TUCSON, Ariz. (13 News) – Rain and snow showers will dive in from the north late tonight throughout the day Saturday. This weather system will be colder than the previous ones with snow levels dipping as low as 3500 ft! Saturday is a First Alert Action Day. We dry out Sunday onward, with temperatures gradually climbing. Highs should be near and/or above normal again by the middle part of the workweek.