/ Storm field report · Corson

Hail in Mc Laughlin · Jul 7, 2026

NEXRAD logged 17 hail signatures up to 1.75"; the estimated-size surface reached 1.5" 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 37
Ground reports 0 none filed
Radar surfaces 2 NEXRAD + estimated size

Convective day · Jul 7, 2026 · noon–noon UTC

Severity

The 4th most severe storm Mc Laughlin has seen in the last 12 months

Composite score · 3.4 / 10
Storm severity score

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

3.4 /10
Peak hail signal
44 /100

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

Homes exposed
32 /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 Mc Laughlin saw the hail — from two instruments

Jul 7, 2026 · Mc Laughlin, SD

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 Mc Laughlin, SD on Jul 7, 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 17
Radar-estimated hail size Surface resolved
Radar-estimated hail-size map of the storm over Mc Laughlin, SD on Jul 7, 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 1.5"

The storm in context

Where Jul 7, 2026 sits in Mc Laughlin's hail record.

This was Mc Laughlin's 5th recorded hail day, arriving 5 days after the Jul 2, 2026 storm. By severity it ranks 4th of the 13 storms we have logged here. Radar put the day's largest stone over Mc Laughlin at 1.75" — the largest NEXRAD radar signature.

The Jul 7, 2026 convective day was bigger than Mc Laughlin: the same system put hail over 568 other tracked cities, 94 of them in South Dakota. Nearest: Wakpala (16 miles southeast, up to 1.75"); Trail City (21 miles south, up to 2.5"); Glenham (24 miles southeast, up to 2.5").

These maps are stills. In the app this date is one of 13 Mc Laughlin 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.

The National Weather Service logged no spotter reports for this storm over Mc Laughlin. That absence is ordinary — filing a report takes a person on the spot who saw the hail and phoned it in. What stands as the record for this date is the radar above, which caught the storm regardless.

High damage potential

What 1.75" hail means for Mc Laughlin 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.

37 homes × $12,000 avg. claim

Potential roof exposure

$444K

Potential roof exposure — 37 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.

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 $8 on top of the $150 plan.

Mc Laughlin hail history

13 recorded storm days in Mc Laughlin, SD
Radar-estimated hail-size map of the storm over Mc Laughlin, SD on Sep 13, 2026 Estimated-size surface
Storm date Mc Laughlin / SD

Sep 13, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Mc Laughlin, SD on Sep 5, 2026 Estimated-size surface
Storm date Mc Laughlin / SD

Sep 5, 2026

1"
Estimated 1"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Mc Laughlin, SD on Aug 30, 2026 Estimated-size surface
Storm date Mc Laughlin / SD

Aug 30, 2026

0.75"
Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Mc Laughlin, SD on Aug 29, 2026 Estimated-size surface
Storm date Mc Laughlin / SD

Aug 29, 2026

1.25"
Estimated 1.25"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Mc Laughlin, SD on Aug 12, 2026 Estimated-size surface
Storm date Mc Laughlin / SD

Aug 12, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Mc Laughlin, SD on Jul 30, 2026 Estimated-size surface
Storm date Mc Laughlin / SD

Jul 30, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Mc Laughlin, SD on Jul 24, 2026 Estimated-size surface
Storm date Mc Laughlin / SD

Jul 24, 2026

0.75"
Signatures 0.75" Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Mc Laughlin, SD on Jul 9, 2026 Estimated-size surface
Storm date Mc Laughlin / SD

Jul 9, 2026

1"
Signatures 1" Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Mc Laughlin, SD on Jul 2, 2026 Estimated-size surface
Storm date Mc Laughlin / SD

Jul 2, 2026

1.75"
Signatures 1.75" Estimated 1"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Mc Laughlin, SD on Jul 1, 2026 Estimated-size surface
Storm date Mc Laughlin / SD

Jul 1, 2026

1"
Estimated 1"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Mc Laughlin, SD on Jun 27, 2026 Estimated-size surface
Storm date Mc Laughlin / SD

Jun 27, 2026

1.75"
Signatures 1.75" Estimated 1"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Mc Laughlin, SD on Jun 9, 2026 Estimated-size surface
Storm date Mc Laughlin / SD

Jun 9, 2026

1.25"
Estimated 1.25"
1 ground report Open report →

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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 Sep 14, 2026.