Hail in Custer · Aug 27, 2026
The estimated-size surface reached 1" aloft; NEXRAD logged no point detections over Custer that day. Open it on the live map to see the swath over the streets.
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Convective day · Aug 27, 2026 · noon–noon UTC
Severity
The 11th most severe storm Custer has seen in the last 12 months
Overview's storm severity score weighs hailstone size, homes in the footprint, and ground-truth reports.
- Peak hail signal
- 25 /100
- Homes exposed
- 59 /100
- Ground truth
- 0 /100
Largest radar-indicated size — a signal of damage potential, not confirmation.
How many homes sit inside the storm's footprint.
Independent storm reports filed with the NWS.
Evidence / storm surfaces
How Custer saw the hail — from two instruments
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.
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.
Only the radar-estimated size surface resolved for Aug 27, 2026 — this storm produced no NEXRAD point detections over Custer, so there is one map to show, not two.
The storm in context
Where Aug 27, 2026 sits in Custer's hail record.
This was Custer's 19th recorded hail day, arriving 6 days after the Aug 21, 2026 storm. By severity it ranks 11th of the 19 storms we have logged here. Radar put the day's largest stone over Custer at 1" — radar-estimated size aloft.
The Aug 27, 2026 convective day was bigger than Custer: the same system put hail over 365 other tracked cities, 13 of them in South Dakota. Nearest: Hill City (16 miles northwest, up to 1.25"); Rapid City (21 miles north, up to 0.75"); Hot Springs (31 miles south, up to 1.75").
These maps are stills. In the app this date is one of 19 Custer 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
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 Custer, 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.
Damage-capable hail signal
What 1" hail means for Custer roofs.
Quarter-size and larger hail can bruise asphalt mats, remove granules, and dent exposed soft metal. The mapped footprint identifies an inspection priority area — it does not identify which individual roofs, if any, sustained damage.
Radar reading · not confirmed damage
Roofing exposure
What this storm is worth to a roofer.
Potential roof exposure
$11M
Potential roof exposure — 931 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
- Illustrative jobs
- 5 jobs
- Illustrative work
- ~$75K
Close just 0.5% of the 931 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
August 2028
Claims from this storm can typically be filed until around August 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 $196 on top of the $150 plan.
Custer hail history
Other storms in Custer.
Estimated-size surface Aug 21, 2026
0.75"
Estimated-size surface Aug 12, 2026
2.25"
Estimated-size surface Aug 11, 2026
4"
Estimated-size surface Jul 31, 2026
3.5"
Estimated-size surface Jul 30, 2026
0.5"
Estimated-size surface Jul 28, 2026
1"
Estimated-size surface Jul 17, 2026
1"
Estimated-size surface Jul 9, 2026
2"
Estimated-size surface Jul 8, 2026
1.25"
Estimated-size surface Jul 4, 2026
2.5"
Estimated-size surface Jul 3, 2026
1.75"
Estimated-size surface Jun 26, 2026
1.75"
Estimated-size surface Jun 22, 2026
1.25"
Estimated-size surface Jun 7, 2026
0.5"
Estimated-size surface Jun 6, 2026
1.75"
Estimated-size surface Jun 2, 2026
1"
Estimated-size surface Jun 1, 2026
0.5"
Estimated-size surface May 30, 2026
1.75"Take your next area into the field.
See the hail, review your recommendations, and canvass with Overview on iPhone.
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