Friends of the longtime NBC anchor say Nancy Guthrie would want Savannah to go back to work and, as close as The Today Show hosts are, she knows she’s returning to a supportive environment.

The Today programme host visited her colleagues in the office on Thursday, as the search for her mum continues.

The Pima County Sheriff's Department said investigators continue to analyze evidence in the disappearance of Savannah Guthrie's elderly mother Nancy.

Morning-show audiences have tuned in more to “Today” in recent weeks. Viewership for “Today” for the five days ended February 20 rose 19%, or 517,000 viewers, according to data from Nielsen, compared to the year-earlier period. That viewership hike follows one of 30% in the prior week and one of 23% in week before that.

Savannah Guthrie has been on hiatus from the "Today" show since her mother's mysterious disappearance over a month ago.

Savannah Guthrie visited the 'Today' show studios amid the search for her missing mother Nancy Guthrie. Here's where the investigations is at.

Savannah Guthrie is returning to NBC’s “Today” show. When, however, is still unknown. CNN, citing two sources, reports the decision is up to Guthrie, who continues to search for her mother Nancy Guthrie, who remains missing after almost four weeks of searching.

Megyn Kelly claims Savannah Guthrie remains furious over reports that her brother-in-law is allegedly a "prime suspect" in her missing mother Nancy's disappearance, RadarOnline. com can reveal.

Dreyer also opened up about Guthrie's recent visit to 'Today's Studio 1A.

Ms. Guthrie visited 30 Rockefeller Plaza on Thursday for the first time since her mother, Nancy, went missing in early February.