Early thunder, early spring.
Early and Late Thunder.
Thunder and lightning early in winter or late in fall indicates warm weather.
East Thunder.
If the first thunder is in the east, aha! the bear has stretched his right arm and comes forth, and the winter is over. (Zuñi Indians.)
East Wind.
If an east wind blows against a dark, heavy sky from the northwest, the wind decreasing in force as the clouds approach, expect thunder and lightning.
Evening Thunder.
If there be thunder in the evening, there will be much rain and showery weather.
Thunder in the evening indicates much rain.