Hail History

Hail history for Blount County, Tennessee

Every NOAA hail report filed in Blount County since 1957, with preliminary National Weather Service reports to November 3, 2026.

Readout · Blount County

Last hail
Aug 17, 2026
1.00 in, quarter size · preliminary
Hail days, last 5 years
10
since Nov 3, 2021 · 15 reports
Largest ever
2.00 in
hen egg · May 8, 2025

109 reports on 82 days since 1957 · #17 of 96 Tennessee counties

Hail map · Blount County

Maryville Alcoa Louisville 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
104 most recent reports with a location. Dot size and colour follow hail size. Open street map

For homeowners

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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 Blount County is from August 17, 2026. A local roofer can check and document it at no cost.

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What the record says about Blount County

The latest hail report in Blount County is from August 17, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 10 separate hail days; the biggest stones in that time were 2.00 in on May 8, 2025.

Over the 20 years 2006–2025, Blount County logged 55 reports on 37 hail days, about 2.8 reports a year. That is 67% more than the median Tennessee county (1.6 a year) and ranks #17 of 96 Tennessee counties for all-time reports. Blount County holds 2% of all 7,198 hail reports in Tennessee.

4% 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 2.00 in (hen egg) on May 8, 2025 near 0.56 E Tallassee.

Reports were down 28% in 2016–2025 (23) compared with 2006–2015 (32). The busiest year was 2011, with 10 reports on 3 days. Hail here peaks in May (35% of reports); 61% fall between April and June.

Reports a year 2006–2025 average

  • Blount County 2.8
  • Median Tennessee county 1.6

Hail days 2006–2025

  • Blount County 37
  • Median Tennessee county 23

Share 2 in or larger of sized reports

  • Blount County 4%
  • Median Tennessee county 4%

Hail over time

036912 1957: 1 reports, largest 0.75 in 1958: 1 reports, largest 2.00 in 1959: 2 reports, largest 1.75 in 1960: 1 reports, largest 2.00 in 1960 1963: 1 reports, largest 1.75 in 1964: 1 reports, largest 0.75 in 1966: 3 reports, largest 2.00 in 1968: 1 reports, largest 1.00 in 1970: 1 reports, largest 1.00 in 1970 1972: 1 reports, largest 1.50 in 1974: 1 reports, largest 0.75 in 1980 1982: 1 reports, largest 1.00 in 1984: 1 reports, largest 1.25 in 1985: 1 reports, largest 0.75 in 1990: 1 reports, largest 1.50 in 1990 1993: 2 reports, largest 1.75 in 1994: 1 reports, largest 0.75 in 1995: 2 reports, largest 0.88 in 1996: 2 reports, largest 0.75 in 1998: 2 reports, largest 0.75 in 1999: 7 reports, largest 1.25 in 2000: 1 reports, largest 0.75 in 2000 2001: 4 reports, largest 0.75 in 2002: 1 reports, largest 1.75 in 2003: 4 reports, largest 1.00 in 2004: 6 reports, largest 1.75 in 2005: 3 reports, largest 0.75 in 2006: 5 reports, largest 1.50 in 2007: 1 reports, largest 1.00 in 2008: 2 reports, largest 1.00 in 2009: 5 reports, largest 1.00 in 2010: 1 reports, largest 1.00 in 2010 2011: 10 reports, largest 1.75 in 2012: 6 reports, largest 1.75 in 2014: 1 reports, largest 1.00 in 2015: 1 reports, largest 1.00 in 2016: 2 reports, largest 1.00 in 2018: 2 reports, largest 1.00 in 2019: 2 reports, largest 1.00 in 2020: 1 reports, largest 1.00 in 2020 2021: 2 reports, largest 1.00 in 2022: 1 reports, largest 1.00 in 2023: 1 reports, largest 1.00 in 2024: 4 reports, largest 1.00 in 2025: 8 reports, largest 2.00 in 2026: 1 reports, largest 1.00 in
Reports per year, 1957–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
010203040 January: 2 reports (2%) Jan February: 5 reports (5%) Feb March: 6 reports (6%) Mar April: 17 reports (16%) Apr May: 38 reports (35%) May June: 11 reports (10%) Jun July: 11 reports (10%) Jul August: 12 reports (11%) Aug Sep October: 3 reports (3%) Oct November: 1 reports (1%) Nov December: 3 reports (3%) Dec
All 109 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 1 1
2025 242 8
2024 13 4
2023 1 1
2022 1 1
2021 11 2
2020 1 1
2019 2 2
2018 11 2
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Aug 17, 2026 1 1.00 in View
Oct 21, 2025 2 0.88 in —
May 8, 2025 2 2.00 in —
May 2, 2025 2 1.00 in —
Apr 10, 2025 2 1.00 in —
May 26, 2024 2 1.00 in —
May 6, 2024 1 1.00 in —
Apr 11, 2024 1 1.00 in —
Apr 14, 2023 1 1.00 in —
May 6, 2022 1 1.00 in —

Largest hail on record

Largest hail reports in Blount County
Date Size Location Time · source
May 8, 2025 2.00 inhen egg 0.56 E Tallassee 18:25 local · NCEI
Jul 13, 1966 2.00 inhen egg — 15:01 local · NCEI
Oct 3, 1960 2.00 inhen egg — 15:00 local · NCEI
Apr 24, 1958 2.00 inhen egg — 20:00 local · NCEI
Feb 29, 2012 1.75 ingolf ball 4 S Maryville 19:40 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

Most recent reports

Most recent hail reports in Blount County
Date Size Location Time · source
Aug 17, 2026 1.00 inquarter 1 W Maryville 21:20 UTC · NWS prelim.
Oct 21, 2025 0.88 innickel 0.89 SW Shooks Gap 13:16 local · NCEI
Oct 21, 2025 0.75 inpenny 0.56 E Pumpkin Center 13:04 local · NCEI
May 8, 2025 2.00 inhen egg 0.56 E Tallassee 18:25 local · NCEI
May 8, 2025 1.50 inping pong ball 0.56 W Wellsville 18:25 local · NCEI
May 2, 2025 1.00 inquarter Maryville 20:56 local · NCEI
May 2, 2025 1.00 inquarter Maryville 15:50 local · NCEI
Apr 10, 2025 1.00 inquarter 0.56 W Maryville 17:20 local · NCEI
Apr 10, 2025 1.00 inquarter 0.56 W Pumpkin Center 17:15 local · NCEI
May 26, 2024 1.00 inquarter 1.32 ENE Townsend 17:08 local · NCEI
May 26, 2024 1.00 inquarter 0.89 SW Happy Vly 16:45 local · NCEI
May 6, 2024 1.00 inquarter 0.89 NE Bungalow Town 19:39 local · NCEI

Cities and towns in Blount County

PlaceReportsLargest
Maryville512.00 in
Alcoa141.50 in
Louisville122.50 in

Smaller places with fewer than 10 reports

These places have too few reports for a page of their own, so their record lives here.

PlaceReportsHail daysLatest
Townsend77May 26, 2024
Friendsville54Apr 27, 2011
Walland22Mar 26, 2021
Wildwood11Jul 25, 2004

Questions about hail in Blount County

How often does it hail in Blount County, Tennessee?

109 hail reports have been logged in Blount County since 1957. Over the 20 years 2006–2025 that averages 2.8 reports a year. That ranks #17 of 96 Tennessee counties by number of reports.

When is hail season in Blount County?

Most reports come in May, April, August. May alone accounts for 35% of all reports.

What is the largest hail recorded in Blount County?

2.00 in (hen egg size) on May 8, 2025 near 0.56 E Tallassee. 4% of reports here were 2 inches or larger.

When did it last hail in Blount County?

The most recent report in this data is from August 17, 2026 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

10 separate days with hail reports since November 3, 2021, adding up to 15 reports. The most recent was August 17, 2026.

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.