You'll do less harm to the environment and work a lot less hard as well. A few weather signs can prove helpful to the camper. For instance, a halo around the sun or moon means that there is an 80 percent chance of percipitation withing 36 hours. Falling barometric pressure, a good indication that rain is coming, reveals itself to the observant camper in a number of ways, like the following. They are often forerunners of approaching storms.
More gas bubbles rise in there water when there is a lot of decaying vegetation.
In swampy areas, you can even smell the gases. Smoke particles collect water and become visible, making the campfire smokier. Birds get quiet before a storm. Some have observed that the birds seem tosense the duration of a rain. If it is raining early in the morning but likely to clear up later in the morning, the birds waith until it is drier.