Weather Alerts For Riverside, IL

Pollen Index: 8.3 Pollen Level: medium-high Predominant Pollen: Maple, Elm and Poplar/Aspen/Cottonwood. Based on past pollen counts and expected weather conditions, pollen levels for Sunday will be falling in the moderate range. The cause for the falling pollen levels is rising humidity and expected precipitation in the morning, afternoon and evening which tends to wash pollen out of the air.