Red means hot.
July 21, 2011 Watch a visualization of how the oppressive temperatures have tracked. So far, at least 22 deaths have been blamed on the heat.
Miniimah Rashid, 13, let the water from one of the fountains at the Windsor Village Spray Park in Indianapolis run over her face as temperatures rose Tuesday (July 19, 2011).
July 20, 2011 The mid-Atlantic and much of the East are starting to sweat as the temperature soars. Experts warn that conditions will be dangerous. Already, more than a dozen deaths have been attributed to the high temperatures.
As Florida temperatures hover in the 90's, boys use a swing rope to cool off in the Suwannee River near Chiefland, Fla.
July 14, 2011 America's South, Midwest and Southwest are suffering through drought and high heat. The AP reports, "temperatures remained in the 100s with heat indexes reaching above 110 degrees. Overnight lows have not dropped below 80 degrees in many cities."
The 6- to 10-day outlook.
National Weather Service's Climate Prediction Center
June 10, 2011 The brutal heat wave should break in most parts of the country over the weekend. Still, the 10-day outlook is for temperatures above normal across much of the nation.
February 9, 2011 Across the nation, cities that have been suffering through frigid days should get some relief this weekend.
See all that purple and blue? That's where it's going to get really, really cold tonight.
National Weather Service
February 8, 2011 The coldest weather so far this winter is going to spread across most of the continental U.S. There won't be as much snow as during last week's blizzard, though.
Abandoned cars lined Chicago's Lake Shore Drive on Wednesday.
Scott Olson/Getty Images
February 3, 2011 There's no need to exaggerate when it comes to describing how awful the snow/ice/sleet/wind storm that spread from Oklahoma to Maine this week was for those in its path.
January 27, 2011 The nation's capital spent Thursday digging out of a snowstorm that even grounded Obama. The federal government was open if delayed and many events were cancelled.
January 27, 2011 Already tired of winter, many in the region wake up today to a foot or more of very heavy snow.
Winter weather often affects people's moods. Researchers now say most people fall into one of four categories.
January 3, 2011 Researchers in Germany have clarified the link between weather and peoples' moods. The survey of more than 2,000 Germans found that some people aren't affected at all by weather, but most people fall into one of four categories.
National Weather Service radar image, from 7:41 a.m. ET on Dec. 29, of storms moving over Los Angeles.
December 29, 2010 More storms are lashing Los Angeles today. But the good news is that lots of snow in the mountains should help drought-plagued California in the spring.
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Time-lapse photography of the Dec. 26-27 blizzard in New Jersey.
December 27, 2010 Want to really see how the snow piled up? This time-lapse video from a New Jersey backyard is 40 seconds of fun.
Snow falls in the early morning hours in Manhattan's East Village today (Dec. 27, 2010).
Mario Tama/Getty Images
December 27, 2010 "The storm's timing was diabolical," says The New York Times. The snow didn't fall on the East Coast in time for Christmas, but did manage to ruin things for many folks.
Sunday in Minneapolis, Larry Myer was out shoveling.
Tom Dahlin/Getty Images
December 13, 2010 After dumping huge amounts of snow across much of the midwest, frigid winter weather moves east and south.
Last week in Buffalo, Lilly (L) and Tara Shweikhard dug out after one blizzard. More rough weather's headed to their part of the nation this weekend.
John Normile/Getty Images
December 10, 2010 We're still more than a week away from the Dec. 21 official start of winter, but don't tell that to folks around the Great Lakes and parts of the Northeast, where snow's been piling up and this weekend looks to be pretty rough.
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