Area Forecast Discussion
Owens Valley / Mammoth Lakes / Mono County / Death Valley
Dennis Mattinson / Sierra Atmospheric Forecaster

Synopsis – THU MAY 21 2026

Our warming trend continues thru the weekend, with temps some 5 – 10 degrees above normal. Surface heating will allow for cumulus build ups, bringing some shower chances (5 – 10%) to the area on Friday. Other than that, high temps should run 89° in Bishop by Memorial Day…DMATT

Area Wide Temperatures Today:

Bishop: 88 / 48
Big Pine: 87 / 54
Independence: 87 / 59
Lone Pine: 86 / 51
Olancha: 90 / 62
Mammoth Lakes: 68 / 44
Death Valley: 107 / 76