Thor Guard Lightning Prediction System
Your safety is our top priority. Our parks, athletic fields, pools, golf and baseball facilities, outdoor parks and property are protected by Thor Guard from April 1 to November 1. The Thor Guard Lightning Prediction System consists of sensors within the City of Park Ridge that measure electrostatic charges at ground level and in the atmosphere. When conditions indicate that a lightning occurrence is probable, alarm horns provide an 8-12 minute warning to clear areas and seek shelter.
Thor Guard operates 6:00am to 11:00pm, 7 days a week.
The alarm horns are at Maine East High School, North Park, Northwest Park (Franklin School), Oakton Pool, Woodland Park, Ni-Ridge Park, Jefferson/Emerson School site, Hodges Park, Northeast Park (Field School), Maine Park, Carpenter School, Hinkley Park, Centennial Park (Lincoln/Washington Schools), Maine South High School, South Park (Roosevelt School), Jaycee Park, Brickton Park, and Southwest Park.
You can monitor Thor Guard's warning system located at four Park District locations right from your computer or smart phone.