Chicago Weather December 27, 2020 5:45 pm Sunday Night Forecast NBC 5 Storm Team Meteorologist Pete Sack takes a look at your Sunday night forecast. Local 1:43 NBC 5 Storm Team forecast: 80-degree temperatures on tap 2:18 Chicago Forecast: Heating up this weekend 2:21 Chicago forecast: Foggy start turns to sunny skies 2:49 Friday morning weather 1:23 Pop-up storms possible ahead of summery warm-up this weekend