Dennis Mattinson / Sierra Atmospheric Forecaster September 25th
Area Forecast Discussion


Owens Valley / Mammoth Lakes / Mono County / Death Valley


Dennis Mattinson / Sierra Atmospheric Forecaster

Synopsis - THU SEP 25 2025

Our ridging pattern has been replaced by an incoming tropical low. Expect then chances of showers and t-storms today and Friday. As that tropical storm meanders around the Great Basin, this action will continue slight chances of lingering showers (off/on) thru the weekend into early next week. With all this, your temps will continue to run about normal for the end of September.

-DMATT

Area Wide Temperatures Today:

Bishop: 82 / 49


Big Pine: 84 / 54


Independence: 83 / 58


Lone Pine: 83 / 60


Olancha: 85 / 64


Mammoth Lakes: 60 / 44


Death Valley: 106 / 81 https://sierrawave.net/dennis-mattinson-sierra-atmospheric-forecaster-september-25th/

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