The most recent reported hail day was 2026-04-03, 119 days ago. McLean County has recorded hail in nearly every year on the archive. The largest stone on record here is 4 inches, a grapefruit and 4 times the National Weather Service's 1 inch severe criterion, reported on 2013-11-17 near Bloomington.
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 2026-04-03, around Danvers. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls McLean 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 24 separate hail days here since 2010 -- 1.4 a year over 17 years of record. Those days carry 67 separate reports between them, two or three on a typical one. Exactly one year since 2010 passed with no reported hail day at all. The busiest single year was 2026, with 2 hail days. The last five years track the long-run rate, with 9 days since 2022.
4 of the 24 days reached 2 inches or more -- 17%, or about one hail day in 6, the last on 2025-05-15. Those big days do not follow the county's usual calendar: most of them fall in May, not April. 7 of the 24 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 Normal -- 7 of the county's 24 hail days -- then Bloomington (6), Shirley (4), Chenoa (3) and Heyworth (3). Beyond those, NOAA names Bellflower, Downs and Stanford on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Normal | 3 | 2.75″ |
| Chenoa | 3 | 1.75″ |
| Bloomington | 3 | 1.00″ |
| 2 SW Bloomington | 2 | 4.00″ |
| 1 N Normal | 2 | 2.00″ |
The season runs April through September: 20 of the 24 hail days on record fall in those 6 months (83%). April is the single busiest month, with 6 of them (25%). That peak opens the window: the season starts at its worst and eases off from there. Hail has also been reported in February, March and November, outside that window. January, October and December are the only months that have never produced a reported hail day.
| Month | Hail days |
|---|---|
| February | 1 |
| March | 1 |
| April | 6 |
| May | 4 |
| June | 3 |
| July | 3 |
| August | 1 |
| September | 3 |
| November | 2 |
That day put 1 report on the map, the biggest 1 inch near Danvers. 2 hail days have already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-04-03 | 1.00″ | 1 |
| 2026-03-26 | 1.00″ | 3 |
| 2025-05-15 | 2.50″ | 23 |
| 2025-04-02 | 1.25″ | 2 |
| 2024-07-14 | 1.00″ | 1 |
| 2023-06-28 | 1.50″ | 3 |
| 2023-04-19 | 2.50″ | 6 |
| 2022-09-18 | 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 4 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: Woodford County (24 hail days), Tazewell County (38) and Logan County (18). McLean County sits in between.
Woodford County · Tazewell County · Logan 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, McLean County, Illinois only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.