US Braces for Potentially , Dangerous Heat Wave.<br />NBC reports that warnings have been issued in <br />cities across southern and western states ahead of <br />a dangerous heat wave expected to start on June 5.<br />Cooling centers will reportedly be opened, <br />as temperatures are forecast to rise above <br />110 degrees Fahrenheit in some areas.<br />The heat alerts and warnings are estimated <br />to impact over 29 million people in a region <br />spanning from central California to southern Texas. .<br />Due to an area of high pressure, <br />daytime highs are estimated to rise <br />10 to 25 degrees above average.<br />On June 4, the city of San Angelo in central Texas <br />hit 111 degrees, the highest temperature recorded <br />there since it reached 112 degrees last summer.<br />According to the National Weather Service, <br />California's Central Valley could reach temperatures <br />"well up into the 100s at the hottest location.".<br />According to the National Weather Service, <br />California's Central Valley could reach temperatures <br />"well up into the 100s at the hottest location.".<br />Interior desert regions, including <br />Las Vegas, are expected to see <br />temperatures exceed 110 degrees. .<br />California's Death Valley National Park <br />has been predicted to reach anywhere <br />between 118 and 121 degrees.<br />California has gone to phase 2 <br />of the state's extreme heat temperature response <br />plan, which includes opening cooling centers.<br />Extreme heat can be deadly. <br />Together, let’s do everything <br />we can to stay safe. The state <br />is taking action to protect <br />and inform communities<br />and Californians should <br />take steps now to protect <br />themselves from the heat. , Gavin Newsom, Governor of California, via 'Newsweek'