Illinois · FIPS 17099

Hail Damage in LaSalle County, IL

10 years of NOAA-linked hail data for LaSalle County and surrounding areas. 13,663 events recorded since 2015.

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Total Hail Events

13,663

Within 30 miles

Largest Hail

4"

Inspection is the normal next step

Most Recent Event

September 16, 2026

Last recorded hail

Avg Hail Size

0.97"

Across all events

Hail Events in LaSalle 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 LaSalle County

2026
2,568
2025
982
2024
1,556
2023
610
2022
662
2021
933
2020
680
2019
1,493
2018
788
2017
1,119
2016
1,195
2015
1,077

Significant Hail Events

Events with hail 1" or larger in LaSalle County

DateHail SizeDistance
Sep 16, 20261"29.9 mi
Sep 16, 20261"30.0 mi
Aug 22, 20261"25.0 mi
Aug 22, 20261"24.9 mi
Aug 22, 20261"10.2 mi
Aug 22, 20261"6.4 mi
Aug 22, 20261"24.6 mi
Aug 22, 20261"26.3 mi
Aug 22, 20261"26.9 mi
Aug 22, 20261"28.0 mi
Aug 22, 20261"26.6 mi
Aug 22, 20261.25"28.0 mi
Aug 22, 20261"28.1 mi
Aug 22, 20261"28.4 mi
Aug 22, 20261.25"29.8 mi
Aug 22, 20261"28.1 mi
Aug 22, 20261"29.7 mi
Aug 22, 20261.25"29.8 mi
Aug 22, 20261"29.8 mi
Aug 22, 20261"9.8 mi
Aug 22, 20261"25.5 mi
Aug 22, 20261"22.7 mi
Aug 22, 20261.25"23.6 mi
Aug 22, 20261"23.7 mi
Aug 22, 20261"23.7 mi

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LaSalle County Hail Damage FAQ

How many hail events has LaSalle County, IL experienced?+

LaSalle County, IL has recorded 13663 hail events within a 30-mile radius of the county center since 2015, based on NOAA NEXRAD radar data. With over 13663 events in a decade, LaSalle County is considered a high-risk hail area.

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

The largest hail event recorded near LaSalle County reached 4 inches. The average hail size across all events is 0.97 inches. Hail of 1 inch or larger can bruise or crack asphalt shingles, and at 2 inches or larger a professional roof inspection is the normal next step after a storm. A recorded size is exposure, not a damage finding. Only a licensed roof inspection can determine whether a specific roof was damaged; coverage depends on the policy and carrier.

When is hail season in Illinois?+

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

Does insurance cover hail damage in LaSalle County?+

Many standard homeowner's policies in Illinois include hail under a "wind and hail" peril, but coverage and deductibles differ from one policy to the next. Claim deadlines and coverage rules vary by carrier and policy — confirm yours with your insurer or your state's insurance department. Document what you observe promptly. Even when nothing is obvious from the ground, a licensed roofer can check for impacts during an inspection — and that inspection, not a hail record, is what shows whether a roof was damaged.

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

Hail damage repair costs in LaSalle 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 a licensed inspection finds. Whether a confirmed repair is covered, and what deductible applies, depends on your policy and carrier. Getting more than one contractor estimate before deciding whether to file is a reasonable step.

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 LaSalle 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 LaSalle County center.