Man Climbs Highest Peak in North America in Frigid Weather

Lonnie Dupre tackled brutal conditions to become the first solo climber to summit Alaska’s Mount McKinley in January.
2:29 | 01/17/15

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Transcript for Man Climbs Highest Peak in North America in Frigid Weather
Thank you. To a different story involving a mission accomplished. A climber who braved whiteout conditions on Alaska's fearsome Mt. Mckinley. 'Done something nobody has ever done before. Michelle Franzen with the story. Reporter: This is heaven on Earth for Lonnie Dupre and an emotional journey to the top of Alaska's Mt. Mckinley known at denali at 20,320 feet, this moment is literally breathtaking. With ice chunks covering his face and beard his quest gives him bragging rights to be the first solo climber to achieve the feat in January. The darkest and coldest month on the summit. Now back down from the mountain, the Minnesota native still can't believe it. Glad to be there. Also glad to have it behind me and just overjoyed with the view that you can obtain from the summit. Reporter: For 29 days, the veteran climber tackled some of the toughest terrain and brutal conditions known to man. Many others haven't survived. Trekking his way up the summit where winter winds clock up to 100 miles an hour on some peaks and temperatures plunge to 51 degrees below zero. So mentally it's difficult because you're doing it in the dark and you're doing it solo. My body was healthy and I just kept an eye on the weather and kept moving. Reporter: That unpredictable and unrelenting weather caused him to turn back three other times during the years but the mountain kept calling him back. Even then I wasn't quite sure. I was never sure I was going to make it until I was actually standing on the summit. And then, of course, because I'd been frying so hard for four years, I just -- I kind of broke down a little bit. We can check that off his box. He had ten minutes tops on top and said he had to quickly turn around because most people don't survive the night it if they don't make it down to the 17,000 mark. So if you think about his climb as well as yosemite climbers it's been quite a week so what are you guys doing today? The couch. The first person to spend 12 hours on my couch ununinterrupted. In the harshest of conditions. Bragging rights for now. Michelle, thank you.

This transcript has been automatically generated and may not be 100% accurate.

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