Another day of temperatures in the 90s is expected today with temperatures cooling into the 80s (70s) across the lower deserts (higher terrain) to end the work week. Temperatures will rebound this weekend and warm back into the 90s (80s) across the lower deserts (higher terrain). Additional low-end rain chances exist again this afternoon and evening, mainly across the AZ higher terrain surrounding Phoenix. A cold front will move through the region during the overnight and morning hours tonight into Wednesday. This will bring additional shower chances. Most activity may fall as virga, especially across the lower deserts. Best chances for accumulating rainfall will be across the higher terrain north and east of Phoenix.