HailEvidence → hail history → Westmont, IL
Westmont, 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 Westmont city centroid, 1950 to present.
Hail by year — last 15 years
| Year | Hail events ≤ 10 mi | Largest hail |
|---|---|---|
| 2026 | 0 | — |
| 2025 | 6 | 1.50" (ping pong ball) |
| 2024 | 12 | 2.50" (tennis ball) |
| 2023 | 7 | 1.50" (ping pong ball) |
| 2022 | 1 | 1.00" (quarter) |
| 2021 | 2 | 1.00" (quarter) |
| 2020 | 4 | 1.50" (ping pong ball) |
| 2019 | 7 | 1.75" (golf ball) |
| 2018 | 4 | 1.00" (quarter) |
| 2017 | 4 | 1.00" (quarter) |
| 2016 | 0 | — |
| 2015 | 7 | 1.75" (golf ball) |
| 2014 | 10 | 1.25" (half dollar) |
| 2013 | 13 | 1.75" (golf ball) |
| 2012 | 14 | 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
- 485 thunderstorm-wind events, strongest 98 mph, most recent 2025-08-17.
- 41 tornado events, most recent 2024-07-15.
Most recent recorded events
| Date | Type | Magnitude | Distance |
|---|---|---|---|
| 2025-08-17 | Thunderstorm Wind | 60 mph | 2.4 mi |
| 2025-08-17 | Thunderstorm Wind | 60 mph | 2.2 mi |
| 2025-08-17 | Thunderstorm Wind | 60 mph | 3.2 mi |
| 2025-08-17 | Thunderstorm Wind | 60 mph | 4.3 mi |
| 2025-08-17 | Thunderstorm Wind | 61 mph | 6.2 mi |
| 2025-08-17 | Thunderstorm Wind | 60 mph | 7.7 mi |
| 2025-08-16 | Hail | 1.00" | 3.4 mi |
| 2025-08-16 | Thunderstorm Wind | 60 mph | 5.3 mi |
| 2025-07-24 | Thunderstorm Wind | 69 mph | 8.9 mi |
| 2025-07-24 | Thunderstorm Wind | 63 mph | 9.3 mi |
2025-08-17: “Downed power lines, a snapped tree trunk, and several large branches were reported down in the vicinity of 63rd and Main Streets in Downers Grove.”
2025-08-17: “Several large tree limbs 6 to 12 inches in diameter were downed near 59th and Carpenter Streets in Downers Grove.”
2025-08-17: “Highland Ave in Downers Grove was closed at 31st St due to downed power lines.”
Disputing a claim at a Westmont 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