Sangamon County was hit as recently as 2026-06-17, 44 days ago. Sangamon County is hit in most years, and usually several times over. The largest stone on record here is 3.25 inches and 3.2 times the National Weather Service's 1 inch severe criterion, reported on 2023-05-07 near Chatham.
Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in Illinois. Radar-indicated, not a guarantee of damage.
The last hail here fell on 2026-06-17, around Illiopolis. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Sangamon 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 48 separate hail days here since 2010 -- 2.8 a year over 17 years of record. Those days carry 127 separate reports between them, two or three on a typical one. 2 of those 17 years produced none at all. The busiest single year was 2011, with 7 hail days. The last five years have run hotter than the long-run rate: 19 days since 2022, against 2.4 a year before that.
5 of the 48 days reached 2 inches or more -- 10%, or about one hail day in 10, the last on 2025-05-20. Those big days do not follow the county's usual calendar: most of them fall in April, not May. 13 of the 48 days reached golf-ball size, 1.75 inches or bigger.
Across the whole of Illinois, see the Illinois hail map and history.
Reports cluster nearest Chatham -- 10 of the county's 48 hail days -- then Springfield (10), Pawnee (6), Sherman (5) and Auburn (5). Beyond those, NOAA names New Berlin, Glenarm, Divernon, Pleasant Plains, Leland Grove, Williamsville, Berry, Southern View and Curran on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Chatham | 7 | 3.25″ |
| Springfield | 7 | 2.00″ |
| Pawnee | 6 | 1.75″ |
| Sherman | 5 | 1.25″ |
| Auburn | 3 | 2.00″ |
The season runs March through July: 41 of the 48 hail days on record fall in those 5 months (85%). May is the single busiest month, with 12 of them (25%). That peak sits inside the window rather than at either end. Hail has also been reported in January, August, September and December, outside that window. February, October and November are the only months that have never produced a reported hail day.
| Month | Hail days |
|---|---|
| January | 1 |
| March | 8 |
| April | 11 |
| May | 12 |
| June | 6 |
| July | 4 |
| August | 3 |
| September | 2 |
| December | 1 |
That day put 4 reports on the map, the biggest 1.75 inches near Illiopolis. 3 hail days have already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-06-17 | 1.75″ | 4 |
| 2026-04-27 | 1.50″ | 10 |
| 2026-03-03 | 1.00″ | 1 |
| 2025-05-20 | 2.00″ | 9 |
| 2025-05-19 | 1.00″ | 1 |
| 2025-05-16 | 1.75″ | 2 |
| 2025-05-15 | 1.75″ | 1 |
| 2025-04-30 | 1.00″ | 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 3.25 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: Menard County (16 hail days), Christian County (29) and Morgan County (24). Sangamon County takes more hail than any of them.
Menard County · Christian County · Morgan County
Back to the Illinois hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Sangamon County, Illinois only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.