HailEvidence → hail history → Old Jamestown, MO
Old Jamestown, 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 Old Jamestown city centroid, 1950 to present.
Hail by year — last 15 years
| Year | Hail events ≤ 10 mi | Largest hail |
|---|---|---|
| 2026 | 0 | — |
| 2025 | 17 | 2.50" (tennis ball) |
| 2024 | 3 | 1.50" (ping pong ball) |
| 2023 | 4 | 2.00" (hen egg) |
| 2022 | 1 | 1.00" (quarter) |
| 2021 | 1 | 2.00" (hen egg) |
| 2020 | 1 | 1.25" (half dollar) |
| 2019 | 2 | 1.00" (quarter) |
| 2018 | 3 | 1.75" (golf ball) |
| 2017 | 2 | 1.25" (half dollar) |
| 2016 | 4 | 1.00" (quarter) |
| 2015 | 2 | 1.00" (quarter) |
| 2014 | 3 | 1.75" (golf ball) |
| 2013 | 5 | 1.75" (golf ball) |
| 2012 | 11 | 2.75" (baseball) |
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
- 294 thunderstorm-wind events, strongest 100 mph, most recent 2025-08-17.
- 32 tornado events, most recent 2025-03-14.
Most recent recorded events
| Date | Type | Magnitude | Distance |
|---|---|---|---|
| 2025-08-17 | Thunderstorm Wind | 58 mph | 8 mi |
| 2025-08-12 | Hail | 1.00" | 9.9 mi |
| 2025-08-12 | Thunderstorm Wind | 69 mph | 9.7 mi |
| 2025-07-16 | Thunderstorm Wind | 58 mph | 8.9 mi |
| 2025-06-17 | Thunderstorm Wind | 58 mph | 3.1 mi |
| 2025-05-19 | Hail | 1.75" | 8.9 mi |
| 2025-05-19 | Hail | 1.50" | 6.3 mi |
| 2025-05-19 | Hail | 1.00" | 5.5 mi |
| 2025-05-19 | Hail | 1.50" | 6.4 mi |
| 2025-05-19 | Hail | 1.25" | 5.5 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.”
2025-08-12: “A trained spotter on St. Louis Ave in East Alton reported half inch to 1 inch sized sized hail.”
2025-08-12: “Thunderstorm winds knocked down power lines and caused damage to structures near Alton.”
Disputing a claim at a Old Jamestown 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