Weather Alerts For Grand Portage, MN

Pollen Index: 10.4 Pollen Level: high Predominant Pollen: Ash, Birch and Maple. Pollen concentrations for Tuesday will be falling in the moderate range. This decrease is due to rising humidity and expected precipitation in the morning, afternoon and evening which tends to wash pollen out of the air. The lower pollen levels are significant and should help allergy sufferers to cope tomorrow.