U.S. Chicago braces for heat wave

CHICAGO, June 14 (Xinhua) -- The Chicago metropolitan area is bracing for a heat wave, as the U.S. National Weather Service issued a heat advisory for the area on Monday.

Just after 3 p.m. Tuesday local time, the temperature at Midway reached 37.8 degrees Celsius for the first time since July 2012. At noon, O'Hare had a temperature of 34 degrees Celsius, with a 39-degree-Celsius heat index, Chicago Tribune quoted tweets of the weather service.