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IA · State Hail MapPeak season: April – JulyLargest recent: 3.5"

Iowa Hail MapStatewide Hail Storm Data & Swaths

Iowa averages 230 hail storms per year with peak activity during April – July. Live swath data from NOAA SPC and radar-verified reports — updated hourly. Average claim value: $12,500.

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Filter by date range and hail size. Stack multiple events to compare swaths and estimate combined property exposure.

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Iowa Hail Statistics

230

Avg. Annual Hail Storms

47

Avg. Annual Tornadoes

April – July

Peak Hail Season

$12,500

Avg. Hail Claim Value

Live Storm Feed

Recent Iowa Hail Events

Jun 12, 2026

Bussey, IA

1.75"
ZIPs affected: 39
Est. properties: 11.7K

Jun 12, 2026

Hamilton, IA

2"
ZIPs affected: 38
Est. properties: 11.4K

Jun 12, 2026

4 SE Harvey, IA

1.75"
ZIPs affected: 40
Est. properties: 12K

Jun 12, 2026

Knoxville, IA

1.75"
ZIPs affected: 44
Est. properties: 13.2K

Jun 12, 2026

1 SSW Knoxville, IA

1.75"
ZIPs affected: 44
Est. properties: 13.2K

Jun 12, 2026

1 WNW Osceola, IA

1.75"
ZIPs affected: 37
Est. properties: 11.1K

Jun 12, 2026

2 N Attica, IA

1.75"
ZIPs affected: 42
Est. properties: 12.6K

Jun 11, 2026

Weldon, IA

2"
ZIPs affected: 33
Est. properties: 9.9K

Jun 11, 2026

Bussey, IA

1.75"
ZIPs affected: 39
Est. properties: 11.7K

Source: NOAA SPC hail reports. Data updated hourly. View 12-month history →

Hail Insurance & Contractor Rules in Iowa

Iowa requires PA licensing. Contractors must be registered. Standard TCPA compliance applies to all outreach. No state-mandated post-storm solicitation moratorium.

Iowa City Hail Maps

Des Moines

218 events / 5yr

Get Alerted + Automated Outreach When Hail Hits Iowa

AI-STORMS monitors all of Iowa 24/7. When qualifying hail is detected, we discover affected properties, skip-trace owner contacts, and deploy compliant outreach within 35 minutes. Beat your competitors to every storm lead.

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Neighboring State Hail Maps

Minnesota

200 avg storms/yr · Peak: May – August

Wisconsin

160 avg storms/yr · Peak: May – August

Illinois

220 avg storms/yr · Peak: April – July

Missouri

280 avg storms/yr · Peak: April – June

Nebraska

280 avg storms/yr · Peak: May – July

South Dakota

180 avg storms/yr · Peak: May – August

Frequently Asked Questions

When was the last significant hail storm in Iowa?

Our live storm feed shows the most recent hail event in Iowa occurred on Jun 12, 2026 near Bussey with hail up to 1.75". For real-time swath data, use the interactive hail map.

Does insurance cover hail damage in Iowa?

Iowa requires PA licensing. Contractors must be registered. Standard TCPA compliance applies to all outreach. No state-mandated post-storm solicitation moratorium. Most standard homeowners policies cover hail damage to roofs, siding, and windows under dwelling coverage. Check your declarations page for hail-specific deductibles, which may be expressed as a percentage of insured value rather than a flat amount.

How big does hail need to be to damage a roof?

Hail 0.75" (dime-size) can dent soft metals. Hail 1.0" (quarter-size) bruises asphalt shingles and causes granule loss. Hail 1.5"+ (golf ball-size) causes structural damage most insurers will cover for full replacement. A qualified roofing contractor or public adjuster can identify claim-eligible damage that isn't visible to the untrained eye.

What time of year does Iowa get the most hail?

Iowa averages 230 hail storms per year, with peak activity during April – July. This is when warm, moist air from the Gulf meets dry air from the west, creating the atmospheric instability that fuels severe thunderstorms and hail-producing supercells.