of course warmer still saturday. take a look at sky watch camera from ottawa, looking at overcast skies right now. as you satellite imagery the cloud cover going from sioux falls only to lincoln. like i said it will eventually clear out and temperatures will cool off tonight but at the same time warm up friday, 34 and sioux city right now, 37 lincoln and 42 it north platte, and our evening planners is look for the cloud cover to hang around, 26 by midnight and it will be the lower 20s on friday. we'll talk more about a warmer forecast coming up in a few minutes. >>> students at modern day school and sioux city showed off their mastery of overcomplicated machinery this afternoon. science class designed and built so-called goldberg machines where you have three simple machines to complete a simple task in the machines goals were to deliver food to officially. >> we came up with the idea