/ Storm field report · Louisa

Hail in Muscatine · Mar 31, 2026

NEXRAD logged 67 hail signatures up to 1.5"; the estimated-size surface reached 0.5" aloft. Open it on the live map to see the swath over the streets.

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Peak hail signal 1.5" ≈ ping-pong ball · the largest NEXRAD radar signature
Homes in the hail footprint 9,071
Ground reports 0 none filed
Radar surfaces 2 NEXRAD + estimated size

Convective day · Mar 31, 2026 · noon–noon UTC

Severity

The 2nd most severe storm Muscatine has seen in the last 12 months

Composite score · 4.2 / 10
Storm severity score

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

4.2 /10
Peak hail signal
38 /100

Largest radar-indicated size — a signal of damage potential, not confirmation.

Homes exposed
79 /100

How many homes sit inside the storm's footprint.

Ground truth
0 /100

Independent storm reports filed with the NWS.

Evidence / storm surfaces

How Muscatine saw the hail — from two instruments

Mar 31, 2026 · Muscatine, IA

Each storm gets two readings: the radar signatures NEXRAD recorded as the cells passed overhead, and a modeled estimate of hail size in the air. They are independent surfaces, so a mismatch between them is expected — and worth reading.

NEXRAD radar signatures Surface resolved
NEXRAD radar-signature map of the hail storm over Muscatine, IA on Mar 31, 2026 Radar signature field

The point detections NEXRAD recorded overhead. Each signature marks where the radar saw hail aloft — it is a detection, not a stone measured on the ground.

Max size 1.5" Detections 67
Radar-estimated hail size Surface resolved
Radar-estimated hail-size map of the storm over Muscatine, IA on Mar 31, 2026 Estimated size field

Radar-estimated hail size over the swath. The model reports the biggest stone the storm could sustain in the air; what actually fell may have been smaller.

Max size 0.5"

The storm in context

Where Mar 31, 2026 sits in Muscatine's hail record.

This was Muscatine's 3rd recorded hail day, arriving 1 day after the Mar 30, 2026 storm. By severity it ranks 2nd of the 15 storms we have logged here. Radar put the day's largest stone over Muscatine at 1.5" — the largest NEXRAD radar signature.

The Mar 31, 2026 convective day was bigger than Muscatine: the same system put hail over 522 other tracked cities, 24 of them in Iowa. Nearest: Letts (5 miles west, up to 1.25"); New Boston (9 miles southeast, up to 1"); Columbus Junction (10 miles west, up to 2").

These maps are stills. In the app this date is one of 15 Muscatine 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

No reports 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.

The National Weather Service logged no spotter reports for this storm over Muscatine. 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.

High damage potential

What 1.5" hail means for Muscatine 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.

9,071 homes × $12,000 avg. claim

Potential roof exposure

$109M

Potential roof exposure — 9,071 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.

Illustrative jobs
45 jobs
Illustrative work
~$675K

Close just 0.5% of the 9,071 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

March 2028

Claims from this storm can typically be filed until around March 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 $1,905 on top of the $150 plan.

Muscatine hail history

15 recorded storm days in Muscatine, IA
Radar-estimated hail-size map of the storm over Muscatine, IA on Aug 12, 2026 Estimated-size surface
Storm date Muscatine / IA

Aug 12, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Muscatine, IA on Aug 11, 2026 Estimated-size surface
Storm date Muscatine / IA

Aug 11, 2026

1"
Estimated 1"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Muscatine, IA on Jul 3, 2026 Estimated-size surface
Storm date Muscatine / IA

Jul 3, 2026

2"
Signatures 2" Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Muscatine, IA on Jul 2, 2026 Estimated-size surface
Storm date Muscatine / IA

Jul 2, 2026

1"
Signatures 1"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Muscatine, IA on Jun 11, 2026 Estimated-size surface
Storm date Muscatine / IA

Jun 11, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Muscatine, IA on Jun 10, 2026 Estimated-size surface
Storm date Muscatine / IA

Jun 10, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Muscatine, IA on Jun 5, 2026 Estimated-size surface
Storm date Muscatine / IA

Jun 5, 2026

No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Muscatine, IA on May 15, 2026 Estimated-size surface
Storm date Muscatine / IA

May 15, 2026

1"
Signatures 1" Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Muscatine, IA on Apr 17, 2026 Estimated-size surface
Storm date Muscatine / IA

Apr 17, 2026

0.75"
Signatures 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Muscatine, IA on Apr 15, 2026 Estimated-size surface
Storm date Muscatine / IA

Apr 15, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Muscatine, IA on Apr 14, 2026 Estimated-size surface
Storm date Muscatine / IA

Apr 14, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Muscatine, IA on Apr 2, 2026 Estimated-size surface
Storm date Muscatine / IA

Apr 2, 2026

1.25"
Signatures 1.25"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Muscatine, IA on Mar 30, 2026 Estimated-size surface
Storm date Muscatine / IA

Mar 30, 2026

1"
Signatures 1" Estimated 0.75"
No ground reports filed Open report →
NEXRAD radar-signature map of the hail storm over Muscatine, IA on Mar 26, 2026 NEXRAD surface
Storm date Muscatine / IA

Mar 26, 2026

No ground reports filed Open report →

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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 13, 2026.