The fog made headlines on Monday as snowboardcross and biathlon were delayed, and Russia attempted use large fans to dispatch with the muck.
But on an otherwise gloomy day, Americans took home a series of medals that helped put them back near the top of the medal count.

Meryl Davis and Charlie White won gold in ice dancing, and Americans took to the podium of the two-man bobsled event for the first time since 1952 with Steven Holcomb and Steve Langton scoring a bronze medal.
Bode Miller took home a bronze medal in super-G, but most of the attention was directed to his post-race interview. NBC's Christin Cooper was criticized widely on social media for asking prying questions that resulted in Miller shedding tears during the interview.
The U.S. women's hockey team cruised to a 6-1 victory over Sweden, sending them to Thursday's gold-medal match where they will face the three-time defending gold medalists of Canada.
And if you have missed Bob Costas, who was sidelined by an eye infection, there is more good news - he returns to anchor NBC's coverage on Monday night.
US Charlie White and Meryl Davis celebrate winning the gold medal during the Figure Skating Ice Dance Flower Ceremony at the Iceberg Skating Palace during the Sochi Winter Olympics on Feb.17, 2014.
Gold medalist Belarus' Darya Domracheva celebrate on the podium in the Women's Biathlon 12,5 km Mass Start at the Laura Cross-Country Ski and Biathlon Center during the Sochi Winter Olympics on Feb. 17, 2014, in Rosa Kuthor, near Sochi.
David Wise of the United States jumps during a freestyle skiing training session in the halfpipe at the Rosa Khutor Extreme Park, at the 2014 Winter Olympics, Monday, Feb. 17, 2014, in Krasnaya Polyana, Russia.
Athletes and spectators take ski-lifts at the Rosa Khutor Extreme Park after the jury's decision to cancel the Men's Snowboard Cross competition due to heavy fog during the Sochi Winter Olympics on Feb. 17, 2014. Fog shrouding the peaks above Sochi forced Olympics organisers to cancel the men's snowboard cross competition.
An athlete adjusts his bindings during the Nordic Combined 10km official training on day 10 of the Sochi 2014 Winter Olympics at RusSki Gorki Jumping Center on Feb. 17, 2014 in Sochi, Russia.
Athletes compete in the Women's 12.5 km Mass Start during day ten of the Sochi 2014 Winter Olympics at Laura Cross-country Ski & Biathlon Center on Feb. 17, 2014 in Sochi, Russia.
Mykola Puzderko of the Ukraine crashes in the Freestyle Skiing Men's Aerials Qualification on day ten of the 2014 Winter Olympics at Rosa Khutor Extreme Park on Feb. 17, 2014 in Sochi, Russia.
Gold Medallist, Belarus' Anton Kushnir celebrates with Silver Medallist, Australia's David Morris in the Men's Freestyle Skiing Aerials finals at the Rosa Khutor Extreme Park during the Sochi Winter Olympics on Feb. 17, 2014.
A coach walks down a tunnel as the race is delayed due to fog and poor visablity at the Men's 15 km Mass Start during day ten of the Sochi 2014 Winter Olympics at Laura Cross-country Ski & Biathlon Center on Feb. 17, 2014 in Sochi, Russia.
U.S. speedskating coach Ryan Shimabukuro, center, films Brain Hansen, front left, Joey Mantia, rear left, Jonathan Kuck, second right, and Shani Davis, right, as they practice the team pursuit at the Adler Arena Skating Center at the 2014 Winter Olympics, Monday, Feb. 17, 2014, in Sochi, Russia.
The gold, silver and bronze medalists for Men's Ski Jumping pose at the RusSki Gorki Jumping Center during the Sochi Winter Olympics on Feb.17, 2014, in Rosa Khutor, near Sochi.
Stefanie Marty of Switzerland and Marie-Philip Poulin of Canada battle against the boards during the third period of the 2014 Winter Olympics women's semifinal ice hockey game at Shayba Arena, Monday, Feb. 17, 2014, in Sochi, Russia.
Latvia-1 two-man bobsleigh pilot Oskars Melbardis and brakeman Daumants Dreiskens take the start of the Bobsleigh Two-man Heat 3 at the Sliding Center Sanki during the Sochi Winter Olympics on Feb.17, 2014.
Anton Kushnir of Belarus competes in the Freestyle Skiing Men's Aerials Qualification on day ten of the 2014 Winter Olympics at Rosa Khutor Extreme Park on Feb. 17, 2014 in Sochi, Russia.
Charlene Guignard and Marco Fabbri of Italy compete in the Figure Skating Ice Dance Free Dance on Day 10 of the Sochi 2014 Winter Olympics at Iceberg Skating Palace on Feb. 17, 2014 in Sochi, Russia.
Jocelyne Lamoureux #17 of the United States handles the puck in the third period against Sweden during the Women's Ice Hockey Playoffs Semifinal game on day ten of the Sochi 2014 Winter Olympics at Shayba Arena on Feb. 17, 2014 in Sochi, Russia.
An athlete carries skis at the Laura Cross-Country Ski and Biathlon Center on Feb.17, 2014. Thick fog shrouding the mountains at the Sochi Olympics forced organisers to postpone events. Coaches at the Laura biathlon course said the biggest problem was not so much the fog as the poor quality of the snow.
United States teammate wait for the United States USA-1, piloted by Steven Holcomb and brakeman Steven Langton, to cross into the finish area during the men's two-man bobsled competition at the 2014 Winter Olympics, Monday, Feb. 17, 2014, in Krasnaya Polyana, Russia. The USA-1 won the bronze medal.
Darya Domracheva of Belarus competes in the Women's 12.5 km Mass Start during day ten of the Sochi 2014 Winter Olympics at Laura Cross-country Ski & Biathlon Center on Feb.17, 2014 in Sochi, Russia.
Vladimir Luxuria, right, a former Communist lawmaker in the Italian parliament and prominent crusader for transgender rights, walks through the Olympic Plaza as visitors look on at left at the 2014 Winter Olympics, Monday, Feb. 17, 2014, in Sochi, Russia. Luxuria was soon after detained by police upon entering the Shayba Arena to attend a women's ice hockey match.
Darya Domracheva of Belarus competes in the Women's 12.5 km Mass Start during day ten of the Sochi 2014 Winter Olympics at Laura Cross-country Ski & Biathlon Center on Feb. 17, 2014 in Sochi, Russia.
Madison Chock and Evan Bates of the United States compete in the ice dance free dance figure skating finals at the Iceberg Skating Palace during the 2014 Winter Olympics, Monday, Feb. 17, 2014, in Sochi, Russia.
(L-R) Silver medalist Gabriela Soukalova of the Czech Republic, gold medalist Darya Domracheva of Belarus and Bronze medalist Tiril Eckhoff of Norway celebrate during the flower ceremony for the Women's 12.5 km Mass Start during day ten of the Sochi 2014 Winter Olympics at Laura Cross-country Ski & Biathlon Center on Feb.17, 2014 in Sochi, Russia.
US Alex Carpenter (#25) celebrates with teammates after scoring in the nets of Sweden's goalkeeper Valentina Lizana Wallner (L) during the Women's Ice Hockey Semifinals USA vs Sweden at the Shayba Arena during the Sochi Winter Olympics on Feb. 17, 2014.
Maciej Kot of Poland jumps during the Men's Team Ski Jumping first round on day 10 of the Sochi 2014 Winter Olympics at the RusSki Gorki Ski Jumping Center on Feb. 17, 2014 in Sochi, Russia.
Silver medalist David Morris of Australia celebrates after the Freestyle Skiing Men's Aerials Finals on day ten of the 2014 Winter Olympics at Rosa Khutor Extreme Park on Feb.17, 2014 in Sochi, Russia.
Italy-1 two-man bobsleigh pilot Simone Bertazzo and brakeman Simone Fontana arrive in the finish area after the Bobsleigh Two-man Heat 4 and final run at the Sliding Center Sanki during the Sochi Winter Olympics on Feb. 17, 2014.
Driver Kamo Egiazaryan records fireworks at the Sanki Sliding Center at the 2014 Winter Olympics, Monday, Feb. 17, 2014, in Krasnaya Polyana, Russia.
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