The most recent reported hail day was 2025-05-08 -- 1 year ago, with nothing reported since. Campbell County is hit in about half the years on record. The largest stone on record here is 1.75 inches, a golf ball and 1.8 times the National Weather Service's 1 inch severe criterion, reported on 2021-04-08 near Duff.
Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in Tennessee. Radar-indicated, not a guarantee of damage.
The last hail here fell on 2025-05-08, around Pioneer. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Campbell 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 14 separate hail days here since 2010 -- 0.8 a year over 17 years of record. They carry 16 reports in total: most hail days here are logged from a single spot. 7 of those 17 years produced none at all. One year dominates the record: 2012 alone produced 4 of the 14 days. The last five years track the long-run rate, with 4 days since 2022.
No stone of 2 inches or more has ever been reported in Campbell County: all 14 hail days on record topped out below that. 5 of the 14 days reached golf-ball size, 1.75 inches or bigger.
Across the whole of Tennessee, see the Tennessee hail map and history.
Reports cluster nearest La Follette -- 3 of the county's 14 hail days -- then Caryville (3), Jellico (2) and Pioneer (2).
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Caryville | 2 | 1.00″ |
| 1 Sw Duff | 1 | 1.75″ |
| 2 Nw Norris | 1 | 1.75″ |
| 4 Sw Jellico | 1 | 1.75″ |
| Jellico | 1 | 1.75″ |
The season runs March through July: 13 of the 14 hail days on record fall in those 5 months (93%). June is the single busiest month, with 4 of them (29%). That peak sits inside the window rather than at either end. Hail has also been reported in February, outside that window. Reports span 6 of the 12 calendar months; the other 6 have never produced one.
| Month | Hail days |
|---|---|
| February | 1 |
| March | 3 |
| April | 2 |
| May | 2 |
| June | 4 |
| July | 2 |
That day put 1 report on the map, the biggest 1.5 inches near Pioneer. No hail day has been reported here yet this year.
| Date | Max hail | Reports |
|---|---|---|
| 2025-05-08 | 1.50″ | 1 |
| 2024-07-30 | 1.00″ | 1 |
| 2023-06-11 | 1.25″ | 1 |
| 2022-05-06 | 1.25″ | 2 |
| 2021-04-08 | 1.75″ | 1 |
| 2019-06-27 | 1.00″ | 1 |
| 2018-06-26 | 1.75″ | 1 |
| 2018-03-24 | 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 1.75 inches, which is the red band. Look up a street address with the hail history by address tool.
The nearest counties with a page of their own: Anderson County (19 hail days), Knox County (37) and Morgan County (13). Campbell County sits in between.
Anderson County · Knox County · Morgan County
Back to the Tennessee hail map or the U.S. hail map.
Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Campbell County, Tennessee only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.