Accident Overview
A pilot obtained a weather briefing twice before departure and was advised each time that VFR flight along his intended route was not recommended. Despite the advisories, the flight proceeded.
Witness Accounts
One witness observed the aircraft flying at a low altitude below a cloud layer. The aircraft then made an abrupt left descending turn and subsequently crashed in a field.
Another witness, driving on Interstate 5, reported seeing the aircraft pass overhead at an altitude of 300 to 400 feet above ground level, below the clouds. Shortly thereafter, the witness saw a ball of flames adjacent to the highway.
Aftermath
The crash resulted in a fire, as indicated by the witness's observation of flames. No further details about the aircraft, occupants, or injuries are available from the provided source.