(UPDATE, 12:58 pm, THURSDAY, JANUARY 30) The Glacier County Sheriff's Office says that Trisha has been located and is safe, and thanked the community.
The Sheriff's Office issued an "attempt to locate" for Trisha on Wednesday afternoon.
No other details have been released.
Friends of Trisha organized a search on Thursday morning; we do not yet know if their efforts resulted in Trisha being found.
(1st REPORT, WEDNESDAY JANUARY 29) The Glacier County Sheriff's Office has issued an "attempt to locate" alert for Trisha Alexander.
The alert says that she was last seen at around 6:30 p.m. on Tuesday, January 28, dropping her mother off at the Casino in Browning.
She was driving a red 2007 Ford F-150 four-door with a grill guard, with license plate CSZ940.
If you have information on her whereabouts, you are asked to call the Glacier County Sheriff's Office dispatch center at 406-873-2711, or Blackfeet Law Enforcement Services at 406-338-4000.