HailEvidence → hail history → Merwin, MO
Merwin, 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 Merwin city centroid, 1950 to present.
Hail by year — last 15 years
| Year | Hail events ≤ 10 mi | Largest hail |
|---|---|---|
| 2026 | 0 | — |
| 2025 | 3 | 1.50" (ping pong ball) |
| 2024 | 0 | — |
| 2023 | 0 | — |
| 2022 | 1 | 1.00" (quarter) |
| 2021 | 0 | — |
| 2020 | 1 | 1.00" (quarter) |
| 2019 | 1 | 0.88" (nickel) |
| 2018 | 1 | 1.00" (quarter) |
| 2017 | 6 | 1.50" (ping pong ball) |
| 2016 | 0 | — |
| 2015 | 6 | 1.75" (golf ball) |
| 2014 | 1 | 1.00" (quarter) |
| 2013 | 3 | 1.75" (golf ball) |
| 2012 | 2 | 0.75" (penny) |
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
- 69 thunderstorm-wind events, strongest 92 mph, most recent 2025-09-03.
- 11 tornado events, most recent 2007-02-28.
Most recent recorded events
| Date | Type | Magnitude | Distance |
|---|---|---|---|
| 2025-09-03 | Thunderstorm Wind | 60 mph | 9.3 mi |
| 2025-09-03 | Thunderstorm Wind | 60 mph | 8.2 mi |
| 2025-09-03 | Thunderstorm Wind | 60 mph | 7.3 mi |
| 2025-09-03 | Thunderstorm Wind | 60 mph | 8.5 mi |
| 2025-09-03 | Thunderstorm Wind | 64 mph | 6.6 mi |
| 2025-09-03 | Thunderstorm Wind | 60 mph | 6.3 mi |
| 2025-06-29 | Thunderstorm Wind | 60 mph | 6.4 mi |
| 2025-06-29 | Thunderstorm Wind | 60 mph | 7.1 mi |
| 2025-06-29 | Thunderstorm Wind | 60 mph | 6.3 mi |
| 2025-05-19 | Thunderstorm Wind | 60 mph | 7.1 mi |
2025-09-03: “Downed trees at a residence near Route 18 and Route FF. Hail also stripped paint from a house and damaged shingles.”
2025-09-03: “Trees and powerlines down WNW of Adrian.”
2025-09-03: “Campers overturned, trees and powerlines downed, and property damage northwest of Adrian.”
Disputing a claim at a Merwin 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