Grant County, Indiana Hail Map & History
Grant County was hit as recently as 2026-08-13, 32 days ago. Grant County is hit in about half the years on record. 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 2026-04-14 near Marion.
Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in Indiana. Radar-indicated, not a guarantee of damage.
The last hail here fell on 2026-08-13, around Rigdon. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Grant 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 ->How often it hails in Grant County
NOAA's Storm Prediction Center has logged 18 separate hail days here since 2010 -- 1.1 a year over 17 years of record. Those days carry 38 separate reports between them, two or three on a typical one. 7 of those 17 years produced none at all. One year dominates the record: 2026 alone produced 5 of the 18 days. The last five years have run hotter than the long-run rate: 8 days since 2022, against 0.8 a year before that.
No stone of 2 inches or more has ever been reported in Grant County: all 18 hail days on record topped out below that. 7 of the 18 days reached golf-ball size, 1.75 inches or bigger.
Across the whole of Indiana, see the Indiana hail map and history.
Hardest-hit places in Grant County
Reports cluster nearest Marion -- 9 of the county's 18 hail days -- then Gas City (3), Jalapa (2), Rigdon (2) and Upland (2). That one town is named on 50% of them.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Gas City | 2 | 1.50″ |
| 1 NE Rigdon | 2 | 1.00″ |
| 2 NNW Marion | 2 | 1.00″ |
| Marion | 2 | 1.00″ |
| 1 E Jalapa | 1 | 1.75″ |
When it hails in Grant County
The season runs March through August: 17 of the 18 hail days on record fall in those 6 months (94%). May is the single busiest month, with 6 of them (33%). That peak sits inside the window rather than at either end. Hail has also been reported in October, outside that window. Reports span 6 of the 12 calendar months; the other 6 have never produced one.
| Month | Hail days |
|---|---|
| March | 3 |
| April | 2 |
| May | 6 |
| June | 1 |
| August | 5 |
| October | 1 |
Recent Grant County hail days
That day put 1 report on the map, the biggest 1 inch near Rigdon. 5 hail days have already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-08-13 | 1.00″ | 1 |
| 2026-08-11 | 1.00″ | 1 |
| 2026-04-14 | 1.75″ | 3 |
| 2026-03-26 | 1.50″ | 3 |
| 2026-03-22 | 1.00″ | 7 |
| 2024-05-07 | 1.00″ | 1 |
| 2024-03-14 | 1.00″ | 3 |
| 2023-08-17 | 1.25″ | 1 |
How to read the Grant County map
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.
Nearby counties
The nearest counties with a page of their own: Huntington County (25 hail days), Miami County (13) and Madison County (22). Grant County sits in between.
Huntington County · Miami County · Madison County
Back to the Indiana hail map or the U.S. hail map.
FAQ
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Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Grant County, Indiana only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.