Hail history in St. Charles County, MO
Hail of 1 inch or larger was reported in St. Charles County on 8 days between Jan 1, 2025 and Oct 26, 2026. The largest was 2.50 in (tennis ball) on May 16, 2025, near 2 W Harvester.
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Every hail day in St. Charles County
| Storm day | Largest hail | Reports | Near | |
|---|---|---|---|---|
| Sep 17, 2026 | 1.00 in (quarter) | 1 | 1 SW Saint Paul | Report for this date → |
| Apr 27, 2026 | 1.25 in (half dollar) | 8 | 1 NNE O'Fallon | Report for this date → |
| Apr 17, 2026 | 1.00 in (quarter) | 13 | 3 NE Defiance | Report for this date → |
| May 16, 2025 | 2.50 in (tennis ball) | 29 | 2 W Harvester | Report for this date → |
| Apr 30, 2025 | 1.00 in (quarter) | 2 | 3 W Weldon Spring | Report for this date → |
| Apr 10, 2025 | 1.00 in (quarter) | 2 | 2 NE O'Fallon | Report for this date → |
| Mar 30, 2025 | 1.00 in (quarter) | 1 | 1 N Orchard Farms | Report for this date → |
| Mar 14, 2025 | 1.25 in (half dollar) | 1 | 1 W Harvester | Report for this date → |
When hail falls in St. Charles County
Where hail was reported
Places named in the reports, given as distance and direction from the nearest town, as the National Weather Service logs them.
- 2 W Harvester4 reports
- 2 S Harvester3 reports
- Saint Peters3 reports
- 2 WSW Weldon Spring2 reports
- 3 NE Defiance2 reports
- Cottleville2 reports
- Harvester2 reports
- 1 N Orchard Farms1 report
- 1 N Weldon Spring1 report
- 1 NE Dardenne Prairie1 report
More hail history in Missouri
See a sample satellite hail report →
Source and method
NOAA Storm Prediction Center preliminary local storm reports of hail 1 inch or larger, Jan 1, 2025 to Oct 26, 2026 (updated Oct 27, 2026). Dates are SPC storm days, which run from 12:00 UTC to 12:00 UTC (about 7 a.m. to 7 a.m. Central), so a late-night storm appears on the day it started. Reports come from spotters, the public and NWS offices: they can be revised, and a storm nobody reported is missing. SPC storm reports.
A Skybridge report goes further for one address and date: GOES satellite cloud-top and lightning data, NOAA MRMS radar hail size and these storm reports within 50 km, in one document reviewed by a person, with a code anyone can verify.