 A warming trend expected in southwest Arizona leading to extreme temperatures this weekend. For today in Parker, it will be sunny and hot with a high near 113. Five to ten mile per hour winds. The low tonight for Parker around 82. Yuma will also be sunny and hot with a high near 112. Winds five to ten miles per hour. The low tide for Yuma around 86. We are encouraged to wear sunscreen in an effort to prevent melanoma and other skin cancers.