Hail size 1"
17 N New Haven Crook County
“1 inch was the largest... most was smaller (UNR)”
— NOAA / SPC storm report
Hail in Alzada Jun 7, 2026
Both radar surfaces caught this storm: NEXRAD logged 30 hail signatures up to 3.75", and the radar-estimated size reached 2.75" aloft. At 3.75" — baseball — this is severe, roof-replacing hail: close to every roof inside the footprint becomes a claim candidate.
Largest hailstone
3.75"
≈ baseball · the largest NEXRAD radar signature Homes in the hail footprint
33
Ground reports
3
2 hail · 1 windThe most severe storm Alzada 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.
7.1 /10
- Hail size
- 94 /100
- Homes exposed
- 31 /100
- Ground truth
- 50 /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 Alzada saw the hail — from two instruments
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.
NEXRAD radar signatures
Where NEXRAD flagged hail as the storm passed — point signatures from the radar, which indicate hail overhead rather than confirm what landed.
Max size
3.75"
Detections
30
Radar-estimated hail size
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
2.75"
Where Jun 7, 2026 sits in Alzada's hail record
This was Alzada's 5th recorded hail day, arriving 5 days after the Jun 2, 2026 storm. By severity it ranks 1st of the 7 storms we have logged here. Radar put the day's largest stone over Alzada at 3.75" — the largest NEXRAD radar signature.
The Jun 7, 2026 convective day was bigger than Alzada: the same system put hail over 237 other tracked cities, 25 of them in Montana. Nearest: Weston (32 miles southwest, up to 2.5"); Buffalo (40 miles northeast, up to 4"); Belle Fourche (44 miles southeast, up to 4").
These maps are stills from Alzada's Jun 7, 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.
Hail reports
2 reports Hail size 2.5"
3 W Alzada Carter County
“(BYZ)”
— NOAA / SPC storm report
Wind reports
1 report Wind gust 62 mph
8 NW Colony Crook County
“(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.
How the storm moved
The storm tracked east at roughly 45 mph, based on the timing of ground reports.
Hail was reported over 42 minutes, from to .
Reports came from New Haven and Colony — beyond Alzada itself.
What 3.75" hail means for Alzada roofs
Two-inch-plus hail punctures shingles, breaks skylights and windows, and dents anything soft. In the core of a footprint like this, close to every roof is a candidate for an insurance claim. Speed decides who writes those jobs.
What this storm is worth to a roofer
$396K
Potential roof exposure — 33 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage. 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.
Track hail over Alzada on the live map
Radar updates in real time, spotter reports appear on the map as they're filed, and the full Alzada storm history — this Jun 7, 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
Alzada hail history
← All hail in Alzada 7 recorded storm days in Alzada, MT
Other storms in Alzada
Jul 8, 2026
1" Signatures 1" Estimated 1"
No ground reports filed 
Jul 2, 2026
2.75" Signatures 2.75" Estimated 1.5"
1
ground report 
Jun 2, 2026
1.75" Signatures 1.75" Estimated 1.25"
No ground reports filed 
Jun 1, 2026
1" Signatures 1" Estimated 1"
No ground reports filed 
May 30, 2026
1.25" Signatures 1.25" Estimated 1"
No ground reports filed 
Apr 13, 2026
1.75" Signatures 1.75" Estimated 1.25"
1
ground report
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.