/ Storm field report · Yankton

Hail in Lesterville · Sep 7, 2026

Hit 5 days ago

The estimated-size surface reached 1.5" aloft; NEXRAD logged no point detections over Lesterville that day. Open it on the live map to see the swath over the streets.

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Peak hail signal 1.5" ≈ ping-pong ball · radar-estimated size aloft
Homes in the hail footprint 840
Ground reports 0 none filed
Radar surfaces 1 Estimated size only

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

Severity

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

Composite score · 3.7 / 10
Storm severity score

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

3.7 /10
Peak hail signal
38 /100

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

Homes exposed
58 /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 Lesterville saw the hail — from two instruments

Sep 7, 2026 · Lesterville, SD

Two instruments, one storm: NEXRAD logs the point signatures it detected overhead, while the estimated-size surface models how large the hail aloft could have grown. Agreement between them is not guaranteed — the gaps are where the model ran ahead of, or behind, the detections.

Radar-estimated hail size Surface resolved
Radar-estimated hail-size map of the storm over Lesterville, SD on Sep 7, 2026 Estimated size field

Radar-estimated maximum hail size across the swath, modeled from radar aloft. It reflects the biggest stone the storm could support, which may differ from what actually fell.

Max size 1.5"

Only the radar-estimated size surface resolved for Sep 7, 2026 — this storm produced no NEXRAD point detections over Lesterville, so there is one map to show, not two.

The storm in context

Where Sep 7, 2026 sits in Lesterville's hail record.

This was Lesterville's 6th recorded hail day, arriving 6 days after the Sep 1, 2026 storm. By severity it ranks 2nd of the 6 storms we have logged here. Radar put the day's largest stone over Lesterville at 1.5" — radar-estimated size aloft.

The Sep 7, 2026 convective day was bigger than Lesterville: the same system put hail over 163 other tracked cities, 19 of them in South Dakota. Nearest: Tabor (6 miles southwest, up to 1.5"); Scotland (12 miles northwest, up to 0.5"); Tyndall (13 miles west, up to 1").

These maps are stills. In the app this date is one of 6 Lesterville 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 Lesterville. 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 1.5" hail means for Lesterville 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.

840 homes × $12,000 avg. claim

Potential roof exposure

$10M

Potential roof exposure — 840 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.

Illustrative jobs
4 jobs
Illustrative work
~$60K

Close just 0.5% of the 840 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

September 2028

Claims from this storm can typically be filed until around September 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 $176 on top of the $150 plan.

Lesterville hail history

6 recorded storm days in Lesterville, SD

Take your next area into the field.

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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 8, 2026.