The most recent reported hail day was 2025-08-11, 354 days ago. Sargent 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 2018-07-02 near Cogswell.
Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in North Dakota. Radar-indicated, not a guarantee of damage.
The last hail here fell on 2025-08-11, around Gwinner. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Sargent 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 25 separate hail days here since 2010 -- 1.5 a year over 17 years of record. They carry 41 reports in total: most hail days here are logged from a single spot. 5 of those 17 years produced none at all. The busiest single year was 2025, with 3 hail days. The last five years have been quieter than the long run: 4 days since 2022, against 1.8 a year before that.
Most hail here stays under 2 inches: only 1 of the 25 days on record passed it, 4%, the last on 2018-07-02. They land in the same month as everything else, July. Golf-ball size is rarer still: 1.75 inches or more on 4 of the 25 days.
Across the whole of North Dakota, see the North Dakota hail map and history.
Reports cluster nearest Gwinner -- 5 of the county's 25 hail days -- then Cogswell (4), Rutland (4), Brampton (4) and Cayuga (4). Beyond those, NOAA names Forman, Straubville, Milnor, Stirum, Crete and Geneseo on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Rutland | 3 | 1.50″ |
| Forman | 2 | 1.00″ |
| Cogswell | 1 | 2.75″ |
| 3 N Stirum | 1 | 1.75″ |
| 3 W Cogswell | 1 | 1.75″ |
The season runs June through September: 21 of the 25 hail days on record fall in those 4 months (84%). July is the single busiest month, with 8 of them (32%). That peak sits inside the window rather than at either end. Hail has also been reported in May, outside that window. Reports span 5 of the 12 calendar months; the other 7 have never produced one.
| Month | Hail days |
|---|---|
| May | 4 |
| June | 6 |
| July | 8 |
| August | 2 |
| September | 5 |
That day put 1 report on the map, the biggest 1.5 inches near Gwinner. No hail day has been reported here yet this year.
| Date | Max hail | Reports |
|---|---|---|
| 2025-08-11 | 1.50″ | 1 |
| 2025-07-28 | 1.25″ | 2 |
| 2025-07-14 | 1.00″ | 1 |
| 2022-07-20 | 1.25″ | 4 |
| 2020-07-31 | 1.25″ | 1 |
| 2020-07-05 | 1.00″ | 1 |
| 2019-09-19 | 1.00″ | 1 |
| 2018-07-08 | 1.75″ | 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, over the state line included: Ransom County (25 hail days), Dickey County (29), Richland County (39) and Marshall County, South Dakota (18). Sargent County sits in between.
Ransom County · Dickey County · Richland County · Marshall County, South Dakota
Back to the North Dakota hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Sargent County, North Dakota only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.