Lighting will change during the time of play - (Morning, Evening, Night)
Morning will be bright and torchs or anyother light sources will be almost transparent.
Evening will be dull and torchs will lighten up a surrounding area.
Night will be dark and torchs will lighten up and brighten up more of the surrounding area.
Weather - (Rain, Thunderstorms)
Torchs under such condition will lose there light and the survivor most relight them
Rain is a slight drizzle and is mostly common throughout morning and evening.
Thunderstorms are heavy with lots of rain and flashes and is most common at night.