HailEvidence NWS storm records · per-address verification

HailEvidencehail history → Clarkson Valley, MO

Clarkson Valley, 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 Clarkson Valley city centroid, 1950 to present.

284hail events since 1950
195≥ 1.00" (quarter) or larger
3.00"largest on record · 1980-06-28
2025-05-19most recent hail event

Hail by year — last 15 years

YearHail events ≤ 10 miLargest hail
2026 0
2025 52 2.50" (tennis ball)
2024 4 2.50" (tennis ball)
2023 6 3.00" (tea cup)
2022 0
2021 4 1.75" (golf ball)
2020 1 1.00" (quarter)
2019 3 2.00" (hen egg)
2018 0
2017 5 1.75" (golf ball)
2016 9 1.75" (golf ball)
2015 6 1.75" (golf ball)
2014 9 1.75" (golf ball)
2013 6 1.00" (quarter)
2012 14 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

Most recent recorded events

DateTypeMagnitudeDistance
2025-07-06 Thunderstorm Wind 58 mph 9.4 mi
2025-06-27 Thunderstorm Wind 58 mph 8.6 mi
2025-06-04 Tornado EF1 3.7 mi
2025-05-19 Hail 1.75" 9.9 mi
2025-05-19 Hail 1.00" 8.8 mi
2025-05-16 Hail 1.00" 5.3 mi
2025-05-16 Hail 1.50" 5.3 mi
2025-05-16 Hail 1.75" 5.3 mi
2025-05-16 Hail 1.75" 5.3 mi
2025-05-16 Hail 1.00" 5.3 mi

2025-07-06: “Thunderstorm winds downed multiple tree limbs on Parkwood Drive. In the Park Charles neighborhood, thunderstorm winds caused lots of damage to trees and knocked out the power.”

2025-06-27: “Thunderstorm winds blew one large tree limb down in Harvester.”

2025-06-04: “NWS Storm Survey found that an EF-1 tornado formed just east of Hwy 109 in Wildwood at 2:50pm and tracked northeastward. It dissipated in the Chesterfield Valley just south of the Missouri River at 3:00pm. The tornado was rated EF-1 with a path length of 6.81 miles and a maximum path width of 300 ya”

Disputing a claim at a Clarkson Valley 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 — $29
NWS records are point and path observations. The absence of a nearby report does NOT prove that no hail fell at this address — it means no observation was logged nearby. A report of nearby hail documents the event; it does not by itself prove damage to a specific structure.

source: NOAA NCEI Storm Events computed 2026-06-12