Boone County, Nebraska Hail Map & History
Boone County was hit as recently as 2026-08-17, 28 days ago. Boone County has recorded hail in nearly every year on the archive. 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 2012-04-14 near Petersburg.
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 2026-08-17, around Cedar Rapids. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Boone 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 Boone County
NOAA's Storm Prediction Center has logged 33 separate hail days here since 2010 -- 1.9 a year over 17 years of record. They carry 55 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 2012, with 6 hail days. The last five years track the long-run rate, with 9 days since 2022.
Most hail here stays under 2 inches: only 3 of the 33 days on record passed it, 9%, the last on 2022-06-06. Those big days do not follow the county's usual calendar: most of them fall in April, not June. 12 of the 33 days reached golf-ball size, 1.75 inches or bigger.
Across the whole of Nebraska, see the Nebraska hail map and history.
Hardest-hit places in Boone County
Reports cluster nearest Petersburg -- 11 of the county's 33 hail days -- then Albion (8), Cedar Rapids (8), Primrose (5) and Newman Grove (3). Beyond those, NOAA names St. Edward on more than one hail day apiece.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Albion | 6 | 2.50″ |
| Petersburg | 6 | 1.75″ |
| Cedar Rapids | 5 | 1.75″ |
| Primrose | 3 | 1.75″ |
| 3 W Petersburg | 2 | 2.75″ |
When it hails in Boone County
The season runs April through August: 30 of the 33 hail days on record fall in those 5 months (91%). June is the single busiest month, with 14 of them (42%). That peak sits inside the window rather than at either end. Hail has also been reported in March 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 | 5 |
| May | 3 |
| June | 14 |
| July | 3 |
| August | 5 |
| September | 2 |
Recent Boone County hail days
That day put 1 report on the map, the biggest 1.75 inches near Cedar Rapids. 1 hail day has already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-08-17 | 1.75″ | 1 |
| 2025-06-16 | 1.00″ | 2 |
| 2024-06-25 | 1.00″ | 1 |
| 2024-04-26 | 1.75″ | 1 |
| 2023-09-23 | 1.00″ | 1 |
| 2023-06-16 | 1.00″ | 1 |
| 2023-06-09 | 1.00″ | 1 |
| 2022-07-23 | 1.50″ | 2 |
How to read the Boone 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 3 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: Nance County (22 hail days), Wheeler County (26) and Greeley County (29). Boone County takes more hail than any of them.
Nance County · Wheeler County · Greeley County
Back to the Nebraska hail map or the U.S. hail map.
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Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Boone County, Nebraska only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.