Two Major Insurers Report Sharp Spike in Claims From Early March Storms Across Central and Eastern U.S.
Two of the nation’s largest property insurers have disclosed a significant surge in claims following a series of severe storms that swept through more than a dozen states in early March 2026. The outbreaks brought powerful tornadoes, large hail, and damaging straight-line winds, contributing to insured losses now estimated in the low-to-mid single-digit billions of dollars, according to catastrophe modeling firms Aon and Gallagher Re.
The latest reports highlight the growing financial toll of severe convective storms, which have become one of the leading drivers of insurance losses in recent years.
Severe Weather Outbreak Hits Multiple States
The storms struck primarily between March 10 and 12, unleashing two distinct waves of severe weather. Reports documented numerous tornadoes, hailstones large enough to dent vehicles and shatter roofs, and winds exceeding 60 mph in several areas. Hardest-hit regions included parts of Illinois, Missouri, and surrounding Midwest and South Central states, with damage extending across the central and eastern United States.
Aon’s March 13 weekly catastrophe report placed preliminary insured losses from the event in the low-to-mid single-digit billions, with total economic losses expected to run 20-25% higher. Gallagher Re described it as the most impactful and expensive U.S. severe convective storm event of 2026 so far.
Insurers Tally Tens of Thousands of Claims
State Farm, the country’s largest homeowners and auto insurer, has received more than 13,000 claims tied to the storms, with additional filings pushing the carrier’s total higher in recent days. A second major carrier has also reported substantial activity, bringing the combined claims from just these two insurers to more than 38,000 as of mid-March.
State Farm spokesperson Tom Hartmann noted that Illinois saw the most widespread damage, followed closely by Missouri. Hail accounted for a larger share of claims than tornadoes in many areas. The insurer has deployed mobile claims teams, including a site in Bradley, Illinois, to assist policyholders.
Key Facts From the March Storms:
- Timeframe: Primarily March 10–12, 2026, with two waves of activity
- Impacts: Tornadoes, large hail, high winds across more than a dozen states
- Claims Reported: Over 38,000 from two major carriers alone (including more than 13,000–35,000+ at State Farm)
- Loss Estimates: Low-to-mid single-digit billions in insured losses (Aon and Gallagher Re)
- Most Affected Areas: Illinois, Missouri, and broader Midwest/South Central regions
Rising Trend in Severe Convective Storm Losses
This early-March event adds to a multi-year pattern of escalating costs from thunderstorms, hail, and tornadoes. Industry data shows U.S. severe convective storm insured losses have exceeded $50 billion annually in each of the last three years, according to Moody’s analyses. Experts point to a combination of urban sprawl, higher rebuilding costs, more frequent intense storms, and social inflation as key factors driving claims higher.
The 2026 storms arrive against a backdrop of already elevated catastrophe activity, including earlier winter events that also pressured first-quarter earnings for property/casualty insurers.
What This Means for Policyholders and the Industry
For homeowners and businesses in affected areas, the high volume of claims could lead to longer processing times, though insurers say they are prioritizing response efforts. Policyholders are urged to document damage thoroughly and file promptly.
Broader implications include potential upward pressure on future premiums in storm-prone regions, as carriers continue to manage rising catastrophe exposure. Reinsurers are expected to see more limited direct impact from this specific event compared to primary insurers.
The situation remains fluid as adjusters complete assessments and final loss tallies are compiled. Affected residents should check with their insurance providers for specific guidance on claims and temporary repairs.
Frequently Asked Questions (FAQ)
Q: How many claims have been filed from the March 2026 storms? A: Two major carriers have reported more than 38,000 claims combined, with State Farm alone receiving over 13,000 (and updates showing higher totals in some reports).
Q: What is the estimated insured loss amount? A: Preliminary estimates from Aon and Gallagher Re place insured losses in the low-to-mid single-digit billions of dollars.
Q: Which states were hit hardest? A: Illinois and Missouri experienced the most widespread damage, with impacts stretching across more than a dozen states in the central and eastern U.S.
Q: What types of damage were most common? A: Large hail caused the majority of claims in many areas, followed by tornado and high-wind damage to roofs, vehicles, and property.
Q: Will this affect my insurance rates? A: Persistent rises in severe storm losses have contributed to premium increases in high-risk areas in recent years; further adjustments may occur as insurers review 2026 claims data.
By Mark Smith
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