Coahoma County, Mississippi

What hazards hit Coahoma County most?

The most frequent records are heat records: 141 since 2007. 77% of its heat records since 2007 fell in July and August. 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 Coahoma County had?

NOAA records 29 tornadoes in Coahoma County from 1953 to 2015, the strongest rated EF3, with 9 deaths and 59 injuries recorded in the county. 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 27 tornadoes whose track touched Coahoma County since 1950 (NOAA's county records number 29: they file a crossing tornado once per county segment, and the two databases differ on some tracks); along their whole tracks they killed 9 people.

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 Coahoma County?

The most recent record with damage, injuries or deaths is the January 23, 2026 winter storm ($100,000 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

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 Coahoma 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?

77% of its heat records since 2007 fell in July and August. The two busiest months are in violet.

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

Federal disaster declarations for Coahoma County

FEMA's register lists 23 declarations that include Coahoma County: 17 major disasters, 6 emergencies and 0 fire management assistance declarations. Most were for severe storm (10) and hurricane (4).

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 Coahoma County had?

NOAA's Storm Events Database holds 23 flood or flash flood records for Coahoma County from 1997 to 2021, on 23 days, with 0 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Coahoma County ranks 694th of 2,942 U.S. counties.

The National Flood Insurance Program has paid $6.8 million on 333 claims filed in Coahoma County; the most in one year was 51 in 2016. 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 Coahoma County

FEMA's National Risk Index rates Coahoma County Relatively Low overall, with an expected annual loss of $15.0 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 Coahoma County

1. Bolivar County 682
2. Sunflower County 509
3. Coahoma County 479
4. Tallahatchie County 415
5. Phillips County, AR 409
6. Tunica County 384
7. Quitman County 293

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
• Heat in MississippiThe state's heat records, 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 Coahoma CountyThe hazard risk calculator: 18 hazards beside the county's record
• Download Coahoma County's FEMA declarations (CSV)23 rows: every declaration that named the county, for your own analysis