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Profile Information

Jefferson County

100 S 10th St
Mount Vernon, IL 62864

Emergency: 9-1-1

TEXT-A-TIP -  Text TIP JEFFERSONIL followed by your message, to 888777
  1. Advisory

    Entered: 2 days, 13 hours ago

    The outdoor warning sirens have been upgraded in Mt. Vernon. We will be testing them today at 10 am. More »

  2. Advisory

    Entered: 5 days, 6 hours ago

    Winter Weather Advisory until 12:00AM Wednesday More »

  3. Advisory

    Entered: 1 week, 3 days ago

    Dense Fog Advisory until 10:00AM Friday More »

  4. Alert

    Entered: 5 days, 12 hours ago

    Monthly test of the Jefferson County, Illinois Emergency Alerting & Notification System. More »

  5. Advisory

    Entered: 2 weeks ago

    Wind Advisory until 06:00AM Monday More »