Harvey County, Kansas

What hazards hit Harvey County most?

The most frequent records are hail reports: 323 since 1958. 53% of its hail reports since 1958 fell in May and June. The rank column places the county among Kansas'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 Harvey County had?

NOAA records 53 tornadoes in Harvey County from 1955 to 2026, the strongest rated F5, with 1 death and 62 injuries recorded in the county. That is 2nd of 105 Kansas counties and 127th 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 51 tornadoes whose track touched Harvey County since 1950 (NOAA's county records number 53: they file a crossing tornado once per county segment, and the two databases differ on some tracks); along their whole tracks they killed 2 people, 1 of them in Harvey County.

Map of the strongest tornado tracks in Kansas.

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 Harvey County?

The most recent record with damage, injuries or deaths is the November 25, 2023 winter storm (9 injuries).

There was a range of snowfall totals across the county from 12.7 inches reported in Hesston to 10 inches near Halstead. According to dispatch, nearly 80 vehicles were involved in 40 crashes across the county. Six of those crashes resulted in injuries with four being transported to the hospital. Additionally there were five calls for people falling due to the weather conditions. Interstate 135 had to be closed for a period of time because of the number of accidents.
National Weather Service event narrative, NOAA Storm Events Database (search the full record, event 1147581)

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 Harvey 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?

53% of its hail reports since 1958 fell in May and June. The two busiest months are in violet.

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

Federal disaster declarations for Harvey County

FEMA's register lists 25 declarations that include Harvey County: 19 major disasters, 5 emergencies and one fire management assistance declaration. Most were for severe storm (16) and flood (3).

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 Harvey County had?

NOAA's Storm Events Database holds 37 flood or flash flood records for Harvey County from 1998 to 2023, on 28 days, with 1 death. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Harvey County ranks 598th of 2,942 U.S. counties.

The National Flood Insurance Program has paid $3.2 million on 403 claims filed in Harvey County; the most in one year was 176 in 1993. 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 Harvey County

FEMA's National Risk Index rates Harvey County Very Low overall, with an expected annual loss of $20.5 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 Harvey County

1. Sedgwick County 3,150
2. Butler County 2,021
3. Reno County 1,630
4. McPherson County 1,184
5. Marion County 861
6. Harvey County 836

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 KansasEvery Kansas tornado since 1950 and the counties with the most per square mile
• Hail in KansasThe state's hail reports, by county, year and month
• The Kansas recordEvery hazard in the state, its deadliest events and its federal declarations
• FEMA's risk rating for each hazard in Harvey CountyThe hazard risk calculator: 18 hazards beside the county's record
• Download Harvey County's FEMA declarations (CSV)25 rows: every declaration that named the county, for your own analysis