Weather

Weather is unlocked in game once Farming has been discovered.

Storms and Lightning

 * Storms can occur once you discover and unlock Farming.
 * Lightning can strike trees and the ground, or just flash on the screen. When lightning strikes the ground, it can spawn a Chest.

Fires

 * Fires are caused when lightning strikes Trees.
 * The fires will spread quickly where there are vegetation and Abodes however it can be extinguished by using the Rain of Purity power. Followers can then repair Abodes and Farms and trees can grow back instantaneously by using this power.
 * Fires will also be put out by rain caused during storms.