Watertown, WI Hail Reports
Last reported hail near Watertown, WI: Apr 17, 2026 — 1″ reported 0.5 mi E. Since then, radar has estimated hail up to 1.89″ over the area on 3 days, most recently Sep 4, 2026. 24 hail reports on 11 storm days within 10 miles of Watertown, WI since November 2020; radar detected hail over the area on 35 days since October 2020.
Hail map for Watertown, WI
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Largest hail on record near Watertown, WI
The biggest hail reported within 10 miles of Watertown, WI, as ground reports since November 2020. Each links to its day below.
Hail near Watertown, WI, day by day
Every storm day with a hail report or a radar hail estimate within 10 miles of Watertown, WI, newest first. Open a day to see its individual reports.
| Date | Reported (largest) | Reports (1.00″+) | Radar estimate | Closest report | Storm report | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No report | 0 | 0.76″ | — | ||||||||||||||||||||||||||||||||||
| No report | 0 | 1.89″ | — | ||||||||||||||||||||||||||||||||||
| No report | 0 | 1.49″ | — | ||||||||||||||||||||||||||||||||||
| 1″ | 1 (1) | 0.93″ | 0.5 mi E | ||||||||||||||||||||||||||||||||||
Show 1 report from Apr 17, 2026
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| 2.75″ | 7 (7) | 2.07″ | 0.1 mi NW | Full report for Apr 14, 2026 | |||||||||||||||||||||||||||||||||
Show 7 reports from Apr 14, 2026
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| No report | 0 | 1.22″ | — | ||||||||||||||||||||||||||||||||||
| No report | 0 | 0.89″ | — | ||||||||||||||||||||||||||||||||||
| No report | 0 | 1.13″ | — | ||||||||||||||||||||||||||||||||||
| 2.5″ | 2 (2) | 2.18″ | 7.8 mi ESE | ||||||||||||||||||||||||||||||||||
Show 2 reports from May 15, 2025
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| 1.75″ | 5 (5) | 1.37″ | 1.4 mi N | ||||||||||||||||||||||||||||||||||
Show 5 reports from Apr 18, 2025
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| No report | 0 | 0.89″ | — | ||||||||||||||||||||||||||||||||||
| No report | 0 | 0.84″ | — | ||||||||||||||||||||||||||||||||||
| No report | 0 | 1.20″ | — | ||||||||||||||||||||||||||||||||||
| No report | 0 | 1.26″ | — | ||||||||||||||||||||||||||||||||||
| No report | 0 | 1.19″ | — | ||||||||||||||||||||||||||||||||||
| 1″ | 1 (1) | 1.18″ | 2.4 mi NNW | ||||||||||||||||||||||||||||||||||
Show 1 report from Oct 23, 2023
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| No report | 0 | 0.86″ | — | ||||||||||||||||||||||||||||||||||
| No report | 0 | 0.93″ | — | ||||||||||||||||||||||||||||||||||
| No report | 0 | 1.07″ | — | ||||||||||||||||||||||||||||||||||
| 1″ | 1 (1) | None stored | 6.6 mi ESE | ||||||||||||||||||||||||||||||||||
Show 1 report from Apr 19, 2023
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| 0.88″ | 1 (0) | 0.86″ | 2.6 mi ENE | ||||||||||||||||||||||||||||||||||
Show 1 report from Apr 15, 2023
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| No report | 0 | 0.80″ | — | ||||||||||||||||||||||||||||||||||
| No report | 0 | 1.16″ | — | ||||||||||||||||||||||||||||||||||
| No report | 0 | 1.68″ | — | ||||||||||||||||||||||||||||||||||
| No report | 0 | 1.21″ | — | ||||||||||||||||||||||||||||||||||
| 1.75″ | 3 (3) | 3.75″ | 1.2 mi WSW | Full report for Jun 13, 2022 | |||||||||||||||||||||||||||||||||
Show 3 reports from Jun 13, 2022
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| No report | 0 | 0.79″ | — | ||||||||||||||||||||||||||||||||||
| No report | 0 | 0.75″ | — | ||||||||||||||||||||||||||||||||||
| No report | 0 | 1.28″ | — | ||||||||||||||||||||||||||||||||||
| No report | 0 | 1.17″ | — | ||||||||||||||||||||||||||||||||||
| No report | 0 | 1.00″ | — | ||||||||||||||||||||||||||||||||||
| No report | 0 | 1.13″ | — | ||||||||||||||||||||||||||||||||||
| 1″ | 1 (1) | 1.06″ | 1.2 mi WSW | ||||||||||||||||||||||||||||||||||
Show 1 report from Sep 7, 2021
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| No report | 0 | 0.98″ | — | ||||||||||||||||||||||||||||||||||
| 1.5″ | 1 (1) | 1.06″ | 7.6 mi S | ||||||||||||||||||||||||||||||||||
Show 1 report from Aug 6, 2021
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| 0.88″ | 1 (0) | 0.82″ | 1.3 mi NW | ||||||||||||||||||||||||||||||||||
Show 1 report from Jun 11, 2021
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Reported sizes are ground reports filed by trained spotters, the public and emergency managers. Radar estimates come from MESH radar analysis and are not measurements. Both are within 10 miles of Watertown, WI. Ground reports start Nov 24, 2020, so earlier days show "Not covered". Radar starts Oct 14, 2020. Report times are local to Watertown, WI.
Hail near Watertown, WI by year and month
| Year | Storm days | Reports | Largest reported | Radar max |
|---|---|---|---|---|
| 2026 | 5 | 8 | 2.75″ | 2.07″ |
| 2025 | 5 | 7 | 2.5″ | 2.18″ |
| 2024 | 5 | 0 | — | 1.26″ |
| 2023 | 6 | 3 | 1″ | 1.18″ |
| 2022 | 9 | 3 | 1.75″ | 3.75″ |
| 2021 | 6 | 3 | 1.5″ | 1.13″ |
| Month | Storm days | Bar |
|---|---|---|
| January | 0 | |
| February | 2 | |
| March | 0 | |
| April | 6 | |
| May | 2 | |
| June | 8 | |
| July | 4 | |
| August | 7 | |
| September | 6 | |
| October | 1 | |
| November | 0 | |
| December | 0 |
Hail near Watertown, WI has been recorded most often in June: 8 of 36 storm days.
HailPing storm reports near Watertown, WI
Storms HailPing grouped and published as full reports (hail of 1.00 inch or larger), newest first. The day-by-day list above includes every report.
| Date | Max hail | Reports 1.00″+ | Reports 1.75″+ |
|---|---|---|---|
| Apr 14, 2026 | 2.75″ | 21 | 5 |
Recent hail storms near Watertown, WI
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— hail up to 2.75″
Storm summary, April 14, 2026
On Apr 14, 2026, hail was reported across the Watertown / Menomonee Falls / Germantown corridor. Reports concentrated near Watertown, Menomonee Falls, Germantown, Merton, Oconomowoc, and Hartland. The largest reported hailstone measured 2.75 inches. HailPing grouped 21 reports of 1.00 inches or larger into this storm event.
About hail in Watertown, WI
Hail or a radar hail estimate came within 10 miles of Watertown, WI on 36 storm days across 2020–2026, an average of 6.2 a year over the full calendar years 2021–2025. June is the busiest month, with 8 of 36 storm days. The largest hail reported since November 2020 measured 2.75 inches on April 14, 2026.
How these figures are counted
Population and household figures are public census estimates for the city itself. Hail event counts and sizes come from reports HailPing has recorded, which may be delayed, incomplete, or later corrected — they are not confirmed hail damage or repair demand. Read the full HailPing Disclaimer
Common questions
When did it last hail in Watertown, WI?
The last reported hail within 10 miles of Watertown, WI was on April 17, 2026: hail up to 1 inch was reported, the nearest 0.5 mi E from Watertown, WI. Since then, radar has estimated hail up to 1.89″ over the area on 3 days, most recently Sep 4, 2026. 24 hail reports on 11 storm days within 10 miles of Watertown, WI since November 2020; radar detected hail over the area on 35 days since October 2020.
How big was the hail in Watertown, WI?
The largest hail reported within 10 miles of Watertown, WI on April 17, 2026 measured 1 inch. The largest hail reported near Watertown, WI since November 2020 measured 2.75 inches on April 14, 2026.
How many hail reports were there near Watertown, WI?
24 hail reports on 11 storm days within 10 miles of Watertown, WI since November 2020, of which 22 measured 1.00 inch or larger. Every day is listed on this page.
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