631xx ZIP Codes · St. Louis County MO · St. Charles County MO
Hail & Storm History for St. Louis County North / St. Charles County (Last 5 Years)
The NOAA Storm Prediction Center archive records 4 significant storm events in the 631xx ZIP corridor (St. Louis County North / St. Charles County) over the last five years — 3 hail, 1 damaging wind events — several of which produced hail large enough to functionally damage standard asphalt shingles.
Recorded Storm Events in St. Louis County North / St. Charles County
| Date | Event Type | Magnitude | Details |
|---|---|---|---|
| Wind | 70 mph | Severe thunderstorm wind gusts through north county and St. Charles producing tree falls and minor roof damage. | |
| Hail | 1.75 in (golf ball) | Golf-ball hail across O'Fallon, Wentzville, and St. Peters area. One of the higher-volume claim events in St. Charles County in recent years. | |
| Hail | 2.00 in (egg-sized) | Egg-sized hail reported in Florissant and Hazelwood. Significant residential roof damage including loss of shingle granules and impact fractures. | |
| Hail | 1.25 in (half-dollar) | Half-dollar-sized hail from isolated cell tracking northeast through portions of St. Charles County. |
Source: NOAA SPC archive (verify exact details before publishing). Event dates and magnitudes should be verified against the official NOAA SPC archive at spc.noaa.gov before use in any insurance or legal context. Data last reviewed 2025-01-01.
What This History Means for Homes in St. Louis County North / St. Charles County
Hail of 1.00 inch (quarter-sized) or larger can cause functional damage — granule loss and mat bruising — on standard asphalt shingles, and much of it is invisible from the ground. If your home sits in a 631xx ZIP code and any of the events above occurred within the last 12 months, a professional inspection is worth scheduling now: Missouri policies generally allow about one year from the date of loss to file a claim, and Illinois policies typically allow two.
Revolve Construction inspects roofs across St. Louis County MO and St. Charles County MO free of charge, documents any storm damage with photos, and — if a claim is justified — meets your insurance adjuster on-site. If we find nothing, we tell you that too.
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