St. Charles County Hail & Storm History

  • 70
    hail events since 2016
  • 4″
    largest hail on record
  • 22
    at golf-ball size (1.75″) or larger
  • Sep 17, 2026
    last hail on radar, 1″
Loading hail map…

Radar-confirmed hail footprints, opened over St. Charles County. Drag to follow a storm across county lines; the map is the whole country. A county with no footprint drawn has no radar-confirmed swath on record yet, and its 70 NOAA events still stand.

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Why it matters

This page holds every NOAA-documented hail and severe wind event in St. Charles County, Missouri from 2016 to 2025. St. Charles County has logged 70 hail events in that time, 22 of them at 1.75″ (golf-ball) or larger, the size that routinely qualifies a roof for an insurance claim. Add 81 severe thunderstorm-wind events topping out at 70 mph, and most homes in the county have a documented weather event inside the typical carrier filing window. In Curbsight, a hail-hit roof shows up with its storm date already on the card, so nobody cross-references storm records by hand.

Notable recent events

May 16, 2025HAILCottleville — 2.5" hail (hen egg)
May 16, 2025HAILDefiance — 2" hail (hen egg)

Hail events in St. Charles County

Every day radar confirmed a hail swath over St. Charles County, Missouri — 8 days on record. Newest first.

2026

  • Sep 17, 20261″ hail1 swath
  • Apr 27, 20261″ hail1 swath

2025

  • May 16, 20253″ hail7 swaths

2024

  • May 26, 20243″ hail7 swaths
  • Apr 1, 20242″ hail5 swaths
  • Mar 14, 20241.5″ hail3 swaths

2023

  • May 13, 20231.5″ hail3 swaths
  • Apr 20, 20231″ hail1 swath
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Which roofs in St. Charles County took the hail?

The storm record above is public. Which specific homes sit inside those footprints — with roof age and owner attached, ranked by Curbsight's proprietary scoring — is what we build. Tell us the ZIP you work and we will put a sample together for St. Charles County.

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