The most recent reported hail day was 2025-05-16 -- 1 year ago, with nothing reported since. Randolph County is hit in most years. The largest stone on record here is 2.5 inches, a tennis ball and 2.5 times the National Weather Service's 1 inch severe criterion, reported on 2024-05-08 near Ellis Grove.
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 2025-05-16, around Red Bud. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Randolph 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 21 separate hail days here since 2010 -- 1.2 a year over 17 years of record. Those days carry 39 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 2024, with 4 hail days. The last five years have run hotter than the long-run rate: 9 days since 2022, against 1.0 a year before that.
3 of the 21 days reached 2 inches or more -- 14%, or about one hail day in 7, the last on 2025-05-16. They land in the same month as everything else, May. 9 of the 21 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 Red Bud -- 5 of the county's 21 hail days -- then Chester (4), Evansville (4), Ellis Grove (3) and Ruma (2). Beyond those, NOAA names Baldwin on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Red Bud | 5 | 2.00″ |
| Ellis Grove | 3 | 2.50″ |
| Evansville | 2 | 1.75″ |
| 1 S Red Bud | 1 | 1.75″ |
| 1 Se Chester | 1 | 1.75″ |
The season runs February through July: 18 of the 21 hail days on record fall in those 6 months (86%). May is the single busiest month, with 5 of them (24%). That peak sits inside the window rather than at either end. Hail has also been reported in August, October and November, outside that window. January, September and December are the only months that have never produced a reported hail day.
| Month | Hail days |
|---|---|
| February | 2 |
| March | 4 |
| April | 4 |
| May | 5 |
| June | 1 |
| July | 2 |
| August | 1 |
| October | 1 |
| November | 1 |
That day put 3 reports on the map, the biggest 2 inches near Red Bud. No hail day has been reported here yet this year.
| Date | Max hail | Reports |
|---|---|---|
| 2025-05-16 | 2.00″ | 3 |
| 2025-03-30 | 1.75″ | 2 |
| 2024-05-08 | 2.50″ | 5 |
| 2024-04-01 | 1.00″ | 1 |
| 2024-03-13 | 1.75″ | 2 |
| 2024-02-09 | 1.00″ | 1 |
| 2022-08-20 | 1.00″ | 1 |
| 2022-04-30 | 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 2.5 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: Monroe County (24 hail days), St. Clair County (47), Perry County (17), Ste. Genevieve County, Missouri (13) and Perry County, Missouri (15). Randolph County sits in between.
Monroe County · St. Clair County · Perry County · Ste. Genevieve County, Missouri · Perry County, Missouri
Back to the Illinois hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Randolph County, Illinois only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.