Wind gust 87 mph
2 N Herreid Campbell County
“Mesonet station 50 Herreid (SDDOT). (ABR)”
— NOAA / SPC storm report
Hail in Herreid Jul 19, 2026
Hit 15 days agoThe radar-estimated size surface caught this storm, reaching 1.5" aloft. NEXRAD logged no point detections over Herreid this day.
Largest hailstone
1.5"
≈ ping-pong ball · radar-estimated size aloft Homes in the hail footprint
63
Ground reports
1
1 windThe most severe storm Herreid 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.
3.4 /10
- Hail size
- 38 /100
- Homes exposed
- 36 /100
- Ground truth
- 17 /100
Largest hailstone — the top predictor of roof damage.
How many homes sit inside the storm's footprint.
Independent storm reports filed with the NWS.
How Herreid saw the hail — from two instruments
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
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 Jul 19, 2026 — this storm produced no NEXRAD point detections over Herreid, so there is one map to show, not two.
Where Jul 19, 2026 sits in Herreid's hail record
This was Herreid's 9th recorded hail day, arriving 12 days after the Jul 7, 2026 storm. By severity it ranks 1st of the 10 storms we have logged here. Radar put the day's largest stone over Herreid at 1.5" — radar-estimated size aloft.
The Jul 19, 2026 convective day was bigger than Herreid: the same system put hail over 351 other tracked cities, 16 of them in South Dakota. Nearest: Pollock (12 miles northwest, up to 0.75"); Eureka (18 miles east, up to 2.75"); Hague (20 miles northeast, up to 2.25").
These maps are stills from Herreid's Jul 19, 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.
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.
Wind reports
1 reportWhat 1.5" hail means for Herreid 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
$756K
Potential roof exposure — 63 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage. 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.
Track hail over Herreid on the live map
Radar updates in real time, spotter reports appear on the map as they're filed, and the full Herreid storm history — this Jul 19, 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
Herreid hail history
← All hail in Herreid 10 recorded storm days in Herreid, SD
Other storms in Herreid
Jul 24, 2026
1" Signatures 1"
No ground reports filed 
Jul 7, 2026
1.5" Signatures 1.5" Estimated 1"
No ground reports filed 
Jul 2, 2026
1.25" Signatures 1.25" Estimated 0.5"
No ground reports filed 
Jun 9, 2026
0.75" Estimated 0.75"
No ground reports filed 
Jun 7, 2026
0.5" Estimated 0.5"
1
ground report 
Jun 3, 2026
0.75" Signatures 0.75"
No ground reports filed 
Jun 2, 2026
0.75" Signatures 0.75" Estimated 0.5"
No ground reports filed 
May 31, 2026
0.5" Signatures 0.5"
No ground reports filed 
May 30, 2026
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.