"Weather beacon white, colder weather is in site; weather beacon red, warmer weather is ahead; weather beacon green, no change in temperature foreseen; weather beacon flashing day or night, precipitation is in site." Looks like it will be cold and rainy tomorrow. The skyline of Des Moines from the south side. In addition to our prominent weather beacon, we also have the notable EMC building which shines brightly. The designers say that it is not modeled after a bottle of Absolut, but many locals beg to differ.