Hail in Perham · Sep 6, 2026
The estimated-size surface reached 0.75" aloft; NEXRAD logged no point detections over Perham that day. Open it on the live map to see the swath over the streets.
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Convective day · Sep 6, 2026 · noon–noon UTC
Severity
The 4th most severe storm Perham 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
- 19 /100
- Homes exposed
- 59 /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 Perham 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.
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.
Only the radar-estimated size surface resolved for Sep 6, 2026 — this storm produced no NEXRAD point detections over Perham, so there is one map to show, not two.
The storm in context
Where Sep 6, 2026 sits in Perham's hail record.
This was Perham's 8th recorded hail day, arriving 9 days after the Aug 28, 2026 storm. By severity it ranks 4th of the 8 storms we have logged here. Radar put the day's largest stone over Perham at 0.75" — radar-estimated size aloft.
The Sep 6, 2026 convective day was bigger than Perham: the same system put hail over 608 other tracked cities, 41 of them in Minnesota. Nearest: New York Mills (8 miles southeast, up to 0.75"); Ottertail (14 miles south, up to 0.5"); Deer Creek (17 miles southeast, up to 0.5").
These maps are stills. In the app this date is one of 8 Perham 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.
No ground reports were filed with the National Weather Service for this storm over Perham. That is common: a report depends on someone being there to see it and take the time to call it in. The radar surfaces above are the record here — the storm was detected from above even though no one on the ground logged it.
Near the severe threshold
What 0.75" hail means for Perham roofs.
A signal this size sits near the National Weather Service severe threshold. Aging shingles and soft metals such as vents, flashing, and gutters may be more vulnerable; roof age, wind, and material condition all matter, and only an inspection can confirm damage.
Radar reading · not confirmed damage
Roofing exposure
What this storm is worth to a roofer.
Potential roof exposure
$11M
Potential roof exposure — 902 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
- Illustrative jobs
- 5 jobs
- Illustrative work
- ~$75K
Close just 0.5% of the 902 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 $189 on top of the $150 plan.
Perham hail history
Other storms in Perham.
Estimated-size surface Aug 28, 2026
0.5"
Estimated-size surface Aug 17, 2026
1.5"
Estimated-size surface Aug 3, 2026
0.75"
Estimated-size surface Jul 6, 2026
1.75"
Estimated-size surface Jun 29, 2026
1.25"
Estimated-size surface Jun 8, 2026
0.5"
NEXRAD surface Apr 23, 2026
0.5"Take your next area into the field.
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