Sierra Atmospheric Forecast April 30th
Area Forecast Discussion


Owens Valley / Mammoth Lakes / Mono County / Death Valley


Dennis Mattinson / Sierra Atmospheric Forecaster

Synopsis - THU APR 30 2026

Mammoth Main received 2 additional inches of new snow in the last few days. Weak troughing will roughly remain over the Western US thru end of week. This weakness will allow dry weather and slight temperature raises thru Friday. The only exception will be Mammoth which will get few snow showers. Slow warming then thru the weekend, as a moderate ridge takes hold. This will allow temps to peak a bit above normal by Saturday. By Sunday into early next week, another trough drops down the CA coast. If nothing else, we will get a cooldown trend by about Tuesday...DMATT

Area Wide Temperatures Today:

Bishop: 76 / 39


Big Pine: 75 / 44


Independence: 76 / 49


Lone Pine: 76 / 51


Olancha: 77 / 52


Mammoth Lakes: 56 / 33


Death Valley: 99 / 68 https://sierrawave.net/?p=103851

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