Hail HistoryImam › Wisconsin › Jefferson County › Jefferson
Hail history im Jefferson, WI
Hail wutuk im 10 miles im Jefferson im 31 days im 2006. Stones imwin im 4.25 in im May 11, 2011. Hail ej common im June im April.
Recent hail im Jefferson
| Date | Hail size | Where |
|---|---|---|
| Apr 14, 2026 | 1.75 in golf ball | Grellton 1 hail report · closest 10 mi im Jefferson |
| Apr 18, 2025 | 2.00 in hen egg | Cold Spg, Milford, Fort Atkinson 7 hail reports · closest 6 mi im Jefferson |
One row im day: largest hail wutuk im day im 10 miles, places im number im wutuk.
Hail days near Jefferson by year
When hail season peaks near Jefferson
Of the 31 hail days since 2006, most fell in June (10) and April (6).
Largest hail storms near Jefferson
May 11, 2011 · 4.25 in · Jefferson (4 mi from Jefferson)
National Weather Service description (English): Report from the public of baseball-sized hail that broke windows on homes and vehicles.Apr 13, 2006 · 2.50 in (tennis ball) · Johnson Creek (6 mi from Jefferson)
National Weather Service description (English): Hail sizes ranged from 1.00 to 2.50 inches in diameter.Apr 18, 2025 · 2.00 in (hen egg) · Cold Spg (8 mi from Jefferson)
National Weather Service description (English): Hail size measured around 2.34 inches in diameter.Aug 24, 2006 · 1.75 in (golf ball) · Janesville (8 mi from Jefferson)
Jun 2, 2010 · 1.75 in (golf ball) · Lake Mills (7 mi from Jefferson)
Tornadoes within 10 miles of Jefferson
| Date | Rating | Where |
|---|---|---|
| May 26, 2024 | EF0 | Lake Koshkonong 9 mi from Jefferson |
| Mar 31, 2023 | EF0 | Cambridge 10 mi from Jefferson |
| Oct 12, 2022 | EF0 | Aztalan 5 mi from Jefferson |
| Jul 29, 2021 | EF0 | Grellton 8 mi from Jefferson |
| Oct 1, 2019 | EF0 | Busseyville 10 mi from Jefferson |
| Oct 1, 2019 | EF1 | Sullivan 9 mi from Jefferson |
| Jul 22, 2010 | EF0 | Farmington 9 mi from Jefferson |
| Jun 7, 2008 | EF0 | Aztalan 6 mi from Jefferson |
Damaging thunderstorm winds near Jefferson
57 reports of damaging thunderstorm wind within 10 miles of Jefferson since 2006, on 46 days. The strongest measured gust was 58 mph on May 22, 2011.
| Date | Strongest gust | Where |
|---|---|---|
| Jun 10, 2026 | 75 mph, ekkar | Fort Atkinson 1 wutuk wind |
| Apr 14, 2026 | 81 mph, ekkar | Cambridge 1 wutuk wind |
| Aug 24, 2023 | 58 mph, ekkar | Fort Atkinson, Jefferson 3 wutuk wind |
| Jul 28, 2023 | 75 mph, ekkar | Fort Atkinson 1 wutuk wind |
| Oct 12, 2022 | 58 mph, ekkar | Johnson Creek 1 wutuk wind |
| Sep 25, 2022 | 58 mph, ekkar | Lake Mills 1 wutuk wind |
| Jul 24, 2022 | 58 mph, ekkar | Fort Atkinson 1 wutuk wind |
| Jun 15, 2022 | 58 mph, ekkar | Fort Atkinson Muni Airport 1 wutuk wind |
| Jun 13, 2022 | 64 mph, ekkar | Lake Mills, Aztalan 2 wutuk wind |
| Aug 7, 2021 | 60 mph, ekkar | Fort Atkinson Muni Airport 1 wutuk wind |
Wind imwin thunderstorm ej 58 mph anikaj, im wind ej kajjitok dmg. Imwin wind ej imwin eokta weather stations; ekkar ej imwin eokta spotters im dmg surveys.
Jabdoñ eo an roof im hail?
Insurers ask for the date of loss. The dates on this page are when hail was reported near Jefferson; hail can hit one street and miss the next, so a report is not proof of damage at your address. A licensed roofer or your insurance adjuster can inspect the roof. Many policies set a time limit for filing a claim — check yours.
Rejyok eo
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46 hail days
Data: NOAA NCEI Storm Events Database (final records through Jun 30, 2026) and National Weather Service Local Storm Reports (preliminary, since then). Distances are measured from the center of Jefferson.
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