 At 140, you're tuned to Science Friday on KAWC Yuma, KAWP Parker, 88.9 FM, and kawc.org. An excessive heat warning in effect for both Yuma and Parker today. Sunny and hot for Parker, 114 the high. Southwest winds at 5 to 10 miles per hour today. Mostly clear and 88 overnight tonight. Sunny and 113 today for Yuma. South winds at 5 to 10 this afternoon. Mostly clear skies tonight, 90 the overnight low.