Jefferson Davis County, Mississippi

What hazards hit Jefferson Davis County most?

The most frequent records are severe thunderstorm wind events: 230 since 1970. The rank column places the county among Mississippi's counties by days with a record per 1,000 square miles of land over each hazard's complete period.

Source: NOAA NCEI Storm Events Database (county and forecast-zone records attributed to the county; a zone record shows its own totals on each county it covers). Days: dates with at least one record of the hazard in the county. Ranks: days with a record per 1,000 square miles of land (Census Bureau 2024 Gazetteer), since 1950 for tornadoes, 1955 for hail and thunderstorm wind, 1996 for the rest.

How many tornadoes has Jefferson Davis County had?

NOAA records 57 tornadoes in Jefferson Davis County from 1961 to 2026, the strongest rated EF4, with 6 deaths and 19 injuries recorded in the county. That is 8th of 82 Mississippi counties and 37th of 3,080 U.S. counties by days with tornadoes per 1,000 square miles since 1950. A tornado that crossed a county line is counted in each county it touched, with the length of its path inside the county.

Counted as whole tornadoes rather than county records, the Storm Prediction Center's database holds 50 tornadoes whose track touched Jefferson Davis County since 1950 (NOAA's county records number 57: they file a crossing tornado once per county segment, and the two databases differ on some tracks); along their whole tracks they killed 22 people, 6 of them in Jefferson Davis County.

Map of the strongest tornado tracks in Mississippi.

Source: NOAA NCEI Storm Events Database, tornado records by county (path length in the county, maximum width); ratings as published: F scale before February 1, 2007, EF scale after. Whole-track figures: NOAA Storm Prediction Center tornado database (1950-2025). SPC severe weather database.

When was the last damaging storm in Jefferson Davis County?

The most recent record with damage, injuries or deaths is the February 15, 2026 tornado ($34,000 in damage in 2025 dollars).

This tornado began along Progress Road, damaging a mobile home and uprooting trees and breaking tree limbs. It continued northeast across Taylor Lucas Road and Dykes Road, where additional tree damage occurred. Finally, it crossed Burkett Road, Pleasant Hill Road, and McNeese Griffith Road producing additional minor tree damage and downing a utility wire before lifting.
National Weather Service event narrative, NOAA Storm Events Database (search the full record, event 1308698)

Source: NOAA NCEI Storm Events Database; every record of 2025-2026 is listed, earlier ones when they caused deaths, injuries or $250,000 of damage (2025 dollars), and every tornado.

The deadliest and costliest records

A damage figure marked "step" is a record from before 1993: NOAA then filed damage by category, and the figure is the category as entered, in the dollars of that year, not an estimate of the loss.

Source: NOAA NCEI Storm Events Database: deaths and injuries direct and indirect; damage is property plus crops as estimated by the National Weather Service, converted to 2025 dollars.

Is it getting more frequent?

Records per decade for Jefferson Davis County's most frequent hazards. Counts rose everywhere after 1996, when NOAA began recording every event type, so compare decades within a hazard's complete period only (the shaded cells come before it).

Source: NOAA NCEI Storm Events Database, records per calendar decade; zone records from the CZ_TYPE field (Z).

What time of year?

Records by month in Jefferson Davis County. The two busiest months are in violet.

Source: NOAA NCEI Storm Events Database, records by the month they began.

Federal disaster declarations for Jefferson Davis County

FEMA's register lists 33 declarations that include Jefferson Davis County: 22 major disasters, 11 emergencies and 0 fire management assistance declarations. Most were for hurricane (16) and severe storm (8).

Source: FEMA OpenFEMA Disaster Declarations Summaries (v2), declarations through October 2, 2026; one declaration is counted once however many areas it names. OpenFEMA dataset page.

How many floods has Jefferson Davis County had?

NOAA's Storm Events Database holds 43 flood or flash flood records for Jefferson Davis County from 1997 to 2026, on 29 days, with 0 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Jefferson Davis County ranks 2523rd of 2,942 U.S. counties.

The National Flood Insurance Program has paid $5,025 on 6 claims filed in Jefferson Davis County; the most in one year was 2 in 1990. Claims count insured losses only: uninsured flood damage is not in this file.

Source: FEMA OpenFEMA NFIP Redacted Claims, as of September 8, 2026; claims by year of loss, payments in the dollars of the year paid. OpenFEMA dataset page.

FEMA's modeled risk for Jefferson Davis County

FEMA's National Risk Index rates Jefferson Davis County Very Low overall, with an expected annual loss of $4.7 million. These are FEMA's model estimates of future loss from 18 hazards, not a count of what happened; they can differ from the record above.

Source: FEMA National Risk Index, county table, December 2025 release. FEMA's National Risk Index map.

Counties that share a border with Jefferson Davis County

1. Simpson County 646
2. Lamar County 634
3. Marion County 538
4. Covington County 508
5. Jefferson Davis County 477
6. Lawrence County 476

Source: U.S. Census Bureau county adjacency file; NOAA NCEI Storm Events Database, records since 1950. The Census Bureau's adjacency file.

Next

• Tornadoes in MississippiEvery Mississippi tornado since 1950 and the counties with the most per square mile
• Severe thunderstorm wind in MississippiThe state's severe thunderstorm wind events, by county, year and month
• The Mississippi recordEvery hazard in the state, its deadliest events and its federal declarations
• FEMA's risk rating for each hazard in Jefferson Davis CountyThe hazard risk calculator: 18 hazards beside the county's record
• Download Jefferson Davis County's FEMA declarations (CSV)33 rows: every declaration that named the county, for your own analysis