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.
The daisy shuts it's eye before rain. If the marigold should open at six or seven in the morning and not close until four in the afternoon, we may reckon on settled weather. When pipes smell stronger, it's going to rain. If the perfume of flowers is unusually preceptible, Expect rain. Flowers smell best just before a rain.