AT 1930, THE PLT CONTACTED FSS & REQUESTED DESTINATION WX. HE WAS ADVISED THAT VFR FLT WAS NOT RECOMMENDED. AT 2017, HE CONTACTED ATC CENTER & REPORTED THAT HE '...RAN INTO A LITTLE SOUP...' AT 2020, HE REPORTED 'I'VE LOST UH MY TURN INDICATOR...' THE NON-PILOT-RATED ATC CONTROLLER THEN BEGAN PROVIDING NO-GYRO VECTORS TO THE PILOT. IN ADDITION, THE CONTROLLER DID NOT PROVIDE THE MINIUM VECTORING ALTITUDE TO THE PILOT. AT 2028, THE PILOT REPORTED '...WE'RE HAVING SOME...TROUBLE...' THE AIRPLANE WAS OBSERVED COMING DOWN AT ABOUT A 45 DEG ANGLE.