Roosevelt County was hit as recently as 2026-06-06, 55 days ago. Roosevelt County is hit in most years, and usually several times over. The largest stone on record here is 4 inches, a grapefruit and 4 times the National Weather Service's 1 inch severe criterion, reported on 2016-06-18 near Wolf Point.
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 2026-06-06, around Culbertson. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Roosevelt 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 48 separate hail days here since 2010 -- 2.8 a year over 17 years of record. Those days carry 91 separate reports between them, two or three on a typical one. Exactly one year since 2010 passed with no reported hail day at all. The busiest single year was 2010, with 7 hail days. The last five years track the long-run rate, with 10 days since 2022.
5 of the 48 days reached 2 inches or more -- 10%, or about one hail day in 10, the last on 2019-09-19. They land in the same month as everything else, July. 15 of the 48 days reached golf-ball size, 1.75 inches or bigger.
Across the whole of Montana, see the Montana hail map and history.
Reports cluster nearest Wolf Point -- 16 of the county's 48 hail days -- then Brockton (11), Froid (9), Culbertson (8) and Poplar (5). Beyond those, NOAA names Bainville, Bredette, Fort Kipp, Medicine Lake, Volt and Lustre on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Wolf Point | 9 | 4.00″ |
| 11 Ene Froid | 4 | 1.25″ |
| Bainville | 3 | 1.75″ |
| Culbertson | 3 | 1.75″ |
| Fort Kipp | 2 | 1.75″ |
The season runs June through August: 40 of the 48 hail days on record fall in those 3 months (83%). July is the single busiest month, with 19 of them (40%). That peak sits inside the window rather than at either end. Hail has also been reported in May and September, outside that window. Reports span 5 of the 12 calendar months; the other 7 have never produced one.
| Month | Hail days |
|---|---|
| May | 3 |
| June | 16 |
| July | 19 |
| August | 5 |
| September | 5 |
That day put 1 report on the map, the biggest 1 inch near Culbertson. 1 hail day has already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-06-06 | 1.00″ | 1 |
| 2025-06-26 | 1.00″ | 1 |
| 2024-09-17 | 1.25″ | 1 |
| 2024-08-24 | 1.00″ | 1 |
| 2024-07-12 | 1.75″ | 1 |
| 2024-06-23 | 1.50″ | 1 |
| 2023-07-30 | 1.00″ | 1 |
| 2023-07-22 | 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 4 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: Sheridan County (32 hail days), Richland County (40) and Daniels County (25). Roosevelt County takes more hail than any of them.
Sheridan County · Richland County · Daniels 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, Roosevelt County, Montana only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.