HailEvidence → hail history → Oswego, IL
Oswego, 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 Oswego city centroid, 1950 to present.
Hail by year — last 15 years
| Year | Hail events ≤ 10 mi | Largest hail |
|---|---|---|
| 2026 | 0 | — |
| 2025 | 1 | 1.50" (ping pong ball) |
| 2024 | 3 | 1.50" (ping pong ball) |
| 2023 | 34 | 3.00" (tea cup) |
| 2022 | 1 | 1.00" (quarter) |
| 2021 | 1 | 1.00" (quarter) |
| 2020 | 2 | 1.00" (quarter) |
| 2019 | 12 | 2.00" (hen egg) |
| 2018 | 3 | 1.00" (quarter) |
| 2017 | 7 | 1.50" (ping pong ball) |
| 2016 | 0 | — |
| 2015 | 1 | 1.75" (golf ball) |
| 2014 | 5 | 1.75" (golf ball) |
| 2013 | 13 | 2.00" (hen egg) |
| 2012 | 6 | 1.50" (ping pong 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
- 344 thunderstorm-wind events, strongest 92 mph, most recent 2025-08-17.
- 40 tornado events, most recent 2025-03-14.
Most recent recorded events
| Date | Type | Magnitude | Distance |
|---|---|---|---|
| 2025-08-17 | Thunderstorm Wind | 60 mph | 2 mi |
| 2025-08-16 | Thunderstorm Wind | 60 mph | 3.5 mi |
| 2025-08-16 | Thunderstorm Wind | 60 mph | 4.9 mi |
| 2025-08-16 | Hail | 1.50" | 8.5 mi |
| 2025-08-16 | Thunderstorm Wind | 60 mph | 4.9 mi |
| 2025-08-16 | Thunderstorm Wind | 60 mph | 5.5 mi |
| 2025-08-16 | Thunderstorm Wind | 60 mph | 7.4 mi |
| 2025-08-16 | Thunderstorm Wind | 70 mph | 7.1 mi |
| 2025-08-16 | Thunderstorm Wind | 60 mph | 8 mi |
| 2025-08-16 | Thunderstorm Wind | 60 mph | 7.3 mi |
2025-08-17: “Seven to ten large tree limbs were downed at Long Beach Elementary. Time was estimated based on radar.”
2025-08-16: “A tree roughly 12 to 14 feet tall and 2 to 3 feet thick fell onto a wire along Stephen Dr in Montgomery.”
2025-08-16: “A tree and power lines were blown down on Rockwell Rd in Aurora.”
Disputing a claim at a Oswego 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