The most recent reported hail day was 2023-06-04 -- 3 years ago, with nothing reported since. Loudon County is hit in about half the years on record. The largest stone on record here is 2 inches, a hen egg and twice the National Weather Service's 1 inch severe criterion, reported on 2017-03-21 near Lenoir City.
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 2023-06-04, around Farragut. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Loudon County addresses inside a hail swath above your size threshold into a door-knock list you can export, scoped to your approved markets.
Get free access Check an addressOur US-based call center calls the homeowners in this storm and books roof inspections straight onto your calendar. You work the storm; we fill the schedule. We dial -- you do not have to knock a single door.
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 19 reports in total: most hail days here are logged from a single spot. 8 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 have been quieter than the long run: 1 days since 2022, against 1.1 a year before that.
Most hail here stays under 2 inches: only 1 of the 14 days on record passed it, 7%, the last on 2017-03-21. They land in the same month as everything else, March. Golf-ball size is rarer still: 1.75 inches or more on 3 of the 14 days.
Across the whole of Tennessee, see the Tennessee hail map and history.
Reports cluster nearest Lenoir City -- 7 of the county's 14 hail days -- then Loudon (6), Farragut (2) and Greenback (2). That one town is named on 50% of them.
| Place | Hail days since 2010 | Largest stone |
|---|---|---|
| Lenoir City | 6 | 1.75″ |
| Loudon | 5 | 1.75″ |
| 4 N Lenoir City | 1 | 2.00″ |
| 5 W Farragut | 1 | 1.50″ |
| 1 N Greenback | 1 | 1.00″ |
The season runs March through June: 12 of the 14 hail days on record fall in those 4 months (86%). March is the single busiest month, with 5 of them (36%). That peak opens the window: the season starts at its worst and eases off from there. Hail has also been reported in July, outside that window. Reports span 5 of the 12 calendar months; the other 7 have never produced one.
| Month | Hail days |
|---|---|
| March | 5 |
| April | 2 |
| May | 2 |
| June | 3 |
| July | 2 |
That day put 1 report on the map, the biggest 1 inch near Farragut. No hail day has been reported here yet this year.
| Date | Max hail | Reports |
|---|---|---|
| 2023-06-04 | 1.00″ | 1 |
| 2018-06-25 | 1.00″ | 1 |
| 2018-03-17 | 1.00″ | 1 |
| 2017-03-21 | 2.00″ | 4 |
| 2016-07-08 | 1.00″ | 1 |
| 2016-05-02 | 1.50″ | 2 |
| 2015-06-18 | 1.00″ | 1 |
| 2014-05-22 | 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 2 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: Monroe County (14 hail days), Blount County (26) and Knox County (37). Loudon County sits in between.
Monroe County · Blount County · Knox 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, Loudon County, Tennessee only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.