Storm report · Cook

Hail in Western Springs Mar 30, 2026

Both radar surfaces caught this storm: NEXRAD logged 0 hail signatures up to 1.75", and the radar-estimated size reached 1.5" aloft.

Largest hailstone

1.75"

≈ golf ball · the largest NEXRAD radar signature
Homes in the hail footprint

57,353

Ground reports

9

9 hail
Severity

The 2nd most severe storm Western Springs has seen in the last 12 months

Storm severity score

Overview's storm severity score weighs hailstone size, homes in the footprint, and ground-truth reports.

6.5 /10
Hail size
44 /100

Largest hailstone — the top predictor of roof damage.

Homes exposed
95 /100

How many homes sit inside the storm's footprint.

Ground truth
100 /100

Independent storm reports filed with the NWS.

Two ways to read the storm

How Western Springs saw the hail — from two instruments

The maps here read the same storm from two angles — point detections from NEXRAD, and modeled hail size aloft. Where the two disagree is informative: it marks where estimated size outran the signatures, or trailed them.

NEXRAD radar signatures
NEXRAD radar-signature map of the hail storm over Western Springs, IL on Mar 30, 2026

Where NEXRAD flagged hail as the storm passed — point signatures from the radar, which indicate hail overhead rather than confirm what landed.

Max size 1.75" Detections 0
Radar-estimated hail size
Radar-estimated hail-size map of the storm over Western Springs, IL on Mar 30, 2026

The modeled maximum hail size across the swath, derived from radar aloft — the largest stone the storm could have supported, which is not necessarily what reached the ground.

Max size 1.5"
The storm in context

Where Mar 30, 2026 sits in Western Springs's hail record

This was Western Springs's 3rd recorded hail day, arriving 4 days after the Mar 26, 2026 storm. By severity it ranks 2nd of the 4 storms we have logged here. Radar put the day's largest stone over Western Springs at 1.75" — the largest NEXRAD radar signature.

The Mar 30, 2026 convective day was bigger than Western Springs: the same system put hail over 313 other tracked cities, 70 of them in Illinois. Nearest: Berwyn (5 miles east, up to 1.75"); Downers Grove (5 miles west, up to 1.75"); Willow Springs (7 miles south, up to 1").

These maps are stills from Western Springs's Mar 30, 2026 storm. In the Overview app the same surfaces are live — radar updating in real time, radar-estimated hail size as it forms, and NWS spotter reports pinned where they're filed — with a radar replay you can scrub back over any past day.

Ground reports

What people on the ground reported

These are storm reports filed with the National Weather Service and released through the NOAA Storm Prediction Center — public-domain observations from spotters, the public, and NWS surveys. We quote each one exactly as filed.

Hail reports

9 reports
Hail size 1"
1 SSW Brookfield Cook County

“Time estimated via radar. (LOT)”

— NOAA / SPC storm report
Hail size 1.25"
1 N McCook Cook County

“(LOT)”

— NOAA / SPC storm report
Hail size 1.75"
1 W Oak Brook DuPage County

“Time estimated via radar. (LOT)”

— NOAA / SPC storm report
Hail size 1.75"
1 N Hinsdale DuPage County

“(LOT)”

— NOAA / SPC storm report
Hail size 1"
1 S Oak Brook DuPage County

“Report relayed via EM. Time estimated from radar. (LOT)”

— NOAA / SPC storm report
Hail size 1.5"
1 SSW Oak Brook DuPage County

“Time estimated via radar. (LOT)”

— NOAA / SPC storm report
Hail size 1"
Westchester Cook County

“(LOT)”

— NOAA / SPC storm report
Hail size 1"
La Grange Park Cook County

“Time estimated via radar. (LOT)”

— NOAA / SPC storm report
Hail size 1"
La Grange Park Cook County

“Report from mPING: Quarter (1.00 in.). (LOT)”

— NOAA / SPC storm report
Storm forensics

How the storm moved

Hail was reported over 18 minutes, from to .

Reports came from Brookfield, Mccook, Oak Brook, Hinsdale, Westchester, and La Grange Park — beyond Western Springs itself.

Read from the arrival times and locations of the NOAA ground reports, not a radar-measured storm track.
Widespread claimable damage

What 1.75" hail means for Western Springs roofs

At an inch and a half, hail cracks shingles, strips granules down to the mat, and dents gutters, vents, and siding. A footprint like this typically produces a wave of insurance claims — and the contractor who reaches the homeowner first usually gets the inspection.

What this storm is worth to a roofer

$688M

Potential roof exposure — 57,353 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
Illustrative jobs
287 jobs
Illustrative work
~$4.3M
Close just 0.5% of the 57,353 homes in this footprint at the average $15,000 roof job. Illustrative math, not a projection — your results depend on your outreach and how the market responds.
Claims from this storm can typically be filed until around March 2028 — the window to reach these homeowners while it's still open. Deadlines vary by policy and state.

Track hail over Western Springs on the live map

Radar updates in real time, spotter reports appear on the map as they're filed, and the full Western Springs storm history — this Mar 30, 2026 storm included — sits underneath. When you're ready, draw this storm's footprint and pull highly accurate homeowner contact information for every address inside it.

Highly accurate contact information starting at $0.23 per address — every contact included. Digital leads cost $15–$40. Start with a 7-day free trial — no credit card required. See pricing

Western Springs hail history

4 recorded storm days in Western Springs, IL

← All hail in Western Springs

Other storms in Western Springs

A storm day here is a convective day — it runs from noon to noon UTC, so late-night hail is grouped with the afternoon storm that spawned it rather than split across two calendar dates. Ground reports are public-domain observations from the NOAA Storm Prediction Center. Radar surfaces are detections and estimates, not confirmed damage. Last updated Aug 3, 2026.