HailEvidence → hail history → Janesville, IL
Janesville, IL hail history
Every figure below is from the NOAA NCEI Storm Events Database — the official NWS record — counting events recorded within 10 miles of the Janesville city centroid, 1950 to present.
Hail by year — last 15 years
| Year | Hail events ≤ 10 mi | Largest hail |
|---|---|---|
| 2026 | 0 | — |
| 2025 | 1 | 1.25" (half dollar) |
| 2024 | 4 | 1.75" (golf ball) |
| 2023 | 4 | 1.00" (quarter) |
| 2022 | 0 | — |
| 2021 | 0 | — |
| 2020 | 3 | 1.25" (half dollar) |
| 2019 | 1 | 1.25" (half dollar) |
| 2018 | 3 | 1.00" (quarter) |
| 2017 | 0 | — |
| 2016 | 0 | — |
| 2015 | 5 | 1.25" (half dollar) |
| 2014 | 3 | 2.50" (tennis ball) |
| 2013 | 0 | — |
| 2012 | 2 | 1.75" (golf ball) |
Note: the current and prior year reflect the latest NCEI compile and grow as NWS finalizes reports; same-day activity appears on this site's storm-day pages before it reaches this table.
Wind and tornado record
- 184 thunderstorm-wind events, strongest 98 mph, most recent 2025-07-20.
- 19 tornado events, most recent 2025-04-30.
Most recent recorded events
| Date | Type | Magnitude | Distance |
|---|---|---|---|
| 2025-07-20 | Thunderstorm Wind | 60 mph | 9.5 mi |
| 2025-07-12 | Thunderstorm Wind | 60 mph | 9.3 mi |
| 2025-06-27 | Thunderstorm Wind | 62 mph | 6.7 mi |
| 2025-06-18 | Thunderstorm Wind | 60 mph | 5.9 mi |
| 2025-06-18 | Thunderstorm Wind | 60 mph | 9.8 mi |
| 2025-05-16 | Hail | 1.25" | 8.4 mi |
| 2025-04-30 | Tornado | EFU | 1.8 mi |
| 2025-04-02 | Tornado | EF2 | 9.8 mi |
| 2025-04-02 | Thunderstorm Wind | 70 mph | 9.5 mi |
| 2025-04-02 | Thunderstorm Wind | 70 mph | 8.2 mi |
2025-07-20: “A large tree limb was blown onto power lines.”
2025-07-12: “A large tree was blown onto a home.”
2025-06-27: “A 62 mph gust was measured by the ASOS at the Coles County Aiport (KMTO).”
Disputing a claim at a Janesville address?
This page covers the city. A claim dispute needs the record around your address: every NWS-recorded event within 1, 3 and 10 miles, the disputed date highlighted, citations formatted for an insurance appeal.
Verify an address — $29source: NOAA NCEI Storm Events computed 2026-06-12