Cavalier County was hit as recently as 2026-07-09, 22 days ago. Cavalier County is hit in most years. 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 2014-07-05 near Langdon.
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 2026-07-09, around Munich. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Cavalier 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 26 separate hail days here since 2010 -- 1.5 a year over 17 years of record. Those days carry 49 separate reports between them, two or three on a typical one. 4 of those 17 years produced none at all. The busiest single year was 2020, with 3 hail days. The last five years have been quieter than the long run: 5 days since 2022, against 1.8 a year before that.
Most hail here stays under 2 inches: only 2 of the 26 days on record passed it, 8%, the last on 2018-06-14. Those big days do not follow the county's usual calendar: most of them fall in June, not July. Golf-ball size is rarer still: 1.75 inches or more on 5 of the 26 days.
Across the whole of North Dakota, see the North Dakota hail map and history.
Reports cluster nearest Langdon -- 6 of the county's 26 hail days -- then Hannah (4), Osnabrock (4), Munich (3) and Wales (3). Beyond those, NOAA names Maida, Clyde, Walhalla, Calio, Olga and Alsen on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| 14 W Langdon | 2 | 2.00″ |
| 1 N Hannah | 2 | 1.00″ |
| 2 S Alsen | 2 | 1.00″ |
| 13 N Langdon | 1 | 4.00″ |
| 13 Nne Langdon | 1 | 4.00″ |
The season runs June through August: 23 of the 26 hail days on record fall in those 3 months (88%). July is the single busiest month, with 14 of them (54%). 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 | 1 |
| June | 5 |
| July | 14 |
| August | 4 |
| September | 2 |
That day put 2 reports on the map, the biggest 1 inch near Munich. 2 hail days have already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-07-09 | 1.00″ | 2 |
| 2026-06-02 | 1.00″ | 2 |
| 2025-09-01 | 1.00″ | 1 |
| 2025-06-22 | 1.00″ | 1 |
| 2022-07-18 | 1.00″ | 1 |
| 2021-08-09 | 1.50″ | 2 |
| 2020-08-09 | 1.00″ | 1 |
| 2020-07-25 | 1.50″ | 2 |
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: Towner County (29 hail days), Ramsey County (33) and Pembina County (35). Every one of them takes more hail than Cavalier County.
Towner County · Ramsey County · Pembina County
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, Cavalier County, North Dakota only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.