Hail History

Hail history for Powell, Tennessee

NOAA hail reports in and within about 5 km (3 miles) of Powell since 1998, with preliminary reports to November 3, 2026.

Readout · Powell

Last hail
Jun 5, 2023
1.00 in, quarter size
Hail days, last 5 years
1
since Nov 3, 2021 · 1 report
Largest ever
1.75 in
golf ball · Mar 21, 2017

11 reports on 9 days since 1998 · #166 of 180 Tennessee places

Hail map · Powell

Powell Knoxville Halls Clinton Farragut Louisville Oak Ridge Alcoa 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
11 most recent reports with a location; Knox County is shaded. Open street map

For homeowners

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What the record says about Powell

The latest hail report in and around Powell is from June 5, 2023, 1.00 in (quarter size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.00 in on June 5, 2023.

Over the 20 years 2006–2025, Powell logged 8 reports on 6 hail days, about 0.4 reports a year. That is 20% less than the median Tennessee town on this site (0.5 a year) and ranks #166 of 180 Tennessee cities and towns on this site for all-time reports. Powell accounts for 6% of the 170 reports filed in Knox County.

0% of reports with a size were 2 inches (hen egg) or larger, against 3% for the median Tennessee town on this site. The largest hail on record here is 1.75 in (golf ball) on March 21, 2017 near Powell.

Reports were down 40% in 2016–2025 (3) compared with 2006–2015 (5). The busiest year was 2017, with 2 reports on 1 day. Hail here peaks in June (45% of reports); 73% fall between April and June.

Reports a year 2006–2025 average

  • Powell 0.4
  • Knox County 4.7
  • Median Tennessee town on this site 0.5

Hail days 2006–2025

  • Powell 6
  • Knox County 49
  • Median Tennessee town on this site 8.5

Share 2 in or larger of sized reports

  • Powell 0%
  • Knox County 5%
  • Median Tennessee town on this site 3%

Hail over time

012 1998: 2 reports, largest 1.00 in 2000 2003: 1 reports, largest 1.75 in 2005 2006: 1 reports, largest 1.00 in 2009: 2 reports, largest 0.75 in 2010 2011: 1 reports, largest 1.00 in 2012: 1 reports, largest 1.00 in 2015 2017: 2 reports, largest 1.75 in 2020 2023: 1 reports, largest 1.00 in 2025
Reports per year, 1998–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0246 Jan Feb March: 2 reports (18%) Mar April: 1 reports (9%) Apr May: 2 reports (18%) May June: 5 reports (45%) Jun July: 1 reports (9%) Jul Aug Sep Oct Nov Dec
All 11 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 0
2023 1 1
2022 0
2021 0
2020 0
2019 0
2018 0
2017 2 2

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Jun 5, 2023 1 1.00 in —

Largest hail on record

Largest hail reports in Powell
Date Size Location County Time · source
Mar 21, 2017 1.75 ingolf ball Powell Knox 18:15 local · NCEI
May 15, 2003 1.75 ingolf ball Powell Knox 16:07 local · NCEI
Mar 21, 2017 1.50 inping pong ball Powell Knox 18:20 local · NCEI
Jun 5, 2023 1.00 inquarter Powell Knox 14:55 local · NCEI
Jul 17, 2012 1.00 inquarter Powell Knox 13:50 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Powell
Date Size Location County Time · source
Jun 5, 2023 1.00 inquarter Powell Knox 14:55 local · NCEI
Mar 21, 2017 1.50 inping pong ball Powell Knox 18:20 local · NCEI
Mar 21, 2017 1.75 ingolf ball Powell Knox 18:15 local · NCEI
Jul 17, 2012 1.00 inquarter Powell Knox 13:50 local · NCEI
Jun 19, 2011 1.00 inquarter Powell Knox 14:35 local · NCEI
Jun 22, 2009 0.75 inpenny 0.56 W Glenwood Knox 13:45 local · NCEI
Jun 22, 2009 0.75 inpenny 0.56 W Glenwood Knox 13:30 local · NCEI
Apr 2, 2006 1.00 inquarter Powell Knox 19:10 local · NCEI
May 15, 2003 1.75 ingolf ball Powell Knox 16:07 local · NCEI
Jun 2, 1998 0.75 inpenny Powell Knox 06:30 local · NCEI
May 21, 1998 1.00 inquarter Powell Knox 17:05 local · NCEI

Hail history near Powell

Questions about hail in Powell

How often does it hail in Powell, Tennessee?

11 hail reports have been logged in and within about 5 km (3 miles) of Powell since 1998. Over the 20 years 2006–2025 that averages 0.4 reports a year. That ranks #166 of 180 Tennessee places by number of reports.

When is hail season in Powell?

Most reports come in June, March, May. June alone accounts for 45% of all reports.

What is the largest hail recorded in Powell?

1.75 in (golf ball size) on March 21, 2017 near Powell. 0% of reports here were 2 inches or larger.

When did it last hail in Powell?

The most recent report in this data is from June 5, 2023 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Powell had in the last five years?

1 separate days with hail reports since November 3, 2021, adding up to 1 reports. The most recent was June 5, 2023.

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.