/ Storm field report · Clarke

Hail in Osceola · Jun 11, 2026

The estimated-size surface reached 2.75" aloft; NEXRAD logged no point detections over Osceola that day. At 2.75" — baseball — this is a severe hail signal associated with roof damage. Open it on the live map to see the swath over the streets.

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Peak hail signal 2.75" ≈ baseball · radar-estimated size aloft

Homes in the hail footprint 8,107

Ground reports 1 1 hail

Radar surfaces 1 Estimated size only

Convective day · Jun 11, 2026 · noon–noon UTC

Severity

The most severe storm Osceola has seen in the last 12 months

Composite score · 6.3 / 10

Storm severity score

Overview's storm severity score weighs hailstone size, homes in the footprint, and ground-truth reports.

6.3 /10

Peak hail signal: 69 /100
Homes exposed: 78 /100
Ground truth: 17 /100

Evidence / storm surfaces

How Osceola saw the hail — from two instruments

Jun 11, 2026 · Osceola, IA

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-estimated hail-size map of the storm over Osceola, IA on Jun 11, 2026 — Radar-estimated maximum hail size across the swath, modeled from radar aloft. It reflects the biggest stone the storm could support, which may differ from what actually fell.

Max size 2.75"

Only the radar-estimated size surface resolved for Jun 11, 2026 — this storm produced no NEXRAD point detections over Osceola, so there is one map to show, not two.

The storm in context

Where Jun 11, 2026 sits in Osceola's hail record.

This was Osceola's 7th recorded hail day, arriving 1 day after the Jun 10, 2026 storm. By severity it ranks 1st of the 10 storms we have logged here. Radar put the day's largest stone over Osceola at 2.75" — radar-estimated size aloft.

The Jun 11, 2026 convective day was bigger than Osceola: the same system put hail over 648 other tracked cities, 147 of them in Iowa. Nearest: Murray (6 miles northwest, up to 2.25"); Weldon (7 miles south, up to 2.75"); Grand River (10 miles southwest, up to 2.75").

These maps are stills. In the app this date is one of 10 Osceola 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

1 report filed with the NWS

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

1 report

Hail size 1.75"

1 WNW Osceola Clarke County

12:20 PM UTC

“Report of ping pong to golf ball sized hail relayed from media. Time estimated from radar. (DMX)”
— NOAA / SPC storm report

Severe hail signal

What 2.75" hail means for Osceola 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.

8,107 homes × $12,000 avg. claim

Potential roof exposure

$97M

Potential roof exposure — 8,107 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.

Illustrative jobs: 41 jobs
Illustrative work: ~$615K

Close just 0.5% of the 8,107 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

June 2028

Claims from this storm can typically be filed until around June 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 $1,702 on top of the $150 plan.

Osceola hail history

10 recorded storm days in Osceola, IA

← All hail in Osceola

Radar-estimated hail-size map of the storm over Osceola, IA on Aug 4, 2026

Estimated-size surface

Storm date Osceola / IA

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Set your territory and alerts today. When hail hits, use Overview to choose your streets and get moving.

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A storm day here is a convective day — it runs from noon to noon UTC, so late-night hail is grouped with the afternoon storm that spawned it rather than split across two calendar dates. Ground reports are public-domain observations from the NOAA Storm Prediction Center. Radar tells you where to look. Only an inspection confirms damage at an address. Last updated Aug 5, 2026.

The most severe storm Osceola has seen in the last 12 months

How Osceola saw the hail — from two instruments

Where Jun 11, 2026 sits in Osceola's hail record.

What people on the ground reported

Hail reports

What 2.75" hail means for Osceola roofs.

What this storm is worth to a roofer.

Other storms in Osceola.

Aug 4, 2026

Jul 27, 2026

Jul 20, 2026

Jun 10, 2026

Apr 23, 2026

Apr 15, 2026

Apr 3, 2026

Mar 15, 2026

Mar 5, 2026

The next storm won’t wait for you.