Hail HistoryHome › Illinois › Mchenry County › Harvard
Hail history for Harvard, IL
Hail has been reported within 10 miles of Harvard on 22 days since 2006. The largest stones measured 1.75 in (golf ball) on Aug 27, 2024. Hail is most common here in April and August.
Recent hail near Harvard
| Date | Hail size | Where |
|---|---|---|
| Aug 9, 2026 | 1 in quarter | Fontana-on-Geneva 1 hail report · closest 6 mi from Harvard |
| Apr 15, 2026 | 1 in quarter | Big Foot 1 hail report · closest 4 mi from Harvard |
One row per day: the largest hail reported that day within 10 miles, the places and the number of reports.
Hail days near Harvard by year
When hail season peaks near Harvard
Of the 22 hail days since 2006, most fell in April (5) and August (4).
Largest hail storms near Harvard
Jul 13, 2015 · 1.75 in (golf ball) · Capron (8 mi from Harvard)
Aug 27, 2024 · 1.75 in (golf ball) · Marengo (8 mi from Harvard)
Sep 7, 2021 · 1.5 in (ping pong ball) · Harvard (0 mi from Harvard)
Apr 10, 2017 · 1.25 in (half dollar) · Hartland (8 mi from Harvard)
Aug 25, 2006 · 1 in (quarter) · Fontana (9 mi from Harvard)
Tornadoes within 10 miles of Harvard
| Date | Rating | Where |
|---|---|---|
| Jun 22, 2024 | EF1 | Linton 9 mi from Harvard |
| May 7, 2024 | EF0 | Blaine 10 mi from Harvard |
| May 7, 2024 | EF0 | Chemung 6 mi from Harvard |
| May 7, 2024 | EF0 | Walworth Big Foot Airport 5 mi from Harvard |
| Jun 1, 2023 | EF? | Walworth Big Foot Airport 10 mi from Harvard |
| May 31, 2023 | EF? | Franklinville 8 mi from Harvard |
| Mar 31, 2023 | EF1 | Sharon 7 mi from Harvard |
| Mar 31, 2023 | EF0 | Sharon 7 mi from Harvard |
| Mar 31, 2023 | EF0 | Walworth 6 mi from Harvard |
| Apr 30, 2022 | EF? | Blaine 8 mi from Harvard |
| May 17, 2017 | EF1 | Chemung 5 mi from Harvard |
| Jul 18, 2015 | EF0 | Lawrence 2 mi from Harvard |
Damaging thunderstorm winds near Harvard
78 reports of damaging thunderstorm wind within 10 miles of Harvard since 2006, on 49 days. The strongest measured gust was 72 mph on Apr 14, 2026.
| Date | Strongest gust | Where |
|---|---|---|
| Jul 3, 2026 | damage reported | Sharon, Walworth 2 wind reports |
| Jun 11, 2026 | 58 mph, estimated | Fontana 1 wind report |
| Apr 17, 2026 | 63 mph, measured | Alden 1 wind report |
| Apr 14, 2026 | 72 mph, measured | Harvard 2 wind reports |
| Apr 2, 2026 | 60 mph, estimated | Hartland 1 wind report |
| Jun 3, 2025 | 64 mph, measured | Dacy Airport, Harvard, Walworth Big Foot Airport 6 wind reports |
| May 15, 2025 | 64 mph, measured | Marengo 1 wind report |
| Mar 15, 2025 | 64 mph, estimated | Hebron, Walworth Big Foot Airport 2 wind reports |
| Mar 14, 2025 | 63 mph, measured | Walworth Big Foot Airport 1 wind report |
| Aug 6, 2024 | 60 mph, estimated | Alden 1 wind report |
Severe thunderstorm wind means gusts of 58 mph or more, or wind that caused damage. Measured gusts come from weather stations; estimated ones from spotters and damage surveys.
Filing a roof or car hail claim?
Insurers ask for the date of loss. The dates on this page are when hail was reported near Harvard; 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.
Nearby cities
- Crystal Lake
53 hail days - Rockford
53 hail days - Janesville
33 hail days - Elgin
54 hail days - DeKalb
28 hail days - Streamwood
64 hail days - Palatine
59 hail days - Bartlett
66 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 Harvard.
Run a roofing company or a local news site? Show Harvard's hail history on your website with our free widget →