What's on a tornado prep checklist?
Updated August 2026
Tornado prep is two things: a safe room and a hardened house. Pick an interior room on the lowest level with no windows, a basement, bathroom, or closet, and stock it with helmets and sturdy shoes now, because a warning often gives only 10 to 15 minutes and sometimes far less. Then brace the biggest weak point, the garage door, and anchor heavy items. Peak US tornado season runs spring through early summer, so set all of this up well before March.
| Task | Interval | Effort |
|---|---|---|
| Pick an interior room, lowest level, no windows | Now | 15 min |
| Stock helmets and sturdy shoes for everyone | Now | one-time |
| Keep a flashlight, whistle, and battery radio there | Now | one-time |
| Task | Interval | Effort |
|---|---|---|
| Brace or replace the garage door | Before season | $200–1,500 |
| Anchor the water heater, bookcases, and heavy furniture | Before season | DIY |
| Trim or remove weak trees near the house | Yearly | pro |
| Task | Interval | Effort |
|---|---|---|
| Go to the safe room; put on helmets and shoes | At warning | now |
| Bring a phone, radio, and charged battery bank | At warning | 1 min |
| Cover up under a mattress or heavy blankets | At warning | 2 min |
| Task | Interval | Effort |
|---|---|---|
| Keep 1 gal water per person per day, 3 days food | Twice a year | restock |
| Store IDs, insurance, and deeds waterproof or in the cloud | Now | 30 min |
| Note the gas and water shutoffs for afterward | Now | 10 min |
What neglect costs
Two failures show up again and again in tornado damage. The first is a garage door that buckles under wind pressure, because once the largest opening fails the wind gets inside and can lift the roof off the walls. The second is sheltering in the open, a living room or a mobile home, where flying debris does the harm. A braced or wind-rated garage door runs $200 to 1,500; a full home rebuild after a roof loss runs into the hundreds of thousands. The safe room costs a weekend and some helmets.
Leave these to a pro
If your interior room is not truly protected, a rated storm shelter or safe room built to FEMA guidance runs roughly $3,000 to 9,000 installed and is the one upgrade that changes the odds in a direct hit. Short of that, a garage-door bracing kit or a wind-rated door at $200 to 1,500 shores up the most common structural weak point. A pro can also strap a water heater and tall furniture so they do not topple. Coastal homes should read this alongside the hurricane prep list.
This whole checklist ships as reminders in OnOtto: every task above, on the right schedule for your home, snooze-proof.
Load this checklist as remindersFrequently asked questions
Where is the safest place in a house during a tornado?
The smallest interior room on the lowest level with no windows: a basement is best, otherwise a first-floor bathroom, closet, or hallway near the center of the house. The goal is to put as many walls between you and the outside as possible, then get under something sturdy and cover your head and neck. A bathroom adds the bonus of reinforced plumbing walls and a tub to crouch in.
Why does the garage door matter so much in a tornado?
The garage door is the largest opening in most homes and the most common structural failure in high wind. Once it buckles inward, wind pressurizes the garage and pushes up on the roof from inside, and roof loss is what turns a survivable storm into a rebuild. A bracing kit or a wind-rated door, roughly $200 to 1,500, shores up that weak point better than almost any other single upgrade.
How much warning do tornadoes usually give?
Often only about 10 to 15 minutes, and sometimes far less, which is why the safe room and kit have to be ready in advance rather than assembled when the siren sounds. Enable Wireless Emergency Alerts on your phone and keep a battery or crank weather radio as a backup, since the power and cell service can drop. When a warning is issued for your area, go immediately and do not wait to see the storm.
Do helmets actually help during a tornado?
Yes. Head injuries from flying debris and collapse are a major cause of tornado deaths, and safety agencies recommend a bike, sports, or work helmet as a cheap extra layer of protection. Keep one per person in the safe room so nobody wastes precious minutes hunting for them. A helmet does not replace a sturdy shelter, but paired with sturdy shoes it meaningfully cuts your injury risk in a direct hit.