Saturday Forecast: Warming trend for the weekend

TUCSON – 70s will return to Tucson Sunday.This is thanks to high pressure near the West Coast, which is going to move East over the desert Southwest.  Daytime highs will peak in the low 70s Sunday through Tuesday.
On Wednesday a low pressure system will return to the area. This will drop temperatures to below normal and bring a slight chance for showers to Southern Arizona.  Rain will mainly be limited to the higher terrain, but it may bring breezier conditions to the valley floo