. >> reporter: john jenkinson is an ag specialist. his family has been in farming for generations, and he knows this year's harvest has been hard hit just by looking at it. >> this wheat should be waist high on both of us. >> reporter: that's less than half what it should be. >> and we're going to have more than less of half of a crop than we should. >> reporter: kansas is lock in a heat wave, august-like temperatures in early may. it was as high as 103 last weekend. and could it be, wichita saw snow just three weeks ago. today it's in the 90s, and the searing hit is blanketing the southern plains. wichita hit 95 today, a record kansas city 15 above normal and concordia, kansas, 98 degrees, breaking a 127-year-old record. >> what you see on this map is where we expect temperatures to be either colder or hotter than they normally would be. of course, where the drought is so bad, temperatures are going to be hot, because the atmosphere's just going to going to bake. we expect the drought to build even more so into the plains as we go th