“(DDC)”
— NOAA / SPC storm report
Hail in La Crosse · Apr 25, 2026
NEXRAD logged 54 hail signatures up to 4"; the estimated-size surface reached 2.5" aloft. At 4" — softball or larger — this is a severe hail signal associated with roof damage. Open it on the live map to see the swath over the streets.
Convective day · Apr 25, 2026 · noon–noon UTC
Severity
The most severe storm La Crosse 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
- 100 /100
- Homes exposed
- 52 /100
- Ground truth
- 100 /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 La Crosse 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.
Estimated size field Maximum hail size as estimated from radar aloft. Treat it as the storm's ceiling — the largest supportable stone — rather than a ground measurement.
The storm in context
Where Apr 25, 2026 sits in La Crosse's hail record.
This was La Crosse's 3rd recorded hail day, arriving 16 days after the Apr 9, 2026 storm. By severity it ranks 1st of the 13 storms we have logged here. Radar put the day's largest stone over La Crosse at 4" — the largest NEXRAD radar signature.
The Apr 25, 2026 convective day was bigger than La Crosse: the same system put hail over 392 other tracked cities, 52 of them in Kansas. Nearest: Mc Cracken (13 miles west, up to 2.5"); Rush Center (14 miles south, up to 2.5"); Pawnee Rock (26 miles southeast, up to 2").
These maps are stills. In the app this date is one of 13 La Crosse 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.
Hail reports
6 reports“(DDC)”
— NOAA / SPC storm report
“(DDC)”
— NOAA / SPC storm report
“Social media report of ping pong ball sized hail on the south side of La Crosse. (DDC)”
— NOAA / SPC storm report
“Corrects previous hail report from 2 WNW La Crosse. (DDC)”
— NOAA / SPC storm report
“(DDC)”
— NOAA / SPC storm report
Storm forensics
How the storm moved
Read from the arrival times and locations of the NOAA ground reports, not a radar-measured storm track.
Hail was reported over 70 minutes, from to .
Reports came from Rush Center — beyond La Crosse itself.
Severe hail signal
What 4" hail means for La Crosse 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.
Potential roof exposure
$4.5M
Potential roof exposure — 378 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
- Illustrative jobs
- 2 jobs
- Illustrative work
- ~$30K
Close just 0.5% of the 378 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
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 $79 on top of the $150 plan.
La Crosse hail history
Other storms in La Crosse.
Estimated-size surface Sep 5, 2026
1"
Estimated-size surface Aug 21, 2026
0.5"
Estimated-size surface Aug 13, 2026
1"
Estimated-size surface Jul 3, 2026
NEXRAD surface Jul 1, 2026
0.75"
Estimated-size surface Jun 15, 2026
0.75"
Estimated-size surface Jun 1, 2026
1"
Estimated-size surface May 30, 2026
1.75"
Estimated-size surface May 17, 2026
4"
Estimated-size surface Apr 26, 2026
1.5"
Estimated-size surface Apr 9, 2026
0.5"
Estimated-size surface Apr 8, 2026
0.5"The next storm won’t wait for you.
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