Macon County was hit as recently as 2026-06-17, 44 days ago. Macon County has recorded hail in nearly every year on the archive. 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 2024-03-31 near Decatur.
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 Niantic. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Macon 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 57 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 2026, with 3 hail days. The last five years have run hotter than the long-run rate: 10 days since 2022, against 1.2 a year before that.
Most hail here stays under 2 inches: only 2 of the 24 days on record passed it, 8%, the last on 2026-06-17. They land in the same month as everything else, March. Golf-ball size is rarer still: 1.75 inches or more on 5 of the 24 days.
Across the whole of Illinois, see the Illinois hail map and history.
Reports cluster nearest Mount Zion -- 7 of the county's 24 hail days -- then Decatur (5), Oakley (4), Macon (4) and Forsyth (3). Beyond those, NOAA names Niantic, Blue Mound, Boody, Long Creek, Decatur Airport and Argenta on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Mount Zion | 7 | 1.75″ |
| Oakley | 3 | 1.75″ |
| Decatur | 3 | 1.00″ |
| Blue Mound | 2 | 1.75″ |
| Boody | 2 | 1.75″ |
The season runs March through June: 20 of the 24 hail days on record fall in those 4 months (83%). March 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 August, September, November and December, outside that window. Reports span 8 of the 12 calendar months; the other 4 have never produced one.
| Month | Hail days |
|---|---|
| March | 6 |
| April | 3 |
| May | 6 |
| June | 5 |
| August | 1 |
| September | 1 |
| November | 1 |
| December | 1 |
That day put 8 reports on the map, the biggest 2 inches near Niantic. 3 hail days have already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-06-17 | 2.00″ | 8 |
| 2026-03-26 | 1.00″ | 1 |
| 2026-03-10 | 1.50″ | 1 |
| 2025-11-18 | 1.00″ | 1 |
| 2025-05-20 | 1.00″ | 1 |
| 2025-03-19 | 1.00″ | 2 |
| 2024-05-19 | 1.50″ | 2 |
| 2024-03-31 | 2.50″ | 18 |
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: Moultrie County (16 hail days), Christian County (29) and Logan County (18). Macon County sits in between.
Moultrie County · Christian 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, Macon County, Illinois only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.