"What is the deadline to make contributions?

Your tax return filing deadline (not including extensions). For example, you can make 2022 IRA contributions until April 18, 2023."

Disaster relief isn't an extension to file. It changes the due date.

Here's an article:

https://www.wolterskluwer.com/en/expert-insights/disaster-tax-relief-effects-on-individual-retiremen...