UPDATE (11:30 a.m. Wednesday):

Robert Winters, 82, was found safe Wednesday morning in Missoula, Montana, according to the Sweetwater County Sheriff's Office. 

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UPDATE: Sweetwater County Sheriff Mike Lowell issued an update Tuesday afternoon on the search for a missing senior.

Sweetwater Co. Sheriff
Sweetwater Co. Sheriff
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Robert Winters, 82, and his wife Barbara were traveling to the couple’s home in Port Angeles, Washington when they stopped in Wamsutter around noon on Sunday, July 30.

Winters, a victim of Alzheimer’s, short-term memory loss, and a heart condition, drove off alone and has gone missing.

Winters is a white male, 6'0" in height, weight about 175 pounds with grey hair and brown eyes. When last seen he was wearing a blue t-shirt and blue jeans. He is driving a grey 2004 Chevrolet Avalanche bearing Washington truck license plate C64039J. Both Winters and his vehicle have been entered into the NCIC (National Crime Information Center) database.

Lowell said investigating deputies and the Wyoming Highway Patrol have determined that Winters’s credit card was used late Monday afternoon in southern Idaho along the Interstate 84 corridor. Authorities there have been contacted and are investigating the credit card’s use. It is believed that it may reflect a fuel purchase, as the location is along the normal travel route between Sweetwater County and the Port Angeles area.

Law enforcement authorities in Port Angeles are on the alert for Winters and have interviewed neighbors; as of press time, there is no indication that he has yet returned there.

As the investigation continues, Barbara Winters is staying at a hotel in Rawlins

"We are continuing to ask that people watch for Mr. Winters and his vehicle," Lowell said. "If you have any information, call (307) 875-1400 or local law enforcement."

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Authorities in southwestern Wyoming are asking for the public's help in finding a missing man who suffers from Alzheimer's.

Robert Winters, 82, and his wife were headed home on Interstate 80 to Port Angeles, Washington on Sunday, when they stopped in Wamsutter at about noon.

Winters -- who suffers from Alzheimer's, short-term memory loss and heart problems -- reportedly drove off alone, and has not been heard from since.

Sweetwater County Sheriff Mike Lowell says Winters was driving a grey 2004 Chevrolet Avalanche with Washington license plates, reading C64039J.

Winters is described as a white man, six feet tall weighing roughly 175 pounds with grey hair and brown eyes. He was last seen wearing a blue t-shirt and blue jeans.

Both Winters and his vehicle have been entered into the National Crime Information Center, according to a press release from the Sweetwater County Sheriff's Office.

"We're asking that people watch for Mr. Winters and his vehicle," Lowell said in the release. "If you have any information, call 307-875-1400 or local law enforcement."

Authorities had not distributed a photo of Winters as of 9 p.m. Monday. This story will be updated, should a photo be made available to media.

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