Jackson County, Mississippi

What hazards hit Jackson County most?

The most frequent records are severe thunderstorm wind events: 156 since 1959. 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 Jackson County had?

NOAA records 79 tornadoes in Jackson County from 1958 to 2025, the strongest rated EF2, with 1 death and 26 injuries recorded in the county. That is 17th of 82 Mississippi counties and 85th 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 86 tornadoes whose track touched Jackson County since 1950 (NOAA's county records number 79: they file a crossing tornado once per county segment, and the two databases differ on some tracks); along their whole tracks they killed 1 person.

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 Jackson County?

The most recent record with damage, injuries or deaths is the June 30, 2026 thunderstorm wind ($1,000 in damage in 2025 dollars).

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

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 Jackson 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 Jackson County. The two busiest months are in violet.

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

Federal disaster declarations for Jackson County

FEMA's register lists 36 declarations that include Jackson County: 23 major disasters, 13 emergencies and 0 fire management assistance declarations. Most were for hurricane (24) and severe storm (6).

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 Jackson County had?

NOAA's Storm Events Database holds 48 flood or flash flood records for Jackson County from 1996 to 2026, on 39 days, with 0 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Jackson County ranks 47th of 2,942 U.S. counties. The 100 counties with the most claims

The National Flood Insurance Program has paid $721 million on 11,325 claims filed in Jackson County; the most in one year was 5,414 in 2005. 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 Jackson County

FEMA's National Risk Index rates Jackson County Relatively Moderate overall, with an expected annual loss of $111 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 Jackson County

1. Mobile County, AL 1,290
2. Harrison County 697
3. Jackson County 532
4. George County 222
5. Stone County 212

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 Jackson CountyThe hazard risk calculator: 18 hazards beside the county's record
• Download Jackson County's FEMA declarations (CSV)36 rows: every declaration that named the county, for your own analysis