(Škoda, že ráno) nám to (tu pošlape babka s novinami)
Gramatika: to - particle, emphasizing the situation (that the snow will be spoiled); nám -- a dative indicating that this situation affects "us" adversely because we won't be able to see the beautiful snow any more; "to" and "nám", together with škoda, že... emphasize the speaker's regret over the spoiled snow.