December 7, 2017 10:50 pm Jeff's Forecast: Poor Air Quality A “Spare The Air Day” remains in effect Friday. Chief Meteorologist Jeff Ranieri tracks where the worst air quality is expected. Plus, how dry on our 7 day in your Microclimate Forecast. US & World Videos 2:35 Jeff's Forecast: Warm temps, wind soon & when rain returns 2:46 Jeff's forecast: Warm temps, wind and next rain chance timing 2:48 Forecast: Gradual warming trend 1:35 Kari's forecast: Gradual warming trend 2:59 Rob's forecast: Warmer days ahead