St. Clair County was hit as recently as 2026-06-11, 50 days ago. St. Clair County is hit in most years, and usually several times over. The largest stone on record here is 3 inches, a teacup and 3 times the National Weather Service's 1 inch severe criterion, reported on 2026-04-26 near Collins.
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 2026-06-11, around Appleton City. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls St. Clair County addresses inside a hail swath above your size threshold into a door-knock list you can export, scoped to your approved markets.
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See call-center options ->NOAA's Storm Prediction Center has logged 34 separate hail days here since 2010 -- 2.0 a year over 17 years of record. They carry 49 reports in total: most hail days here are logged from a single spot. 2 of those 17 years produced none at all. The busiest single year was 2011, with 6 hail days. The last five years track the long-run rate, with 10 days since 2022.
Most hail here stays under 2 inches: only 3 of the 34 days on record passed it, 9%, the last on 2026-06-11. Those big days do not follow the county's usual calendar: most of them fall in April, not May. 9 of the 34 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 Appleton City -- 9 of the county's 34 hail days -- then Osceola (8), Collins (4), Lowry City (4) and Vista (3). Beyond those, NOAA names Iconium, Gerster, Johnson City and Roscoe on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Appleton City | 8 | 2.00″ |
| Osceola | 4 | 1.75″ |
| Collins | 3 | 1.75″ |
| Vista | 2 | 2.50″ |
| 2 WSW Iconium | 2 | 1.75″ |
The season runs March through June: 28 of the 34 hail days on record fall in those 4 months (82%). May is the single busiest month, with 14 of them (41%). That peak sits inside the window rather than at either end. Hail has also been reported in February, July and August, outside that window. Reports span 7 of the 12 calendar months; the other 5 have never produced one.
| Month | Hail days |
|---|---|
| February | 2 |
| March | 4 |
| April | 4 |
| May | 14 |
| June | 6 |
| July | 3 |
| August | 1 |
That day put 1 report on the map, the biggest 2 inches near Appleton City. 2 hail days have already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-06-11 | 2.00″ | 1 |
| 2026-04-26 | 3.00″ | 1 |
| 2025-06-08 | 1.25″ | 1 |
| 2025-03-22 | 1.50″ | 2 |
| 2024-06-08 | 1.00″ | 1 |
| 2024-05-26 | 2.50″ | 4 |
| 2024-05-21 | 1.00″ | 1 |
| 2024-05-08 | 1.50″ | 1 |
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 3 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: Cedar County (25 hail days), Henry County (25) and Hickory County (22). St. Clair County takes more hail than any of them.
Cedar County · Henry County · Hickory County
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. Clair County, Missouri only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.