HailEvidence → hail history → Clayton, MO
Clayton, MO hail history
Every figure below is from the NOAA NCEI Storm Events Database — the official NWS record — counting events recorded within 10 miles of the Clayton city centroid, 1950 to present.
Hail by year — last 15 years
| Year | Hail events ≤ 10 mi | Largest hail |
|---|---|---|
| 2026 | 0 | — |
| 2025 | 57 | 2.50" (tennis ball) |
| 2024 | 5 | 3.75" (tea cup) |
| 2023 | 9 | 1.50" (ping pong ball) |
| 2022 | 0 | — |
| 2021 | 1 | 2.00" (hen egg) |
| 2020 | 1 | 1.25" (half dollar) |
| 2019 | 6 | 1.75" (golf ball) |
| 2018 | 10 | 1.75" (golf ball) |
| 2017 | 9 | 3.00" (tea cup) |
| 2016 | 6 | 1.75" (golf ball) |
| 2015 | 5 | 1.50" (ping pong ball) |
| 2014 | 7 | 1.75" (golf ball) |
| 2013 | 6 | 1.00" (quarter) |
| 2012 | 26 | 3.00" (tea cup) |
Note: the current and prior year reflect the latest NCEI compile and grow as NWS finalizes reports; same-day activity appears on this site's storm-day pages before it reaches this table.
Wind and tornado record
- 476 thunderstorm-wind events, strongest 100 mph, most recent 2025-08-17.
- 35 tornado events, most recent 2025-05-16.
Most recent recorded events
| Date | Type | Magnitude | Distance |
|---|---|---|---|
| 2025-08-17 | Thunderstorm Wind | 58 mph | 6.9 mi |
| 2025-06-27 | Thunderstorm Wind | 58 mph | 6.2 mi |
| 2025-06-27 | Thunderstorm Wind | 69 mph | 4 mi |
| 2025-05-19 | Hail | 1.75" | 6.6 mi |
| 2025-05-19 | Hail | 1.25" | 3.5 mi |
| 2025-05-19 | Hail | 2.00" | 2.9 mi |
| 2025-05-19 | Hail | 1.00" | 5.6 mi |
| 2025-05-19 | Hail | 1.00" | 6.8 mi |
| 2025-05-19 | Hail | 1.75" | 6.5 mi |
| 2025-05-19 | Hail | 1.50" | 7.3 mi |
2025-08-17: “The ASOS at Lambert International Airport measured a wind gust of 58 mph from microburst winds. Shortly after, a large oak tree fell onto a home causing significant damage.”
2025-06-27: “An NWS employee estimated thunderstorm wind gusts of 50 to 60 mph. These winds downed small tree limbs.”
2025-06-27: “Several large tree limbs and trees were reported downed in a swath from Webster Groves/Shrewsbury southeast through Marlborough and Wilbur Park/Affton.”
Disputing a claim at a Clayton address?
This page covers the city. A claim dispute needs the record around your address: every NWS-recorded event within 1, 3 and 10 miles, the disputed date highlighted, citations formatted for an insurance appeal.
Verify an address — $29source: NOAA NCEI Storm Events computed 2026-06-12