has its own station (Rockville 1 NE, MD): 41.5 inches a year, 6.8 less than here, and a July average high of 87°F against 88°F.

Water temperature at the NOAA tide station Washington, DC, 8 miles southeast, averaged 84°F in July and 39°F in January over 2021–2025. It averaged 80°F or warmer from July to August. Sea level at the Washington tide gauge, 8 miles from Chevy Chase, has risen 1.40 ± 0.05 inches per decade from 1924 to 2025, NOAA's linear trend; at that pace it is 14.0 inches in a hundred years. That is faster than at 84 of the 144 U.S. gauges with a NOAA trend.

Monthly climate normals 1991–2020 at Dalecarlia Rsvr, MD
MonthHigh °FLow °FPrecip. inDays ≥ 0.1"Snow inWater °F
Jan43263.362.939
Feb46273.261.441
Mar55344.280.750
Apr68443.570.060
May76544.480.069
Jun84634.270.077
Jul88685.170.084
Aug86664.470.082
Sep79594.570.076
Oct68474.460.066
Nov56363.360.054
Dec47303.870.842
Year664648.3815.862

Averages for 1991–2020 at Dalecarlia Rsvr, MD (150 ft), from NOAA NCEI U.S. Climate Normals; water temperature: average of hourly readings 2021–2025 at the NOAA tide station Washington, DC, from NOAA Tides & Currents. Normals describe the station; the farther a place is from it, and the bigger the difference in height, the more its weather can differ.

Maryland weather by month, station by station →

Floods, thunderstorm wind and lightning near Chevy Chase

Since 1996, the National Weather Service has logged 1,617 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Chevy Chase: 1,071 thunderstorm wind reports, 313 flash floods, 220 floods and 13 lightning strikes. They killed 13 people and injured 57, and the NWS estimated $72.7 million in property and crop damage. The strongest thunderstorm gust on record here was 96 mph, on June 22, 2012. July has had the most flash floods, 125 of 313. Of the 239 Maryland cities on this site with a flash flood on record, 238 have had fewer than Chevy Chase.

  • August 4, 2022: lightning strike 6 miles from the centre of Chevy Chase — 3 killed.

  • June 26, 2009: thunderstorm wind in Chevy Chase — 2 killed, 6 injured.

    NWS: “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.”

  • June 27, 2015: flash flood 1 mile from the centre of Chevy Chase — 2 killed, $10,000 damage.

    NWS: “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.”

Source: NOAA NCEI Storm Events Database, events whose starting point is on record, 1996 to June 30, 2026. Damage is the NWS estimate in the dollars of the year, not insured losses, and NWS notes that some reports are unverified.

Flood insurance claims, disaster declarations and FEMA risk ratings

Flood insurance policyholders in Chevy Chase's ZIP code 20815 have filed 35 claims with the National Flood Insurance Program since 1978, and were paid $111,000 for buildings and contents, in the dollars of each year. 17% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 150 Maryland cities on this site with 10 or more claims, 67 have fewer than Chevy Chase.

Montgomery County, which includes Chevy Chase, has been named in 21 federal disaster or emergency declarations since 1971, 14 of them major disasters (by incident: 5 hurricanes, 5 severe storms, 5 snowstorms, 3 floods). The latest major disaster declaration was Covid-19 Pandemic, on March 26, 2020. FEMA's National Risk Index gives Montgomery County a Relatively Moderate rating for natural hazard risk overall; by hazard: Relatively High for hail, inland flooding, strong wind, lightning and heat waves; Relatively Moderate for hurricanes and tornadoes; Very Low for coastal flooding. It models the county's expected loss from all 18 hazards it covers at $126.4 million a year, the 3rd highest of 24 Maryland counties; of the hazards above, the largest share, $71.0 million (56%), is from inland flooding.

Claims: FEMA, OpenFEMA Dataset FIMA NFIP Redacted Claims – v3, summed over ZIP codes; payments in the dollars of each year, not adjusted for inflation. Declarations: Disaster Declarations Summaries – v2, by county. Retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).

Risk ratings: FEMA, National Risk Index county table, December 2025 (v1.20), retrieved October 26, 2026; ratings compare counties nationwide, are meant for planning and are no substitute for a local risk assessment. This product uses the Federal Emergency Management Agency's National Risk Index dataset API or downloadable datasets but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).

What counts as a pass, the distances and the sources: how this storm history is built.

Cities near Chevy Chase