Weather Alerts For Denison, TX

Pollen Index: 9.3 Pollen Level: medium-high Predominant Pollen: Ragweed, Elm and Grass. The pollen levels for Friday will be falling in the moderate range. This change results in part from rising humidity, weakening winds and expected precipitation in the morning, afternoon and evening which tends to wash pollen out of the air. This will improve your outlook if you have allergies and enjoy the out of doors.