Weather Alerts For Hillsboro, OH

Pollen Index: 8.6 Pollen Level: medium-high Predominant Pollen: Ragweed, Chenopods and Nettle. Concentration of pollen grains in the air for Friday will be increasing and extend even further into the extremely high range. This higher level is caused in part by drier air. Tomorrow's increase could spell trouble for allergy sufferers.