It's hot in Chicago, and climatologists are predicting the city could feel like the Deep South by the end of the century. How is the city preparing for the possibility of such a drastic change? We hear about the Chicago Climate Action Plan.

This week on Chicago Tonight: The Week in Review, with extreme temperatures blanketing Chicago and government officials ever-mindful of the 800 heat-related deaths in 1995, the city is in full emergency weather mode. Mayor Rahm Emanuel expands recycling by hiring private companies to compete against city haulers for the contract. Illinois' newest casino in Des Plaines is a big winner, but Gov. Pat Quinn is still waiting for the gaming expansion bill to be sent to his desk. And in sports, the NFL and the Players Association are close to a deal to save the football season.

How are Chicagoans dealing with this hot summer weather? Ash-har Quraishi braves the heat to gauge local reaction.

The heat wave is on and it won't let up! Why is this happening? Why is 2011 a year of major snow and sun? Eddie Arruza and our panel talk about the meteorology behind the extreme weather. More on Paul Sirvatka More on Gino Izzi Chicago Sun-Times article

The U.S. space shuttle program has come to an end with the Shuttle Atlantis returning to Earth early this morning. Eddie Arruza talks to a former Chicagoan and shuttle astronaut on what the 135 missions accomplished and what's ahead for the U.S. space program. More on Robert Satcher Follow Satcher on Twitter NASA

Eliza Fournier of the Chicago Botanic Garden joins us with advice about taming your tomatoes and tips on how to manage your garden in the heat.

We see this week's heat wave through your eyes — and cameras—when we look at YouTube videos from the past few days. YouTube

Two sailors were killed in this year's race to Mackinac. We talk about what might have gone wrong with three sailors who weathered the deadly storm on their way to Mackinac Island.

What is Google+, and will it become a serious rival to Facebook? We talk about this, Tech Week coming to Chicago, and much more.

The worst is on the way. As hot as it's been, even hotter temperatures will settle into the Chicago area tomorrow and Thursday. At times it could feel as hot as 110 degrees. Eddie Arruza reports on how the City of Chicago is preparing for what could be dangerous weather.

In tonight's Scientific Chicago, Jay Shefsky reports on the University of Chicago and Argonne National Laboratory's collaboration to create sophisticated brain modeling technology to unravel the mysteries of epilepsy.

The National Weather Service has issued a heat advisory for Cook County and the surrounding area. What's causing the extreme temperatures, how long will it last and what do storms in the forecast mean? Ash-har Quraishi has the story on how to brave the heat wave safely.

Mayor Rahm Emanuel is pitting two private garbage companies against city workers for Chicago's recycling services. Carol Marin and her panel look at this and the showdown over work rules and 625 announced layoffs to close the city's budget shortfall.

In another milestone in space exploration, for the first time, a spacecraft has gone into orbit around a massive asteroid. An Adler Planetarium astronomer tells Eddie Arruza what the spacecraft is looking for and what mysteries it might solve.

From the inside of a car on Lake Shore Drive to a nearly naked romp in the snow, we take a look back at YouTube to see how people across the region captured the blizzard from Feb. 3, 2011 on home video. More on the Story: Watch your blizzard videos

This week on Chicago Tonight: The Week in Review, Monday's violent storm leaves a mess in its 75 mph wake and hundreds of thousands without power. It was a busy week at City Hall with Mayor Rahm Emanuel cutting city agency credit cards, elected officials' security details, huge vacation payouts and announcing layoff notices to 625 of the city's union workers. Illinois' leading real estate organization admits grossly overstating prices of homes sold in Chicago, possibly going back as far as 2008.