Weather & Atmospheric Forecast July 29thArea Forecast DiscussionOwens Valley / Mammoth Lakes / Mono County / Death ValleyDennis Mattinson / Weather & Atmospheric ForecasterSynopsis – WED JUL 29 2026Strong high pressure near 4-Corners will shift over N. AZ / SW UT today into the weekend. This action will bring heights to near 600 dm (which is near climatological max) for this time of year in our forecast Area. This translates to Major Heat Risk in the Owens Valley. So by Saturday, 112° is expected in Olancha and 128° in Death Valley…DMATTArea Wide Temperatures Today:Bishop: 102 / 60Big Pine: 101 / 65Independence: 102 / 70Lone Pine: 101 / 72Olancha: 102 / 72Mammoth Lakes: 80 / 53Death Valley: 120 / 90Related