Missouri · FIPS 29047

Hail Damage in Clay County, MO

10 years of verified NOAA hail data for Clay County and surrounding areas. 15,198 events recorded since 2015.

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Total Hail Events

15,198

Within 30 miles

Largest Hail

4"

Severe — likely roof damage

Most Recent Event

August 10, 2026

Last recorded hail

Avg Hail Size

1.05"

Across all events

Hail Events in Clay County

100 events within 30 miles · Click for details

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Storm Frequency by Year

Number of hail events recorded each year in Clay County

2026
1,339
2025
1,134
2024
2,050
2023
991
2022
465
2021
1,002
2020
925
2019
1,757
2018
847
2017
1,418
2016
1,396
2015
1,874

Significant Hail Events

Events with hail 1" or larger in Clay County

DateHail SizeDistance
Aug 10, 20261"17.6 mi
Aug 10, 20261"27.6 mi
Aug 10, 20261"26.7 mi
Aug 10, 20261"6.8 mi
Aug 9, 20261"25.8 mi
Aug 9, 20261"24.8 mi
Aug 9, 20261"23.8 mi
Aug 9, 20261"23.8 mi
Aug 9, 20261"21.6 mi
Aug 6, 20261"20.4 mi
Aug 6, 20261"9.0 mi
Aug 6, 20261.25"6.4 mi
Aug 6, 20261"8.7 mi
Aug 6, 20261.5"29.0 mi
Aug 6, 20261"28.6 mi
Aug 6, 20261.25"26.8 mi
Aug 6, 20261"27.3 mi
Aug 6, 20261"27.3 mi
Aug 6, 20261.25"16.5 mi
Aug 6, 20261.25"14.3 mi
Aug 6, 20261"23.7 mi
Aug 6, 20261"25.3 mi
Aug 6, 20261"26.1 mi
Aug 6, 20261"25.3 mi
Aug 6, 20261"29.0 mi

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Clay County Hail Damage FAQ

How many hail events has Clay County, MO experienced?+

Clay County, MO has recorded 15198 hail events within a 30-mile radius of the county center since 2015, based on NOAA NEXRAD radar data. With over 15198 events in a decade, Clay County is considered a high-risk hail area.

What is the largest hail size recorded in Clay County?+

The largest hail event recorded near Clay County reached 4 inches. The average hail size across all events is 1.05 inches. Hail above 1 inch can crack shingles, and hail above 1.75 inches can cause severe structural damage requiring full roof replacement.

When is hail season in Missouri?+

Hail season in Missouri typically runs April through July. During these months, atmospheric conditions create powerful thunderstorms capable of producing large hail. Clay County residents should inspect their roofs after any storm and consider a professional inspection each spring.

Does insurance cover hail damage in Clay County?+

Yes, standard homeowner's insurance policies in Missouri typically cover hail damage as part of the "wind and hail" peril. Most policies require you to file a claim within 1–2 years of the storm date. It's important to document damage promptly — even if damage isn't visually obvious from the ground, a licensed roofer can identify hail impacts during a free inspection.

How much does hail damage roof repair cost in Clay County?+

Hail damage repair costs in Clay County typically range from $8,000–$25,000+ for full roof replacement. The final cost depends on roof size, pitch, material type, and the extent of damage. In most cases, if hail damage is confirmed, your homeowner's insurance will cover the cost minus your deductible.

What is a HailScore and how is it calculated?+

A HailScore is a 0–100 risk index that measures historical hail activity near a specific property. The score is calculated from five factors derived from NOAA NEXRAD radar data: storm frequency, recency, hail size, cumulative damage, and proximity. A score of 0–25 is Low, 26–50 is Moderate, 51–75 is High, and 76–100 is Very High — the same sacred bands used on the live report.

Need a Clay County address's hail history as a document?

The Official Hail History Report is a one-off $9.95 PDF: the NOAA Storm Events and NEXRAD radar records within 1 mile of the address over 10 years, each with its government source ID. Documents exposure, not damage.

Order the PDF — $9.95

Weather data provided by NOAA National Weather Service and Storm Prediction Center. This product is not affiliated with or endorsed by the U.S. Government. Data covers 2015 to present within a 30-mile radius of Clay County center.