Spings start to flow just before a rain. Sap from the maple tree flows faster before a rain shower. Water rising in springs and wells indicates rain. Many springs that have gone dry will have a good flow of water before rain. Wells gurgle and yield muddy water before a storm.
Soot falls down before a rain.
If burning coals stick to the bottom of a pot, it is the sign of a tempest. Fires burning paler than ushual and murmuring within are significant of storms. Burning wood pops more before rain and snow. Cockroaches are more active before a storm. Locusts sing when the air is hot and dry.