SwathIQ / Hail map / Tennessee / Sevier County

Sevier County, Tennessee Hail Map & History

The most recent reported hail day was 2025-10-21, 283 days ago. Sevier County is hit in about half the years on record. The largest stone on record here is 2.75 inches, a baseball and 2.8 times the National Weather Service's 1 inch severe criterion, reported on 2012-04-26 near Gatlinburg.

23
hail days since 2010
1
days with 2″+ hail
0
hail days this year
2.75″
largest stone on record

Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in Tennessee. Radar-indicated, not a guarantee of damage.

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The last hail here fell on 2025-10-21, around Kodak. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Sevier 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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How often it hails in Sevier County

NOAA's Storm Prediction Center has logged 23 separate hail days here since 2010 -- 1.4 a year over 17 years of record. They carry 32 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: 2025 alone produced 8 of the 23 days. The last five years have run hotter than the long-run rate: 10 days since 2022, against 1.1 a year before that.

Most hail here stays under 2 inches: only 1 of the 23 days on record passed it, 4%, the last on 2012-04-26. They land in the same month as everything else, April. Golf-ball size is rarer still: 1.75 inches or more on 3 of the 23 days.

Across the whole of Tennessee, see the Tennessee hail map and history.

Hardest-hit places in Sevier County

Reports cluster nearest Gatlinburg -- 5 of the county's 23 hail days -- then Kodak (5), Wears Valley (5), Pigeon Forge (4) and Sevierville (4). Beyond those, NOAA names Seymour on more than one hail day apiece.

PlaceHail days since 2010Largest stone
Gatlinburg32.75″
Pigeon Forge21.50″
Kodak21.25″
Sevierville21.25″
Seymour21.00″

When it hails in Sevier County

The season runs February through July: 20 of the 23 hail days on record fall in those 6 months (87%). April is the single busiest month, with 7 of them (30%). That peak sits inside the window rather than at either end. Hail has also been reported in September and October, outside that window. Reports span 8 of the 12 calendar months; the other 4 have never produced one.

MonthHail days
February2
March1
April7
May4
June4
July2
September2
October1

Recent Sevier County hail days

That day put 1 report on the map, the biggest 1 inch near Kodak. No hail day has been reported here yet this year.

DateMax hailReports
2025-10-211.00″1
2025-09-041.00″1
2025-09-031.25″1
2025-06-241.00″1
2025-05-161.00″1
2025-05-081.00″1
2025-04-101.25″2
2025-02-061.75″1

How to read the Sevier 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 2.75 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: Jefferson County (13 hail days), Blount County (26) and Knox County (37). Sevier County sits in between.

Jefferson County · Blount County · Knox County

Back to the Tennessee hail map or the U.S. hail map.

FAQ

How often does it hail in Sevier County, Tennessee?
NOAA's Storm Prediction Center has logged 23 separate hail days here since 2010 -- 1.4 a year over 17 years of record.
When is hail season in Sevier County?
The season runs February through July: 20 of the 23 hail days on record fall in those 6 months (87%).
How big does hail get in Sevier County?
The largest stone on record here is 2.75 inches, a baseball and 2.8 times the National Weather Service's 1 inch severe criterion, reported on 2012-04-26 near Gatlinburg.
When was the last hail in Sevier County?
The most recent reported hail day was 2025-10-21, 283 days ago.
Is the Sevier County hail map free?
Yes, no login. A free account adds door-knock address lists and CRM exports.

Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Sevier County, Tennessee only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.