NEXRAD logged 21 hail signatures up to 3.75"; the estimated-size surface reached 2.25" aloft. At 3.75" — baseball — this is a severe hail signal associated with roof damage. Open it on the live map to see the swath over the streets.
A tornado was also reported to the National Weather Service during this storm. The ground reports below show where it was filed.
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Convective day · Jun 3, 2026 · noon–noon UTC
Severity
Overview's storm severity score weighs hailstone size, homes in the footprint, and ground-truth reports.
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
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
This was Winner's 2nd recorded hail day, arriving 1 day after the Jun 2, 2026 storm. By severity it ranks 1st of the 15 storms we have logged here. Radar put the day's largest stone over Winner at 3.75" — the largest NEXRAD radar signature.
The Jun 3, 2026 convective day was bigger than Winner: the same system put hail over 274 other tracked cities, 69 of them in South Dakota. Nearest: Dallas (5 miles east, up to 1"); Gregory (14 miles southeast, up to 2.5"); Hamill (19 miles northwest, up to 2.5").
These maps are stills. In the app this date is one of 15 Winner 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
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.
“EF1 tornado estimated peak wind of 100mph... path length 10.33 miles... 436 yards wide... start time: 0700PM CDT... end time: 0724PM CDT. Tornado wasn't on the ground c (UNR)”
— NOAA / SPC storm report
“Tornado on the ground from at least 720 PM to 725 PM CDT per multiple reports and videos from storm chasers. (UNR)”
— NOAA / SPC storm report
“Multiple storm chaser reports of a tornado. Photo and location submitted via social media. (UNR)”
— NOAA / SPC storm report
“(UNR)”
— NOAA / SPC storm report
“Along 266th St on the edge of the hail core. (UNR)”
— NOAA / SPC storm report
“Time estimated. Chaser was still on edge of hail core. (UNR)”
— NOAA / SPC storm report
Storm forensics
Read from the arrival times and locations of the NOAA ground reports, not a radar-measured storm track.
Hail was reported over 20 minutes, from to .
Reports came from Witten, Ideal, and Hamill — beyond Winner itself.
Severe hail signal
Two-inch-plus hail is capable of puncturing shingles, breaking skylights or windows, and heavily denting soft materials. The strongest radar bands warrant prompt inspection, but neither the signal nor the footprint confirms damage at a specific address.
Radar reading · not confirmed damage
Roofing exposure
Potential roof exposure
$708K
Potential roof exposure — 59 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
Claim window
June 2028
Claims from this storm can typically be filed until around June 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 $12 on top of the $150 plan.
Winner hail history
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Estimated-size surface Set your territory and alerts today. When hail hits, use Overview to choose your streets and get moving.
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Web trial: 7 days free. Card required. $150/month after the trial unless cancelled.