The most recent reported hail day was 2026-04-26, 96 days ago. St. Louis City is hit in most years. The largest stone on record here is 4.5 inches, a softball and 4.5 times the National Weather Service's 1 inch severe criterion, reported on 2011-05-25 near St. Louis.
Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in Missouri. Radar-indicated, not a guarantee of damage.
The last hail here fell on 2026-04-26, around Saint Louis. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls St. Louis City addresses inside a hail swath above your size threshold into a door-knock list you can export, scoped to your approved markets.
Get free access Check an addressOur US-based call center calls the homeowners in this storm and books roof inspections straight onto your calendar. You work the storm; we fill the schedule. We dial -- you do not have to knock a single door.
See call-center options ->NOAA's Storm Prediction Center has logged 26 separate hail days here since 2010 -- 1.5 a year over 17 years of record. Those days carry 76 separate reports between them, two or three on a typical one. 5 of those 17 years produced none at all. The busiest single year was 2023, with 4 hail days. The last five years track the long-run rate, with 8 days since 2022.
5 of the 26 days reached 2 inches or more -- 19%, or about one hail day in 5, the last on 2025-03-14. Those big days do not follow the county's usual calendar: most of them fall in May, not April. 8 of the 26 days reached golf-ball size, 1.75 inches or bigger.
Across the whole of Missouri, see the Missouri hail map and history.
Reports cluster nearest St. Louis -- 13 of the city's 26 hail days -- then Saint Louis (8), Shrewsbury (7), Lemay (3) and Maplewood (3). That one town is named on 50% of them.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| St. Louis | 13 | 4.50″ |
| 3 E Shrewsbury | 3 | 1.25″ |
| 2 E Shrewsbury | 3 | 1.00″ |
| 3 S Saint Louis | 2 | 2.00″ |
| 3 NE Lemay | 2 | 1.75″ |
The season runs February through July: 21 of the 26 hail days on record fall in those 6 months (81%). April is the single busiest month, with 6 of them (23%). That peak sits inside the window rather than at either end. Hail has also been reported in August, September, October and November, outside that window. January and December are the only months that have never produced a reported hail day.
| Month | Hail days |
|---|---|
| February | 1 |
| March | 3 |
| April | 6 |
| May | 5 |
| June | 3 |
| July | 3 |
| August | 1 |
| September | 1 |
| October | 2 |
| November | 1 |
That day put 6 reports on the map, the biggest 1.5 inches near Saint Louis. 1 hail day has already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-04-26 | 1.50″ | 6 |
| 2025-03-14 | 2.00″ | 11 |
| 2024-05-26 | 2.00″ | 9 |
| 2024-03-14 | 1.00″ | 5 |
| 2023-07-14 | 1.00″ | 1 |
| 2023-06-04 | 1.00″ | 1 |
| 2023-05-13 | 1.25″ | 1 |
| 2023-04-15 | 1.00″ | 2 |
The colored swath is NOAA's MRMS radar estimate of the largest hail per ~1 km cell; the dots are SPC ground reports. Yellow is about an inch, red 1.5 to 2″, purple 2″ and up (hail size vs roof damage). On this county's worst day the reports reached 4.5 inches, which is the purple band. Look up a street address with the hail history by address tool.
The nearest counties with a page of their own, over the state line included: St. Louis County (67 hail days), Jefferson County (53), St. Charles County (55), St. Clair County, Illinois (47) and Madison County, Illinois (54). Every one of them takes more hail than St. Louis City.
St. Louis County · Jefferson County · St. Charles County · St. Clair County, Illinois · Madison County, Illinois
Back to the Missouri hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, St. Louis City, Missouri only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.