St. Mary Parish tornado history

24 tornadoes touched St. Mary Parish, Louisiana between 1950 and 2025 — about 0.3 a year. The strongest was rated F3 (Mar 17, 1970).

24tornadoes since 1950
F3strongest rating
0killed · 26 injured
6.4 milongest path · 1952
(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5· dots = start point only

By rating

(E)F08
(E)F112
(E)F23
(E)F31
(E)F40
(E)F50

By month

JFMAMJJASOND

Peak month: September.

By decade

’50’60’70’80’90’00’10’20

Strongest tornadoes

DateRatingPathWidthInjuredKilled
Mar 17, 1970F31 mi50 yd20
Apr 4, 1952F26.4 mi20 yd30
Sep 10, 1961F21 mi100 yd160
Sep 16, 1971F20.5 mi50 yd00
Feb 23, 2016EF12.6 mi50 yd00
Jan 2, 1999F12 mi100 yd10
May 8, 1991F11.5 mi30 yd10
Jun 16, 2000F11.3 mi10 yd00
Mar 26, 1974F11 mi27 yd20
Jul 8, 1982F11 mi10 yd00
Apr 23, 1995F10.5 mi20 yd00
May 12, 1995F10.5 mi23 yd10

Most recent tornadoes

DateRatingPathWidthInjuredKilled
Apr 14, 2018EF00.3 mi40 yd00
Jul 19, 2017EF00.7 mi10 yd00
Jun 13, 2016EF0—5 yd00
Feb 23, 2016EF12.6 mi50 yd00
Mar 21, 2012EF00.7 mi20 yd00
Jun 4, 2010EF0—10 yd00
Jun 4, 2010EF01 mi25 yd00
Jun 16, 2000F11.3 mi10 yd00
Jan 2, 1999F12 mi100 yd10
May 12, 1995F10.5 mi23 yd10
Apr 23, 1995F10.5 mi20 yd00
Oct 29, 1993F00.1 mi13 yd00

Nearby counties

Iberia Parish, LA29Assumption Parish, LA21St. Martin Parish, LA26Terrebonne Parish, LA37Iberville Parish, LA22St. James Parish, LA10Ascension Parish, LA22Vermilion Parish, LA62

Questions

How many tornadoes has St. Mary Parish, Louisiana had?

24 tornadoes touched St. Mary Parish, Louisiana between 1950 and 2025 in the NOAA Storm Prediction Center database — about 0.3 per year.

What was the strongest tornado in St. Mary Parish?

The strongest rating recorded was F3 on Mar 17, 1970, with a 1-mile path.

When is tornado season in St. Mary Parish?

Most of its tornadoes happened in September (5 of 24). Tornadoes can occur in any month, so keep alerts on year-round.

Right now: live tornado warnings map · alerts for your location. Dates link to that day’s full storm reports where available.