“Personal Ambient Weather Network. (DDC)”
— NOAA / SPC storm report
Hail in La Crosse · May 30, 2026
Convective day · May 30, 2026 · noon–noon UTC
Severity
The 3rd 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
- 44 /100
- Homes exposed
- 50 /100
- Ground truth
- 17 /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
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.
Radar signature field Where NEXRAD flagged hail as the storm passed — point signatures from the radar, which indicate hail overhead rather than confirm what landed.
Estimated size field 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.
The storm in context
Where May 30, 2026 sits in La Crosse's hail record.
This was La Crosse's 6th recorded hail day, arriving 13 days after the May 17, 2026 storm. By severity it ranks 3rd of the 13 storms we have logged here. Radar put the day's largest stone over La Crosse at 1.75" — the largest NEXRAD radar signature.
The May 30, 2026 convective day was bigger than La Crosse: the same system put hail over 541 other tracked cities, 228 of them in Kansas. Nearest: Hays (7 miles north, up to 2"); Bison (9 miles southeast, up to 2.25"); Pfeifer (11 miles northeast, up to 1.25").
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.
Wind reports
1 reportHigh damage potential
What 1.75" hail means for La Crosse roofs.
Hail around an inch and a half is capable of cracking shingles, stripping granules, and denting gutters, vents, and siding. Risk is usually greatest near the strongest radar signal, but property-level damage still requires an on-site inspection.
Radar reading · not confirmed damage
Roofing exposure
What this storm is worth to a roofer.
Potential roof exposure
$4M
Potential roof exposure — 332 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 332 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
May 2028
Claims from this storm can typically be filed until around May 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 $70 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 17, 2026
4"
Estimated-size surface Apr 26, 2026
1.5"
Estimated-size surface Apr 25, 2026
4"
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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