San Tan Valley 10 Day Weather. 1  Wednesday:The San Tan Valley forecast for Apr 19 is 83 degrees and Sunny. There is 20 percentage chance of rain and 4 mph winds from the West-Southwest. 2  Thursday:The San Tan Valley forecast for Apr 20 is 77 degrees and Sunny. There is 11 percentage chance of rain and 7 mph winds from the West.
Hydra, genus of invertebrate freshwater animals of the class Hydrozoa (phylum Cnidaria). The body of such an organism consists of a thin, usually translucent tube that measures up to about 30 millimetres (1.2 inches) long but is capable of great contraction.
Lernaean Hydra. The Lernaean Hydra was a monster in Greek mythology. It had many heads and every time someone would cut off one of them, two more heads would grow out of the stump. It was one of the offspring of Typhon and Echidna, the father and mother of all monsters respectively.