Holiday mountain – After Valley highs hit about 99 degrees, the forecast turns to small chances of light mountain showers Sunday night and a broader, more stormy pattern in northern and southeastern Arizona on Memorial Day and beyond. Tuesday looks mostly sunny in the Valley, wi
PHOENIX — High temperatures climbed to 99 degrees so far this afternoon, just above the seasonal average of 97.
Tonight stays mostly clear, with overnight lows settling into the mid-70s.
Sunday brings more of the same across the Valley, with highs in the 99-100 range. There’s a slight chance for a few light showers over the higher terrain southeast of Phoenix Sunday evening into early Monday morning. By Monday, which is Memorial Day, temperatures ease back slightly with a high near 98.
Up in the High Country, the holiday forecast looks more active on Monday. Scattered showers and thunderstorms are expected across northern and southeastern Arizona, including areas around Flagstaff and the White Mountains. Rain chances there sit around 50 to 60 percent, and some storms could linger into Monday evening. Travelers returning from the holiday weekend are advised to check the forecast before leaving.
Back in the Valley, Tuesday looks mostly sunny with highs in the mid to upper 90s. Wednesday turns a bit windier as temperatures dip slightly below normal, topping out near 95 degrees. Even cooler conditions are possible Thursday and Friday, with highs falling into the low 90s. By Saturday, temperatures rebound closer to average with a high near 97 degrees.
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Phoenix weather Memorial Day forecast high country thunderstorms Flagstaff rain chances White Mountains showers holiday travel weather