SwathIQ / Hail map / Tennessee

Tennessee Hail Map & History

Tennessee was hit as recently as 2026-07-28, 3 days ago. NOAA's Storm Prediction Center has logged 390 separate hail days in Tennessee since 2010, across 2,346 individual storm reports. 47 of those days brought hail 2 inches or larger, and the largest stone on record is 4.5 inches on 2010-04-24 near Henderson, Chester.

Tennessee takes damaging hail from spring frontal storms across Nashville, Memphis, and the eastern valleys. Pick a date below to see the NOAA radar swath and reports, or check a specific address.

390
hail days since 2010
47
days with 2″+ hail
10
hail days this year
4.50″
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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Hail history in Tennessee

Tennessee averages 23 reported hail days a year across 17 years of NOAA archive, about 3 of them carrying hail 2″ or larger -- the size that routinely totals roofs. Major metros watched here: Nashville, Memphis, Knoxville, Chattanooga.

When it hails in Tennessee

Tennessee's busiest hail month is May, with 78 of its 390 hail days on record. March through August holds 325 of them, 83% of the record.

MonthHail days since 2010
January7
February16
March48
April64
May78
June69
July42
August24
September15
October15
November4
December8

Top Tennessee counties by hail frequency

CountyHail days since 2010Largest stone
Shelby512.00″
Knox372.75″
Williamson343.00″
Rutherford332.50″
Davidson322.50″
Madison292.75″

Tennessee hail history by county

50 Tennessee counties have at least 13 NOAA hail days on record since 2010 -- enough archive signal for a page of their own. Ordered by hail days.

Shelby County · Knox County · Williamson County · Rutherford County · Davidson County · Madison County · Sumner County · Wilson County · Blount County · Dickson County · Lawrence County · Robertson County · Greene County · Sevier County · Tipton County · Coffee County · Cumberland County · Henderson County · Sullivan County · Hardin County · McMinn County · Anderson County · Gibson County · Hamilton County · Hickman County · Washington County · Bradley County · Carroll County · Chester County · Fayette County · Putnam County · Bedford County · Hawkins County · Marion County · Maury County · Weakley County · Benton County · Cheatham County · Henry County · Obion County · Campbell County · Cocke County · Loudon County · McNairy County · Monroe County · Montgomery County · Decatur County · Jefferson County · Morgan County · White County

Recent Tennessee hail days

DateMax hailReports
2026-07-281.00″1
2026-07-111.00″1
2026-07-031.00″2
2026-07-021.00″3
2026-06-291.00″1
2026-04-271.25″7
2026-03-211.00″1
2026-03-152.00″7

How to read the Tennessee map

The colored swath is NOAA's MRMS radar estimate of the largest hail in each ~1 km cell; the dots are individual SPC ground reports. Yellow is around an inch, red is 1.5 to 2″, and purple is 2″ and up -- see how hail size maps to roof damage. Click any spot on the map to see the hail history at that point, or look up a full street address on the hail history by address tool. Today's nationwide activity is on today's hail report.

Nearby states

Florida · Alabama · Ohio · South Carolina · Indiana · Louisiana

FAQ

How often does it hail in Tennessee?
NOAA has logged 390 hail days in Tennessee since 2010, including 47 days with hail 2 inches or larger.
When is hail season in Tennessee?
Tennessee's busiest hail month is May, with 78 of its 390 hail days on record. March through August holds 325 of them, 83% of the record.
How big does hail get in Tennessee?
The largest stone in the NOAA record for Tennessee is 4.5 inches on 2010-04-24 near Henderson, Chester. Every report on this page is 1 inch or larger, the National Weather Service severe criterion.
When was the last hail in Tennessee?
The most recent reported hail day was 2026-07-28. 10 hail days have been reported so far this year.
Is the Tennessee hail map free?
Yes, no login. A free account adds door-knock address lists and CRM exports.
How far back does the data go?
NOAA SPC storm reports since 2010, with high-resolution MRMS radar swaths for recent storms.

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