Weather Alerts For Hartsville, SC

Pollen Index: 9.8 Pollen Level: high Predominant Pollen: Oak, Hickory/Pecan and Willow. Concentration of pollen grains in the air for Saturday will be falling but will remain in the high range. The cause for the falling pollen levels is rising humidity, weak winds and expected precipitation in the evening which tends to wash pollen out of the air.