Hail history for Windham County, Connecticut
Every NOAA hail report filed in Windham County since 1972, with preliminary National Weather Service reports to November 3, 2026.
Readout · Windham County
- Last hail
- Jul 3, 2025
- 1.75 in, golf ball size
- Hail days, last 5 years
- 4
- since Nov 3, 2021 · 8 reports
- Largest ever
- 1.75 in
- golf ball · Jul 3, 2025
49 reports on 33 days since 1972 · #7 of 8 Connecticut counties
Hail map · Windham County
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
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What the record says about Windham County
The latest hail report in Windham County is from July 3, 2025, 1.75 in (golf ball size). Since November 3, 2021 there have been 4 separate hail days; the biggest stones in that time were 1.75 in on July 3, 2025.
Over the 20 years 2006–2025, Windham County logged 30 reports on 17 hail days, about 1.5 reports a year. That is 23% less than the median Connecticut county (1.9 a year) and ranks #7 of 8 Connecticut counties for all-time reports. Windham County holds 7% of all 696 hail reports in Connecticut.
0% of reports with a size were 2 inches (hen egg) or larger, against 2% for the median Connecticut county. The largest hail on record here is 1.75 in (golf ball) on July 3, 2025 near 1.47 SSE South Killingly.
Reports were down 42% in 2016–2025 (11) compared with 2006–2015 (19). The busiest year was 2012, with 7 reports on 3 days. Hail here peaks in July (43% of reports); 49% fall between April and June.
Reports a year 2006–2025 average
- Windham County 1.5
- Median Connecticut county 1.9
Hail days 2006–2025
- Windham County 17
- Median Connecticut county 21
Share 2 in or larger of sized reports
- Windham County 0%
- Median Connecticut county 2%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 3 | 3 | |||||||||||
| 2024 | 3 | 3 | |||||||||||
| 2023 | 2 | 2 | |||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 1 | 1 | 2 | ||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 1 | 1 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jul 3, 2025 | 3 | 1.75 in | — |
| May 8, 2024 | 3 | 1.75 in | — |
| Jun 6, 2023 | 1 | 0.88 in | — |
| Jun 2, 2023 | 1 | 1.75 in | — |
Largest hail on record
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Jul 3, 2025 | 1.75 ingolf ball | 1.47 SSE South Killingly | $5K | 17:45 local · NCEI |
| May 8, 2024 | 1.75 ingolf ball | Putnam | — | 15:44 local · NCEI |
| Jun 2, 2023 | 1.75 ingolf ball | 1.03 E Killingly Center | — | 15:00 local · NCEI |
| Jul 18, 2012 | 1.75 ingolf ball | Putnam | — | 14:00 local · NCEI |
| Jul 18, 2012 | 1.75 ingolf ball | Thompson | — | 14:00 local · NCEI |
Size of every report
- Under 1 in 28 57%
- 1–2 in 21 43%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Jul 3, 2025 | 1.75 ingolf ball | 1.47 SSE South Killingly | $5K | 17:45 local · NCEI |
| Jul 3, 2025 | 1.00 inquarter | East Brooklyn | — | 17:40 local · NCEI |
| Jul 3, 2025 | 1.00 inquarter | Killingly Center | — | 17:40 local · NCEI |
| May 8, 2024 | 1.00 inquarter | Hampton | — | 18:14 local · NCEI |
| May 8, 2024 | 1.50 inping pong ball | 1.24 SW Pomfret Lndg | — | 17:42 local · NCEI |
| May 8, 2024 | 1.75 ingolf ball | Putnam | — | 15:44 local · NCEI |
| Jun 6, 2023 | 0.88 innickel | 1.03 W North Woodstock | — | 15:38 local · NCEI |
| Jun 2, 2023 | 1.75 ingolf ball | 1.03 E Killingly Center | — | 15:00 local · NCEI |
| Jul 29, 2019 | 0.75 inpenny | 1.38 N West Woodstock | — | 15:35 local · NCEI |
| Jun 30, 2019 | 0.75 inpenny | Killingly Center | — | 14:05 local · NCEI |
| Jun 27, 2017 | 0.75 inpenny | Pomfret | — | 18:35 local · NCEI |
| May 25, 2014 | 1.00 inquarter | Woodstock | — | 13:46 local · NCEI |
Cities and towns in Windham County
| Place | Reports | Largest |
|---|---|---|
| South Woodstock | 13 | 1.50 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.
| Place | Reports | Hail days | Latest |
|---|---|---|---|
| Putnam | 4 | 4 | May 8, 2024 |
| South Windham | 4 | 4 | Jun 26, 2009 |
| Willimantic | 4 | 4 | Jun 22, 2012 |
| Dayville | 3 | 3 | Jul 3, 2025 |
| Plainfield Village | 3 | 3 | Jun 27, 2009 |
| Witches Woods | 3 | 3 | Jul 18, 2012 |
| East Brooklyn | 2 | 2 | Jul 3, 2025 |
| Lake Bungee | 2 | 2 | Jun 6, 2023 |
| Mechanicsville | 2 | 2 | Jul 18, 2012 |
| Brooklyn | 1 | 1 | May 25, 2014 |
| Mansfield Center | 1 | 1 | May 1, 1997 |
| Moosup | 1 | 1 | Jul 8, 1972 |
This county's FIPS code is no longer current in the Census Gazetteer (for example Connecticut's former counties); reports are shown as NOAA filed them.
Questions about hail in Windham County
How often does it hail in Windham County, Connecticut?
49 hail reports have been logged in Windham County since 1972. Over the 20 years 2006–2025 that averages 1.5 reports a year. That ranks #7 of 8 Connecticut counties by number of reports.
When is hail season in Windham County?
Most reports come in July, May, June. July alone accounts for 43% of all reports.
What is the largest hail recorded in Windham County?
1.75 in (golf ball size) on July 3, 2025 near 1.47 SSE South Killingly. 0% of reports here were 2 inches or larger.
When did it last hail in Windham County?
The most recent report in this data is from July 3, 2025 (1.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Windham County had in the last five years?
4 separate days with hail reports since November 3, 2021, adding up to 8 reports. The most recent was July 3, 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.