meteorologist greg dutra from our chicago station wls has the latest on all of it. greg, good morning. >> reporter: good morning, yeah. the combat between the warm and the cold air creating, of course, those conditions across the u.s. as a cold front sags south, take a look at this video from a firefight out in yosemite national park. that's a dc-10 dropping about 10,000 gallons of fire retardant on this fire right now at about 500 acres and has the southern entrance of yosemite closed. idaho, utah, nevada all with red flag warnings today. winds 35 miles per hour combined with really low relative humidity, 5% to 10%. that's sauna levels of dryness in the air. a mix of heat advisories and warnings, they cover parts of 14 states too as we're dealing with a scorcher across the southeast and into the west. look at these. 110s, one teens. records will be tied or possibly falling today. dallas, 106 is their record and i think they're probably going to break it this afternoon. eva, i'll send it back to you. >> greg dutra there for us, thank you. >>> the latest on the shocki