"She's looking forward to her release," attorney Shawn Chapman Holley said Thursday after visiting the actress, 24, at Century Regional Detention Facility in Lynwood, Calif., for about an hour. "It's a light at the end of the tunnel."
Lohan is "fine, she's good," adds Chapman Holley, though she says she's "not exactly sure" when the star's jail term will be over.
Lohan started serving her 90-day sentence on July 20 for violating probation in a DUI case. The Sheriff's Department has said she could be released as early as Sunday. She will then be headed to an inpatient rehab center.
Also paying the actress a visit the same day as her attorney: ex-girlfriend Samantha Ronson, mom Dina and sister Ali.
Asked if the family would be spending time with Lohan before she goes to rehab, Dina told PEOPLE, "We hope so."