Hail history for Roane County, Tennessee
Every NOAA hail report filed in Roane County since 1958, with preliminary National Weather Service reports to November 3, 2026.
Readout · Roane County
- Last hail
- Sep 4, 2025
- 1.25 in, half dollar size
- Hail days, last 5 years
- 3
- since Nov 3, 2021 · 5 reports
- Largest ever
- 2.75 in
- baseball · May 18, 1995
51 reports on 39 days since 1958 · #60 of 96 Tennessee counties
Hail map · Roane County
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
Roof damage after hail? Get a free inspection
Hail bruises shingles and cracks seals in ways you can't see from the ground, and most insurers set a claim deadline after the storm. The latest hail report in Roane County is from September 4, 2025. A local roofer can check and document it at no cost.
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What the record says about Roane County
The latest hail report in Roane County is from September 4, 2025, 1.25 in (half dollar size). Since November 3, 2021 there have been 3 separate hail days; the biggest stones in that time were 1.25 in on September 4, 2025.
Over the 20 years 2006–2025, Roane County logged 23 reports on 17 hail days, about 1.1 reports a year. That is 30% less than the median Tennessee county (1.6 a year) and ranks #60 of 96 Tennessee counties for all-time reports. Roane County holds 1% of all 7,198 hail reports in Tennessee.
2% of reports with a size were 2 inches (hen egg) or larger, against 4% for the median Tennessee county. The largest hail on record here is 2.75 in (baseball) on May 18, 1995 near Oliver Springs.
Reports held about level in 2016–2025 (11) compared with 2006–2015 (12). The busiest year was 2003, with 13 reports on 7 days. Hail here peaks in April (24% of reports); 57% fall between April and June.
Reports a year 2006–2025 average
- Roane County 1.1
- Median Tennessee county 1.6
Hail days 2006–2025
- Roane County 17
- Median Tennessee county 23
Share 2 in or larger of sized reports
- Roane County 2%
- Median Tennessee county 4%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 1 | 3 | 4 | ||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 1 | 1 | |||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 1 | 1 | |||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 4 | 1 | 5 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Sep 4, 2025 | 3 | 1.25 in | — |
| May 8, 2025 | 1 | 1.00 in | — |
| Jun 11, 2023 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| May 18, 1995 | 2.75 inbaseball | Oliver Springs | $50K | 17:40 local · NCEI |
| Mar 21, 2017 | 1.75 ingolf ball | 0.56 E Lawnville | — | 17:45 local · NCEI |
| Jul 14, 2015 | 1.75 ingolf ball | 0.56 W Harriman | — | 14:50 local · NCEI |
| Aug 20, 2014 | 1.75 ingolf ball | Kingston | — | 13:06 local · NCEI |
| May 14, 2010 | 1.75 ingolf ball | 0.89 NW Rockwood | — | 15:45 local · NCEI |
Sizes filed before 1996 are often rough estimates (round numbers like 7.00 or 8.00 in) without an exact spot; they are shown as NOAA filed them.
Size of every report
- Under 1 in 23 45%
- 1–2 in 27 53%
- 2 in + 1 2%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Sep 4, 2025 | 1.25 inhalf dollar | 0.56 E Lawnville | 15:35 local · NCEI |
| Sep 4, 2025 | 1.00 inquarter | 1.68 E Union | 15:00 local · NCEI |
| Sep 4, 2025 | 0.75 inpenny | 0.89 SW Rockwood | 14:49 local · NCEI |
| May 8, 2025 | 1.00 inquarter | 2.36 SSE Oak Hill | 17:36 local · NCEI |
| Jun 11, 2023 | 1.00 inquarter | 0.89 NE Harriman | 18:35 local · NCEI |
| Jun 14, 2020 | 1.25 inhalf dollar | 1.68 W Eureka | 12:06 local · NCEI |
| Apr 17, 2017 | 1.00 inquarter | Rockwood | 17:50 local · NCEI |
| Mar 21, 2017 | 1.00 inquarter | 0.56 E Kingston | 19:20 local · NCEI |
| Mar 21, 2017 | 1.00 inquarter | 1.12 W Lawnville | 17:55 local · NCEI |
| Mar 21, 2017 | 1.75 ingolf ball | 0.56 E Lawnville | 17:45 local · NCEI |
| Mar 21, 2017 | 1.00 inquarter | 0.56 E Kingston | 17:45 local · NCEI |
| Jul 14, 2015 | 1.75 ingolf ball | 0.56 W Harriman | 14:50 local · NCEI |
Cities and towns in Roane County
Smaller places with fewer than 10 reports
These places have too few reports for a page of their own, so their record lives here.
| Place | Reports | Hail days | Latest |
|---|---|---|---|
| Harriman | 7 | 7 | Jun 11, 2023 |
| Oliver Springs | 7 | 6 | Mar 2, 2012 |
| Midtown | 1 | 1 | Jun 23, 2007 |
Questions about hail in Roane County
How often does it hail in Roane County, Tennessee?
51 hail reports have been logged in Roane County since 1958. Over the 20 years 2006–2025 that averages 1.1 reports a year. That ranks #60 of 96 Tennessee counties by number of reports.
When is hail season in Roane County?
Most reports come in April, May, June. April alone accounts for 24% of all reports.
What is the largest hail recorded in Roane County?
2.75 in (baseball size) on May 18, 1995 near Oliver Springs. 2% of reports here were 2 inches or larger.
When did it last hail in Roane County?
The most recent report in this data is from September 4, 2025 (1.25 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Roane County had in the last five years?
3 separate days with hail reports since November 3, 2021, adding up to 5 reports. The most recent was September 4, 2025.
Where does this hail data come from?
Hail reports come from the NOAA NCEI Storm Events Database, which the National Weather Service compiles from spotter, public, law enforcement and media reports. Recent days use preliminary NWS Local Storm Reports via the Iowa Environmental Mesonet until NOAA publishes final data. Only reported hail is counted, so areas with fewer people tend to have fewer reports.