/ Storm field report · Boyd

Hail in Butte · Sep 7, 2026

Hit 5 days ago

The estimated-size surface reached 2" aloft; NEXRAD logged no point detections over Butte that day. At 2" — tennis ball — this is a severe hail signal associated with roof damage. Open it on the live map to see the swath over the streets.

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Peak hail signal 2" ≈ tennis ball · radar-estimated size aloft
Homes in the hail footprint 1,219
Ground reports 4 1 hail · 3 wind
Radar surfaces 1 Estimated size only

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

Severity

The 3rd most severe storm Butte has seen in the last 12 months

Composite score · 5.5 / 10
Storm severity score

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

5.5 /10
Peak hail signal
50 /100

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

Homes exposed
62 /100

How many homes sit inside the storm's footprint.

Ground truth
67 /100

Independent storm reports filed with the NWS.

Evidence / storm surfaces

How Butte saw the hail — from two instruments

Sep 7, 2026 · Butte, NE

The maps here read the same storm from two angles — point detections from NEXRAD, and modeled hail size aloft. Where the two disagree is informative: it marks where estimated size outran the signatures, or trailed them.

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

The modeled maximum hail size across the swath, derived from radar aloft — the largest stone the storm could have supported, which is not necessarily what reached the ground.

Max size 2"

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

The storm in context

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

This was Butte's 7th recorded hail day, arriving 6 days after the Sep 1, 2026 storm. By severity it ranks 3rd of the 7 storms we have logged here. Radar put the day's largest stone over Butte at 2" — radar-estimated size aloft.

The Sep 7, 2026 convective day was bigger than Butte: the same system put hail over 163 other tracked cities, 6 of them in Nebraska. Nearest: Fairfax (9 miles northeast, up to 1.5"); Spencer (13 miles east, up to 1.25"); Bonesteel (14 miles north, up to 1.5").

These maps are stills. In the app this date is one of 7 Butte 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

4 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.

Hail reports

1 report
Hail size 1"
6 WSW Butte Holt County

“mostly peas but a couple of quarters. Time estimated from radar. (LBF)”

— NOAA / SPC storm report

Wind reports

3 reports
Wind gust 60 mph
1 ENE Butte Boyd County

“50 to 60 mph wind gusts along with nickel sized hail. (LBF)”

— NOAA / SPC storm report
Wind gust 71 mph
6 W Butte Boyd County

“Ambient Weather Station. (LBF)”

— NOAA / SPC storm report
Wind gust 64 mph
6 W Butte Boyd County

“Ambient weather station. (LBF)”

— NOAA / SPC storm report

Storm forensics

How the storm moved

Timing and place names from NOAA ground reports

Read from the arrival times and locations of the NOAA ground reports, not a radar-measured storm track.

The storm tracked east at roughly 15 mph, based on the timing of ground reports.

Hail was reported over 36 minutes, from to .

Severe hail signal

What 2" hail means for Butte roofs.

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

What this storm is worth to a roofer.

1,219 homes × $12,000 avg. claim

Potential roof exposure

$15M

Potential roof exposure — 1,219 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.

Illustrative jobs
6 jobs
Illustrative work
~$90K

Close just 0.5% of the 1,219 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 $256 on top of the $150 plan.

Butte hail history

Other storms in Butte.

7 recorded storm days in Butte, NE
← All hail in Butte
Radar-estimated hail-size map of the storm over Butte, NE on Sep 1, 2026 Estimated-size surface
Storm date Butte / NE

Sep 1, 2026

2.5"
Estimated 2.5"
2 ground reports Open report →
Radar-estimated hail-size map of the storm over Butte, NE on Aug 17, 2026 Estimated-size surface
Storm date Butte / NE

Aug 17, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Butte, NE on Jul 2, 2026 Estimated-size surface
Storm date Butte / NE

Jul 2, 2026

1"
Signatures 1" Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Butte, NE on Jun 30, 2026 Estimated-size surface
Storm date Butte / NE

Jun 30, 2026

1.75"
Signatures 1.75" Estimated 1"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Butte, NE on Jun 9, 2026 Estimated-size surface
Storm date Butte / NE

Jun 9, 2026

0.75"
Estimated 0.75"
1 ground report Open report →
Radar-estimated hail-size map of the storm over Butte, NE on May 17, 2026 Estimated-size surface
Storm date Butte / NE

May 17, 2026

3.75"
Signatures 3.75" Estimated 2"
1 ground report Open report →

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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.