Hail History

Hail history for Cobb County, Georgia

Every NOAA hail report filed in Cobb County since 1960, with preliminary National Weather Service reports to November 3, 2026.

Readout · Cobb County

Last hail
Sep 6, 2025
1.00 in, quarter size
Hail days, last 5 years
6
since Nov 3, 2021 · 12 reports
Largest ever
4.00 in
grapefruit · May 7, 1998

222 reports on 151 days since 1960 · #2 of 158 Georgia counties

Hail map · Cobb County

Acworth Marietta Lithia Springs Mableton Smyrna Powder Springs Kennesaw 50 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
212 most recent reports with a location. Dot size and colour follow hail size. Open street map

For homeowners

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What the record says about Cobb County

The latest hail report in Cobb County is from September 6, 2025, 1.00 in (quarter size). Since November 3, 2021 there have been 6 separate hail days; the biggest stones in that time were 1.75 in on September 12, 2023.

Over the 20 years 2006–2025, Cobb County logged 89 reports on 64 hail days, about 4.5 reports a year. That is 4.5 times the median Georgia county (1.0 a year) and ranks #2 of 158 Georgia counties for all-time reports. Cobb County holds 3% of all 8,821 hail reports in Georgia.

4% of reports with a size were 2 inches (hen egg) or larger, against 3% for the median Georgia county. The largest hail on record here is 4.00 in (grapefruit) on May 7, 1998 near Acworth.

Reports were down 73% in 2016–2025 (19) compared with 2006–2015 (70). The busiest year was 1999, with 20 reports on 12 days. Hail here peaks in April (23% of reports); 57% fall between April and June.

Reports a year 2006–2025 average

  • Cobb County 4.5
  • Median Georgia county 1.0

Hail days 2006–2025

  • Cobb County 64
  • Median Georgia county 17

Share 2 in or larger of sized reports

  • Cobb County 4%
  • Median Georgia county 3%

Hail over time

05101520 1960: 1 reports, largest 1.65 in 1960 1970 1973: 2 reports, largest 1.00 in 1976: 1 reports, largest 1.00 in 1979: 1 reports, largest 1.75 in 1980: 1 reports, largest 0.75 in 1980 1982: 2 reports, largest 1.75 in 1983: 1 reports, largest 0.75 in 1984: 2 reports, largest 2.00 in 1985: 3 reports, largest 1.50 in 1988: 1 reports, largest 1.75 in 1989: 1 reports, largest 0.75 in 1990: 2 reports, largest 0.75 in 1990 1991: 1 reports, largest 1.00 in 1992: 2 reports, largest 1.75 in 1993: 5 reports, largest 1.75 in 1994: 1 reports, largest 1.00 in 1995: 4 reports, largest 0.75 in 1996: 11 reports, largest 1.75 in 1997: 12 reports, largest 4.00 in 1998: 20 reports, largest 4.00 in 1999: 20 reports, largest 2.00 in 2000: 4 reports, largest 1.00 in 2000 2001: 5 reports, largest 1.00 in 2002: 13 reports, largest 1.00 in 2003: 8 reports, largest 2.00 in 2004: 1 reports, largest 0.88 in 2005: 8 reports, largest 2.50 in 2006: 7 reports, largest 1.75 in 2007: 9 reports, largest 1.75 in 2008: 7 reports, largest 1.50 in 2009: 11 reports, largest 1.75 in 2010: 7 reports, largest 1.75 in 2010 2011: 11 reports, largest 1.75 in 2012: 10 reports, largest 1.75 in 2013: 1 reports, largest 1.00 in 2014: 1 reports, largest 1.00 in 2015: 6 reports, largest 1.25 in 2016: 2 reports, largest 0.88 in 2018: 1 reports, largest 1.00 in 2020: 3 reports, largest 1.00 in 2020 2021: 1 reports, largest 1.00 in 2022: 2 reports, largest 1.50 in 2023: 7 reports, largest 1.75 in 2025: 3 reports, largest 1.25 in
Reports per year, 1960–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0204060 January: 4 reports (2%) Jan February: 12 reports (5%) Feb March: 15 reports (7%) Mar April: 52 reports (23%) Apr May: 39 reports (18%) May June: 36 reports (16%) Jun July: 29 reports (13%) Jul August: 12 reports (5%) Aug September: 17 reports (8%) Sep October: 1 reports (0%) Oct November: 2 reports (1%) Nov December: 3 reports (1%) Dec
All 222 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 21 3
2024 0
2023 25 7
2022 11 2
2021 1 1
2020 12 3
2019 0
2018 1 1
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Sep 6, 2025 1 1.00 in —
Jun 26, 2025 2 1.25 in —
Sep 12, 2023 5 1.75 in —
Jun 6, 2023 2 1.00 in —
Aug 5, 2022 1 1.50 in —
Jun 16, 2022 1 1.25 in —

Largest hail on record

Largest hail reports in Cobb County
Date Size Location Damage Time · source
May 7, 1998 4.00 ingrapefruit Acworth $5K 19:55 local · NCEI
Apr 22, 1997 4.00 ingrapefruit Acworth — 13:45 local · NCEI
Jul 20, 1998 2.75 inbaseball Austell $2K 00:17 local · NCEI
Feb 21, 2005 2.50 intennis ball Acworth $5.0 million 18:20 local · NCEI
Apr 22, 1997 2.50 intennis ball Acworth $5K 13:35 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Cobb County
Date Size Location Time · source
Sep 6, 2025 1.00 inquarter 3.45 N Marietta Mccolum Arp 13:34 local · NCEI
Jun 26, 2025 1.00 inquarter 1.34 ENE Leland 16:45 local · NCEI
Jun 26, 2025 1.25 inhalf dollar 1.34 WNW Oakdale 16:41 local · NCEI
Sep 12, 2023 1.75 ingolf ball 2.53 W Due West 16:25 local · NCEI
Sep 12, 2023 1.25 inhalf dollar 3.54 NW Due West 16:20 local · NCEI
Sep 12, 2023 1.00 inquarter 3.86 NNW Due West 16:17 local · NCEI
Sep 12, 2023 1.50 inping pong ball 3.48 WNW Due West 16:17 local · NCEI
Sep 12, 2023 1.00 inquarter 2.95 WNW Due West 16:15 local · NCEI
Jun 6, 2023 1.00 inquarter 2.21 NE (Mge)dobbins Afb Mar 16:20 local · NCEI
Jun 6, 2023 0.88 innickel 2.99 NNE (Mge)dobbins Afb Mar 16:13 local · NCEI
Aug 5, 2022 1.50 inping pong ball 0.93 NNE Sandy Plains 17:10 local · NCEI
Jun 16, 2022 1.25 inhalf dollar 1.5 SSW Powder Spgs 22:00 local · NCEI

Cities and towns in Cobb County

PlaceReportsLargest
Acworth614.00 in
Marietta462.00 in
Lithia Springs251.75 in
Mableton241.50 in
Smyrna231.75 in
Powder Springs201.75 in
Kennesaw171.75 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
Vinings55Apr 23, 2009
Austell22May 21, 2012
Fair Oaks11Apr 10, 2009

Questions about hail in Cobb County

How often does it hail in Cobb County, Georgia?

222 hail reports have been logged in Cobb County since 1960. Over the 20 years 2006–2025 that averages 4.5 reports a year. That ranks #2 of 158 Georgia counties by number of reports.

When is hail season in Cobb County?

Most reports come in April, May, June. April alone accounts for 23% of all reports.

What is the largest hail recorded in Cobb County?

4.00 in (grapefruit size) on May 7, 1998 near Acworth. 4% of reports here were 2 inches or larger.

When did it last hail in Cobb County?

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 Cobb County had in the last five years?

6 separate days with hail reports since November 3, 2021, adding up to 12 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.