What should I do if I hear the tornado siren?
Unless you have an emergency that requires assistance, please do not call 9-1-1 or the non-emergency number to inquire about the sirens. If you hear the sirens, then seek proper shelter and listen to your television or radio for updates. If you have any weather related questions call the National Weather Service from 8 a.m. to 8 p.m. at 815-834-1435 or visit the National Weather Service

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1. When should I call 9-1-1?
2. What should I do if I hear the tornado siren?
3. What should I do if the Lightning Prediction System sounds?