Cass County, North Dakota Hail Map & History
Cass County was hit as recently as 2026-08-06, 39 days ago. Cass County is hit in most years, and usually several times over. The largest stone on record here is 2.5 inches, a tennis ball and 2.5 times the National Weather Service's 1 inch severe criterion, reported on 2018-08-25 near Davenport.
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 2026-08-06, around Leonard. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Cass 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 Cass County
NOAA's Storm Prediction Center has logged 61 separate hail days here since 2010 -- 3.6 a year over 17 years of record. Those days carry 148 separate reports between them, two or three on a typical one. No year since 2010 has gone by without at least one. The busiest single year was 2018, with 9 hail days. The last five years have been quieter than the long run: 12 days since 2022, against 4.1 a year before that.
6 of the 61 days reached 2 inches or more -- 10%, or about one hail day in 10, the last on 2023-07-13. Those big days do not follow the county's usual calendar: most of them fall in August, not June. 18 of the 61 days reached golf-ball size, 1.75 inches or bigger.
Across the whole of North Dakota, see the North Dakota hail map and history.
Hardest-hit places in Cass County
Reports cluster nearest Fargo -- 11 of the county's 61 hail days -- then Argusville (9), Leonard (9), Gardner (7) and Page (7). Beyond those, NOAA names West Fargo, Horace, Casselton, Alice, Kindred, Buffalo, Chaffee, Wheatland and Hunter on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| West Fargo | 5 | 1.75″ |
| Fargo | 4 | 2.00″ |
| Argusville | 4 | 1.75″ |
| Casselton | 3 | 1.50″ |
| Kindred | 2 | 2.00″ |
When it hails in Cass County
The season runs June through August: 55 of the 61 hail days on record fall in those 3 months (90%). June is the single busiest month, with 21 of them (34%). That peak opens the window: the season starts at its worst and eases off from there. 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 | 21 |
| July | 21 |
| August | 13 |
| September | 3 |
Recent Cass County hail days
That day put 1 report on the map, the biggest 1 inch near Leonard. 2 hail days have already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-08-06 | 1.00″ | 1 |
| 2026-06-29 | 1.25″ | 1 |
| 2025-06-28 | 1.00″ | 4 |
| 2025-06-20 | 1.00″ | 1 |
| 2025-06-15 | 1.00″ | 4 |
| 2024-05-16 | 1.00″ | 1 |
| 2023-07-13 | 2.00″ | 10 |
| 2023-06-07 | 1.75″ | 1 |
How to read the Cass 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 2.5 inches, which is the purple band. Look up a street address with the hail history by address tool.
Nearby counties
The nearest counties with a page of their own, over the state line included: Ransom County (25 hail days), Traill County (25), Richland County (39), Clay County, Minnesota (38) and Norman County, Minnesota (31). Cass County takes more hail than any of them.
Ransom County · Traill County · Richland County · Clay County, Minnesota · Norman County, Minnesota
Back to the North Dakota hail map or the U.S. hail map.
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Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Cass County, North Dakota only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.