Hail Knoxville, TN
Over the last 7 days, no hail has been reported within 25 miles of Knoxville. That makes for a quiet week, but the year is not empty: Knoxville has collected 6 hail reports so far in 2026. The largest stone from those reports measured 1.00 inches and fell at 1 W Maryville. Hail reports are drawn from National Weather Service Local Storm Reports filed by trained spotters, and the count covers a 25 miles radius around the city. This is the same radius used for the city's long-term hail averages.
as of
Every figure on this page covers a 25 mile circle centered on Knoxville. Between 2005 and 2025, the area averaged about 12.7 hail reports a year, coming on about 5.2 days. The largest hailstone since 1996 was 3.00 inches, on May 21, 1998.
Hail storms near Knoxville in 2026
| Date | Size | Place | Reported by |
|---|---|---|---|
| Sep 6, 2026 | 0.25 inches pea | KodakSevier County | Broadcast Media |
| Aug 21, 2026 | 0.75 inches penny | 2 NW FarragutKnox County | Public |
| Aug 17, 2026 | 1.00 inches quarter | 1 W MaryvilleBlount County | Public |
| Jul 3, 2026 | 1.00 inches quarter | 2 WNW ClintonAnderson County | Public |
| Jul 3, 2026 | 0.75 inches penny | 4 W ClintonAnderson County | Public |
| Jul 3, 2026 | 0.75 inches penny | 6 NE Oak RidgeAnderson County | Public |
WeatherTotals compiles National Weather Service Local Storm Reports, mostly from the public and trained spotters. Each report is flagged measured or estimated and lists its source and time.
Largest hailstones within 25 miles of Knoxville
| Diameter | Size | Place | Date |
|---|---|---|---|
| 3.00 inches | Tea cup | Knoxville, Knox County | May 21, 1998 |
| 2.75 inches | Baseball | Knoxville, Knox County | May 21, 1998 |
| 2.75 inches | Baseball | Highland Park, Loudon County | Jun 7, 2008 |
| 2.75 inches | Baseball | Knoxville, Knox County | Apr 27, 2011 |
| 2.50 inches | Tennis ball | Greenback, Loudon County | May 15, 2003 |
Record figures come from the Storm Events Database at NCEI, a reviewed log that trails live reports by 2 to 3 months. Records start in 1996 and averages cover 2005-2025.
Hailstone sizes recorded near Knoxville
| Stone size | Reports | Share |
|---|---|---|
| Under 1 inch | 61 | 23% |
| 1 to under 2 inches | 202 | 76% |
| 2 inches and larger | 4 | 1% |
The NCEI Storm Events Database supplies the 267 reports within 25 miles of Knoxville from 2005 to 2025, with stone size recorded by diameter.
Hail reports by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reports | 0.0 | 0.3 | 1.0 | 3.4 | 3.0 | 2.2 | 1.0 | 0.7 | 0.6 | 0.3 | 0.0 | 0.1 |
National Weather Service offices file Local Storm Reports; the Iowa Environmental Mesonet of Iowa State University relays them to this page, where they appear as live spotter reports. Under 17 U.S.C. 105, no copyright attaches to the government-produced figures on this page, including reports, alerts, station observations, and normals, which were created by the National Weather Service and other NOAA offices. The notice that 17 U.S.C. 403 requires appears in this sentence. It does not imply endorsement by or affiliation with those agencies. See: Data sources and attribution.