Update

Jose Juarez Sr., looks down into a water chiller after replacing a fan motor at Wolfe's Cleaners Tuesday, Aug. 16, 2011, in Houston. "The fan went out after it got hot due to the extreme heat," co-owner Jose Juarez, Jr., said. (Cody Duty / Houston Chronicle )



Aneshia Lane waits for the bus at the intersection of Canal and Delano Streets Friday, Aug. 12, 2011, in Houston. Lane carries an umbrella to shade herself from the sun. "Oh it's hot," she said. The forecast calls for a high of 100 into the weekend. (Cody Duty / Houston Chronicle )



Pancho Vega wipes sweat from his face Tuesday, Aug. 16, 2011, in Houston. Vega, works for TJR Construction, as they work to finish a house on Studewood Street. "We are having to take twice as many breaks because of the heat," owner Roman Marin Jr. said. "Normally we take an hour and a half. We are taking up to three hours. The heat is slowing us down." (Cody Duty / Houston Chronicle )



Alice Vara holds a photo of her late husband and Army WWII veteran Rudy Vara, while she stands in front of a wall honoring World War II veterans at Veterans Memorial Park Sunday, Aug. 14, 2011, in Houston. Veterans of all military branches were honored during the "Absolute Victory Unveiling" ceremony that showcased a wall dedicated to WWII veterans with scenes of the war painted on small tiles. (Cody Duty / Houston Chronicle )



Guadalupe Gonzalez holds an umbrella for her husband Elias Gonzalez while they fix a headlight outside an Autozone store on Tidwell Street Sunday, Aug. 14, 2011, in Houston. Guadalupe recently purchased the umbrella because of the heat. "It's too hot," she said.(Cody Duty / Houston Chronicle )



Shane Boucher enjoys the mist while standing in front of the Williams Water Wall Saturday, Aug. 13, 2011, in Houston. The forecast calls for temperatures into the 100s Sunday and Monday with a 30 percent chance of rain Monday. (Cody Duty / Houston Chronicle )



Jasmine Robins walks with Assistant Principal Shelia Williams as they catch up about the summer on the first day of school at Jones High School Monday, Aug. 15, 2011, in Houston. "It's great to see all the kids back," Williams said. (Cody Duty / Houston Chronicle )