Wibaux County was hit as recently as 2026-06-27, 34 days ago. Wibaux County is hit in most years. The largest stone on record here is 3 inches, a teacup and 3 times the National Weather Service's 1 inch severe criterion, reported on 2023-07-11 near Saint Phillip.
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 2026-06-27, around Wibaux. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Wibaux 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 28 separate hail days here since 2010 -- 1.6 a year over 17 years of record. They carry 42 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 2020, with 4 hail days. The last five years have been quieter than the long run: 5 days since 2022, against 1.9 a year before that.
3 of the 28 days reached 2 inches or more -- 11%, or about one hail day in 9, the last on 2023-07-11. They land in the same month as everything else, June. Golf-ball size is rarer still: 1.75 inches or more on 4 of the 28 days.
Across the whole of Montana, see the Montana hail map and history.
Reports cluster nearest Wibaux -- 17 of the county's 28 hail days -- then Se Wibaux (4), Yates (4), Saint Phillip (2) and Carlyle (2). That one town is named on 61% of them.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| 5 WNW Wibaux | 4 | 1.25″ |
| Se Wibaux | 4 | 1.25″ |
| 5 W Carlyle | 2 | 1.50″ |
| 2 W Yates | 2 | 1.00″ |
| 4 Ese Yates | 2 | 1.00″ |
The season runs May through July: 24 of the 28 hail days on record fall in those 3 months (86%). June is the single busiest month, with 11 of them (39%). That peak sits inside the window rather than at either end. Hail has also been reported in 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 | 3 |
| June | 11 |
| July | 10 |
| August | 3 |
| September | 1 |
That day put 1 report on the map, the biggest 1 inch near Wibaux. 1 hail day has already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-06-27 | 1.00″ | 1 |
| 2023-07-11 | 3.00″ | 1 |
| 2023-06-08 | 1.25″ | 2 |
| 2023-05-27 | 1.00″ | 1 |
| 2022-07-02 | 1.00″ | 4 |
| 2021-06-10 | 1.75″ | 1 |
| 2021-06-08 | 2.75″ | 4 |
| 2020-07-23 | 1.50″ | 3 |
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 3 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: Dawson County (37 hail days), Fallon County (41), Prairie County (33), Golden Valley County, North Dakota (23) and Billings County, North Dakota (23). Wibaux County sits in between.
Dawson County · Fallon County · Prairie County · Golden Valley County, North Dakota · Billings County, North Dakota
Back to the Montana hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Wibaux County, Montana only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.