Hail History

Hail history for Kennesaw, Georgia

NOAA hail reports in and within about 5 km (3 miles) of Kennesaw since 1997, with preliminary reports to November 3, 2026.

Readout · Kennesaw

Last hail
Sep 6, 2025
1.00 in, quarter size
Hail days, last 5 years
2
since Nov 3, 2021 · 2 reports
Largest ever
1.75 in
golf ball · Jun 30, 1999

17 reports on 16 days since 1997 · #118 of 236 Georgia places

Hail map · Kennesaw

Kennesaw Acworth Marietta Woodstock Powder Springs Smyrna 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
17 most recent reports with a location; Cobb County is shaded. Open street map

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 Kennesaw is from September 6, 2025. A local roofer can check and document it at no cost.

Phone line opening soon

What would a claim cost you? Try the hail claim calculator

Preview: this form is not connected yet. Nothing you enter is sent or stored.

Roofer? Get hail alerts for your area with StormScope

What the record says about Kennesaw

The latest hail report in and around Kennesaw is from September 6, 2025, 1.00 in (quarter size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 1.25 in on April 10, 2025.

Over the 20 years 2006–2025, Kennesaw logged 4 reports on 4 hail days, about 0.2 reports a year. That is 43% less than the median Georgia town on this site (0.3 a year) and ranks #118 of 236 Georgia cities and towns on this site for all-time reports. Kennesaw accounts for 8% of the 222 reports filed in Cobb County.

0% of reports with a size were 2 inches (hen egg) or larger, against 0% for the median Georgia town on this site. The largest hail on record here is 1.75 in (golf ball) on June 30, 1999 near Kennesaw.

The busiest year was 1999, with 5 reports on 5 days. Hail here peaks in May (29% of reports); 65% fall between April and June.

Reports a year 2006–2025 average

  • Kennesaw 0.2
  • Cobb County 4.5
  • Median Georgia town on this site 0.3

Hail days 2006–2025

  • Kennesaw 4
  • Cobb County 64
  • Median Georgia town on this site 6

Share 2 in or larger of sized reports

  • Kennesaw 0%
  • Cobb County 4%
  • Median Georgia town on this site 0%

Hail over time

0246 1997: 1 reports, largest 0.75 in 1998: 2 reports, largest 1.00 in 1999: 5 reports, largest 1.75 in 2000 2001: 1 reports, largest 1.00 in 2002: 1 reports, largest 0.75 in 2003: 2 reports, largest 1.00 in 2005: 1 reports, largest 0.75 in 2005 2008: 1 reports, largest 1.50 in 2010 2012: 1 reports, largest 1.00 in 2015 2020 2025: 2 reports, largest 1.25 in 2025
Reports per year, 1997–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0246 Jan February: 1 reports (6%) Feb March: 2 reports (12%) Mar April: 3 reports (18%) Apr May: 5 reports (29%) May June: 3 reports (18%) Jun July: 1 reports (6%) Jul Aug September: 2 reports (12%) Sep Oct Nov Dec
All 17 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 11 2
2024 0
2023 0
2022 0
2021 0
2020 0
2019 0
2018 0
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Sep 6, 2025 1 1.00 in —
Apr 10, 2025 1 1.25 in —

Largest hail on record

Largest hail reports in Kennesaw
Date Size Location County Time · source
Jun 30, 1999 1.75 ingolf ball Kennesaw Cobb 18:18 local · NCEI
Mar 15, 2008 1.50 inping pong ball Kennesaw Cobb 14:40 local · NCEI
Apr 10, 2025 1.25 inhalf dollar 1.2 NNE Oak Grove Cherokee 18:59 local · NCEI
Sep 6, 2025 1.00 inquarter 3.45 N Marietta Mccolum Arp Cobb 13:34 local · NCEI
May 6, 2012 1.00 inquarter Kennesaw Cobb 18:37 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Kennesaw
Date Size Location County Time · source
Sep 6, 2025 1.00 inquarter 3.45 N Marietta Mccolum Arp Cobb 13:34 local · NCEI
Apr 10, 2025 1.25 inhalf dollar 1.2 NNE Oak Grove Cherokee 18:59 local · NCEI
May 6, 2012 1.00 inquarter Kennesaw Cobb 18:37 local · NCEI
Mar 15, 2008 1.50 inping pong ball Kennesaw Cobb 14:40 local · NCEI
Jun 6, 2005 0.75 inpenny 3 SE Acworth Cobb 16:45 local · NCEI
May 2, 2003 0.75 inpenny Sparta Hancock 19:30 local · NCEI
May 2, 2003 1.00 inquarter Stark Butts 18:52 local · NCEI
May 9, 2002 0.75 inpenny Kennesaw Cobb 16:30 local · NCEI
Jun 25, 2001 1.00 inquarter Kennesaw Cobb 15:25 local · NCEI
Sep 21, 1999 1.00 inquarter Kennesaw Cobb 13:10 local · NCEI
Jul 29, 1999 0.75 inpenny Kennesaw Cobb 16:18 local · NCEI
Jun 30, 1999 1.75 ingolf ball Kennesaw Cobb 18:18 local · NCEI

Hail history near Kennesaw

Questions about hail in Kennesaw

How often does it hail in Kennesaw, Georgia?

17 hail reports have been logged in and within about 5 km (3 miles) of Kennesaw since 1997. Over the 20 years 2006–2025 that averages 0.2 reports a year. That ranks #118 of 236 Georgia places by number of reports.

When is hail season in Kennesaw?

Most reports come in May, April, June. May alone accounts for 29% of all reports.

What is the largest hail recorded in Kennesaw?

1.75 in (golf ball size) on June 30, 1999 near Kennesaw. 0% of reports here were 2 inches or larger.

When did it last hail in Kennesaw?

The most recent report in this data is from September 6, 2025 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

2 separate days with hail reports since November 3, 2021, adding up to 2 reports. The most recent was September 6, 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.