Man dies after his car went airborne and hit a tree in Aitkin County

WEALTHWOOD TOWNSHIP, Minn. (FOX 9) - A man died after his car went airborne and struck a tree in Wealthwood Township Saturday afternoon. 

Fatal Wealthwood crash on Highway 18

What we know:

According to the Minnesota State Patrol, a man was driving westbound on Highway 18 when he went off the road. His car then went airborne off a driveway approach, hitting a tree. 

The car rolled onto its roof and landed in the ditch, authorities said. 

The man, who was identified by authorities as 77-year-old Leon Herbert Schefers, died at the scene. 

No other vehicles were involved in the crash, and road conditions were wet at the time. 

What we don't know:

Authorities say it is unknown if alcohol was involved in the crash. 

It is not clear what caused Schefers to go off the road leading up to the crash.