Knox County was hit as recently as 2026-06-29, 32 days ago. Knox County is hit in most years, and usually several times over. The largest stone on record here is 4.25 inches and 4.2 times the National Weather Service's 1 inch severe criterion, reported on 2011-08-18 near Bloomfield.
Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in Nebraska. Radar-indicated, not a guarantee of damage.
The last hail here fell on 2026-06-29, around Center. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Knox 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 50 separate hail days here since 2010 -- 2.9 a year over 17 years of record. They carry 88 reports in total: most hail days here are logged from a single spot. No year since 2010 has gone by without at least one. The busiest single year was 2023, with 5 hail days. The last five years track the long-run rate, with 16 days since 2022.
8 of the 50 days reached 2 inches or more -- 16%, or about one hail day in 6, the last on 2025-07-07. They land in the same month as everything else, July. 20 of the 50 days reached golf-ball size, 1.75 inches or bigger.
Across the whole of Nebraska, see the Nebraska hail map and history.
Reports cluster nearest Bloomfield -- 11 of the county's 50 hail days -- then Verdigre (11), Santee (8), Niobrara (7) and Center (7). Beyond those, NOAA names Crofton, Creighton, Winnetoon, Orchard and Verdel on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Santee | 5 | 1.50″ |
| Creighton | 4 | 2.25″ |
| Niobrara | 4 | 1.75″ |
| Verdigre | 3 | 2.50″ |
| Bloomfield | 3 | 2.00″ |
The season runs May through August: 42 of the 50 hail days on record fall in those 4 months (84%). July is the single busiest month, with 15 of them (30%). That peak sits inside the window rather than at either end. Hail has also been reported in March, April and September, outside that window. Reports span 7 of the 12 calendar months; the other 5 have never produced one.
| Month | Hail days |
|---|---|
| March | 1 |
| April | 2 |
| May | 8 |
| June | 11 |
| July | 15 |
| August | 8 |
| September | 5 |
That day put 5 reports on the map, the biggest 1.75 inches near Center. 1 hail day has already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-06-29 | 1.75″ | 5 |
| 2025-07-28 | 1.00″ | 1 |
| 2025-07-19 | 1.00″ | 1 |
| 2025-07-07 | 2.00″ | 1 |
| 2025-04-28 | 1.30″ | 2 |
| 2024-07-28 | 1.50″ | 1 |
| 2024-06-25 | 2.00″ | 6 |
| 2024-05-20 | 1.75″ | 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 4.25 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: Pierce County (32 hail days), Cedar County (32), Antelope County (33), Bon Homme County, South Dakota (35) and Yankton County, South Dakota (37). Knox County takes more hail than any of them.
Pierce County · Cedar County · Antelope County · Bon Homme County, South Dakota · Yankton County, South Dakota
Back to the Nebraska hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Knox County, Nebraska only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.