The most recent reported hail day was 2026-04-27, 95 days ago. St. Francois County is hit in most years. 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 2015-04-08 near Farmington.
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 2026-04-27, around Farmington. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls St. Francois 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 28 separate hail days here since 2010 -- 1.6 a year over 17 years of record. Those days carry 87 separate reports between them, better than three on a typical one. 3 of those 17 years produced none at all. One year dominates the record: 2011 alone produced 6 of the 28 days. The last five years track the long-run rate, with 8 days since 2022.
5 of the 28 days reached 2 inches or more -- 18%, or about one hail day in 6, the last on 2026-04-26. They land in the same month as everything else, May. 9 of the 28 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 Farmington -- 10 of the county's 28 hail days -- then Bonne Terre (7), Desloge (5), Park Hills (5) and Leadington (5). Beyond those, NOAA names Bismarck, Doe Run, French Village, Blackwell and Iron Mountain on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Farmington | 6 | 3.00″ |
| Park Hills | 5 | 2.50″ |
| Desloge | 4 | 2.75″ |
| Bonne Terre | 4 | 1.75″ |
| Leadington | 4 | 1.75″ |
The season runs February through June: 24 of the 28 hail days on record fall in those 5 months (86%). May is the single busiest month, with 8 of them (29%). That peak sits inside the window rather than at either end. Hail has also been reported in July, October and November, outside that window. Reports span 8 of the 12 calendar months; the other 4 have never produced one.
| Month | Hail days |
|---|---|
| February | 2 |
| March | 3 |
| April | 5 |
| May | 8 |
| June | 6 |
| July | 2 |
| October | 1 |
| November | 1 |
That day put 1 report on the map, the biggest 1.25 inches near Farmington. 2 hail days have already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-04-27 | 1.25″ | 1 |
| 2026-04-26 | 2.50″ | 16 |
| 2025-05-16 | 1.75″ | 6 |
| 2025-03-30 | 1.75″ | 5 |
| 2024-05-08 | 2.00″ | 8 |
| 2024-05-07 | 2.00″ | 1 |
| 2023-02-15 | 1.00″ | 3 |
| 2022-05-15 | 1.75″ | 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: Washington County (29 hail days), Ste. Genevieve County (13) and Iron County (18). St. Francois County sits in between.
Washington County · Ste. Genevieve County · Iron 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. Francois County, Missouri only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.