HailEvidence → hail history → Osco, IL
Osco, 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 Osco city centroid, 1950 to present.
Hail by year — last 15 years
| Year | Hail events ≤ 10 mi | Largest hail |
|---|---|---|
| 2026 | 0 | — |
| 2025 | 0 | — |
| 2024 | 11 | 1.75" (golf ball) |
| 2023 | 5 | 3.00" (tea cup) |
| 2022 | 4 | 1.00" (quarter) |
| 2021 | 0 | — |
| 2020 | 0 | — |
| 2019 | 1 | 1.00" (quarter) |
| 2018 | 0 | — |
| 2017 | 15 | 1.00" (quarter) |
| 2016 | 1 | 0.75" (penny) |
| 2015 | 2 | 1.50" (ping pong ball) |
| 2014 | 3 | 1.00" (quarter) |
| 2013 | 0 | — |
| 2012 | 0 | — |
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
- 120 thunderstorm-wind events, strongest 92 mph, most recent 2025-08-18.
- 21 tornado events, most recent 2025-04-20.
Most recent recorded events
| Date | Type | Magnitude | Distance |
|---|---|---|---|
| 2025-08-18 | Thunderstorm Wind | 64 mph | 8.5 mi |
| 2025-08-18 | Thunderstorm Wind | 58 mph | 8.7 mi |
| 2025-06-25 | Thunderstorm Wind | 58 mph | 10 mi |
| 2025-04-20 | Tornado | EFU | 4 mi |
| 2025-04-20 | Tornado | EF1 | 5.2 mi |
| 2025-04-20 | Tornado | EF0 | 7.9 mi |
| 2025-03-14 | Thunderstorm Wind | 70 mph | 5.4 mi |
| 2025-03-14 | Thunderstorm Wind | 70 mph | 9.9 mi |
| 2024-10-24 | Hail | 1.00" | 4.5 mi |
| 2024-07-15 | Tornado | EF1 | 8.9 mi |
2025-08-18: “A tree was blown down blocking the intersection of U.S. 6 and Highway 84.”
2025-08-18: “Lots of small branches blown down.”
2025-06-25: “Large tree branch was blown down.”
Disputing a claim at a Osco 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