Hail Knoxville, TN
There were 2 hail reports within 25 miles of Knoxville in the last 7 days. The largest measured 1.00 inches at 1 W Maryville, and the latest came at 9:05 PM CDT.
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 reports, last 7 days
| Place | Size | Reported by | Time |
|---|---|---|---|
| 2 NW FarragutKnox County | 0.75 inches | Public | 9:05 PM CDT |
| 1 W MaryvilleBlount County | 1.00 inches | Public | 4:20 PM CDT |
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.
Hail reports in 2026
| Date | Size | Place | Reported by |
|---|---|---|---|
| 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.
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.