/ Storm field report · Cook

Hail in Hoffman Estates · Jul 3, 2026

NEXRAD logged 23 hail signatures up to 1.75"; the estimated-size surface reached 0.5" aloft. Open it on the live map to see the swath over the streets.

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Peak hail signal 1.75" ≈ golf ball · the largest NEXRAD radar signature
Homes in the hail footprint 17,501
Ground reports 0 none filed
Radar surfaces 2 NEXRAD + estimated size

Convective day · Jul 3, 2026 · noon–noon UTC

Severity

The 2nd most severe storm Hoffman Estates has seen in the last 12 months

Composite score · 4.7 / 10
Storm severity score

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

4.7 /10
Peak hail signal
44 /100

Largest radar-indicated size — a signal of damage potential, not confirmation.

Homes exposed
85 /100

How many homes sit inside the storm's footprint.

Ground truth
0 /100

Independent storm reports filed with the NWS.

Evidence / storm surfaces

How Hoffman Estates saw the hail — from two instruments

Jul 3, 2026 · Hoffman Estates, IL

Each storm gets two readings: the radar signatures NEXRAD recorded as the cells passed overhead, and a modeled estimate of hail size in the air. They are independent surfaces, so a mismatch between them is expected — and worth reading.

NEXRAD radar signatures Surface resolved
NEXRAD radar-signature map of the hail storm over Hoffman Estates, IL on Jul 3, 2026 Radar signature field

The point detections NEXRAD recorded overhead. Each signature marks where the radar saw hail aloft — it is a detection, not a stone measured on the ground.

Max size 1.75" Detections 23
Radar-estimated hail size Surface resolved
Radar-estimated hail-size map of the storm over Hoffman Estates, IL on Jul 3, 2026 Estimated size field

Radar-estimated hail size over the swath. The model reports the biggest stone the storm could sustain in the air; what actually fell may have been smaller.

Max size 0.5"

The storm in context

Where Jul 3, 2026 sits in Hoffman Estates's hail record.

This was Hoffman Estates's 2nd recorded hail day, arriving 80 days after the Apr 14, 2026 storm. By severity it ranks 2nd of the 4 storms we have logged here. Radar put the day's largest stone over Hoffman Estates at 1.75" — the largest NEXRAD radar signature.

The Jul 3, 2026 convective day was bigger than Hoffman Estates: the same system put hail over 1,885 other tracked cities, 215 of them in Illinois. Nearest: Barrington (5 miles west, up to 1.75"); South Barrington (5 miles west, up to 1.75"); Schaumburg (7 miles south, up to 1.75").

These maps are stills. In the app this date is one of 4 Hoffman Estates storm dates on a live map — both surfaces, the reports, and a replay — and the same map is where you draw the swath. This page rebuilds nightly.

Ground reports

What people on the ground reported

No reports filed with the NWS

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.

For this storm over Hoffman Estates, the NWS report log is empty — a common outcome, since ground reports only happen when someone witnesses the hail and takes the time to call it in. The detection record for the date lives in the radar maps above.

High damage potential

What 1.75" hail means for Hoffman Estates roofs.

Hail around an inch and a half is capable of cracking shingles, stripping granules, and denting gutters, vents, and siding. Risk is usually greatest near the strongest radar signal, but property-level damage still requires an on-site inspection.

Radar reading · not confirmed damage

Roofing exposure

What this storm is worth to a roofer.

17,501 homes × $12,000 avg. claim

Potential roof exposure

$210M

Potential roof exposure — 17,501 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.

Illustrative jobs
88 jobs
Illustrative work
~$1.3M

Close just 0.5% of the 17,501 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.

Claim window

July 2028

Claims from this storm can typically be filed until around July 2028 — the window to reach these homeowners while it's still open. Deadlines vary by policy and state.

Names and phones for every home in the footprint: at most $3,675 on top of the $150 plan.

Hoffman Estates hail history

4 recorded storm days in Hoffman Estates, IL

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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 tells you where to look. Only an inspection confirms damage at an address. Last updated Aug 10, 2026.