LaSalle Parish, LA
FEMA National Risk Index scores, disaster declarations & hazard data
LaSalle Parish has experienced 38 federally declared disasters since 1973, most recently Severe Winter Storm in 2026. Its overall natural hazard risk is rated Very Low — among the lowest-risk counties in the country.
LaSalle Parish's highest-rated hazards are hurricane, heat wave, and ice storm, with its top risk rated "Relatively Low" by FEMA's National Risk Index. Recorded storm events have increased 33% over the past five years compared to the prior five-year period.
Past disasters & FEMA designations
A federal disaster declaration officially designates a county for FEMA disaster assistance. LaSalle Parish has been designated in 38 declarations since 1973, covering 9 disaster types including hurricane (17), flood (9), severe storm (3).
| Year | Type | Event name |
|---|---|---|
| 2026 | Winter Storm | Severe Winter Storm |
| 2024 | Hurricane | Tropical Storm Francine |
| 2021 | Hurricane | Tropical Storm Zeta |
| 2021 | Coastal Storm | Tropical Storm Nicholas |
| 2021 | Hurricane | Tropical Storm Ida |
| 2021 | Severe Ice Storm | Severe Winter Storms |
| 2021 | Severe Ice Storm | Severe Winter Storm |
| 2021 | Hurricane | Hurricane Ida |
| 2021 | Hurricane | Hurricane Delta |
| 2021 | Hurricane | Hurricane Delta |
Showing the 10 most recent of 38 total declarations since 1973.
Source: FEMA OpenFEMA Disaster Declarations Summaries. A single disaster can produce more than one record per county. Data current through September 2026.
Risk by hazard type
| Hazard | Risk rating | Risk score | Recorded events | Deaths | Prop. damage |
|---|---|---|---|---|---|
| Wildfire | Very Low | 20 | 0 | 0 | — |
| Inland Flooding | Very Low | 23.4 | 21 | 0 | — |
| Coastal Flooding | Not Applicable | — | 0 | 0 | — |
| Earthquake | Very Low | 35.9 | — | — | — |
| Heat Wave | Relatively Low | 62.8 | 78 | 0 | — |
| Tornado | Relatively Low | 30.8 | 8 | 0 | $2.9M |
| Hurricane | Relatively Low | 65 | 0 | 0 | — |
| Hail | Very Low | 19.4 | 13 | 0 | — |
| Strong Wind | Relatively Low | 32.9 | 0 | 0 | — |
| Winter Weather | Very Low | 12.4 | 0 | 0 | — |
| Ice Storm | Relatively Low | 44.1 | — | — | — |
| Cold Wave | Very Low | 22.4 | — | — | — |
| Lightning | Relatively Low | 33.3 | 0 | 0 | — |
| Drought | Relatively Low | 32.6 | 0 | 0 | — |
| Landslide | Very Low | 27.1 | 0 | 0 | — |
| Avalanche | Not Applicable | — | — | — | — |
| Tsunami | Not Applicable | — | — | — | — |
| Volcanic Activity | Not Applicable | — | — | — | — |
Scores are 0–100 percentiles relative to all US counties — higher means more exposed, not that a disaster is likely this year. Event counts: NOAA Storm Events 2016–2026; earthquake counts from USGS ComCat (M3.0+, 1996–2026). See the methodology page for details.
Community vulnerability
LaSalle Parish ranks in the 46th percentile (Low) for community vulnerability — a measure of how hard disaster impacts tend to hit residents. Higher vulnerability means more displacement, worse health outcomes, and slower recovery after a disaster.
| SVI theme | Percentile | Vulnerability level |
|---|---|---|
| Overall | 46th | Low |
| Socioeconomic status | 33rd | Low |
| Household characteristics | 45th | Low |
| Racial & ethnic minority status | 53rd | Moderate |
| Housing type & transportation | 65th | Moderate |
Source: CDC/ATSDR Social Vulnerability Index 2022. Percentiles compare counties nationally — higher means more vulnerable relative to other counties. See CDC SVI for full methodology.
Future risk outlook
| Wildfire metric | National percentile | Level |
|---|---|---|
| Burn probability | 46th | Relatively Moderate |
| Risk to homes | 44th | Relatively Moderate |
| Buildings in direct exposure zone | 83.1% | — |
NOAA tracked 119 weather events in this county over 2016–2025: 51 in 2016–20 vs 68 in 2021–25 (+33% — frequency increasing).
Wildfire: USDA Forest Service Wildfire Risk to Communities (RDS-2020-0016-2) — modeled values, not annual forecasts. See wildfirerisk.org. Inland flood and heat projections pending data availability; coastal sea-level projections are available for select coastal counties below — see the data page.
Nearby counties
Frequently asked questions
What natural hazards pose the greatest risk in LaSalle Parish?
According to the FEMA National Risk Index, the highest-risk hazards in LaSalle Parish, Louisiana are hurricane, heat wave, and ice storm. The county's overall natural hazard risk is rated Very Low — among the lowest-risk counties in the country.
Has LaSalle Parish received federal disaster declarations?
Yes. LaSalle Parish has received 38 federal disaster declarations since 1973, including declarations in 2026. The most common disaster type on record is hurricane (17 declarations).
Has LaSalle Parish had any FEMA disaster declarations in 2024, 2025, or 2026?
Yes. Recent federal disaster declarations for LaSalle Parish include Severe Winter Storm (2026), Tropical Storm Francine (2024). See the declarations table above for the full history since 1973.
How does LaSalle Parish's natural hazard risk compare to nearby counties?
Among neighboring counties, Rapides Parish, LA has the highest overall natural hazard risk (Relatively Moderate) and Caldwell Parish, LA has the lowest (Very Low). LaSalle Parish is rated Very Low overall.
How is LaSalle Parish's composite disaster risk index calculated?
LaSalle Parish's composite disaster risk index — officially FEMA's National Risk Index (NRI) — scores every US county on a 0–100 percentile scale across 18 natural hazard types, factoring in expected annual loss, social vulnerability, and community resilience. LaSalle Parish's composite score of 12 means its overall natural hazard risk is higher than 12% of US counties.