Hail in Diagonal · Jun 5, 2026
Convective day · Jun 5, 2026 · noon–noon UTC
Severity
The 9th most severe storm Diagonal 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
- 0 /100
- Homes exposed
- 0 /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 Diagonal saw the hail — from two instruments
Two instruments, one storm: NEXRAD logs the point signatures it detected overhead, while the estimated-size surface models how large the hail aloft could have grown. Agreement between them is not guaranteed — the gaps are where the model ran ahead of, or behind, the detections.
Radar signature field NEXRAD's hail signatures for this storm: the spots the radar detected from above. A detection overhead is not the same thing as a confirmed stone below.
Only the NEXRAD radar-signature surface resolved for Jun 5, 2026 — the estimated-size swath had no hail signal to model for this storm, so there is one map to show, not two.
The storm in context
Where Jun 5, 2026 sits in Diagonal's hail record.
This was Diagonal's 5th recorded hail day, arriving 18 days after the May 18, 2026 storm. By severity it ranks 9th of the 10 storms we have logged here. Radar put the day's largest stone over Diagonal at 0" — radar-estimated size aloft.
The Jun 5, 2026 convective day was bigger than Diagonal: the same system put hail over 440 other tracked cities, 66 of them in Iowa. Nearest: Afton (21 miles northeast, up to 1"); Bedford (23 miles southwest, up to 1"); Corning (25 miles northwest, up to 1.75").
These maps are stills. In the app this date is one of 10 Diagonal 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.
The National Weather Service logged no spotter reports for this storm over Diagonal. That absence is ordinary — filing a report takes a person on the spot who saw the hail and phoned it in. What stands as the record for this date is the radar above, which caught the storm regardless.
Below the severe threshold
What 0" hail means for Diagonal roofs.
Radar signals under three-quarters of an inch stay below the National Weather Service severe threshold and generally indicate lower roof risk. Older or already-worn materials can still show effects, but radar alone cannot determine whether a specific roof was damaged.
Radar reading · not confirmed damage
Diagonal hail history
Other storms in Diagonal.
Estimated-size surface Sep 6, 2026
1.5"
Estimated-size surface Aug 4, 2026
0.75"
Estimated-size surface Jul 20, 2026
Estimated-size surface Jun 11, 2026
1.25"
Estimated-size surface Jun 10, 2026
2.5"
Estimated-size surface May 18, 2026
1.25"
Estimated-size surface May 16, 2026
2.25"
Estimated-size surface Apr 15, 2026
0.5"
Estimated-size surface Apr 3, 2026
1"The next storm won’t wait for you.
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