If it is stormy, my friends and I won't ride a bike in the street.
if there is a severe storm, my parents and I will stay at home.
my father and I won't fish in a boat, if there is a heavy rain.
if there is a thunderstorm, I won't stay near an open window.
my friends and I won't play football, if it is raining.
I won't play outside, if the playground frosts during the night.
If the weather is stormy, I will stay away from metal things.
my parents and I won't go skiing, if the temperature is 25 below zero.