DMatt’s Weather

Owens Valley / Mammoth Lakes Dennis Mattinson Sierra Wave Media / KSRW-FM 92.5  Fri May 20 2022 Prefrontal winds yesterday (G 51 mph in Chalfant Valley), will lead to brisk postfrontal NE winds today, gradually diminishing overnight. All due to a large and cold...

Dennis Mattinson’s Weather April 1, 2022

  Dry weather this weekend as a shortwave ridge builds poleward into the Western US. Temperatures will gradually warm up thru Saturday. A slight dip in those temps on Sunday into Monday, as a dry front ripples across the region. Breezy in spots Sunday, 30 –...

Dennis Mattinson’s Weather For March 30, 2022

Wed Mar 30 2022    Mammoth Mountain (with its elevation and closeness to the parent low) picked up 8 inches of new Tuesday. As you know, we need all the snow we can get, as the past weekend was not kind to the Sierra snowpack. Shortwave ridging brings on dry and sunny...

Dennis Mattinson’s Weather March 29, 2022

Snow showers continue this morning for Mammoth then tapering as the day progresses, as the main trough shifts East of the region. It is certainly Spring weather now, with weak inside slider systems passing through followed by weak high pressure in their place. So high...