LaSalle Parish, Louisiana severe weather history spans 247 recorded events between 1950 and 2026. The dominant hazard is thunderstorm wind, accounting for 49.8% of all recorded events. It ranks #2,125 nationally and #47 in Louisiana.
247
Recorded events
3
Direct deaths
43
Direct injuries
$38.2M
Property damage
The record
What the LaSalle Parish, Louisiana severe weather history record shows
Across the archive, LaSalle Parish, Louisiana severe weather history averages 3.3 recorded events a year. The busiest stretch on record is the 2010s, with 64 events logged in that decade alone. Roughly 32 events fall before 1990 and 215 from 1990 onward — a gap that reflects the expansion of NOAA reporting practice as much as the weather itself.
The deadliest hazard in the LaSalle Parish, Louisiana record is tornado, responsible for 3 direct deaths. The costliest is tornado, with $37.6M in reported property damage. In total, 7 distinct hazard types appear in this county archive, each listed with its own dated record below.
By hazard type
Every hazard type recorded in LaSalle Parish
| Hazard | Events | Deaths | Damage | Max | Span |
|---|---|---|---|---|---|
| Thunderstorm Wind | 123 | 0 | $627K | 70 | 1969–2026 |
| Hail | 63 | 0 | $0 | 2.75 | 1974–2026 |
| Flash Flood | 33 | 0 | $0 | 0 | 1999–2025 |
| Tornado | 25 | 3 | $37.6M | F4 | 1950–2021 |
| Lightning | 1 | 0 | $0 | 0 | 2003–2003 |
| Funnel Cloud | 1 | 0 | $0 | 0 | 2009–2009 |
| Flood | 1 | 0 | $0 | 0 | 2019–2019 |
Decade by decade
LaSalle Parish, Louisiana severe weather history by decade
Reporting practice changed over time — early decades are undercounted, not calmer.
Tornado tracks
Paths crossing this county
25 mapped tornado paths intersect this county: 21 touched down inside it and 4 crossed in from a neighbouring county. This comes from path geometry, not county-tagged reports.
| Date | Scale | Deaths | Injuries | Path length | Origin |
|---|---|---|---|---|---|
| 1953-12-03 | EF4 | 9 | 50 | 85.5 mi | Crossed in |
| 2004-11-23 | EF3 | 1 | 20 | 15.0 mi | Touched down here |
| 1983-05-19 | EF3 | 1 | 35 | 12.0 mi | Touched down here |
| 2018-10-31 | EF2 | 0 | 2 | 37.9 mi | Crossed in |
| 2017-04-02 | EF2 | 0 | 1 | 13.8 mi | Touched down here |
| 2017-04-02 | EF2 | 0 | 0 | 5.6 mi | Touched down here |
| 2017-04-02 | EF2 | 0 | 0 | 13.7 mi | Touched down here |
| 2017-04-02 | EF2 | 0 | 0 | 1.1 mi | Touched down here |
| 2011-04-04 | EF2 | 0 | 0 | 12.6 mi | Touched down here |
| 2008-12-09 | EF2 | 0 | 1 | 18.1 mi | Touched down here |
Significant events
Deadliest events on record in LaSalle Parish
| Date | Type | Location | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Dec 3, 1953 | Tornado | 2 | 15 | $2.5M | |
| Nov 24, 2004 | Tornado | OLLA | 1 | 20 | $5.0M |
| May 20, 1983 | Tornado | 0 | 5 | $25.0M | |
| Apr 21, 1951 | Tornado | 0 | 2 | $25K | |
| Dec 9, 2008 | Tornado | TROUT | 0 | 1 | $750K |
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
A SUPERCELL THUNDERSTORM MOVED INTO EXTREME NORTHWEST LA SALLE PARISH AND TRACKED TOWARDS THE TOWN OF OLLA. THE TRACK BEGAN ON THE SOUTH SIDE OF OLLA AND TRACKED NORTHEAST FOR 3 MILES TOWARDS THE LA SALLE/CALDWELL PARISH LINE. THE LA SALLE PARISH HIGH SCHOOL SUSTAINED SIGNIFICANT ROOF DAMAGE WHERE THE TORNADO WAS RATED A LOW END F2. THE DAMAGE PATH EXTENDED INTO THE MIDDLE OF OLLA WERE NUMEROUS HOMES SUSTAINED SEVERE DAMAGE. SOME HOMES LOST THE ROOF…EXTERIOR WALLS AND A FEW INTERIOR WALLS. THE TORNADO WAS RATED AN F3 AT THIS LOCATION. ACROSS THE NORTHEAST PART OF TOWN…5 MOBILE HOMES WERE COMPLETELY DESTROYED AND A PICKUP WAS LAUNCHED 200 FEET AND SMASHED UPSIDE DOWN. IN THE COMMUNITY OF STANDARD…4 HOMES AND A STORE WERE DESTROYED. THE TORNADO WAS RATED AN F3 AT THIS LOCATION. TOTAL DAMAGE CONSISTED OF MINOR TO MAJOR DAMAGE TO 106 HOMES AND THE HIGH SCHOOL.
An EF-2 tornado with maximum estimated winds between 125-135 mph touched down south southwest of the Rogers community along Walker Ferry Road, snapping and uprooting trees as well as power poles along Highway 127. As this tornadic supercell moved to the north northeast, it cut a clear path through the forest to the Belah community, snapping and uprooting the mature trees and bending the young trees. The Belah community suffered widespread damage, with snapped and uprooted trees as well as snapped power poles. Several cars and homes were damaged by falling trees as well as flying debris. Several homes as well as the local school had roof damage. The EF-2 damage not only occurred in the Belah community, where several power poles were snapped in either two or three pieces, but also in Trout, where a boat business collapsed in on itself. Between the Belah community and Trout, the tornado cut another clear path through the forest, snapping and uprooting more trees. This tornado appeared to have lifted just north of Highway 84 in Trout.
A high precipitation supercell produced a tornado as part of an outbreak of tornadoes across the region. Damage consisted of large pine and oak trees snapped and broken as well as damage to homes. Most damage to residences were from falling trees. One manufactured home was completely destroyed. A number of outbuildings were damaged by either falling trees or high wind.
Context
Risk, population and federal disasters
Very Low
FEMA NRI risk rating
14,789
Population (ACS)
$120K
Median home value
38
Federal declarations
| Declared | Incident | Title | Type |
|---|---|---|---|
| Jan 24, 2026 | Winter Storm | SEVERE WINTER STORM | EM |
| Sep 10, 2024 | Hurricane | TROPICAL STORM FRANCINE | EM |
| Sep 13, 2021 | Coastal Storm | TROPICAL STORM NICHOLAS | EM |
| Aug 29, 2021 | Hurricane | HURRICANE IDA | DR |
| Aug 27, 2021 | Hurricane | TROPICAL STORM IDA | EM |
| Mar 9, 2021 | Severe Ice Storm | SEVERE WINTER STORMS | DR |
Quick answers
Frequently asked
How many severe weather events have been recorded in LaSalle Parish, Louisiana?
247 events are on record between 1950 and 2026, causing 3 direct deaths and $38.2M in property damage.
What is the most common severe weather hazard in LaSalle Parish?
Thunderstorm Wind, with 123 recorded events — 49.8% of everything in the archive for this county.
How many tornadoes have crossed LaSalle Parish?
25 mapped tornado paths intersect the county boundary; 21 of them touched down inside it. This is derived from path geometry, not county-tagged reports.
How many federal disaster declarations cover LaSalle Parish?
38 federal disaster declarations from FEMA include LaSalle Parish, each tied to a specific incident period.
How risky is LaSalle Parish compared with the rest of the country?
FEMA's National Risk Index rates LaSalle Parish as very low risk, placing it in the 12 percentile of its state for expected annual loss.
Where does the LaSalle Parish, Louisiana severe weather history data come from?
Every figure is drawn from United States federal public-domain records: NOAA/NCEI Storm Events for the event archive, NOAA SPC SVRGIS for mapped tornado paths, FEMA for disaster declarations and risk ratings, and the U.S. Census for population context. Dates are shown in UTC and recent entries may still be revised by NOAA.
Nearby
Neighbouring counties
- Lafourche Parish 241
- Lincoln Parish 467
- Lafayette Parish 345
- Livingston Parish 383
- Jefferson Davis Parish 276
- Madison Parish 350
Cite this page
“LaSalle Parish, Louisiana.” Severe Weather History. severeweatherhistory.com/county/louisiana/lasalle-parish/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.