TV Guide The Weather Channel Sunday

Storm chasers become first responders after a devastating tornado hits a town; a wind fueled blaze gets out of control at a construction site.

A college couple becomes struck on a mountain; a sailing regatta becomes a deadly affair thanks to dangerous high seas conditions.

Presented is the infamous story of the Donner party, a group of pioneers who encountered a number of setbacks on their journey to the West in the mid-1800s.

A young woman races to find help for her boyfriend, who's trapped in a freezing river; a hiker chooses a path that leads to a five-day struggle for survival.

Just a few hundred feet from a highway, a freak car accident leaves a man unable to move; a skilled Florida hunter gets lost in Alaska's punishing environment.

The science and stories of weather are laid bare in this report, plus in-depth forecasts take a detailed look at the weekend's weather.

A look at the weather around the country, along with conditions at high-profile events and how communities are rebuilding after devastating natural disasters.

Meteorologists Stephanie Abrams and Jordan Steele examine how climate change is impacting the planet, and what everyday people can do to help it.

Kevin has to work under dangerous conditions when a violent windstorm flips a tractor-trailer on a bridge; James takes on a wind-battered wreck on his own.

Two semi-trailer trucks collide on the 401 and Bear and the crew head to the scene; a load of lumber rolls onto the 401 and Nate and Andrew try to improvise.

A runaway van smashes through a wall and into the path of a full-speed truck; the crew from Herb's Towing rushes to retrieve a truckload of pharmaceuticals.

The Duz Cho Logging crew races to place a critical bridge on the block; Freya Logging moves into their summer block under the threat of a wildfire shutdown.

Logging teams tackle steep ground and climb some of the tallest trees in the British Columbian wilderness; loggers are rocked by an unexpected fall snowstorm.

Aggressive navigates their way through the snowy chaos to join Reliable Towing's Dylan on a recovery; Jamie uses his Rotator to help truckers stuck in the snow.

Jamie's the first responder to a pileup while on his way to another crash; Quiring works with BC Highway Patrol to clear a multi-vehicle crash on Highway 1.

MSA debuts their brand new 35-ton up on the Coq to take on their first double heavy job with their own trucks; Jaydan struggles to pull out a severe jackknife.

While one man navigates unpredictable weather to keep family tradition alive, a captain races a winter storm in order to save his stranded son.

When Gail's hot streak becomes noticeable, she paints a target on her back; Captain Greg risks hauling at night; Lex's issues are stacking up.

A river of mud and rock threatens a valley; icy patterns may actually be morphing creatures; a jellyfish-shaped cloud might be a sign of dangerous weather.

A look at the threat posed by flammable snow; a twisting black smoke moves as if it has a mind of its own; a giant red dome defies the laws of physics.

A ship is found abandoned but undamaged in the middle of the ocean; a mysterious glowing orb chases locals down a railway track in Arkansas.

A trio escaped from Alcatraz prison with no traces of their survival; a US representative's plane vanishes in Alaska with the mafia believed to be involved.

A strange explosion and tower of fire in oil fields is not what it seems; the world's last mammoths are killed; a US nuclear sub goes missing.

A ship blocks an important trade route; a mountaineer is hunted by a Scottish animal; allied pilots over Nazi Germany are confronted by strange lights.