The victim has been identified as Kristi Carnes of Arapahoe, an employee at the BD facility.
Carnes was found unresponsive in her vehicle shortly before 10:30 p.m.
Carnes was transported to Phelps Memorial Hospital in Holdredge by ambulance where she was pronounced dead on arrival.
Authorities say foul play is not suspected.
The cause of death is being investigated by the Phelps County Attorney’s Office.
By Brent Weithorn, KKPR, Kearney