 Yuma's high today should be near 113 with 20 mph wind gusts. The low tide for Yuma around 84. In Parker, the high could be near 116 today with 5 to 10 mph winds. The low tide in Parker around 82. The Saguaro cactus is perhaps the most iconic symbol of the Sonoran Desert. But how did this giant cactus come to bear the burden of representing an entire region?