Hail history for Stockton, Illinois
NOAA hail reports in and within about 5 km (3 miles) of Stockton since 1974, with preliminary reports to November 3, 2026.
Readout · Stockton
- Last hail
- Apr 17, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 3
- since Nov 3, 2021 · 3 reports
- Largest ever
- 2.50 in
- tennis ball · Jul 24, 2009
20 reports on 14 days since 1974 · #121 of 378 Illinois places
Hail map · Stockton
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
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 Stockton is from April 17, 2026. A local roofer can check and document it at no cost.
What the record says about Stockton
The latest hail report in and around Stockton is from April 17, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 3 separate hail days; the biggest stones in that time were 1.75 in on April 4, 2023.
Over the 20 years 2006–2025, Stockton logged 16 reports on 10 hail days, about 0.8 reports a year. That is 60% more than the median Illinois town on this site (0.5 a year) and ranks #121 of 378 Illinois cities and towns on this site for all-time reports. Stockton accounts for 18% of the 113 reports filed in Jo Daviess County.
10% of reports with a size were 2 inches (hen egg) or larger, against 4% for the median Illinois town on this site. The largest hail on record here is 2.50 in (tennis ball) on July 24, 2009 near 2.13 NNW Stockton.
Reports were down 93% in 2016–2025 (1) compared with 2006–2015 (15). The busiest year was 2009, with 5 reports on 1 day. Hail here peaks in June (30% of reports); 65% fall between April and June.
Reports a year 2006–2025 average
- Stockton 0.8
- Jo Daviess County 3.4
- Median Illinois town on this site 0.5
Hail days 2006–2025
- Stockton 10
- Jo Daviess County 36
- Median Illinois town on this site 8
Share 2 in or larger of sized reports
- Stockton 10%
- Jo Daviess County 4%
- Median Illinois town on this site 4%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | 1 | 2 | ||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 0 | ||||||||||||
| 2023 | 1 | 1 | |||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Apr 17, 2026 | 1 | 1.00 in | — |
| Mar 10, 2026 | 1 | 0.88 in | — |
| Apr 4, 2023 | 1 | 1.75 in | — |
Largest hail on record
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Jul 24, 2009 | 2.50 intennis ball | 2.13 NNW Stockton | Jo Daviess | 16:58 local · NCEI |
| Jul 24, 2009 | 2.00 inhen egg | 0.51 W Stockton | Jo Daviess | 17:07 local · NCEI |
| Apr 4, 2023 | 1.75 ingolf ball | 1.23 NE Stockton Arpt | Jo Daviess | 20:23 local · NCEI |
| Jul 24, 2009 | 1.75 ingolf ball | 1.68 WSW Stockton Arpt | Jo Daviess | 17:09 local · NCEI |
| Jul 24, 2009 | 1.75 ingolf ball | 3.83 ENE Stockton | Jo Daviess | 17:04 local · NCEI |
Size of every report
- Under 1 in 9 45%
- 1–2 in 9 45%
- 2 in + 2 10%
Most recent reports
| Date | Size | Location | County | Time · source |
|---|---|---|---|---|
| Apr 17, 2026 | 1.00 inquarter | 3.49 N Stockton | Jo Daviess | 15:32 local · NCEI |
| Mar 10, 2026 | 0.88 innickel | 3.45 N Stockton | Jo Daviess | 19:08 local · NCEI |
| Apr 4, 2023 | 1.75 ingolf ball | 1.23 NE Stockton Arpt | Jo Daviess | 20:23 local · NCEI |
| Jun 8, 2015 | 0.75 inpenny | 3.49 N Stockton | Jo Daviess | 13:52 local · NCEI |
| Jun 8, 2015 | 0.88 innickel | 3.49 N Stockton | Jo Daviess | 13:48 local · NCEI |
| May 20, 2014 | 0.75 inpenny | 3.5 N Stockton | Jo Daviess | 16:30 local · NCEI |
| Apr 10, 2011 | 0.75 inpenny | 0.51 W Stockton | Jo Daviess | 19:54 local · NCEI |
| Apr 3, 2011 | 0.75 inpenny | 0.51 W Stockton | Jo Daviess | 23:01 local · NCEI |
| Sep 21, 2010 | 1.25 inhalf dollar | 0.51 W Stockton | Jo Daviess | 14:27 local · NCEI |
| May 12, 2010 | 0.88 innickel | 1.02 W Stockton Arpt | Jo Daviess | 17:04 local · NCEI |
| Jul 24, 2009 | 1.75 ingolf ball | 1.68 WSW Stockton Arpt | Jo Daviess | 17:09 local · NCEI |
| Jul 24, 2009 | 2.00 inhen egg | 0.51 W Stockton | Jo Daviess | 17:07 local · NCEI |
Hail history near Stockton
- Lena 15 km · 10
- Warren 16 km · 11
- Hanover 25 km · 11
- The Galena Territory 27 km · 12
- Mount Carroll 29 km · 16
- Freeport 31 km · 35
- Savanna 31 km · 13
- Galena 36 km · 10
Questions about hail in Stockton
How often does it hail in Stockton, Illinois?
20 hail reports have been logged in and within about 5 km (3 miles) of Stockton since 1974. Over the 20 years 2006–2025 that averages 0.8 reports a year. That ranks #121 of 378 Illinois places by number of reports.
When is hail season in Stockton?
Most reports come in June, July, April. June alone accounts for 30% of all reports.
What is the largest hail recorded in Stockton?
2.50 in (tennis ball size) on July 24, 2009 near 2.13 NNW Stockton. 10% of reports here were 2 inches or larger.
When did it last hail in Stockton?
The most recent report in this data is from April 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 Stockton had in the last five years?
3 separate days with hail reports since November 3, 2021, adding up to 3 reports. The most recent was April 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.