A cold front moving through the Las Vegas Valley early Monday, June 29, 2020, will drop the wind velocity to about a high of 25 mph while also dropping the temperatures to a forecast high of 89, according to the National Weather Service. An American flag blows in the wind as the Mahogany Fire burns in the background at Mount Charleston on Sunday, June 28, 2020. (Ellen Schmidt/Las Vegas Review-Journal) @ellenkschmidt_