Hail History

Hail history for St. Tammany Parish, Louisiana

Every NOAA hail report filed in St. Tammany Parish since 1973, with preliminary National Weather Service reports to November 3, 2026.

Readout · St. Tammany Parish

Last hail
Sep 25, 2024
1.00 in, quarter size
Hail days, last 5 years
8
since Nov 3, 2021 · 12 reports
Largest ever
3.00 in
teacup · May 24, 1988

98 reports on 70 days since 1973 · #23 of 65 Louisiana counties

Hail map · St. Tammany Parish

Slidell Lacombe Covington Mandeville 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
92 most recent reports with a location. Dot size and colour follow hail size. Open street map

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What the record says about St. Tammany Parish

The latest hail report in St. Tammany Parish is from September 25, 2024, 1.00 in (quarter size). Since November 3, 2021 there have been 8 separate hail days; the biggest stones in that time were 1.75 in on August 27, 2023.

Over the 20 years 2006–2025, St. Tammany Parish logged 49 reports on 34 hail days, about 2.5 reports a year. That is 58% more than the median Louisiana county (1.6 a year) and ranks #23 of 65 Louisiana counties for all-time reports. St. Tammany Parish holds 2% of all 6,415 hail reports in Louisiana.

4% of reports with a size were 2 inches (hen egg) or larger, against 5% for the median Louisiana county. The largest hail on record here is 3.00 in (teacup) on May 24, 1988.

Reports were down 19% in 2016–2025 (22) compared with 2006–2015 (27). The busiest year was 2013, with 6 reports on 3 days. Hail here peaks in March (15% of reports); 44% fall between April and June.

Reports a year 2006–2025 average

  • St. Tammany Parish 2.5
  • Median Louisiana county 1.6

Hail days 2006–2025

  • St. Tammany Parish 34
  • Median Louisiana county 23

Share 2 in or larger of sized reports

  • St. Tammany Parish 4%
  • Median Louisiana county 5%

Hail over time

0246 1973: 1 reports, largest 1.25 in 1980 1984: 1 reports, largest 0.75 in 1985: 3 reports, largest 1.75 in 1986: 1 reports, largest 1.00 in 1987: 2 reports, largest 1.75 in 1988: 1 reports, largest 3.00 in 1990: 1 reports, largest 1.25 in 1990 1991: 2 reports, largest 1.00 in 1992: 1 reports, largest 1.25 in 1993: 1 reports, largest 0.88 in 1995: 5 reports, largest 1.75 in 1996: 6 reports, largest 1.75 in 1997: 3 reports, largest 1.75 in 1998: 4 reports, largest 1.75 in 1999: 2 reports, largest 0.75 in 2000: 6 reports, largest 1.00 in 2000 2002: 1 reports, largest 0.75 in 2003: 2 reports, largest 0.88 in 2004: 3 reports, largest 1.75 in 2005: 3 reports, largest 2.75 in 2006: 2 reports, largest 0.88 in 2007: 1 reports, largest 0.75 in 2008: 2 reports, largest 1.00 in 2009: 3 reports, largest 1.00 in 2010: 3 reports, largest 1.75 in 2010 2011: 6 reports, largest 1.75 in 2012: 2 reports, largest 1.00 in 2013: 6 reports, largest 1.75 in 2015: 2 reports, largest 1.00 in 2016: 1 reports, largest 1.00 in 2017: 4 reports, largest 2.00 in 2018: 2 reports, largest 1.00 in 2020: 1 reports, largest 1.00 in 2020 2021: 2 reports, largest 1.00 in 2022: 4 reports, largest 1.25 in 2023: 3 reports, largest 1.75 in 2024: 5 reports, largest 1.00 in
Reports per year, 1973–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
051015 January: 6 reports (6%) Jan February: 12 reports (12%) Feb March: 15 reports (15%) Mar April: 15 reports (15%) Apr May: 14 reports (14%) May June: 14 reports (14%) Jun July: 7 reports (7%) Jul August: 7 reports (7%) Aug September: 4 reports (4%) Sep October: 2 reports (2%) Oct Nov December: 2 reports (2%) Dec
All 98 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 2111 5
2023 3 3
2022 112 4
2021 2 2
2020 1 1
2019 0
2018 11 2
2017 112 4

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Sep 25, 2024 1 1.00 in —
Jun 1, 2024 1 1.00 in —
Feb 4, 2024 1 1.00 in —
Jan 8, 2024 2 1.00 in —
Aug 27, 2023 3 1.75 in —
Jun 9, 2022 2 1.25 in —
May 17, 2022 1 1.00 in —
Apr 12, 2022 1 1.00 in —

Largest hail on record

Largest hail reports in St. Tammany Parish
Date Size Location Time · source
May 24, 1988 3.00 inteacup — 12:50 local · NCEI
Mar 31, 2005 2.75 inbaseball 3 NNW Pearl River 19:00 local · NCEI
Mar 31, 2005 2.50 intennis ball Pearl River 17:15 local · NCEI
Feb 7, 2017 2.00 inhen egg 7 W Bush 13:27 local · NCEI
Aug 27, 2023 1.75 ingolf ball 1.51 NNE Lacombe 15:31 local · NCEI

Sizes filed before 1996 are often rough estimates (round numbers like 7.00 or 8.00 in) without an exact spot; they are shown as NOAA filed them.

Size of every report

Most recent reports

Most recent hail reports in St. Tammany Parish
Date Size Location Time · source
Sep 25, 2024 1.00 inquarter 2.41 E Chinchuba 13:46 local · NCEI
Jun 1, 2024 1.00 inquarter 2.39 SSE Goodbee 16:09 local · NCEI
Feb 4, 2024 1.00 inquarter 1.43 SSE Chinchuba 18:25 local · NCEI
Jan 8, 2024 1.00 inquarter 0.6 E Pearl River 17:52 local · NCEI
Jan 8, 2024 1.00 inquarter 2.38 E Mandeville 17:19 local · NCEI
Aug 27, 2023 1.75 ingolf ball 1.51 NNE Lacombe 15:31 local · NCEI
Aug 27, 2023 1.75 ingolf ball 3.06 ENE Lacombe 15:30 local · NCEI
Aug 27, 2023 1.50 inping pong ball 2.26 NE Oaklawn 15:21 local · NCEI
Jun 9, 2022 1.25 inhalf dollar 2.48 ENE Mandeville 16:05 local · NCEI
Jun 9, 2022 1.00 inquarter 3.28 ESE Chinchuba 16:03 local · NCEI
May 17, 2022 1.00 inquarter 0.91 SE North Slidell 14:35 local · NCEI
Apr 12, 2022 1.00 inquarter Folsom 17:13 local · NCEI

Cities and towns in St. Tammany Parish

PlaceReportsLargest
Slidell261.75 in
Lacombe131.75 in
Covington101.75 in
Mandeville101.25 in

Smaller places with fewer than 10 reports

These places have too few reports for a page of their own, so their record lives here.

PlaceReportsHail daysLatest
Pearl River75Jan 8, 2024
Abita Springs66Aug 20, 2020
Folsom33Apr 12, 2022
Madisonville22Mar 11, 2018

Questions about hail in St. Tammany Parish

How often does it hail in St. Tammany Parish, Louisiana?

98 hail reports have been logged in St. Tammany Parish since 1973. Over the 20 years 2006–2025 that averages 2.5 reports a year. That ranks #23 of 65 Louisiana counties by number of reports.

When is hail season in St. Tammany Parish?

Most reports come in March, April, May. March alone accounts for 15% of all reports.

What is the largest hail recorded in St. Tammany Parish?

3.00 in (teacup size) on May 24, 1988. 4% of reports here were 2 inches or larger.

When did it last hail in St. Tammany Parish?

The most recent report in this data is from September 25, 2024 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has St. Tammany Parish had in the last five years?

8 separate days with hail reports since November 3, 2021, adding up to 12 reports. The most recent was September 25, 2024.

Where does this hail data come from?

Hail reports come from the NOAA NCEI Storm Events Database, which the National Weather Service compiles from spotter, public, law enforcement and media reports. Recent days use preliminary NWS Local Storm Reports via the Iowa Environmental Mesonet until NOAA publishes final data. Only reported hail is counted, so areas with fewer people tend to have fewer reports.