The most recent reported hail day was 2025-07-27, 369 days ago. Wheatland County is hit in about half the years on record. 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 2013-07-08 near Twodot.
Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in Montana. Radar-indicated, not a guarantee of damage.
The last hail here fell on 2025-07-27, around Harlowton. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Wheatland 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 16 separate hail days here since 2010 -- 0.9 a year over 17 years of record. They carry 27 reports in total: most hail days here are logged from a single spot. 8 of those 17 years produced none at all. The busiest single year was 2025, with 3 hail days. The last five years track the long-run rate, with 5 days since 2022.
3 of the 16 days reached 2 inches or more -- 19%, or about one hail day in 5, the last on 2025-07-21. They land in the same month as everything else, July. More than half of every hail day on record here -- 10 of 16 -- reached golf-ball size, 1.75 inches or bigger.
Across the whole of Montana, see the Montana hail map and history.
Reports cluster nearest Harlowton -- 6 of the county's 16 hail days -- then Twodot (4) and Shawmut (4).
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Shawmut | 3 | 2.00″ |
| Harlowton | 2 | 1.75″ |
| 11 NNW Harlowton | 2 | 1.00″ |
| 12 S Twodot | 1 | 2.75″ |
| 4 NE Harlowton | 1 | 2.00″ |
The season runs June through July: 13 of the 16 hail days on record fall in those 2 months (81%). July is the single busiest month, with 9 of them (56%). Hail has also been reported in May, August and September, outside that window. Reports span 5 of the 12 calendar months; the other 7 have never produced one.
| Month | Hail days |
|---|---|
| May | 1 |
| June | 4 |
| July | 9 |
| August | 1 |
| September | 1 |
That day put 1 report on the map, the biggest 1 inch near Harlowton. No hail day has been reported here yet this year.
| Date | Max hail | Reports |
|---|---|---|
| 2025-07-27 | 1.00″ | 1 |
| 2025-07-21 | 2.00″ | 3 |
| 2025-06-13 | 2.00″ | 2 |
| 2022-07-09 | 1.75″ | 4 |
| 2022-07-04 | 1.75″ | 2 |
| 2021-06-04 | 1.75″ | 1 |
| 2020-07-07 | 1.75″ | 1 |
| 2019-08-11 | 1.50″ | 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 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: Golden Valley County (21 hail days), Sweet Grass County (25) and Judith Basin County (33). Every one of them takes more hail than Wheatland County.
Golden Valley County · Sweet Grass County · Judith Basin County
Back to the Montana hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Wheatland County, Montana only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.