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NHC HURDAT2 · SPC Tornado Database

Hurricanes and Tornadoes That Hit Mamou, LA

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

43 tropical systems have passed within 75 miles of Mamou, Louisiana since 1851, 12 of them at hurricane strength; the most recent was Delta in 2020. Since 1950, 155 tornadoes have touched down within 25 miles, 7 of them rated EF3 or stronger.

Hurricanes
12

within 75 mi, since 1851

Tropical storms
31

below hurricane strength

Tornadoes
155

within 25 mi, since 1950

EF3 or stronger
7

12 deaths in all

What the records show for Mamou

The strongest storm to pass near Mamou was Laura in 2020, a Category 3 hurricane with 119 mph winds when its centre passed 52 miles away. The closest pass by a hurricane was Delta in 2020, whose centre came within 10 miles. The record near Mamou begins with an unnamed storm in 1856; the most recent system was Delta in 2020. The busiest decade was the 1930s, with 5 systems, one of them at hurricane strength. Of the 43 systems, 9 have come since 2000. Of the 245 Louisiana cities on this site, 50% have more hurricanes within 75 miles than Mamou. The highest rating among the 155 tornadoes within 25 miles is F3 or EF3, reached 7 times; the most recent, on May 17, 2020, came within 15 miles. The deadliest, an F3 on November 7, 1957, killed 4 people. Of the 155, 11 had paths within 5 miles of the city centre, and 80 have come since 2000. April and May have had the most tornadoes, 22 each. The most recent tornado was on March 31, 2025. Mamou has more tornadoes within 25 miles than 86% of the 245 Louisiana cities. Hail has been reported within 10 miles 31 times since 1963, with stones up to 1.75 inches (golf ball size). Of the 245 Louisiana cities, 62% have more hail reports within 10 miles than Mamou.

Compare Mamou's storm record with another city →

Tropical storms and hurricanes near Mamou

Tropical systems that passed within 75 miles of Mamou, Louisiana, newest first
YearStormClosestStrength when closestPeak
2020DeltaOct 1010 miCategory 1 (74 mph)Category 4
2020LauraAug 2752 miCategory 3 (119 mph)Category 4
2019BarryJul 1427 miTropical storm (56 mph)Category 1
2017HarveyAug 3040 miTropical storm (40 mph)Category 4
2012IsaacAug 3049 miTropical storm (58 mph)Category 1
2011LeeSep 444 miTropical storm (40 mph)Tropical storm
2008GustavSep 29 miTropical storm (68 mph)Category 4
2007HumbertoSep 1338 miTropical storm (40 mph)Category 1
2002LiliOct 33 miTropical storm (67 mph)Category 4
1992AndrewAug 2647 miTropical storm (72 mph)Category 5
1985JuanOct 2935 miTropical storm (69 mph)Category 1
1985DannyAug 155 miTropical storm (66 mph)Category 1
1982ChrisSep 1159 miTropical storm (46 mph)Tropical storm
1977BabeSep 572 miTropical storm (43 mph)Category 1
1974CarmenSep 822 miCategory 1 (81 mph)Category 4
1973Unnamed 1973 stormSep 138 miTropical storm (40 mph)Tropical storm
1971EdithSep 1639 miCategory 1 (81 mph)Category 4
1965BetsySep 1043 miCategory 1 (74 mph)Category 4
1964HildaOct 473 miCategory 1 (81 mph)Category 4
1959ArleneMay 3163 miTropical storm (47 mph)Tropical storm
1957AudreyJun 2758 miCategory 1 (85 mph)Category 3
1955Unnamed 1955 stormAug 2713 miTropical storm (41 mph)Tropical storm
1954BarbaraJul 2961 miTropical storm (56 mph)Tropical storm
1947Unnamed 1947 stormSep 2017 miTropical storm (68 mph)Category 4
1940Unnamed 1940 stormSep 2441 miTropical storm (40 mph)Tropical storm
1938Unnamed 1938 stormAug 1565 miTropical storm (55 mph)Category 2
1937Unnamed 1937 stormOct 363 miTropical storm (40 mph)Tropical storm
1934Unnamed 1934 stormJun 1659 miCategory 1 (82 mph)Category 2
1932Unnamed 1932 stormSep 1947 miTropical storm (53 mph)Tropical storm
1931Unnamed 1931 stormJul 1649 miTropical storm (39 mph)Tropical storm
1926Unnamed 1926 stormAug 269 miTropical storm (45 mph)Category 3
1920Unnamed 1920 stormSep 2240 miTropical storm (63 mph)Category 2
1918Unnamed 1918 stormAug 668 miCategory 2 (106 mph)Category 3
1909Unnamed 1909 stormSep 2152 miCategory 2 (96 mph)Category 3
1908Unnamed 1908 stormAug 134 miTropical storm (40 mph)Tropical storm
1905Unnamed 1905 stormSep 2931 miTropical storm (41 mph)Tropical storm
1898Unnamed 1898 stormSep 202 miTropical storm (45 mph)Tropical storm
1886Unnamed 1886 stormOct 1373 miCategory 1 (82 mph)Category 3
1886Unnamed 1886 stormJun 1510 miTropical storm (62 mph)Category 2
1875Unnamed 1875 stormSep 1815 miTropical storm (39 mph)Category 3
1865Unnamed 1865 stormSep 1464 miCategory 1 (76 mph)Category 2
1863Unnamed 1863 stormSep 3035 miTropical storm (46 mph)Tropical storm
1856Unnamed 1856 stormAug 1136 miTropical storm (62 mph)Category 4

Strength is the sustained wind on the track at the closest point, which is not the wind felt in Mamou: 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 Mamou

By decade

  • 2020s18(1 EF3+)
  • 2010s27
  • 2000s35
  • 1990s21
  • 1980s15(2 EF3+)
  • 1970s20(1 EF3+)
  • 1960s11
  • 1950s8(3 EF3+)
Strongest tornadoes near Mamou, Louisiana
DateRatingDistancePathKilled / injured
Nov 7, 1957F324 mi9.2 mi4 / 10
Oct 29, 1974F318 mi31.3 mi2 / 52
May 17, 2020EF315 mi3.93 mi1 / 9
Oct 15, 1957F323 mi37.9 mi1 / 29
Feb 9, 1983F322 mi21 mi0 / 7
Feb 9, 1983F313 mi3 mi0 / 0
Apr 4, 1952F319 mi36.7 mi0 / 10
Sep 3, 2008EF22 mi7.06 mi2 / 2
Oct 29, 2002F29 mi10.5 mi2 / 3
Mar 31, 2025EF217 mi1.82 mi0 / 0
Feb 8, 2023EF216 mi3.61 mi0 / 0
Oct 25, 2022EF222 mi0.44 mi0 / 0

The strongest 12 of 155, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.

Hail in Mamou

The Storm Prediction Center has 31 hail reports within 10 miles of Mamou since 1963, made on 26 separate days. Of these, 14 were 1 inch across or larger, and none reached 2 inches. The largest size, 1.75 inches (golf ball size), was reported on 7 days, most recently April 6, 2005. The most recent report is from April 4, 2019. March has the most reports, 9.

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

Weather by month in Mamou

The nearest NOAA station with 1991–2020 climate normals is Eunice, LA, 10 miles south of Mamou at 50 feet. August is the warmest, with an average high of 93°F and low of 73°F; January is the coolest, at 60°F and 40°F. January is the wettest at 6.4 inches of precipitation on average and March the driest at 3.9 inches; the year adds up to 57.8 inches over 72 days with at least a tenth of an inch. June to November, the hurricane season months, bring 48% of the year's precipitation (27.8 of 57.8 inches); the other six months are wetter. September has brought the most of the 43 tropical systems that passed within 75 miles (19); a normal September there has highs of 89°F and 4.9 inches of precipitation. Highs reach 90°F on about 111 days a year, almost all from May to October. Lows fall below freezing on about 19 nights a year. That 57.8 inches is more than at 20 of the 81 Louisiana stations used on this site (25%). Oakdale, 18 miles northwest, has its own station (Elizabeth, LA): 62.1 inches a year, 4.3 more than here, and the same August average high, 93°F.

Monthly climate normals 1991–2020 at Eunice, LA
MonthHigh °FLow °FPrecip. inDays ≥ 0.1"
Jan60406.47
Feb64444.66
Mar71513.95
Apr78574.64
May85665.75
Jun90714.88
Jul92734.68
Aug93734.27
Sep89684.95
Oct81574.95
Nov70484.45
Dec63424.87
Year785757.872

Averages for 1991–2020 at Eunice, LA (50 ft), from NOAA NCEI U.S. Climate Normals. Normals describe the station; the farther a place is from it, and the bigger the difference in height, the more its weather can differ.

Louisiana weather by month, station by station →

Floods, thunderstorm wind and lightning near Mamou

Since 1996, the National Weather Service has logged 50 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Mamou: 34 thunderstorm wind reports, 11 flash floods, 2 floods, 2 heavy rain events and 1 lightning strike. They killed 0 people and injured 2, and the NWS estimated $3.8 million in property and crop damage. The strongest thunderstorm gust on record here was 81 mph, on March 25, 2009. May has had the most flash floods, 5 of 11. Of the 239 Louisiana cities on this site with a flash flood on record, 88 have had fewer than Mamou.

  • February 26, 1998: thunderstorm wind 10 miles from the centre of Mamou — 2 injured, $2.0 million damage.

  • October 26, 2006: flood 8 miles from the centre of Mamou — $1.0 million damage.

    NWS: “Between 10 and 15 inches of rain fell in less than 24 hours across southern Evangeline Parish. The heaviest hit area was near Chatagnier.”

  • March 25, 2009: thunderstorm wind 1 mile from the centre of Mamou — $100,000 damage.

    NWS: “NWS Storm Survey found microburst wind damage across Mamou, with the worst damage in the northeastern half of town. A roof was blown off a medical building on the west side of Country Club Lane.”

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 Mamou's ZIP code 70554 have filed 79 claims with the National Flood Insurance Program since 1979, and were paid $1.9 million for buildings and contents, in the dollars of each year. The most came from Mid-summer severe storms in 2016: 10 claims (13% of all) and $305,000. The year with the most claims was 2017, with 19. 27% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 219 Louisiana cities on this site with 10 or more claims, 62 have fewer than Mamou.

Flood insurance claims in Mamou by named event
EventClaimsPaid
Mid-summer severe storms201610$305,000

Evangeline Parish, which includes Mamou, has been named in 35 federal disaster or emergency declarations since 1971, 18 of them major disasters (by incident: 21 hurricanes, 3 coastal storms, 2 biological emergencies, 2 floods). The latest major disaster declaration was Hurricane Ida, on August 29, 2021. FEMA's National Risk Index gives Evangeline Parish a Relatively Low rating for natural hazard risk overall; by hazard: Relatively High for lightning; Relatively Moderate for hurricanes and tornadoes; Relatively Low for hail, inland flooding, strong wind and heat waves. It models the county's expected loss from all 18 hazards it covers at $22.9 million a year, the 29th highest of 64 Louisiana counties; of the hazards above, the largest share, $6.3 million (27%), 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 Mamou