Bottled water
In case pipes freeze, water from tap is contaminated from flood water, water is turned off.
Whistle
Get attention of other people/rescue personnel
Mask
Can use to keep you warm or protection from fire smoke
Backpack
Carry items easily if need to evacuate
Cash
If credit card/debit card machines aren't working
Non-perishable food
Can't access a grocery store because of blizzard/flood. Need to throw away food that has been contaminated/food that has been sitting at room temperature (especially meat)
Radio
Can get updates on weather reports/disaster situation
Wool blanket
Warm in cold weather and is fire resistent
First aid kit
Phone and charger
Use to call for help, signal to friends/family that you are safe
Water purification tablets
Contaminated water from flooding - use to purify water
Flashlight and batteries
To see if the power goes out
Tarp
Can use as protection from rain/snow. Can also be used to keep out cold if window breaks
Extra clothes
When other clothes get too dirty to wear, wet, or need additional warm clothes
Close toed shoes
To evacuate if necessary, clean up after disaster
Matches
Light a fire to boil water
List of important phone numbers
In case phone dies, no internet, want to know the numbers to call people for help (think neighbors, friends/family out of state, power company, etc.)
Duct tape
To fix things easily or hang something (tarp over window, etc.)
Medicine
If someone need a specific kind of medicine (also be thinking about people who have diabetes or other illnesses that need to be monitored on a regular basis)
Fire extinguisher
To put out a small fire if you are awake when something is burning
Comfort/stress foods
In a stressful situation, you might want a food that comforts you when you eat it (preferably a non-perishable food)
Copies of important documents
If they get destroyed in a natural disaster, it is easier to replace them if you have a copy
Knife
Build shelter, prepare food, repair other items, etc.
Heavy duty gloves
Move heavy items (think tornado situation where trees or other large items might be somewhere they usually are not)
Pets, children, older people: 3 additional reasons
Pet food and bowls, extra water, leashes/carriers, comfort toys, diapers, formula, glasses, hearing aids, wheelchair, etc.