Hail history for Florissant, Missouri
NOAA hail reports in and within about 5 km (3 miles) of Florissant since 1970, with preliminary reports to November 3, 2026.
Readout · Florissant
- Last hail
- May 19, 2025
- 2.00 in, hen egg size
- Hail days, last 5 years
- 3
- since Nov 3, 2021 · 5 reports
- Largest ever
- 2.75 in
- baseball · Apr 10, 2001
37 reports on 31 days since 1970 · #94 of 491 Missouri places
Hail map · Florissant
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
Roof damage after hail? Get a free inspection
Hail bruises shingles and cracks seals in ways you can't see from the ground, and most insurers set a claim deadline after the storm. The latest hail report in Florissant is from May 19, 2025. A local roofer can check and document it at no cost.
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What the record says about Florissant
The latest hail report in and around Florissant is from May 19, 2025, 2.00 in (hen egg size). Since November 3, 2021 there have been 3 separate hail days; the biggest stones in that time were 2.00 in on May 19, 2025.
Over the 20 years 2006–2025, Florissant logged 19 reports on 17 hail days, about 0.9 reports a year. That is about twice the median Missouri town on this site (0.5 a year) and ranks #94 of 491 Missouri cities and towns on this site for all-time reports. Florissant accounts for 6% of the 660 reports filed in St. Louis County.
8% of reports with a size were 2 inches (hen egg) or larger, against 5% for the median Missouri town on this site. The largest hail on record here is 2.75 in (baseball) on April 10, 2001 near Bellefontaine Neighb.
Reports held about level in 2016–2025 (9) compared with 2006–2015 (10). The busiest year was 2001, with 4 reports on 2 days. Hail here peaks in May (32% of reports); 70% fall between April and June.
Reports a year 2006–2025 average
- Florissant 0.9
- St. Louis County 16.9
- Median Missouri town on this site 0.5
Hail days 2006–2025
- Florissant 17
- St. Louis County 108
- Median Missouri town on this site 9
Share 2 in or larger of sized reports
- Florissant 8%
- St. Louis County 8%
- Median Missouri town on this site 5%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 3 | 3 | |||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 1 | 1 | 2 | ||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 1 | 1 | |||||||||||
| 2019 | 1 | 1 | |||||||||||
| 2018 | 1 | 1 | |||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| May 19, 2025 | 3 | 2.00 in | — |
| Jul 17, 2023 | 1 | 2.00 in | — |
| Jun 30, 2023 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | County | Damage | Time · source |
|---|---|---|---|---|---|
| Apr 10, 2001 | 2.75 inbaseball | Bellefontaine Neighb | St. Louis | $100.0 million | 20:32 local · NCEI |
| May 19, 2025 | 2.00 inhen egg | 0.88 SW Wedgewood | St. Louis | — | 20:01 local · NCEI |
| Jul 17, 2023 | 2.00 inhen egg | 1.93 WNW Cross Keys | St. Louis | — | 13:35 local · NCEI |
| May 19, 2025 | 1.75 ingolf ball | 0.69 S Cross Keys | St. Louis | — | 19:56 local · NCEI |
| Mar 2, 2012 | 1.75 ingolf ball | 0.27 W Burke City | St. Louis | — | 06:03 local · NCEI |
Size of every report
- Under 1 in 14 38%
- 1–2 in 20 54%
- 2 in + 3 8%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| May 19, 2025 | 2.00 inhen egg | 0.88 SW Wedgewood | St. Louis | 20:01 local · NCEI |
| May 19, 2025 | 1.00 inquarter | Cross Keys | St. Louis | 20:00 local · NCEI |
| May 19, 2025 | 1.75 ingolf ball | 0.69 S Cross Keys | St. Louis | 19:56 local · NCEI |
| Jul 17, 2023 | 2.00 inhen egg | 1.93 WNW Cross Keys | St. Louis | 13:35 local · NCEI |
| Jun 30, 2023 | 1.00 inquarter | 0.88 WSW Burke City | St. Louis | 20:15 local · NCEI |
| Mar 27, 2020 | 1.25 inhalf dollar | Florissant | St. Louis | 02:02 local · NCEI |
| Jun 1, 2019 | 1.00 inquarter | 0.74 NNW Burke City | St. Louis | 19:03 local · NCEI |
| May 26, 2018 | 0.88 innickel | 2.09 WNW Cross Keys | St. Louis | 23:55 local · NCEI |
| Apr 30, 2016 | 1.00 inquarter | Florissant | St. Louis | 18:15 local · NCEI |
| May 31, 2013 | 1.00 inquarter | 0.66 NNE Burke City | St. Louis | 19:23 local · NCEI |
| Sep 7, 2012 | 1.00 inquarter | Florissant | St. Louis | 16:10 local · NCEI |
| Mar 2, 2012 | 1.75 ingolf ball | 0.27 W Burke City | St. Louis | 06:03 local · NCEI |
Hail history near Florissant
- Hazelwood 6 km · 16
- Bridgeton 8 km · 45
- Spanish Lake 10 km · 12
- Overland 12 km · 13
- University City 15 km · 13
- St. Charles 16 km · 59
- Maryland Heights 16 km · 21
- Creve Coeur 18 km · 26
Questions about hail in Florissant
How often does it hail in Florissant, Missouri?
37 hail reports have been logged in and within about 5 km (3 miles) of Florissant since 1970. Over the 20 years 2006–2025 that averages 0.9 reports a year. That ranks #94 of 491 Missouri places by number of reports.
When is hail season in Florissant?
Most reports come in May, April, March. May alone accounts for 32% of all reports.
What is the largest hail recorded in Florissant?
2.75 in (baseball size) on April 10, 2001 near Bellefontaine Neighb. 8% of reports here were 2 inches or larger.
When did it last hail in Florissant?
The most recent report in this data is from May 19, 2025 (2.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Florissant had in the last five years?
3 separate days with hail reports since November 3, 2021, adding up to 5 reports. The most recent was May 19, 2025.
Where does this hail data come from?
Hail reports come from the NOAA NCEI Storm Events Database, which the National Weather Service compiles from spotter, public, law enforcement and media reports. Recent days use preliminary NWS Local Storm Reports via the Iowa Environmental Mesonet until NOAA publishes final data. Only reported hail is counted, so areas with fewer people tend to have fewer reports.