Johnson County, Nebraska Hail Map & History
Johnson County was hit as recently as 2026-09-13, 1 day ago. Johnson County is hit in most years. 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 2013-06-27 near Sterling.
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 2026-09-13, around Sterling. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Johnson 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 Johnson County
NOAA's Storm Prediction Center has logged 24 separate hail days here since 2010 -- 1.4 a year over 17 years of record. Those days carry 53 separate reports between them, two or three on a typical one. 4 of those 17 years produced none at all. One year dominates the record: 2022 alone produced 6 of the 24 days. The last five years have run hotter than the long-run rate: 10 days since 2022, against 1.2 a year before that.
5 of the 24 days reached 2 inches or more -- 21%, or about one hail day in 5, the last on 2026-04-23. They land in the same month as everything else, June. 9 of the 24 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 Johnson County
Reports cluster nearest Tecumseh -- 11 of the county's 24 hail days -- then Sterling (10), Cook (10) and Elk Creek (2). That one town is named on 46% of them.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Cook | 7 | 2.00″ |
| 2 E Sterling | 4 | 4.25″ |
| Sterling | 4 | 2.00″ |
| Tecumseh | 4 | 1.75″ |
| 3 S Cook | 2 | 1.75″ |
When it hails in Johnson County
The season runs April through August: 20 of the 24 hail days on record fall in those 5 months (83%). June is the single busiest month, with 9 of them (38%). 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 6 of the 12 calendar months; the other 6 have never produced one.
| Month | Hail days |
|---|---|
| March | 2 |
| April | 4 |
| May | 4 |
| June | 9 |
| August | 3 |
| September | 2 |
Recent Johnson County hail days
That day put 1 report on the map, the biggest 1 inch near Sterling. 2 hail days have already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 2026-09-13 | 1.00″ | 1 |
| 2026-04-23 | 2.00″ | 7 |
| 2025-04-23 | 1.00″ | 1 |
| 2025-03-14 | 1.00″ | 1 |
| 2022-09-17 | 1.00″ | 1 |
| 2022-08-19 | 1.25″ | 1 |
| 2022-06-11 | 2.00″ | 1 |
| 2022-06-07 | 1.75″ | 4 |
How to read the Johnson 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 4.25 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: Otoe County (39 hail days), Pawnee County (23) and Nemaha County (34). Johnson County sits in between.
Otoe County · Pawnee County · Nemaha County
Back to the Nebraska hail map or the U.S. hail map.
FAQ
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Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Johnson County, Nebraska only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.