Iowa is not supposed to be a disaster zone. It is flat, landlocked, far from hurricane tracks and wildfire corridors, and has spent most of its history boring actuaries in the best possible way. Then came the hail. And the straight-line winds. And the derecho of 2020 that nobody outside the Midwest seems to remember but that caused $11 billion in damage and remains one of the costliest thunderstorm events in American history. Since 2021, homeowner's insurance premiums in Iowa have risen 91 percent. Welcome to the new geography of climate risk.
The insurance industry has spent the better part of three years quietly repricing America, and the map it has drawn looks nothing like the old one. Florida and California get the headlines — insurers fleeing, markets destabilizing, state-backed insurers of last resort straining under the load. But the real story, the one playing out in places like Des Moines and Omaha and suburban St. Louis, is that the inland pricing revolution has arrived. Convective storms — the technical term for the thunderstorm complexes that produce hail, tornadoes, and the straight-line winds that can strip a roof as efficiently as any hurricane — now account for more insured losses in the United States than any other peril.
The mechanism is straightforward and brutal. Reinsurers — the companies that insure the insurance companies — have recalculated their climate exposure models and raised their rates sharply. Primary insurers have passed those increases along. Policyholders open their renewal notices and wonder what happened. What happened is that the price of pretending climate change was a coastal problem has come due, and it turns out that debt is distributed more or less everywhere.
The political response has been incoherent. State insurance commissioners, most of them elected or appointed by governors hostile to climate framing, have been reluctant to describe what is happening in climate terms. Federal intervention remains minimal. The National Flood Insurance Program, already tens of billions of dollars in debt, is being slowly reformed but cannot absorb the convective storm problem even if Congress wanted it to. And Congress, at the moment, has other things on its mind.
For ordinary homeowners, the options are limited: pay the higher premiums, accept higher deductibles, drop coverage and hope, or sell and move somewhere that hasn't yet been repriced. That last option is closing fast. The actuaries have found everywhere now.