Hail in Sioux Falls · Jul 4, 2026
NEXRAD logged 0 hail signatures up to 1.75"; the estimated-size surface reached 1.25" aloft. Open it on the live map to see the swath over the streets.
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Convective day · Jul 4, 2026 · noon–noon UTC
Severity
The 4th most severe storm Sioux Falls 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
- 44 /100
- Homes exposed
- 71 /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 Sioux Falls saw the hail — from two instruments
We map this storm two ways: the NEXRAD radar signatures the storm produced overhead, and the radar-estimated size of the hail in the air. The two surfaces don’t have to match — where they diverge is where estimated size aloft ran ahead of, or behind, what the signatures caught.
Radar signature field NEXRAD radar signatures — the point detections the storm produced overhead. A signature is where the radar saw hail, not a confirmed stone on the ground.
Estimated size field Maximum hail size as estimated from radar aloft. Treat it as the storm's ceiling — the largest supportable stone — rather than a ground measurement.
The storm in context
Where Jul 4, 2026 sits in Sioux Falls's hail record.
This was Sioux Falls's 8th recorded hail day, arriving 2 days after the Jul 2, 2026 storm. By severity it ranks 4th of the 10 storms we have logged here. Radar put the day's largest stone over Sioux Falls at 1.75" — the largest NEXRAD radar signature.
The Jul 4, 2026 convective day was bigger than Sioux Falls: the same system put hail over 2,035 other tracked cities, 30 of them in South Dakota. Nearest: Brandon (6 miles northeast, up to 0.75"); Harrisburg (10 miles south, up to 1.75"); Valley Springs (11 miles east, up to 1.25").
These maps are stills. In the app this date is one of 10 Sioux Falls 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.
Nobody on the ground filed a report over Sioux Falls for this date, which says more about who was watching than about the storm: spotter reports only exist where there is an observer. The radar surfaces above carry the evidence for this one.
High damage potential
What 1.75" hail means for Sioux Falls 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.
Potential roof exposure
$41M
Potential roof exposure — 3,427 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
- Illustrative jobs
- 17 jobs
- Illustrative work
- ~$255K
Close just 0.5% of the 3,427 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 $720 on top of the $150 plan.
Sioux Falls hail history
Other storms in Sioux Falls.
Estimated-size surface Aug 28, 2026
1"
Estimated-size surface Jul 25, 2026
0.75"
Estimated-size surface Jul 2, 2026
1"
Estimated-size surface Jun 30, 2026
0.5"
Estimated-size surface Jun 27, 2026
0.75"
Estimated-size surface May 31, 2026
0.75"
Estimated-size surface May 24, 2026
1"
Estimated-size surface May 17, 2026
1.5"
Estimated-size surface Apr 13, 2026
0.75"The next storm won’t wait for you.
Set your territory and alerts today. When hail hits, use Overview to choose your streets and get moving.
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For iPhone. Android coming soon.
Web trial: 7 days free. Card required. $150/month after the trial unless cancelled.