The most recent reported hail day was 2026-04-17, 105 days ago. Marshall County is hit in most years. The largest stone on record here is 1.75 inches, a golf ball and 1.8 times the National Weather Service's 1 inch severe criterion, reported on 2026-04-17 near Melbourne.
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 2026-04-17, around Melbourne. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Marshall County addresses inside a hail swath above your size threshold into a door-knock list you can export, scoped to your approved markets.
Get free access Check an addressOur US-based call center calls the homeowners in this storm and books roof inspections straight onto your calendar. You work the storm; we fill the schedule. We dial -- you do not have to knock a single door.
See call-center options ->NOAA's Storm Prediction Center has logged 26 separate hail days here since 2010 -- 1.5 a year over 17 years of record. They carry 46 reports in total: most hail days here are logged from a single spot. 5 of those 17 years produced none at all. One year dominates the record: 2023 alone produced 6 of the 26 days. The last five years have run hotter than the long-run rate: 10 days since 2022, against 1.3 a year before that.
No stone of 2 inches or more has ever been reported in Marshall County: all 26 hail days on record topped out below that. Golf-ball size is rarer still: 1.75 inches or more on 5 of the 26 days.
Across the whole of Iowa, see the Iowa hail map and history.
Reports cluster nearest Marshalltown -- 9 of the county's 26 hail days -- then Melbourne (6), State Center (5), Gilman (4) and Laurel (4). Beyond those, NOAA names Albion and Haverhill on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Melbourne | 5 | 1.75″ |
| State Center | 4 | 1.75″ |
| Gilman | 3 | 1.75″ |
| Marshalltown | 3 | 1.50″ |
| 2 WNW Marshalltown | 3 | 1.00″ |
The season runs April through June: 21 of the 26 hail days on record fall in those 3 months (81%). April is the single busiest month, with 10 of them (38%). That peak opens the window: the season starts at its worst and eases off from there. Hail has also been reported in March and July, outside that window. Reports span 5 of the 12 calendar months; the other 7 have never produced one.
| Month | Hail days |
|---|---|
| March | 2 |
| April | 10 |
| May | 7 |
| June | 4 |
| July | 3 |
That day put 3 reports on the map, the biggest 1.75 inches near Melbourne. 2 hail days have already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-04-17 | 1.75″ | 3 |
| 2026-04-15 | 1.00″ | 1 |
| 2025-04-23 | 1.00″ | 4 |
| 2023-07-28 | 1.00″ | 1 |
| 2023-07-13 | 1.00″ | 5 |
| 2023-05-07 | 1.75″ | 2 |
| 2023-04-19 | 1.00″ | 1 |
| 2023-04-04 | 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 1.75 inches, which is the red band. Look up a street address with the hail history by address tool.
The nearest counties with a page of their own: Jasper County (33 hail days), Tama County (19) and Story County (36). Marshall County sits in between.
Jasper County · Tama County · Story 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, Marshall County, Iowa only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.