Hail in Dayton · Apr 4, 2026
NEXRAD logged 6 hail signatures up to 1.25"; the estimated-size surface had no signal that day. Open it on the live map to see the swath over the streets.
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Convective day · Apr 4, 2026 · noon–noon UTC
Severity
The 3rd most severe storm Dayton 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
- 31 /100
- Homes exposed
- 38 /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 Dayton saw the hail — from two instruments
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.
Only the NEXRAD radar-signature surface resolved for Apr 4, 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 Apr 4, 2026 sits in Dayton's hail record.
This was Dayton's 3rd recorded hail day, arriving 28 days after the Mar 7, 2026 storm. By severity it ranks 3rd of the 11 storms we have logged here. Radar put the day's largest stone over Dayton at 1.25" — the largest NEXRAD radar signature.
The Apr 4, 2026 convective day was bigger than Dayton: the same system put hail over 26 other tracked cities, 5 of them in Texas. Nearest: Houston (28 miles west, up to 1"); Center Point (186 miles northeast, up to 0.75"); Effie (191 miles northeast, up to 0.75").
These maps are stills. In the app this date is one of 11 Dayton 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 Dayton. 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.
Damage-capable hail signal
What 1.25" hail means for Dayton roofs.
Quarter-size and larger hail can bruise asphalt mats, remove granules, and dent exposed soft metal. The mapped footprint identifies an inspection priority area — it does not identify which individual roofs, if any, sustained damage.
Radar reading · not confirmed damage
Roofing exposure
What this storm is worth to a roofer.
Potential roof exposure
$972K
Potential roof exposure — 81 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
Claim window
April 2028
Claims from this storm can typically be filed until around April 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 $17 on top of the $150 plan.
Dayton hail history
Other storms in Dayton.
Estimated-size surface Sep 11, 2026
0.5"
Estimated-size surface Jul 22, 2026
1"
Estimated-size surface Jul 7, 2026
1"
Estimated-size surface Jul 6, 2026
1.5"
NEXRAD surface Jun 6, 2026
0.75"
NEXRAD surface May 26, 2026
1"
Estimated-size surface May 10, 2026
Estimated-size surface May 9, 2026
1"
Estimated-size surface Mar 7, 2026
NEXRAD surface Jan 9, 2026
1"The next storm won’t wait for you.
Set your territory and alerts today. When hail hits, use Overview to choose your streets and get moving.
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