Greene County was hit as recently as 2026-06-01, 60 days ago. Greene County is hit in most years. The largest stone on record here is 2.75 inches, a baseball and 2.8 times the National Weather Service's 1 inch severe criterion, reported on 2014-06-30 near Grand Junction.
Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in Iowa. Radar-indicated, not a guarantee of damage.
The last hail here fell on 2026-06-01, around Jefferson. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Greene 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. They carry 38 reports in total: most hail days here are logged from a single spot. 4 of those 17 years produced none at all. The busiest single year was 2018, with 3 hail days. The last five years track the long-run rate, with 6 days since 2022.
3 of the 24 days reached 2 inches or more -- 12%, or about one hail day in 8, the last on 2022-06-11. They land in the same month as everything else, June. 7 of the 24 days reached golf-ball size, 1.75 inches or bigger.
Across the whole of Iowa, see the Iowa hail map and history.
Reports cluster nearest Scranton -- 8 of the county's 24 hail days -- then Jefferson (8), Churdan (6), Paton (2) and Rippey (2).
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Scranton | 5 | 1.50″ |
| Churdan | 3 | 1.75″ |
| 6 S Jefferson | 2 | 1.00″ |
| Rippey | 2 | 1.00″ |
| Grand Junction | 1 | 2.75″ |
The season runs April through August: 21 of the 24 hail days on record fall in those 5 months (88%). June is the single busiest month, with 8 of them (33%). That peak sits inside the window rather than at either end. Hail has also been reported in March and September, outside that window. Reports span 7 of the 12 calendar months; the other 5 have never produced one.
| Month | Hail days |
|---|---|
| March | 1 |
| April | 5 |
| May | 5 |
| June | 8 |
| July | 1 |
| August | 2 |
| September | 2 |
That day put 1 report on the map, the biggest 1 inch near Jefferson. 2 hail days have already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-06-01 | 1.00″ | 1 |
| 2026-04-15 | 1.00″ | 2 |
| 2024-06-04 | 1.00″ | 1 |
| 2024-04-30 | 1.00″ | 1 |
| 2023-05-07 | 1.75″ | 1 |
| 2022-06-11 | 2.50″ | 2 |
| 2021-06-22 | 1.50″ | 2 |
| 2019-09-14 | 1.00″ | 2 |
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 2.75 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: Carroll County (17 hail days), Guthrie County (26) and Boone County (25). Greene County sits in between.
Carroll County · Guthrie County · Boone County
Back to the Iowa hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Greene County, Iowa only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.