Infographic map of Illinois showing spring 2026 storm damage by county: 74 confirmed tornado events, 186 severe wind events, and 272 severe hail events from March 1 to May 31, with callouts for Kankakee County's EF-3 tornado and 6.60-inch record hail, Cook County's roughly 34 storm reports, a 76 mph measured gust in McHenry County, and EF-2 tornadoes in Stephenson and McDonough counties.

Spring 2026 Illinois Storm Damage by County

Spring 2026 Illinois Storm Season: County-by-County Damage Patterns From a Licensed Roofing Contractor’s Perspective Coverage period: March 1 through May 31, 2026Geographic focus: Northern and northeastern IllinoisProfessional perspective: Illinois-licensed roofing contractor and NWS SKYWARN-trained storm spotterArticle updated: August 2, 2026 Spring 2026 Illinois storm damage should be evaluated county by county rather than treated as…

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Diagram of H-clip spacing for roof sheathing in Illinois showing one edge clip per bay midway between trusses at 24 inches on center, per IRC R803.2.2 and APA E30.

H-Clip Spacing for Roof Sheathing in Illinois: The Conditional Code Requirement Most Insurance Estimates Miss

H-Clip Spacing for Roof Sheathing in Illinois | Code Guide Direct answer: When panel edge support is required, APA guidance generally places one H-clip at the unsupported sheathing joint between each pair of rafters or trusses. On framing spaced 24 inches on center, this creates approximately 24-inch H-clip spacing along the joint. On 16-inch framing,…

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Storm damage guide for Illinois homeowners showing hail, wind, tornado, roof damage, emergency tarping, insurance claim checklist, and Allied Emergency Services restoration support.

Storm Damage Guide for Illinois Homeowners: What to Do After Hail, Wind, Tornado, or Water Damage

Direct Answer: What Should You Do First After Storm Damage? After storm damage, Illinois homeowners should first make sure everyone is safe, avoid unsafe areas, prevent further damage when it can be done safely, document the property with photos and videos, contact the insurance carrier, and call a qualified storm damage restoration contractor for inspection…

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