The most recent reported hail day was 2026-04-23, 99 days 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 2026-04-23, around Tecumseh. 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 ->NOAA's Storm Prediction Center has logged 23 separate hail days here since 2010 -- 1.4 a year over 17 years of record. Those days carry 52 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 23 days. The last five years have run hotter than the long-run rate: 9 days since 2022, against 1.2 a year before that.
5 of the 23 days reached 2 inches or more -- 22%, 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 23 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 Tecumseh -- 11 of the county's 23 hail days -- then Cook (10), Sterling (9) and Elk Creek (2). That one town is named on 48% 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″ |
The season runs March through June: 19 of the 23 hail days on record fall in those 4 months (83%). June is the single busiest month, with 9 of them (39%). That peak closes the window: the season builds all the way to its worst month and then stops. Hail has also been reported in August 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 | 1 |
That day put 7 reports on the map, the biggest 2 inches near Tecumseh. 1 hail day has already been reported this year.
| Date | Max hail | Reports |
|---|---|---|
| 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 |
| 2022-05-30 | 1.00″ | 1 |
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: Otoe County (39 hail days), Pawnee County (23) and Nemaha County (33). Johnson County sits in between.
Otoe County · Pawnee County · Nemaha County
Back to the Nebraska hail map or the U.S. hail map.
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.