Weather Alerts For North Sioux City, SD

Pollen Index: 8.2 Pollen Level: medium-high Predominant Pollen: Elm, Poplar/Aspen/Cottonwood and Maple. Based on past pollen counts and expected weather conditions, pollen levels for Friday will be increasing over today's levels and extend further into the very high range. This increase is due to strong winds and decreasing humidity. These overall conditions could make it a bit more difficult for those who are allergic to airborne pollens.