Hail history for Stephenson County, Illinois
Every NOAA hail report filed in Stephenson County since 1972, with preliminary National Weather Service reports to November 3, 2026.
Readout · Stephenson County
- Last hail
- Jul 3, 2026
- 1.00 in, quarter size
- Hail days, last 5 years
- 10
- since Nov 3, 2021 · 29 reports
- Largest ever
- 3.00 in
- teacup · Apr 17, 2026
136 reports on 71 days since 1972 · #33 of 103 Illinois counties
Hail map · Stephenson 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 Stephenson County
The latest hail report in Stephenson County is from July 3, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 10 separate hail days; the biggest stones in that time were 3.00 in on April 17, 2026.
Over the 20 years 2006–2025, Stephenson County logged 78 reports on 41 hail days, about 3.9 reports a year. That is 50% more than the median Illinois county (2.6 a year) and ranks #33 of 103 Illinois counties for all-time reports. Stephenson County holds 1% of all 12,418 hail reports in Illinois.
10% of reports with a size were 2 inches (hen egg) or larger, against 5% for the median Illinois county. The largest hail on record here is 3.00 in (teacup) on April 17, 2026 near Dakota Dornink Arpt.
Reports were down 58% in 2016–2025 (23) compared with 2006–2015 (55). The busiest year was 2026, with 18 reports on 3 days. Hail here peaks in April (27% of reports); 60% fall between April and June.
Reports a year 2006–2025 average
- Stephenson County 3.9
- Median Illinois county 2.6
Hail days 2006–2025
- Stephenson County 41
- Median Illinois county 34
Share 2 in or larger of sized reports
- Stephenson County 10%
- Median Illinois county 5%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 9 | 8 | 1 | 18 | |||||||||
| 2025 | 2 | 2 | |||||||||||
| 2024 | 3 | 1 | 1 | 5 | |||||||||
| 2023 | 2 | 2 | |||||||||||
| 2022 | 1 | 1 | 2 | ||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 3 | 1 | 4 | ||||||||||
| 2019 | 1 | 1 | |||||||||||
| 2018 | 4 | 4 | |||||||||||
| 2017 | 1 | 1 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jul 3, 2026 | 1 | 1.00 in | — |
| Apr 17, 2026 | 8 | 3.00 in | — |
| Mar 10, 2026 | 9 | 2.75 in | — |
| Aug 16, 2025 | 2 | 3.00 in | — |
| May 21, 2024 | 1 | 1.00 in | — |
| Apr 27, 2024 | 1 | 0.75 in | — |
| Feb 8, 2024 | 3 | 1.50 in | — |
| Apr 4, 2023 | 2 | 1.75 in | — |
| Jul 23, 2022 | 1 | 1.00 in | — |
| May 13, 2022 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | Time · source |
|---|---|---|---|
| Apr 17, 2026 | 3.00 inteacup | Dakota Dornink Arpt | 15:24 local · NCEI |
| Aug 16, 2025 | 3.00 inteacup | Winslow | 18:33 local · NCEI |
| Apr 7, 2020 | 3.00 inteacup | 0.69 N Rock Grove | 17:28 local · NCEI |
| Jun 12, 2008 | 3.00 inteacup | 0.42 SW Ridott | 14:15 local · NCEI |
| Apr 17, 2026 | 2.75 inbaseball | 0.86 NW Dakota | 15:45 local · NCEI |
Size of every report
- Under 1 in 53 39%
- 1–2 in 69 51%
- 2 in + 14 10%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Jul 3, 2026 | 1.00 inquarter | 2.07 S Cedarville | 16:28 local · NCEI |
| Apr 17, 2026 | 2.75 inbaseball | 0.86 NW Dakota | 15:45 local · NCEI |
| Apr 17, 2026 | 2.00 inhen egg | Lake Summerset | 15:40 local · NCEI |
| Apr 17, 2026 | 1.75 ingolf ball | 1.23 NE Winneshiek | 15:29 local · NCEI |
| Apr 17, 2026 | 1.00 inquarter | 1.23 NE Winneshiek | 15:26 local · NCEI |
| Apr 17, 2026 | 1.00 inquarter | 1.23 SW Winneshiek | 15:25 local · NCEI |
| Apr 17, 2026 | 3.00 inteacup | Dakota Dornink Arpt | 15:24 local · NCEI |
| Apr 17, 2026 | 1.75 ingolf ball | 0.86 NW Dakota | 15:24 local · NCEI |
| Apr 17, 2026 | 1.75 ingolf ball | 1.23 SE Rock Grove | 15:18 local · NCEI |
| Mar 10, 2026 | 1.00 inquarter | 1.23 NW Lake Summerset | 19:27 local · NCEI |
| Mar 10, 2026 | 2.75 inbaseball | 1.02 W Lake Summerset | 18:52 local · NCEI |
| Mar 10, 2026 | 1.75 ingolf ball | 0.69 N Davis | 18:50 local · NCEI |
Cities and towns in Stephenson County
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 |
|---|---|---|---|
| Rock City | 8 | 8 | Apr 17, 2026 |
| Winslow | 8 | 6 | Aug 16, 2025 |
| Orangeville | 7 | 6 | Apr 7, 2020 |
| Davis | 6 | 6 | Mar 10, 2026 |
| German Valley | 6 | 6 | Aug 12, 2011 |
| Pearl City | 6 | 5 | May 26, 2012 |
| Willow Lake | 5 | 5 | Jul 3, 2026 |
| Ridott | 4 | 3 | Aug 12, 2011 |
| Baileyville | 3 | 3 | Mar 15, 2016 |
| Cedarville | 3 | 3 | Apr 4, 2023 |
Questions about hail in Stephenson County
How often does it hail in Stephenson County, Illinois?
136 hail reports have been logged in Stephenson County since 1972. Over the 20 years 2006–2025 that averages 3.9 reports a year. That ranks #33 of 103 Illinois counties by number of reports.
When is hail season in Stephenson County?
Most reports come in April, June, August. April alone accounts for 27% of all reports.
What is the largest hail recorded in Stephenson County?
3.00 in (teacup size) on April 17, 2026 near Dakota Dornink Arpt. 10% of reports here were 2 inches or larger.
When did it last hail in Stephenson County?
The most recent report in this data is from July 3, 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 Stephenson County had in the last five years?
10 separate days with hail reports since November 3, 2021, adding up to 29 reports. The most recent was July 3, 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.