Geranium petals will protect you from lighting strikes and snakebites.
Carrying a branch from a tree that has been struck by lightening is said to protect the carrier.
If outdoors, tapping a black stone against a white stone until you are indoors is said to create a magickal current that lightening cannot penetrate.
Burning a candle during a lightening storm will protect the home from lightening.
Burying flint at the four directions around your house (this must be done clockwise) will protect against lightening.
A small bag containing chips from a lightening struck tree hanging above the door or buried at the four directions will protect the home.
Lightening will not strike a house or barn inhabited by swallows.
Mistletoe offers a variety of protection against lightening (preferably mistletoe growing naturally on your property). It can be carried in the pockets for personal protection. It can be tied to a doorway for protection of a house or barn. It can also be hung on a farm animal for their protection (cows are often stuck by lightening).
To protect against tornadoes, take a sharp knife and place it in the ground blade upwards (CAUTION!) in the southwest corner of your property or in a southwest window. Folklore states that the knife will magickally cut the tornado as it approaches so that it misses the house/property. If you believe that it will be a very bad tornado (larger than most) you can place more than one knife across the southwest boundary.
A large cauldron or barrel in the southwest corner is said to "confuse" a tornado and cause it to catch its tail inside which will dissipate it before it reaches your property.
Geraniums on the southwest edge of your land can also provide protection against storms.
Acorns thrown on the roof before it rains to prevent hail damage.